Publication List Prof. Dr. Norbert Trautmann (Aug. 2012)

R. Denig, N. Trautmann, G. Herrmann Schnelle Extraktion durch quasi-feste Extraktionsmittel Z. Analyt. Chem. 216, 41 (1966)

N. Trautmann, R. Denig, N. Kaffrell, G. Herrmann Heavy Isotopes of Protactinium Z. Naturforsch. 23a, 2127 (1968)

N. Trautmann, R. Denig, G. Herrmann Wirkungsquerschnitte der (n,p)-, (n,pn)- und (n,α)-Reaktionen am Uran-238 mit 15-MeV- Neutronen und Nachweis des Thoriums-235 Radiochim. Acta 11, 168 (1969)

R. Denig, N. Trautmann, G. Herrmann Trennung von Spaltprodukten durch Extraktionschromatographie I. Bestimmung der Verteilungskoeffizienten J. Radioanal. Chem. 5, 223 (1970)

R. Denig, N. Trautmann, G. Herrmann Trennung von Spaltprodukten durch Extraktionschromatographie II. Trennung von Mutter-Tochter-Paaren J. Radioanal. Chem. 6, 57 (1970)

R. Denig, N. Trautmann, G. Herrmann Trennung von Spaltprodukten durch Extraktionschromatographie III. Auftrennung eines Spaltproduktgemisches J. Radioanal. Chem. 6, 331 (1970)

G. Herrmann, N. Kaffrell, N. Trautmann, R. Denig, W. Herzog, D. Hübscher, K.-L. Kratz Some Studies on Neutron-Rich Nuclei CERN 70-30, 2, 985 (1970) International Conference on the Properties of Nuclei far from the Region of Beta-Stability, Leysin, Sept. 1970

M. Weber, N. Trautmann, G. Herrmann Volatilization of Fission Products from Solid Uranium Tetrafluoride Radiochem. Radioanal. Lett. 6, 73 (1971)

R. Denig, N. Trautmann, N. Kaffrell, G. Herrmann Heavy Isotopes of Protactinium: Formation, Isolation, Mass Assignment and Cross Sections BMBW-FB K 71-17, 2-1 (1971) Tagungsbericht der 3. Internationalen Protaktiniumkonferenz, Schloβ Elmau bei Mittenwald, April 1969

N. Trautmann, N. Kaffrell, R. Denig, G. Herrmann Schwere Isotope des Protactiniums: Zerfall des 9.1 min 236Pa und 8.7 min 237Pa BMBW-FB K 71-17, 3-1 (1971) Tagungsbericht der 3. Internationalen Protaktiniumkonferenz, Schloβ Elmau bei Mittenwald, April 1969

N. Kaffrell, N. Trautmann, R. Denig, G. Herrmann Schwere Isotope des Protactiniums: Zerfall des 24 min 235Pa und 2.3 min 238Pa BMBW-FB K 71-17, 4-1 (1971) Tagungsbericht der 3. Internationalen Protaktiniumkonferenz, Schloβ Elmau bei Mittenwald, April 1969

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T. Sikkeland, N.H. Shafrir, N. Trautmann Evidence for Fission Effects in Incomplete Fusion Reactions Phys. Lett. 42B, 201 (1972)

N. Kaffrell, R. Denig, G. Herrmann, N. Trautmann Study of Complex Decay Schemes by γ-γ Coincidence Measurements Using a 16 K Memory System Proc. Intern. Conference on Radioactivity in Nuclear Spectroscopy, Nashville, Aug. 1969 (Gordon and Breach, New York 1972), S.395

M. Weber, N. Trautmann, H. Menke, G. Herrmann, N. Kaffrell Rapid Release of Volatile Fission Products from Solid Uranium Tetrafluoride Inorg. Nucl. Chem. Lett. 9, 519 (1973)

N. Kaffrell, N. Trautmann Identification of Thorium-236 Z. Naturforsch. 28a, 541 (1973)

N. Trautmann, N. Kaffrell, H.W. Behlich, H. Folger, G. Herrmann, D. Hübscher, H. Ahrens Identification of Short-Lived Isotopes of Zirconium, Niobium, Molybdenum, and Technetium in Fission by Rapid Solvent Extraction Techniques Radiochim. Acta 18, 86 (1972)

K. Chayawattanangkur, G. Herrmann, N. Trautmann Heavy Isotopes of Actinium: 229Ac, 230Ac, 231Ac and 232Ac J. Inorg. Nucl. Chem. 35, 3061 (1973)

N. Kaffrell, N. Trautmann, G. Herrmann, H. Ahrens Levels in the Transitional Nuclei 106Ru and 108Ru Phys. Rev. C8, 320 (1973)

M. Weber, N. Trautmann, H. Menke, G. Herrmann, N. Kaffrell Verflüchtigung von Spaltprodukten aus festem Uran(IV)-fluorid und anderen Fluoriden Radiochim. Acta 19, 106 (1973)

N. Kaffrell, N. Trautmann, G. Herrmann, H. Ahrens Some Studies on Short-Lived Fission Products in the Mass Region A = 98-108 Proc. 5th Summer School on Nuclear Physics, Rudziska, Poland, Vol. 2, 307 (1973)

N. Kaffrell, N. Trautmann, R. Denig The Decay of 8.7 min 237Pa Z. Phys. 266, 21 (1974)

K. Sümmerer, N. Kaffrell, N. Trautmann The Decay of 105Tc to Levels in 105Ru Z. Phys. A273, 77 (1975)

G. Klein, N. Kaffrell, N. Trautmann, G. Herrmann Identification of 96Y in Fission by a Rapid Chemical Separation Procedure Inorg. Nucl. Chem. Lett. 11, 511 (1975)

H. Menke, N. Trautmann, W.-J. Krebs Zur Bestrahlung mit Reaktorimpulsen Kerntechnik 17, 281 (1975)

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N. Trautmann, P.O. Aronsson, T. Björnstad, N. Kaffrell, E. Kvåle, M. Skarestad, G. Skarnemark, E. Stender The Combination of the Gas Jet Recoil Technique with the Fast Chemical On-Line Separation System SISAK Inorg. Nucl. Chem Lett. 11, 729 (1975)

N. Trautmann, N. Kaffrell, H. Ahrens, P.F. Dittner Identification of 109Tc and 110Tc in Fission of 249Cf Phys. Rev. C13, 872 (1976)

W. Herzog, N. Trautmann, R. Denig, G. Herrmann The Decay of 31 sec 98Zr, 2.9 sec 98Nb and 51 min 98Nb Z. Phys. A276, 393 (1976)

W. Brüchle, G. Tittel, N. Trautmann, M. Zendel A Proposed Group Separation Procedure for Superheavy Elements by Using Di-ethyl- dithiophosphoric Acid Proc. 4th Int. Transplutonium Element Sympos., Baden-Baden, Sept. 1975, p.29

H. Ahrens, N. Kaffrell, N. Trautmann, G. Herrmann Decay Properties of Neutron-Rich Niobium Isotopes Phys. Rev. C14, 211 (1976)

N. Trautmann, G. Herrmann Rapid Chemical Separation Procedures J. Radioanal. Chem 32, 533 (1976)

N. Trautmann Rapid Chemical Separations CERN 76-13, 30 (1976) 3rd International Conference on Nuclei far from Stability, Cargese, Corsica, May 1976

N. Kaffrell, G. Franz, G. Klein, K. Sümmerer, G. Tittel, N. Trautmann, G. Herrmann, H. Ahrens Decay Properties of Neutron-Rich Nuclei in the Mass Region A ≈ 100 CERN 76-13, 483 (1976) 3rd International Conference on Nuclei far from Stability, Cargese, Corsica, May 1976

W. Kurcewicz, N. Kaffrell, N. Trautmann, A. Plochocki, J. Zylicz, K. Stryczniewicz, I. Yutlandov Collective States Fed by Weak α-Transitions in the 230U Chain Nucl. Phys. A270, 175 (1976)

G. Skarnemark, E. Stender, N. Trautmann, P.O. Aronsson, T. Björnstad, N. Kaffrell, E. Kvåle, M. Skarestad Decay Properties of Some Neutron-Rich Praseodymium Isotopes Radiochim. Acta 23, 98 (1976)

T. Björnstad, E. Kvåle, G. Skarnemark, P.O. Aronsson, N. Kaffrell, N. Trautmann, E. Stender Decay Properties of 143La J. Inorg. Nucl. Chem. 39, 1107 (1977)

G. Skarnemark, P.O. Aronsson, T. Björnstad, E. Kvåle, N. Kaffrell, E. Stender, N. Trautmann Decay Properties of 144-146La J. Inorg. Nucl. Chem. 39, 1487 (1977)

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W. Kurcewicz, N. Kaffrell, N. Trautmann, A. Plochocki, J. Zylicz, M. Matul, K. Stryczniewicz Collective States Fed by Weak α-Transitions in the 232U Chain Nucl. Phys. A289, 1 (1977)

W. Kurcewicz, E. Ruchowska, N. Kaffrell, N. Trautmann Precise Energies of Gamma Rays from the 230 Th and 228Th Decay Nucl. Instr. Meth. 146, 613 (1977)

G. Tittel, N. Kaffrell, N. Trautmann, G. Herrmann Direct Identification of 103-107Mo by a Rapid Chemical Separation Procedure J. Inorg. Nucl. Chem. 39, 2115 (1977)

R.J. Silva, N. Trautmann, M. Zendel, P.F. Dittner, E. Stender, H. Ahrens A Gas-Jet Recoil-Transport System for Fission Products and its Application to a Continuous Chemical Separation Procedure in the Gas Phase Nucl. Instr. Meth. 147, 371 (1977)

M. Schädel, N. Trautmann, G. Herrmann Fast Separation of Lanthanides by High Pressure Liquid Chromatography Radiochim. Acta 24, 27 (1977)

H. Gäggeler, W. Brüchle, H. Ahrens, H. Folger, G. Franz, J.V. Kratz, M. Schädel, I. Warnecke, G. Wirth, N. Trautmann, G. Herrmann, N. Kaffrell, P. Peuser, G. Tittel, M. Weber, M. Zendel Search for Long-Lived Superheavy Elements in the Reaction of 136Xe with 238U Z. Phys. A286, 419 (1978)

M. Zendel, E. Stender, N. Trautmann, G. Herrmann Chemical Reactions in a Gas-Jet Recoil-Transport System: Continuous Separation Procedure for Selenium and Tellurium from Fission Products Nucl. Instr. Meth. 153, 149 (1978)

M. Schädel, J.V. Kratz, H. Ahrens, W. Brüchle, G. Franz, H. Gäggeler, I. Warnecke, G. Wirth, G. Herrmann, N. Trautmann, M. Weis Isotope Distributions in the Reaction of 238U with 238U Phys. Rev. Lett. 41, 469 (1978)

K. Sümmerer, N. Kaffrell, H. Otto, P. Peuser, N. Trautmann Levels in 104Ru Populated by the β--Decay of 104Tc Z. Phys. A287, 287 (1978)

W. Kurcewicz, E. Ruchowska, J. Zylicz, N. Kaffrell, N. Trautmann Search for the Kπ = 0+ Excited States in 226Ra Fed in the α-Decay of 230Th Nucl. Phys. A304, 77 (1978)

K. Sümmerer, N. Kaffrell, N. Trautmann Angular Correlations of γ-Ray Transitions in 104Ru Nucl. Phys. A308, 1 (1978)

M. Schädel, W. Brüchle, B. Haefner, J.V. Kratz, W. Schorstein, N. Trautmann, G. Herrmann Chemical Separations of Actinide Elements from Heavy-Ion Irradiated Uranium Targets Radiochim. Acta 25, 111 (1978)

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J.V. Kratz, H. Ahrens, W. Brüchle, H. Gäggeler, M. Schädel, I. Warnecke, G. Wirth, G. Herrmann, N. Trautmann, M. Weis Evidence for Strong Correlations between Proton and Neutron-Exchanges in Damped Collisions of 129,132,136Xe + Au and 238U + 238U South African J. Physics 1, 154 (1978)

J. Stachel, N. Kaffrell, E. Stender, K. Sümmerer, N. Trautmann, K. Brodèn, G. Skarnemark, T. Björnstad, I. Haldorsen The Decay of 107Tc to Levels in 107Ru Radiochim. Acta 26, 127 (1979)

E. Stender, N. Trautmann, G. Herrmann Use of Alkali Halide Clusters in a Gas-Jet Recoil-Transport System Radiochem. Radioanal. Lett. 42, 291 (1980)

P. De Gelder, D. De Frenne, E. Jacobs, H. Thierens, A. de Clercq, P. D'Hondt, K. Heyde, A.J. Deruytter, G. Tittel, N. Kaffrell, N. Trautmann, F. Schussler The β--Decay of 102Mo Nucl. Phys. A337, 285 (1980)

K. Sümmerer, N. Kaffrell, E. Stender, N. Trautmann, K. Brodèn, G. Skarnemark, T. Björnstad, I. Haldorsen, J.A. Maruhn Levels in 106Ru and 108Ru Nucl. Phys. A339, 74 (1980)

G. Skarnemark, P.O. Aronsson, K. Brodèn, J. Rydberg, T. Björnstad, N. Kaffrell, E. Stender, N. Trautmann An Improved System for Fast, Continuous Chemical Separations ("SISAK 2") in Nuclear Spectroscopic Studies Nucl. Instr. Meth. 171, 323 (1980)

N. Kaffrell, E. Stender, K. Sümmerer, N. Trautmann, K. Brodèn, G. Skarnemark, T. Björnstad, I. Haldorsen, J.A. Maruhn Levels in 104,106,108Ru Proc. Workshop on Nuclear Spectroscopy of Fission Products, Inst. Physics Conf. Ser. 51, 265 (1980)

A.K. Mazumdar, H. Wagner, G. Krömer, W. Walcher, M. Brügger, E. Stender, N. Trautmann, T. Lund The On-Line Isotope Separation Facility HELIOS at the Mainz Reactor Nucl. Instr. Meth. 174, 183 (1980)

U. Hickmann, N. Greulich, N. Trautmann, H. Gäggeler, H. Gäggeler-Koch, B. Eichler, G. Herrmann Rapid Continuous Radiochemical Separations by Thermochromatography in Connection with a Gas-Jet Recoil-Transport System Nucl. Instr. Meth. 174, 507 (1980)

M. Zendel, N. Trautmann, G. Herrmann Decay of 85-88Se to Levels in 85-88Br J. Inorg. Nucl. Chem. 42, 1387 (1980)

H. Gäggeler, N. Trautmann, W. Brüchle, G. Herrmann, J.V. Kratz, P. Peuser, M. Schädel, G. Tittel, G. Wirth, H. Ahrens, H. Folger, G. Franz, K. Sümmerer, M. Zendel Search for Superheavy Elements in the 238U + 238U Reaction Phys. Rev. Lett. 45, 1824 (1980)

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H. Ower, Th.W. Elze, J. Idzko, K. Stelzer, H. Emling, P. Fuchs, E. Grosse, D. Schwalm, H.J. Wollersheim, N. Kaffrell, N. Trautmann High Spin States of 232Th, 234U and 236U J. Phys. 41, C 10-102 (1980)

R.B. Piercey, J.H. Hamilton, A.V. Ramayya, H. Emling, P. Fuchs, E. Grosse, D. Schwalm, H.J. Wollersheim, N. Trautmann, A. Faessler, M. Ploszajczak Anomalous Behavior of High-Spin States in 248Cm Phys. Rev. Lett. 46, 415 (1981)

K. Brodèn, G. Skarnemark, T. Björnstad, D. Eriksen, I. Haldorsen, N. Kaffrell, E. Stender, N. Trautmann Rapid Continuous Separation Procedures for Zirconium, Niobium, Technetium, Bromine and Iodine from Complex Reaction Product Mixtures J. Inorg. Nucl. Chem. 43, 765 (1981)

E.K. Hulet, R.W. Lougheed, J.M. Nitschke, R.L. Hahn, R.L. Ferguson, W. Brüchle, H. Gäggeler, J.V. Kratz, M. Schädel, G. Wirth, G. Herrmann, G. Tittel, N. Trautmann Recent Searches for Superheavy Elements in Deep-Inelastic Reactions Pure and Appl. Chem. 53, 965 (1981)

A.K. Mazumdar, H. Wagner, W. Walcher, M. Brügger, N. Trautmann Performance of the On-line Isotope Separation Facility HELIOS at the Mainz Reactor Nucl. Instr. Meth. 186, 131 (1981)

J. Stachel, N. Kaffrell, N. Trautmann, H. Emling, H. Folger, E. Grosse, R. Kulessa, D. Schwalm, K. Brodèn, G. Skarnemark, D. Eriksen Phase Transition in Nuclear Shape in the A ≈ 100 Region? CERN 81-09, 436 (1981) 4th International Conference on Nuclei far from Stability, Helsingor 1981

N. Trautmann, N. Greulich, U. Hickmann, N. Kaffrell, E. Stender, M. Zendel, H. Gäggeler, K. Brodèn, G. Skarnemark, D. Eriksen Rapid Continuous Chemical Methods for Studies of Nuclei far from Stability CERN 81-09, 727 (1981) 4th International Conference on Nuclei far from Stability, Helsingor 1981

H. Gäggeler, M. Schädel, W. Brüchle, J.V. Kratz, K. Sümmerer, G. Wirth, N. Trautmann, P. Peuser, G. Tittel, R. Stakemann, G. Herrmann, E.K. Hulet, R.W. Lougheed, J.M. Nitschke, R.L. Hahn, R.L. Ferguson Heavy Actinide Production in the Reactions of 238U + 238U and 238U + 248Cm CERN 81-09, 763 (1981) 4th International Conference on Nuclei far from Stability, Helsingor 1981

M. Zendel, N. Trautmann, G. Herrmann Chemical Reactions in a Gas-Jet Recoil-Transport System (II): Continuous Separation Procedure for Germanium and Arsenic from Fission Products Radiochim. Acta 29, 17 (1981)

P. Peuser, H. Gabelmann, M. Lerch, B. Sohnius, N. Trautmann, M. Weber, G. Herrmann, H.O. Denschlag, W. Ruster, J. Bonn Detection Methods for Trace Amounts of Plutonium Proc. Int. Sympos. on Methods of Low-Level Counting and Spectrometry, Berlin, IAEA-SM- 252/40, S.257 (1981)

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H. Bokemeyer, K. Bethge, H. Folger, J.S. Greenberg, H. Grein, A. Gruppe, S. Ito, R. Schule, D. Schwalm, J. Schweppe, N. Trautmann, P. Vincent, M. Waldschmidt Search for Spontaneous Positron Production in Heavy-Ion Collisions Proc. International Advanced Course on Quantum Electrodynamics of Strong Fields, June 1981, Lahnstein/Rhein, Germany

G. Herrmann, N. Trautmann Rapid Chemical Methods for Identification and Study of Short-Lived Nuclides Ann. Rev. Nucl. Part. Sci. 32, 117 (1982)

M. Schädel, W. Brüchle, H. Gäggeler, J.V. Kratz, K. Sümmerer, G. Wirth, G. Herrmann, R. Stakemann, G. Tittel, N. Trautmann, J.M. Nitschke, E.K. Hulet, R.W. Lougheed, R.L. Hahn, R.L. Ferguson Actinide Production in Collisions of 238U with 248Cm Phys. Rev. Lett. 48, 852 (1982)

R. Stakemann, R. Heimann, G. Herrmann, G. Tittel, N. Trautmann Search for Superheavy Elements in Monazites Using Chemical Enrichment Nature 297, 136 (1982)

N. Trautmann Status of Superheavy Element Research In "Actinides in Perspective" ed. N.M. Edelstein, p. 267, Pergamon Press, Oxford and New York, 1982

H. Ower, Th.W. Elze, J. Idzko, K. Stelzer, E. Grosse, H. Emling, P. Fuchs, D. Schwalm, H.J. Wollersheim, N. Kaffrell, N. Trautmann Structure of High-Spin States in 232Th, 234U and 236U Nucl. Phys. A388, 421 (1982)

W. Ruster, J. Bonn, P. Peuser, N. Trautmann Sensitive Laser Spectroscopy on Trapped Barium Ions by Quenching with Hydrogen Appl. Phys. B30, 83 (1983)

I. Zychor, K. Rykaczewski, H. Ahrens, H. Folger, W. Kurcewicz, K. Sümmerer, N. Kaffrell, N. Trautmann Hafnium and Lutetium Isomers Produced in Heavy-Ion Collisions of 7.6 MeV/u 40Ar, 8.5 MeV/u 84Kr and 8.5 MeV/u 136Xe on natW Targets Radiochim. Acta 33, 1 (1983)

H. Backe, P. Senger, W. Bonin, E. Kankeleit, M. Krämer, R. Krieg, V. Metag, N. Trautmann, J.B. Wilhelmy Estimates of the Nuclear Time Delay in Dissipative U+U and U+Cm Collisions Derived from the Shape of Positron and δ-Ray Spectra Phys. Rev. Lett. 50, 1838 (1983)

D. Frekers, W. Henning, W. Kutschera, K.E. Rehm, R.K. Smither, J.L. Yntema, R. Santo, B. Stievano, N. Trautmann Half-Life of 44Ti Phys. Rev. C28, 1756 (1983)

W. Spreng, F. Azgui, H. Emling, E. Grosse, R. Kulessa, Ch. Michel, D. Schwalm, R.S. Simon, H.J. Wollersheim, M. Mutterer, J.P. Theobald, M.S. Moore, N. Trautmann, J.L. Egido, P. Ring First Observation of Backbending in an Actinide Nucleus Phys. Rev. Lett. 51, 1522 (1983)

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G. Skarnemark, K. Brodèn, Mao Yun, N. Kaffrell, N. Trautmann Rapid Continuous Separation Procedures for Arsenic and Ruthenium from Complex Reaction Product Mixtures Radiochim. Acta 33, 97 (1983)

J. Schweppe, A. Gruppe, K. Bethge, H. Bokemeyer, T. Cowan, H. Folger, J.S. Greenberg, H. Grein, S. Ito, R. Schule, D. Schwalm, K.E. Stiebing, N. Trautmann, P. Vincent, M. Waldschmidt Observation of a Peak Structure in Positron Spectra from U + Cm Collisions Phys. Rev. Lett. 51, 2261 (1983)

G. Barbiellini, A. Breskin, M. Cervenka, R. Chechik, G. Herrmann, T. Johansson, S. Polikanov, N. Trautmann On Anomalous Fission as a Signature for Heavy Relic Particles from the Big Bang CERN EP Report 83-09 (1983)

K. Shizuma, H. Ahrens, J.P. Bocquet, N. Kaffrell, B.D. Kern, H. Lawin, R.A. Meyer, K. Sistemich, G. Tittel, N. Trautmann Odd Neutron Nuclei Near A=100: Rotational Bands in 103Mo and 105Mo Populated in the β-- Decays of 103Nb and 105Nb Z. Phys. A315, 65 (1984)

T. Seo, A.-M. Schmitt, H. Ahrens, J.P. Bocquet, N. Kaffrell, H. Lawin, G. Lhersonneau, R.A. Meyer, K Shizuma, K. Sistemich, G. Tittel, N. Trautmann Evidence for Rotational Bands in 103Nb Z. Phys. A315, 251 (1984)

I. Zychor, K. Rykaczewski, W. Kurcewicz, H. Ahrens, H. Folger, N. Kaffrell, N. Trautmann Hafnium and Lutetium Isotopes Produced in Heavy-Ion Collisions of 7.6 MeV/u 40Ar, 8.5 MeV/u 84Kr and 8.5 MeV/u 136Xe on Tungsten Targets Nucl. Phys. A414, 301 (1984)

J. Stachel, N. Kaffrell, N. Trautmann, K. Brodèn, G. Skarnemark, D. Eriksen The Collective Structure of 106,108Ru Z. Phys. A316, 105 (1984)

J. Gerl, Th.W. Elze, H. Ower, H. Bohn, T. Faestermann, N. Kaffrell, N. Trautmann Electromagnetic Properties of 230Th Studied by Coulomb Excitation Phys. Rev. C29, 1684 (1984)

P. Armbruster, Y.K. Agarwal, W. Brüchle, M. Brügger, J.P. Dufour, H. Gäggeler, F.P. Hessberger, S. Hofmann, P. Lemmertz, G. Münzenberg, K. Poppensieker, W. Reisdorf, M. Schädel, K.-H. Schmidt, J.H.R. Schneider, W.F.W. Schneider, K. Sümmerer, D. Vermeulen, G. Wirth, A. Ghiorso, K.E. Gregorich, D. Lee, M. Leino, K.J. Moody, G.T. Seaborg, R.B. Welch, P. Wilmarth, S. Yashita, C. Frink, N. Greulich, G. Herrmann, U. Hickmann, N. Hildebrand, J.V. Kratz, N. Trautmann, M.M. Fowler, D.C. Hoffman, W.R. Daniels, H.R. von Gunten, H. Dornhöfer Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5 - 5.2 MeV/u Phys. Rev. Lett. 54, 406 (1985)

F.-J. Reischmann, N. Trautmann, G. Herrmann Chemistry at Low Concentrations: Polonium at a Level of 108 to 105 Atoms Radiochim. Acta 36, 139 (1984)

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M. Brügger, N. Hildebrand, T. Karlewski, N. Trautmann, A.K. Mazumdar, G. Herrmann Operation of a High Temperature Ion Source at the Helium-Jet On-Line Isotope Separator Facility HELIOS Nucl. Instr. Meth. A234, 218 (1985)

T. Cowan, H. Backe, M. Begemann, K. Bethge, H. Bokemeyer, H. Folger, J.S. Greenberg, H. Grein, A. Gruppe, Y. Kido, M. Klüver, D. Schwalm, J. Schweppe, K.E. Stiebing, N. Trautmann, P. Vincent Anomalous Positron Peaks from Supercritical Collision Systems Phys. Rev. Lett. 54, 1761 (1985)

D.C. Hoffman, M.M. Fowler, W.R. Daniels, H.R. von Gunten, D. Lee, K.J. Moody, K. Gregorich, R. Welch, G.T. Seaborg, W. Brüchle, M. Brügger, H. Gäggeler, M. Schädel, K. Sümmerer, G. Wirth, Th. Blaich, G. Herrmann, N. Hildebrand, J.V. Kratz, M. Lerch, N. Trautmann Excitation Functions for Production of Heavy Actinides from Interactions of 40Ca and 48Ca Ions with 248Cm Phys. Rev. C31, 1763 (1985)

U. Krönert, J. Bonn, H.-J. Kluge, W. Ruster, K. Wallmeroth, P. Peuser, N. Trautmann Laser Resonant Ionization of Plutonium Appl. Phys. B38, 65 (1985)

T. Karlewski, N. Hildebrand, G. Herrmann, N. Kaffrell, N. Trautmann, M. Brügger Decay of the Heaviest Isotope of Neodymium: 154Nd Z. Phys. A322, 177 (1985)

P. Peuser, U. Tharun, H.J. Keim, N. Trautmann, G. Herrmann, G. Wirth A Low Background Detection System for Fragments and Neutrons from Spontaneous Fission Sources Nucl. Instr. Meth. A239, 529 (1985)

A. Baas-May, J.V. Kratz, N. Trautmann Absence of Delayed Fission in the β--Decay of 2.3 min 238Pa Z. Phys. A322, 457 (1985)

P. Peuser, G. Herrmann, H. Rimke, P. Sattelberger, N. Trautmann, W. Ruster, F. Ames, J. Bonn, H.-J. Kluge, U. Krönert, E.-W. Otten Trace Detection of Plutonium by Three-Step Photoionization with a Laser System Pumped by a Copper Vapor Laser Appl. Phys. B38, 249 (1985)

J.V. Kratz, W. Brüchle, H. Folger, H. Gäggeler, M. Schädel, K. Sümmerer, G. Wirth, N. Greulich, G. Herrmann, U. Hickmann, P. Peuser, N. Trautmann, E.K. Hulet, R.W. Lougheed, J.M. Nitschke, R.L. Ferguson, R.L. Hahn Search for Superheavy Elements in Damped Collisions between 238U and 248Cm Phys. Rev. C33, 504 (1986)

Mao Yun, N. Trautmann, G. Skarnemark Study on Rapid Separation of Ruthenium from Fission Product Mixtures Chinese Journal of Nucl. Science and Engineering 5, 324 (1985)

N. Greulich, U. Hickmann, N. Trautmann, G. Herrmann Fast Preparation and Gas-Chromatographic Separation of Lanthanide and Actinide Hexafluoroacetylacetonates Fresenius Z. Anal. Chem. 323, 839 (1986)

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J.V. Kratz, N. Trautmann, G. Herrmann Rapid Continuous Chemical Separations. In: Nuclei Off the Line of Stability (R.A. Meyer, D.S. Brenner, eds.), p.482. Amer. Chem. Soc. Washington 1986

W. Brüchle, Y.K. Agarwal, P. Armbruster, M. Brügger, J.P. Dufour, H. Gäggeler, F.P. Hessberger, S. Hofmann, P. Lemmertz, G. Münzenberg, K. Poppensieker, W. Reisdorf, M. Schädel, K.H. Schmidt, J.H.R. Schneider, W.F.W. Schneider, K. Sümmerer, D. Vermeulen, G. Wirth, A. Ghiorso, K.E. Gregorich, D. Lee, M. Leino, K.J. Moody, G.T. Seaborg, R.B. Welch, P. Wilmarth, S. Yashita, C. Frink, N. Greulich, G. Herrmann, U. Hickmann, N. Hildebrand, J.V. Kratz, N. Trautmann, W.R. Daniels, M.M. Fowler, D.C. Hoffman, H.R. von Gunten, H. Dornhöfer Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248 Cm in the Bombarding Energy Range of 4.5 - 5.2 MeV/u J. Less-Common Metals 122, 425 (1986)

H. Gäggeler, W. Brüchle, M. Brügger, K.J. Moody, M. Schädel, K. Sümmerer, G. Wirth, Th. Blaich, G. Herrmann, N. Hildebrand, J.V. Kratz, M. Lerch, N. Trautmann, W.R. Daniels, M.M. Fowler, D.C. Hoffman, K. Gregorich, D. Lee, G.T. Seaborg, R. Welch, H.R. von Gunten Actinide Yields from the Reactions of 40Ca and 48Ca with 248Cm J. Less-Common Metals 122, 433 (1986)

H. Tetzlaff, G. Herrmann, N. Kaffrell, J.V. Kratz, J. Rogowski, N. Trautmann, M. Skålberg, G. Skarnemark, J. Alstad, M.M. Fowler, K.J. Moody, W. Brüchle, H. Gäggeler, M. Schädel, K. Sümmerer Continuous Separation and Identification of Neutron-Rich Neptunium Isotopes from Heavy- Ion Reactions by Means of the Centrifuge System "SISAK" J. Less-Common Metals 122, 441 (1986)

N. Trautmann, P. Peuser, H. Rimke, P. Sattelberger, G. Herrmann, F. Ames, U. Krönert, W. Ruster, J. Bonn, H.-J. Kluge, E.-W. Otten Laser Resonant-Ionization Mass Spectrometry of Actinides J. Less-Common Metals 122, 533 (1986)

G. Skarnemark, K. Brodèn, N. Kaffrell, S.G. Prussin, N. Trautmann, K. Rengan, D. Eriksen, D.F. Kusnezov, R.A. Meyer 88 Kr52 88 Subshell Closure Effects on the Collecitivity of 36 and the Beta Decay of Br to Levels in 88Kr Z. Phys. A323, 407 (1986)

G. Wirth, W. Brüchle, M. Brügger, Fan Wo, K. Sümmerer, F. Funke, J.V. Kratz, M. Lerch, N. Trautmann Sub-Coulomb Transfer in 238U + 238U Collisions Phys. Lett. B177, 282 (1986)

H. Gäggeler, W. Brüchle, M. Brügger, M. Schädel, K. Sümmerer, G. Wirth, J.V. Kratz, M. Lerch, Th. Blaich, G. Herrmann, N. Hildebrand, N. Trautmann, D. Lee, K.J. Moody, K.E. Gregorich, R.B. Welch, G.T. Seaborg, D.C. Hoffman, W.R. Daniels, M.M. Fowler, H.R. von Gunten Production of Cold Target-Like Fragments in the Reaction of 48Ca + 248Cm Phys. Rev. C33, 1983 (1986)

F.-J. Reischmann, B. Rumler, N. Trautmann, G. Herrmann Chemistry at Low Concentrations: Polonium at a Level of 5000 to 40 Atoms Radiochim. Acta 39, 185 (1986)

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H. Gehmecker, N. Trautmann, G. Herrmann 3+ 4+ 2+ Extraction of Pu , Pu and PuO2 from Various Mineral Acid Solutions by Tri-n- butylphosphate and Di-(2-ethylhexyl)-orthophosphoric Acid Radiochim. Acta 40, 11 (1986)

N. Kaffrell, P. Hill, J. Rogowski, H. Tetzlaff, N. Trautmann, E. Jacobs, P. De Gelder, D. De Frenne, K. Heyde, G. Skarnemark, J. Alstad, N. Blasi, M.N. Harakeh, W.A. Sterrenburg, K. Wolfsberg Levels in 107Rh Nucl. Phys. A460, 437 (1986)

M.M. Fowler, W.R. Daniels, H.R. von Gunten, H. Gäggeler, D.C. Hoffman, D. Lee, K. Gregorich, K.J. Moody, M. Lerch, G. Herrmann, N. Trautmann Radiochemical Separation of Actinides from Copper and Gold Catcher Foils from Heavy Ion Reactions with Actinide Targets Radiochim. Acta 40, 75 (1986)

H. Gehmecker, N. Trautmann, G. Herrmann Separation of Plutonium Oxidation States by Ion Exchange Chromatography Radiochim. Acta 40, 81 (1986)

H. Gäggeler, B. Eichler, N. Greulich, G. Herrmann, N. Trautmann Vacuum-Thermochromatography of Carrier-Free Species Radiochim. Acta 40, 137 (1986)

N. Kaffrell, P. Hill, J. Rogowski, H. Tetzlaff, N. Trautmann, E. Jacobs, P. De Gelder, D. De Frenne, K. Heyde, S. Börjesson, G. Skarnemark, J. Alstad, N. Blasi, M.N. Harakeh, W.A. Sterrenburg, K. Wolfsberg Levels in 109Rh Nucl. Phys. 470, 141 (1987)

N. Hildebrand, C. Frink, N. Greulich, U. Hickmann, J.V. Kratz, N. Trautmann, G. Herrmann, M. Brügger, H. Gäggeler, K. Sümmerer, G. Wirth A Cryosystem for the Detection of Alpha and Spontaneous-Fission Activities in Volatile Species Nucl. Instr. Meth. A260, 407 (1987)

H.O. Denschlag, A. Diel, K.-H. Gläsel, R. Heimann, N. Kaffrell, U. Knitz, H. Menke, N. Trautmann, M. Weber, G. Herrmann Fallout in the Mainz Area from the Chernobyl Reactor Accident Radiochim. Acta 41, 163 (1987)

H. Rimke, G. Herrmann, C. Mühleck, P. Sattelberger, N. Trautmann, F. Ames, H.-J. Kluge, E.-W. Otten, D. Rehklau, W.Ruster Detection of Trace Amounts of Actinides by Resonance Ionization Mass Spectrometry Inorg. Chim. Acta 140, 277 (1987)

K.J. Moody, W. Brüchle, M. Brügger, H. Gäggeler, B. Haefner, M. Schädel, K. Sümmerer, H. Tetzlaff, G. Herrmann, N. Kaffrell, J.V. Kratz, J. Rogowski, N. Trautmann, M. Skålberg, G. Skarnemark, J. Alstad, M.M. Fowler New Nuclides: Neptunium-243 and Neptunium-244 Z. Phys. A328, 417 (1987)

M. Weis, H. Ahrens, H.O. Denschlag, M. Fariwar, G. Herrmann, N. Trautmann Rapid Sorption of Niobium on Glass Surfaces Radiochim. Acta 42, 201 (1987) - 12 -

N. Kaffrell, J. Rogowski, H. Tetzlaff, N. Trautmann, D. De Frenne, K. Heyde, E. Jacobs, G. Skarnemark, J. Alstad, M.N. Harakeh, J.M. Schippers, S.Y. van der Werf, W.R. Daniels, K. Wolfsberg Evidence for Shape Coexistence in Neutron-Rich Rh and Ag Isotopes AIP Conference Proceedings 164, 286 (1988) Fifth International Conference on Nuclei far from Stability, Rosseau Lake, Canada, Sept. 1987

N. Trautmann, G. Herrmann, C. Mühleck, P. Peuser, H. Rimke, P. Sattelberger, F. Ames, H.-J. Kluge, E.-W. Otten, D. Rehklau, W. Ruster Laser Resonance Ionization Mass Spectrometry as a Sensitive Analytical Method for Actinides and Technetium Isotopenpraxis 24, 217 (1988)

T. Karlewski, N. Hildebrand, M. Brügger, N. Kaffrell, N. Trautmann, G. Herrmann Beta-Decay of 148,150,152Pr into Levels of 148,150,152Nd Z. Phys. A330, 55 (1988)

G. Wirth, W. Brüchle, Fan Wo, K. Sümmerer, F. Funke, J.V. Kratz, N. Trautmann, V.E. Oberacker Fission in 238U + 238U Collisions Below the Coulomb Barrier Z. Phys. A330, 87 (1988)

F. Ames, A. Becker, H.-J. Kluge, H. Rimke, W. Ruster, N. Trautmann A Laser Ion Source for Trace Analysis Fresenius Z. Anal. Chem. 331, 133 (1988)

W. Ruster, F. Ames, M. Mang, C. Mühleck, D. Rehklau, H. Rimke, P. Sattelberger, G. Herrmann, H.-J. Kluge, E.-W. Otten, N. Trautmann Determination of Trace Elements by Resonant Ionization Mass Spectrometry (RIMS) Fresenius Z. Anal. Chem. 331, 182 (1988)

N. Trautmann, G. Herrmann, M. Mang, C. Mühleck, H. Rimke, P. Sattelberger, F. Ames, H.-J. Kluge, E.-W. Otten, D. Rehklau, W. Ruster Low-Level Detection of Actinides by Laser Resonance Photoionization Radiochim. Acta 44/45, 107 (1988)

P. David, H. Hänscheid, J. Hartfiel, H. Janszen, T. Mayer-Kuckuk, R. von Mutius, F. Risse, Ch.F.G. Rösel, W. Schrieder, C. Petitjean, H.W. Reist, S.M. Polikanov, J. Konijn, C.T.A.M. de Laat, A. Taal, T. Krogulski, T. Johansson, G. Tibell, J.F.M. d’ Achard van Enschut, J.P. Theobald, N. Trautmann, C. Gugler, L.A. Schaller, L. Schellenberg The Study of Prompt and Delayed Muon Induced Fission II. Mean Life Times of Negative Muons Bound to 237Np, 242Pu and 244Pu Z. Phys. A330, 397 (1988)

H.-J. Kluge, N. Trautmann Resonanz-Ionisationsspektroskopie Nachr. Chem. Tech. Lab. 36, 1190 (1988)

H. Rimke, G. Herrmann, M. Mang, C. Mühleck, J. Riegel, P. Sattelberger, N. Trautmann, F. Ames, A. Becker, H.-J. Kluge, L. Monz, E.-W. Otten, D. Rehklau, W. Ruster RIMS as an Analytical Tool for the Investigation of Trace Elements in: Resonance Ionization Spectroscopy 1988 Inst. Phys. Conf. Ser. No 94, 351 (1988)

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G. Wirth, W. Brüchle, Fan Wo, K. Sümmerer, F. Funke, J.V. Kratz, N. Trautmann Nuclear Reactions in Collisions of Very Heavy Ions at Energies Below and Near the Barrier Lecture Notes in Physics 317, 84 (1988) Heavy Ion Interactions Around the Coulomb Barrier Proceedings, Legnaro, Italy 1988

M. Brügger, K. Lützenkirchen, S. Polikanov, G. Herrmann, M. Overbeck, N. Trautmann, A. Breskin, R. Chechik, Z. Fraenkel, U. Smilansky Search for Strange Matter by Rutherford Backscattering Nature 337, 434 (1989)

B. Rumler, N. Trautmann, G. Herrmann Chemistry at Low Concentrations: Astatine at a Level of 108 to 103 Atoms Radiochim. Acta 47, 91 (1989)

P. Sattelberger, M. Mang, G. Herrmann, J. Riegel, H. Rimke, N. Trautmann, F. Ames, H.-J. Kluge Separation and Detection of Trace Amounts of Technetium Radiochim. Acta 48, 165 (1989)

H. Persson, G. Skarnemark, M. Skålberg, J. Alstad, J.O. Liljenzin, G. Bauer, F. Haberberger, N. Kaffrell, J. Rogowski, N. Trautmann SISAK 3 - An Improved System for Rapid Radiochemical Separations by Solvent Extraction Radiochim. Acta 48, 177 (1989)

W. Ruster, F. Ames, H.-J. Kluge, E.-W. Otten, D. Rehklau, F. Scheerer, G. Herrmann, C. Mühleck, J. Riegel, H. Rimke, P. Sattelberger, N. Trautmann A Resonance Ionization Mass Spectrometer as an Analytical Instrument for Trace Analysis Nucl. Instr. Meth. Phys. Res. A281, 547 (1989)

N. Trautmann, H. Folger Preparation of Actinide Targets by Electrodeposition Nucl. Instr. Meth. Phys. Res. A282, 102 (1989)

B. Eichler, C. Frink, G. Herrmann, N. Trautmann Fast Volatilization of Some Lanthanide and Actinide Elements from Titanium Surfaces Fresenius Z. Anal. Chem. 335, 656 (1989)

H. Rimke, G. Herrmann, M. Mang, C. Mühleck, J. Riegel, P. Sattelberger, N. Trautmann, F. Ames, H.-J. Kluge, E.-W. Otten, D. Rehklau, W. Ruster, F. Scheerer Principle and Analytical Applications of Resonance Ionization Mass Spectrometry Mikrochim. Acta III, 223 (1989)

M. Overbeck, A. Breskin, M. Brügger, R. Chechik, Z. Fraenkel, G. Herrmann, K. Lützenkirchen, S. Polikanov, N. Trautmann, Th. Wilpert A Heavy-Ion Identification System for the Detection of Rare Events Nucl. Instr. Meth. Phys. Res. A288, 413 (1990)

U.W. Scherer, W. Brüchle, M. Brügger, C. Frink, H. Gäggeler, G. Herrmann, J.V. Kratz, K.J. Moody, M. Schädel, K. Sümmerer, N. Trautmann, G. Wirth Reactions of 40Ar with 233U, 235U, and 238U at the Barrier Z. Phys. A - Atomic Nuclei 335, 421 (1990)

F. Ames, T. Brumm, K. Jäger, H.-J. Kluge, B.M. Suri, H. Rimke, N. Trautmann, R. Kirchner A High-Temperature Laser Ion Source for Trace Analysis and Other Applications Appl. Phys. B51, 200 (1990)

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J. Rogowski, J. Alstad, M.M. Fowler, D.De Frenne, K. Heyde, E. Jacobs, N. Kaffrell, G. Skarnemark, N. Trautmann Evidence for Intruder States in 111Rh Z. Phys. A - Atomic Nuclei 337, 233 (1990)

G. Skarnemark, J. Alstad, N. Kaffrell, N. Trautmann Studies of Short-Lived Fission Products by Means of the Multistage Solvent Extraction System SISAK J. Radioanal. Nucl. Chem. 142, 145 (1990)

J. Rogowski, J. Alstad, S. Brant, W.R. Daniels, D. De Frenne, K. Heyde, E. Jacobs, N. Kaffrell, V. Paar, G. Skarnemark, N. Trautmann Intruder States in Odd-Mass Ag Isotopes Phys. Rev. C42, 2733 (1990)

F. Ames, H.-J. Kluge, E.-W. Otten, B.M. Suri, A. Venugopalan, G. Herrmann, J. Riegel, H. Rimke, P. Sattelberger, N. Trautmann, R. Kirchner Trace Analysis of Plutonium and Technetium by Resonance Ionization Mass Spectrometry Using an Atomic Beam and a Laser Ion Source in: Optoelectronics for Environmental Science, S. Martellucci and A.N. Chester, eds., p.199, Plenum Press, New York, 1990

K. Wendt, G. Haub, S. Köhler, H.-J. Kluge, L. Monz, E.-W. Otten, G. Passler, P. Senne, J. Stenner, K. Zimmer, G. Herrmann, N. Trautmann, K. Walter Quantitative Detection of Strontium-90 and Strontium-89 in Environmental Samples by Laser Mass Spectrometry in: Optoelectronics for Environmental Science, S. Martellucci and A.N. Chester, eds., p. 163, Plenum Press, New York, 1990

T. Altzitzoglou, J. Rogowski, M. Skålberg, J. Alstad, G. Herrmann, N. Kaffrell, G. Skarnemark, W. Talbert, N. Trautmann Fast Chemical Separation of Technetium from Fission Products and Decay Studies of 109Tc and 110Tc Radiochim. Acta 51, 145 (1990)

P. Sattelberger, R. Deißenberger, G. Herrmann, J. Riegel, H. Rimke, N. Trautmann, F. Ames, H.-J. Kluge Resonance Ionization Mass Spectroscopy of Neptunium in: Resonance Ionization Spectroscopy 1990 Inst. Phys. Conf. Ser. No. 114, 239 (1991)

G. Herrmann, J. Riegel, H. Rimke, P. Sattelberger, N. Trautmann, F.-J. Urban, F. Ames, E.- W. Otten, W. Ruster, F. Scheerer Resonance Ionization Mass Spectroscopy of Uranium in: Resonance Ionization Spectroscopy 1990 Inst. Phys. Conf. Ser. No. 114, 251 (1991)

F. Ames, H.-J. Kluge, B.M. Suri, A. Venugopalan, H. Rimke, N. Trautmann, R. Kirchner RIS of Technetium in a Laser Ion Source for a Solar-Neutrino Experiment in: Resonance Ionization Spectroscopy 1990 Inst. Phys. Conf. Ser. No. 114, 289 (1991)

B.M. Suri, F. Ames, H.-J. Kluge, F. Scheerer, N. Trautmann A Laser Ion Source for Ion Implantation Applications in: Resonance Ionization Spectroscopy 1990 Inst. Phys. Conf. Ser. No. 114, 125 (1991)

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K. Wendt, K. Christian, H.-J. Kluge, L. Monz, E.-W. Otten, G. Passler, J. Stenner, K. Stratmann, K. Zimmer, G. Herrmann, N. Trautmann, K. Walter Collinear Resonance Ionization Spectroscopy for the Quantitative Detection of Strontium-90 and Strontium-89 in Environmental Samples in: Resonance Ionization Spectroscopy 1990 Inst. Phys. Conf. Ser. No. 114, 293 (1991)

G. Wirth, F. Funke, W. Brüchle, Wo Fan, J.V. Kratz, K. Sümmerer, N. Trautmann One-Neutron Transfer in 238U+ 197Au Collisions Phys. Lett. B253, 28 (1991)

F. Ames, H.-J. Kluge, E.-W. Otten, B.M. Suri, A. Venugopalan, G. Herrmann, H. Rimke, N. Trautmann, R. Kirchner, B. Eichler Release Studies of Atomic Technetium Annalen Physik 48, 1 (1991)

S. Polikanov, C.S. Sastri, G. Herrmann, K. Lützenkirchen, M. Overbeck, N. Trautmann, A. Breskin, R. Chechik, Z. Fraenkel Search for Supermassive Nuclei in Nature Z. Physik A-Hadrons and Nuclei 338, 357 (1991)

W. Schrieder, P. David, H. Hänscheid, J. Konijn, C. T. A. M. de Laat, H. Paganetti, C. Petitjean, H. W. Reist, F. Risse, Ch. Rösel, L. A. Schaller, L. Schellenberg, A. K. Sinha, A. Taal, N. Trautmann The Probability of Prompt and Delayed Fission of Muonic 237Np Z. Phys. A-Hadrons and Nuclei 339, 445 (1991)

F. Funke, J.V. Kratz, N. Trautmann, N. Wiehl, G. Wirth, W. Brüchle, Fan Wo, K. Sümmerer Cross Sections for Nuclear Reactions in Collisions of 238U + 238U and 238U + 197Au Near and Below the Coulomb Barrier Z. Phys. A-Hadrons and Nuclei 340, 303 (1991)

H. Ohm, M. Liang, U. Paffrath, B. De Sutter, K. Sistemich, A.-M. Schmitt, N. Kaffrell, N. Trautmann, T. Seo, K. Shizuma, G. Molnár, K. Kawade, R. A. Meyer 101 The Deformed N = 60 Nucleus 41Nb Z. Phys. A-Hadrons and Nuclei 340, 5 (1991)

U. Hickmann, N. Greulich, N. Trautmann, G. Herrmann Chemical Reactions in a Gas-Jet Recoil-Transport System (III): Rapid Separation of Arsenic from Fission Products Radiochimica Acta 55, 57 (1991)

K. Eberhardt, G. Buchert, G. Herrmann, N. Trautmann A Microwave Induced Plasma Operated at Atmospheric and Low Pressure as an Ion Source for a Mass Separator Spectrochimica Acta 47B, 89 (1992)

J. Kaiser, B. Schied, N. Trautmann, W. Vogt Cation Exchange Resins Based on Phosphonomethyl- Substituted Phenols Makromol. Chem. 193, 799 (1992)

F. Scheerer, F. Albus, F. Ames, H.-J. Kluge, N. Trautmann An Efficient Excitation Scheme for Resonance Ionization of Tin in a Laser Ion Source Spectrochimica Acta 47B, 793 (1992)

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N. Trautmann, G. Herrmann Rapid Radiochemical Separation Procedures from Aqueous Solutions in: Nuclear Data for Science and Technology (S.M. Qaim, ed.), p. 406. Springer, Berlin 1992

W. Lauth, H. Backe, M. Dahlinger, I. Klaft, P. Schwamb, G. Schwickert, N. Trautmann, U. Othmer Resonance Ionization Spectroscopy in a Buffer Gas Cell with Radioactive Decay Detection, Demonstrated Using 208Tl Phys. Rev. Lett. 68, 1675 (1992)

B. Eichler, F. Zude, W. Fan, N. Trautmann, G. Herrmann Volatilization and Deposition of Ruthenium Oxides in a Temperature Gradient Tube Radiochim. Acta 56, 133 (1992)

N. Trautmann Detection and Speciation of Trace Amounts of Neptunium and Plutonium in: Transuranium Elements: A Half Century (L.R. Morss, J. Fuger, eds.), p. 159. American Chemical Society, Washington, DC 1992

U. Hickmann, N. Greulich, N. Trautmann, G. Herrmann Preparation of Thin Counting Samples by Volatilization-Condensation Nucl. Instr. Meth. Phys. Res. A321, 216 (1992)

M. Schädel, W. Brüchle, E. Schimpf, H.P. Zimmermann, M.K. Gober, J.V. Kratz, N. Trautmann, H. Gäggeler, D. Jost, J. Kovacs, U.W. Scherer, A. Weber, K.E. Gregorich, A. Türler, K.R. Czerwinski, N.I. Hannink, B. Kadkhodayan, D.M. Lee, M.J. Nurmia, D.C. Hoffman Chemical Properties of Element 105 in Aqueous Solution: Cation Exchange Separations with α-Hydroxyisobutyric Acid Radiochim. Acta 57, 85 (1992)

H. Backe, P. Graffé, D. Habs, M. Hies, Ch. Illgner, H. Kunz, W. Lauth, H. Schöpe, P. Schwamb, W. Theobald, P. Thörle, N. Trautmann, R. Zahn Resonance Ionization Spectroscopy of 242mAm Fission Isomers in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 13 (1992)

K. Wendt, G. Herrmann, R. Hohmann, H.-J. Kluge, S. Kunze, J. Lantzsch, L. Monz, E.W. Otten, G. Passler, J. Stenner, K. Stratmann, N. Trautmann, K. Walter, K. Zimmer Determination of Term Energy, Hyperfine Structure and Life-Time of Strontium Rydberg Levels by Resonance Ionization Spectroscopy in Collinear Geometry in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 87 (1992)

J. Riegel, F. Albus, F. Ames, R. Deißenberger, G. Herrmann, H.-J. Kluge, S. Köhler, P. Sattelberger, F. Scheerer, N. Trautmann, F.-J. Urban, H. Wendeler Trace Analysis of Neptunium with Resonance Ionization Mass Spectroscopy (RIMS) in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 221 (1992)

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L. Monz, R. Hohmann, H.-J. Kluge, S. Kunze, J. Lantzsch, E.W. Otten, G. Passler, P. Senne, J. Stenner, K. Stratmann, K. Wendt, K. Zimmer, G. Herrmann, N. Trautmann, K. Walter Collinear Resonance Ionization Spectroscopy for the Determination of Strontium-90 and Strontium-89 in Environmental Samples in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 225 (1992)

F.-J. Urban, R. Deißenberger, G. Herrmann, S. Köhler, J. Riegel, N. Trautmann, H. Wendeler, F. Albus, F. Ames, H.-J. Kluge, S. Kraß, F. Scheerer Resonance Ionization Mass Spectroscopy of Plutonium with a Reflectron Time-of-Flight Mass Spectrometer in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 233 (1992)

F. Albus, F. Ames, H.-J. Kluge, S. Kraß, F. Scheerer, B.M. Suri, A. Venugopalan, R. Deißenberger, S. Köhler, J. Riegel, N. Trautmann, F.-J. Urban, R. Kirchner A Highly-Efficient and Selective Laser Ion Source by Resonance Ionization Spectroscopy in: Resonance Ionization Spectroscopy 1992 Inst. Phys. Conf. Ser. No. 128, 313 (1992)

U. Hickmann, N. Greulich, N. Trautmann, G. Herrmann On-line Separation of Volatile Fission Products by Thermochromatography: Comparison of Halide Systems Radiochim. Acta 60, 127 (1993)

J. Riegel, R. Deissenberger, G. Herrmann, S. Köhler, P. Sattelberger, N. Trautmann, H. Wendeler, F. Ames, H.-J. Kluge, F. Scheerer, F.-J. Urban Resonance Ionization Mass Spectroscopy for Trace Analysis of Neptunium Appl. Phys. B56, 275 (1993)

B. Eichler, F. Zude, W. Fan, N. Trautmann, G. Herrmann Complex Transport Reactions in a Temperature Gradient Tube: Radiochemical Study of Volatilization and Deposition of Iridium Oxides and Hydroxides Radiochim. Acta 61, 81 (1993)

N. Trautmann, G. Herrmann Educational Programs in Nuclear and Radiochemistry at the University of Mainz and in Germany J. Radioanal. Nucl. Chem. 171, 101 (1993)

H. Wendeler, R. Deissenberger, F.-J. Urban, N. Trautmann, G. Herrmann Electrolytic Preparation of Actinide Filaments for Laser Resonance Ionization Spectroscopy Nucl. Instr. Meth. Phys. Res. A334, 93 (1993)

R.B. Piercey, C. Michel, E. Grosse, H. Emling, D. Schwalm, H.J. Wollersheim, J.H. Hamilton, A.V. Ramayya, N. Trautmann Coulomb Excitation Studies to High Spin in 248Cm J. Phys. G19, 849 (1993)

F. Zude, W. Fan, N. Trautmann, G. Herrmann, B. Eichler Thermochromatography of Platinum Elements in Oxygen: Radiochemical Studies of the Behaviour of Rhodium, Palladium, Osmium and Platinum Radiochim. Acta 62, 61 (1993)

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M. Mang, H. Gehmecker, N. Trautmann, G. Herrmann Separation of Oxydation States of Neptunium and Plutonium by Continuous Electrophoretic Ion Focusing Radiochim. Acta 62, 49 (1993)

N. Trautmann Ultratrace Analysis of Technetium Radiochim. Acta 63, 37 (1993)

L. Monz, R. Hohmann, H.-J. Kluge, S. Kunze, J. Lantzsch, E.W. Otten, G. Passler, P. Senne, J. Stenner, K. Stratmann, K. Wendt, K. Zimmer, G. Herrmann, N. Trautmann, K. Walter Fast, Low-Level Detection of Strontium-90 and Strontium-89 in Environmental Samples by Collinear Resonance Ionization Spectroscopy Spectrochimica Acta 48B, 1655 (1993)

K. Walter, N. Trautmann, G. Herrmann Simultaneous Determination of Strontium-90 and Strontium-89 by Cerenkov-Radiation and Liquid-Scintillation Counting: a Re-Evaluation for Low-Level Counting Radiochim. Acta 62, 207 (1993)

H. Backe, P. Graffe, D. Habs, M. Hies, C. Illgner, H. Kunz, W. Lauth, H. Schöpe, P. Schwamb, W. Theobald, P. Thörle, N. Trautmann, R. Zahn Radiation Detected Resonance Ionization Spectroscopy on 208Tl and 242fAm Hyperfine Interactions 78, 35 (1993)

K. Zimmer, J. Stenner, H.-J. Kluge, J. Lantzsch, L. Monz, E.W. Otten, G. Passler, R. Schwalbach, M. Schwarz, H. Stevens, K. Wendt, G. Herrmann, S. Nieß, N. Trautmann, K. Walter, B.A. Bushaw Determination of 90Sr in Environmental Samples with Resonance Ionization Spectroscopy in Collinear Geometry Appl. Phys. B59, 117 (1994)

G. Herrmann, H.-J. Kluge, G. Passler, N. Trautmann, K. Wendt Resonanzionisations-Spektroskopie mit Lasern Phys. Blätter 50, 929 (1994)

H.-J. Kluge, B.A. Bushaw, G. Passler, K. Wendt, N. Trautmann Resonance Ionization Spectroscopy for Trace Analysis and Fundamental Research Fresenius J. Anal. Chem. 350, 323 (1994)

N. Trautmann Accurate Determination of the First Ionization Potential of Actinides by Laser Spectroscopy J. Alloys and Compounds 213/214, 28 (1994)

S. Polikanov, W. Brüchle, H. Folger, E. Jäger, T. Krogulski, M. Schädel, E. Schimpf, G. Wirth, T. Aumann, J.V. Kratz, E. Stiel, N. Trautmann Electromagnetic and Nuclear Fission of 238U in the Reaction of 100, 500, and 1000 A⋅MeV 208Pb with 238U Z. Phys. A-Hadrons and Nuclei 350, 221 (1994)

J. Lantzsch, B.A. Bushaw, G. Herrmann, H.-J. Kluge, L. Monz, S. Nieß, E.W. Otten, R. Schwalbach, M. Schwarz, J. Stenner, N. Trautmann, K. Walter, K. Wendt, K. Zimmer Spurenbestimmung der Radionuclide 90Sr und 89Sr in Umweltproben I: Laser- Massenspektrometrie Angew. Chem. 107, 202 (1995)

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J. Lantzsch, B.A. Bushaw, G. Herrmann, H.-J. Kluge, L. Monz, S. Niess, E.W. Otten, R. Schwalbach, M. Schwarz, J. Stenner, N. Trautmann, K. Walter, K. Wendt, K. Zimmer Trace Analysis of the Radionuclides 90Sr and 89Sr in Environmental Samples I: Laser Mass Spectrometry Angew. Chem. Int. Ed. Engl. 34, 181 (1995)

J. Alstad, G. Skarnemark, F. Haberberger, G. Herrmann, A. Nähler, M. Pense-Maskow, N. Trautmann Development of New Centrifuges for Fast Solvent Extraction of Transactinide Elements J. Radioanal. Nucl. Chem. 189, 133 (1995)

R. Deißenberger, S. Köhler, F. Ames, K. Eberhardt, N. Erdmann, H. Funk, G. Herrmann, H.- J. Kluge, M. Nunnemann, G. Passler, J. Riegel, F. Scheerer, N. Trautmann, F.-J. Urban Erste Messung der Ionisationsenergie der Elemente Americium und Curium Angew. Chem. 107, 891 (1995)

R. Deissenberger, S. Köhler, F. Ames, K. Eberhardt, N. Erdmann, H. Funk, G. Herrmann, H.-J. Kluge, M. Nunnemann, G. Passler, J. Riegel, F. Scheerer, N. Trautmann, F.-J. Urban First Determination of the Ionization Potential of Americium and Curium Angew. Chem. Int. Ed. Engl. 34, 814 (1995)

N. Trautmann Ultratrace Anaylsis of Long-Lived Radioisotopes in the Environment in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 243, AIP Press, New York 1995

H. Backe, B. Fricke, D. Habs, K. Hellmann, M. Hies, Ch. Illgner, H. Kunz, W. Lauth, W. Theobald, P. Thörle, N. Trautmann Isotope Shift Measurements at the 242fAm Fission Isomer in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 207, AIP Press, New York 1995

K. Eberhardt, N. Erdmann, H. Funk, G. Herrmann, S. Köhler, A. Nähler, G. Passler, N. Trautmann, F.-J. Urban Chemical Separation of Plutonium from Air Filters and Preparation of Filaments for Resonance Ionization Mass Spectroscopy in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 503, AIP Press, New York 1995

N. Erdmann, F. Albus, R. Deißenberger, K. Eberhardt, H. Funk, H.U. Hasse, G. Herrmann, G. Huber, H.-J. Kluge, S. Köhler, M. Nunnemann, G. Passler, N. Trautmann, F.-J. Urban Resonance Ionization Mass Spectroscopy for Trace Analysis of Plutonium in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 507, AIP Press, New York 1995

V.N. Fedoseyev, F. Albus, R. Kirchner, O. Klepper, H.-J. Kluge, V.I. Mishin, G. Passler, E. Roeckl, F. Scheerer, K. Schmidt, N. Trautmann Study of Short-Lived Tin Isotopes with a Laser Ion Source in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 465, AIP Press, New York 1995

H.U. Hasse, F. Albus, R. Deißenberger, N. Erdmann, G. Herrmann, G. Huber, H.-J. Kluge, G. Passler, N. Trautmann A Laser Ion Source for Trace Detection in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 499, AIP Press, New York 1995

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S. Köhler, F. Albus, R. Deißenberger, N. Erdmann, H. Funk, H.-U. Hasse, G. Herrmann, G. Huber, H.-J. Kluge, M. Nunnemann, G. Passler, P.M. Rao, J. Riegel, N. Trautmann, F.-J. Urban Determination of the First Ionization Potential of Actinides by Resonance Ionization Mass Spectroscopy in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 377, AIP Press, New York 1995

J. Lantzsch, B.A. Bushaw, V.A. Bystrow, G. Herrmann, H.-J. Kluge, S. Nieß, E.W. Otten, G. Passler, R. Schwalbach, M. Schwarz, J. Stenner, N. Trautmann, K. Wendt, Y.V. Yushkevich, K. Zimmer Trace Determination of 90Sr and 89Sr in Environmental Samples by Collinear Resonance Ionization Spectroscopy in: Resonance Ionization Spectroscopy 1994, AIP Conference Proceedings 329 (H.-J. Kluge, J.E. Parks, K. Wendt eds.) p. 251, AIP Press, New York 1995

K. Wendt, G. Passler, N. Trautmann Trace Detection of Radiotoxic Isotopes by Resonance Ionization Mass Spectrometry Phys. Scripta T58, 104 (1995)

Z. Janas, H. Keller, R. Kirchner, O. Klepper, A. Piechaczek, E. Roeckl, K. Schmidt, M. Huyse, J. von Schwarzenberg, J. Szerypo, P. Van Duppen, L. Vermeeren, F. Albus, H.-J. Kluge, G. Passler, F. Scheerer, N. Trautmann, V.N. Fedoseyev, V.I. Mishin, R. Grzywacz, A. Plochocki, K. Rykaczewski, J. Zylicz Beta Decay of the New Isotope 101Sn Phys. Scripta T56, 262 (1995)

B. Wierczinski, J. Alstad, K. Eberhardt, B. Eichler, H. Gäggeler, G. Herrmann, D. Jost, A. Nähler, M. Pense-Maskow, A.V.R. Reddy, G. Skarnemark, N. Trautmann, A. Türler Fast On-line Solvent Extraction with the SISAK-3 Centrifuge System as a Test of Chemical Studies of the Elements 105 and 106 Radiochim. Acta 69, 77 (1995)

S. Schoedder, G. Lhersonneau, A. Wöhr, G. Skarnemark, J. Alstad, A. Nähler, K. Eberhardt, J. Äystö, N. Trautmann, K.-L. Kratz Level Lifetimes in Neutron-Rich Ru Isotopes Z. Phys. A352, 237 (1995)

Th. Bock, A. Bockisch, W. Grimm, H. Langhans, D. Filipas, N. Trautmann, R. Hohenfellner Does the Chlorine Resorption from a Continent Ileo-Coecal Pouch (Mainz-Pouch I) Depend on Time? Europ. J. Nucl. Medicine 22, 360 (1995)

N. Trautmann Fast Radiochemical Separations for Heavy Elements Radiochim. Acta 70/71, 237 (1995)

B. Wierczinski, K. Eberhardt, G. Herrmann, J.V. Kratz, M. Mendel, A. Nähler, F. Rocker, U. Tharun, N. Trautmann, K. Weiner, N. Wiehl, J. Alstad, G. Skarnemark Liquid-Scintillation Spectroscopy of α-Particle Emitters and Detection of Spontaneous Fission Events for On-Line Studies of Actinide and Transactinide Elements Nucl. Instr. Meth. Phys. Res. A370, 532 (1996)

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D. Schumann, S. Fischer, R. Dressler, St. Taut, H. Nitsche, N. Trautmann, M. Schädel, W. Brüchle, B. Schausten, A.F. Novgorodov, R. Misiak, B. Eichler, H. Gäggeler, D. Jost, A. Türler, H. Bruchertseifer Sorption of Subgroup IV, V and VI Elements on Ion Exchangers from HCl/HF Solutions. Model Experiments for Chemical Studies of the Elements 105 and 106 in Aqueous Solution Radiochim. Acta 72, 137 (1996)

C. Marquardt, G. Herrmann, N. Trautmann Complexation of Neptunium (V) with Humic Acids at Very Low Metal Concentrations Radiochim. Acta 73, 119 (1996) S. Köhler, N. Erdmann, M. Nunnemann, G. Herrmann, G. Huber, J.V. Kratz, G. Passler, N. Trautmann Die experimentelle Bestimmung der Ionisationsenergien von Berkelium und Californium Angew. Chem. 108, 3036 (1996)

S. Koehler, N. Erdmann, M. Nunnemann, G. Herrmann, G. Huber, J.V. Kratz, G. Passler, N. Trautmann First Experimental Determination of the Ionization Potentials of Berkelium and Californium Angew. Chem. Int. Ed. Engl. 35, 2856 (1996)

E. Lubkiewicz, H.J. Wollersheim, R. Kulessa, Ch. Briauçon, W. Brüchle, O. Constantinescu, M. Debowski, E. Ditzel, H. Folger, J. Gerl, F. Hannachi, T. Happ, M. Hussonnois, E. Jäger, S. Karamian, M. Kaspar, Th. Kröll, Yu.Ts. Oganessian, I. Peter, H. Schaffner, S. Schremmer, R. Schubert, N. Trautmann, K. Vetter, G. Zauner Coulomb Excitation of the Kπ = 16+ Rotational Band in 178Hf Z. Phys. A355, 377 (1996)

H. Backe, R.-R. Baum, B. Fricke, D. Habs, K. Hellmann, M. Hies, Ch. Illgner, Ch. Krameyer, H. Kunz, W. Lauth, R. Martin, P. Schwamb, W. Theobald, P. Thörle, N. Trautmann Isotope Shift and Hyperfine Structure Measurements of the 242fAm Fission Isomer Hyperfine Interactions 97/98, 535 (1996)

N. Erdmann, G. Herrmann, G. Huber, S. Köhler, J.V. Kratz, A. Mansel, M. Nunnemann, G. Passler, N. Trautmann, A. Waldek Trace Analysis of Plutonium in Environmental Samples by Resonance Ionization Mass Spectroscopy (RIMS) in: Resonance Ionization Spectroscopy 1996, AIP Conference Proceedings 388 (N. Winograd, J.E. Parks eds.) p. 205, AIP Press, New York 1997

M. Nunnemann, K. Eberhardt, N. Erdmann, G. Herrmann, G. Huber, S. Köhler, J.V. Kratz, A. Nähler, G. Passler, N. Trautmann Determination of the First Ionization Potential of Berkelium and Californium by Resonance Ionization Mass Spectroscopy in: Resonance Ionization Spectroscopy 1996, AIP Conference Proceedings 388 (N. Winograd, J.E. Parks eds.) p. 267, AIP Press, New York 1997

B.A Bushaw, F. Juston, W. Nörtershäuser. N. Trautmann, P. Voss-de Haan, K. Wendt Multiple Resonance RIMS Measurements of Calcium Isotopes Using Diode Lasers in: Resonance Ionization Spectroscopy 1996, AIP Conference Proceedings 388 (N. Winograd, J.E. Parks eds.) p. 115, AIP Press, New York 1997

K. Wendt, B.A Bushaw, G. Bhowmick, V.A. Bystrow, N. Kotovski, J.V. Kratz, J. Lantzsch, P. Müller, W. Nörtershäuser, E.W. Otten, A. Seibert, N. Trautmann, A. Waldek, Y. Yushkevich 89,90Sr-Determination in Various Environmental Samples by Collinear Resonance Ionization Spectroscopy in: Resonance Ionization Spectroscopy 1996, AIP Conference Proceedings 388 (N. Winograd, J.E. Parks eds.) p. 361, AIP Press, New York, 1997 - 22 -

K. Wendt, J.V. Kratz, J. Lantzsch, P. Müller, W. Nörtershäuser, A. Seibert, N. Trautmann, A. Waldek, K. Zimmer Rapid Ultratrace Determination of 89,90Sr in Environmental Samples by Collinear Laser Resonance Ionization Spectrometry Kerntechnik 62, 81 (1997)

G. Passler, N. Erdmann, H.-U. Hasse, G. Herrmann, G. Huber, S. Köhler, J.V. Kratz, A. Mansel, M. Nunnemann, N. Trautmann, A. Waldek Application of Laser Mass Spectrometry for Trace Analysis of Plutonium and Technetium Kerntechnik 62, 85 (1997)

M. Schädel, W. Brüchle, R. Dressler, B. Eichler, H.W. Gäggeler, R. Günther, K.E. Gregorich, D.C. Hoffman, S. Hübener, D.T. Jost, J.V. Kratz, W. Paulus, D. Schumann, S. Timokhin, N. Trautmann, A. Türler, G. Wirth, A. Yakuschev Chemical Properties of Element 106 (Seaborgium) Nature 388, 55 (1997)

S. Köhler, R. Deißenberger, K. Eberhardt, N. Erdmann, G. Herrmann, G. Huber, J.V. Kratz, M. Nunnemann, G. Passler, P.M. Rao, J. Riegel, N. Trautmann, K. Wendt Determination of the First Ionization Potential of Actinide Elements by Resonance Ionization Mass Spectroscopy Spectrochimica Acta B52, 717 (1997)

M. Schädel, W. Brüchle, B. Schausten, E. Schimpf, E. Jäger, G. Wirth, R. Günther, J.V. Kratz, W. Paulus, A. Seibert, P. Thörle, N. Trautmann, S. Zauner, D. Schumann, M. Andrassy, R. Misiak, K.E. Gregorich, D.C. Hoffman, D.M. Lee, E.R. Sylwester, Y. Nagame, Y. Oura First Aqueous Chemistry with Seaborgium (Element 106) Radiochim. Acta 77, 149 (1997)

R. Surkau, J. Becker, M. Ebert, T. Grossmann, W. Heil, D. Hofmann, H. Humblot, M. Leduc, E.W. Otten, D. Rohe, K. Siemensmeyer, M. Steiner, F. Tasset, N. Trautmann Realization of a Broad Band Neutron Spin Filter with Compressed, Polarized 3He Gas Nucl. Instr. Meth. Phys. Res. A384, 444 (1997)

C. Franz, G. Herrmann, N. Trautmann Complexation of Samarium(III) and Americium with Humic Acid at Very Low Metal Concentrations Radiochim. Acta 77, 177 (1997)

A. Jokinen, A.-H. Evensen, E. Kugler, J. Lettry, H. Ravn, P. van Duppen, N. Erdmann, Y. Jading, S. Köhler, K.-L. Kratz, N. Trautmann, A. Wöhr, V.N. Fedoseyev, V.I. Mishin, V. Tikhonov, ISOLDE-collaboration Selective Laser Ionization of Radioactive Ni-Isotopes Nucl. Instr. Meth. Phys. Res. B126, 95 (1997)

N. Erdmann, G. Herrmann, G. Huber, S. Köhler, J.V. Kratz, A. Mansel, M. Nunnemann, G. Passler, N. Trautmann, A. Turchin, A. Waldek Resonance Ionization Mass Spectroscopy for Trace Determination of Plutonium in Environmental Samples Fresenius J. Anal. Chem. 359, 378 (1997)

K. Wendt, K. Blaum, B.A. Bushaw, F. Juston, W. Nörtershäuser, N. Trautmann, B. Wiche Ultratrace Analysis of Calcium with High Isotopic Selectivity by Diodelaser Resonance Ionisation Mass Spectrometry Fresenius J. Anal. Chem. 359, 361 (1997) - 23 -

K. Wendt, G.K. Bhowmick, B.A. Bushaw, G. Herrmann, J.V. Kratz, J. Lantzsch, P. Müller, W. Nörtershäuser, E.-W. Otten, R. Schwalbach, U.-A. Seibert, N. Trautmann, A. Waldek Rapid Trace Analysis of 89,90Sr in Environmental Samples by Collinear Laser Resonance Ionization Mass Spectrometry Radiochim. Acta 79, 183 (1997)

B. Eichler, S. Hübener, N. Erdmann, K. Eberhardt, H. Funk, G. Herrmann, S. Köhler, N. Trautmann, G. Passler, F.-J. Urban An Atomic Beam Source for Actinide Elements: Concept and Realization Radiochim. Acta 79, 221 (1997)

H. Backe, K. Eberhardt, R. Feldmann, M. Hies, H. Kunz, W. Lauth, R. Martin, H. Schöpe, P. Schwamb, M. Sewtz, P. Thörle, N. Trautmann, S. Zauner A Compact Apparatus for Mass Selective Resonance Ionization Spectroscopy in a Buffer Gas Cell Nucl. Instr. Meth. Phys. Res. B126, 406 (1997)

S.F. Boulyga, N. Erdmann, H. Funk, M.K. Kievets, E.M. Lomonosova, A. Mansel, N. Trautmann, O.I. Yaroshevich, I.V. Zhuk Determination of Isotopic Composition of Plutonium in Hot Particles of the Chernobyl Area Radiation Measurements 28, 349 (1997)

H. Backe, M. Hies, H. Kunz, W. Lauth, O. Curtze, P. Schwamb, M. Sewtz, W. Theobald, R. Zahn, K. Eberhardt, N. Trautmann, D. Habs, P. Repnow, B. Fricke Isotope Shift Measurements for Superdeformed Fission Isomeric States Phys. Rev. Lett. 80, 920 (1998)

G. Lhersonneau, B. Pfeiffer, J. Alstad, P. Dendooven, K. Eberhardt, S. Hankonen, I. Klöckl, K.-L. Kratz, A. Nähler, R. Malmbeck, J.P. Omtvedt, H. Pettilä, S. Schoedder, G. Skarnemark, N. Trautmann, J. Äystö Shape Coexistence Near the Double-Midshell Nucleus 111 Rh Eur. Phys. J. A1, 285 (1998)

A. Türler, R. Dressler, B. Eichler, H.W. Gäggeler, D.T. Jost, M. Schädel, W. Brüchle, K.E. Gregorich, N. Trautmann, S. Taut Decay Properties of 265Sg (Z = 106) and 266Sg (Z = 106) Phys. Rev. C57, 1648 (1998)

N. Erdmann, V. Sebastian, V.N. Fedoseyev, M. Hannawald, G. Huber, T. Kautzsch, K.-L. Kratz, V.I. Mishin, M. Nunnemann, G. Passler, N. Trautmann Frequency Tripling for Resonance Ionization Spectroscopy (RIS) of Cd Appl. Phys. B66, 431 (1998)

N. Erdmann, M. Nunnemann, K. Eberhardt, G. Herrmann, G. Huber, S. Köhler, J.V. Kratz, G. Passler, J.R. Peterson, N. Trautmann, A. Waldek Determination of the First Ionization Potential of Nine Actinide Elements by Resonance Ionization Mass Spectroscopy (RIMS) J. Alloys and Compounds 271-273, 837 (1998)

J.R. Peterson, N. Erdmann, M. Nunnemann, K. Eberhardt, G. Huber, J.V. Kratz, G. Passler, O. Stetzer, P. Thörle, N. Trautmann, A. Waldek Determination of the First Ionization Potential of Einsteinium by Resonance Ionization Mass Spectroscopy (RIMS) J. Alloys and Compounds 271-273, 876 (1998)

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M. Nunnemann, N. Erdmann, H.-U. Hasse, G. Huber, J.V. Kratz, P. Kunz, A. Mansel, G. Passler, O. Stetzer, N. Trautmann, A. Waldek Trace Analysis of Plutonium in Environmental Samples by Resonance Ionization Mass Spectroscopy (RIMS) J. Alloys and Compounds 271-273, 45 (1998)

J.P. Omtvedt, J. Alstad, K. Eberhardt, K. Fure, R. Malmbeck, M. Mendel, A. Nähler, G. Skarnemark, N. Trautmann, N. Wiehl, B. Wierczinski Review of the SISAK System in Transactinide Research - Recent Developments and Future Prospects J. Alloys and Compounds 271-273, 303 (1998)

W. Nörtershäuser, N. Trautmann, K. Wendt, B.A. Bushaw 2 1 1 1 Isotope Shifts and Hyperfine Structure in the 4s S0 → 4s4p P1→ 4s4d D2 Transitions of Stable Calcium Isotopes and Calcium-41 Spectrochim. Acta B53, 709 (1998)

B. Wierczinski, J. Alstad, K. Eberhardt, J.V. Kratz, R. Malmbeck, M. Mendel, A. Nähler, J.P. Omtvedt, G. Skarnemark, N. Trautmann, N. Wiehl Application of Fast Solvent Extraction Processes to Studies of Exotic Nuclides J. Radioanalyt. Nucl. Chem. 236, 193 (1998)

K. Blaum, Ch. Geppert, P. Müller, W. Nörtershäuser, E.W. Otten, A. Schmitt, N. Trautmann, K. Wendt, B. Bushaw Properties and Perfomance of a Quadrupole Mass Filter Used for Resonance Ionization Mass Spectrometry Int. J. Mass Spectrometry 181, 67 (1998)

K. Blaum, B.A. Bushaw, C. Geppert, P. Müller, W. Nörtershäuser, A. Schmitt, N. Trautmann, K. Wendt Diode-Laser-Based Resonance Ionization Mass Spectrometry of Gadolinium in: Resonance Ionization Spectroscopy 1998, AIP Conference Proceedings 454 (J.C. Vickerman, I. Lyon, N.P. Lockyer, J.E. Parks eds.) p. 275, AIP Press, Woodbury, New York 1998

N. Erdmann, C. Grüning, N. Trautmann, A. Waldek, G. Huber, P. Kunz, M. Nunnemann, G. Passler Trace Analysis of Plutonium by Resonance Ionization Mass Spectroscopy in: Resonance Ionization Spectroscopy 1998, AIP Conference Proceedings 454 (J.C. Vickerman, I. Lyon, N.P. Lockyer, J.E. Parks eds.) p. 279, AIP Press, Woodbury, New York 1998

P. Müller, B.A. Bushaw, K. Blaum, W. Nörtershäuser, N. Trautmann, K. Wendt Ultratrace Determination of the Long-lived Isotope 41Ca by Narrowband CW-RIMS in: Resonance Ionization Spectroscopy 1998, AIP Conference Proceedings 454 (J.C. Vickerman, I. Lyon, N.P. Lockyer, J.E. Parks eds.) p. 73, AIP Press, Woodbury, New York 1998

W. Nörtershäuser, K. Blaum, B.A. Bushaw, P. Müller, N. Trautmann, K. Wendt Lineshapes and Optical Selectivity in Double-Resonance RIMS Measurements in: Resonance Ionization Spectroscopy 1998, AIP Conference Proceedings 454 (J.C. Vickerman, I. Lyon, N.P. Lockyer, J.E. Parks eds.) p. 171, AIP Press, Woodbury, New York 1998

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G. Passler, N. Nunnemann, G. Huber, R. Deißenberger, N. Erdmann, S. Köhler, J.V. Kratz, N. Trautmann, A. Waldek, J.R. Peterson Determination of the First Ionization Potential of Nine Actinide Elements by Resonance Ionization Mass Spectroscopy in: Resonance Ionization Spectroscopy 1998, AIP Conference Proceedings 454 (J.C. Vickerman, I. Lyon, N.P. Lockyer, J.E. Parks eds.) p. 183, AIP Press, Woodbury, New York 1998

M. Schädel, W. Brüchle, E. Jäger, B. Schausten, G. Wirth, W. Paulus, R. Günther, K. Eberhardt, J.V. Kratz, A. Seibert, E. Strub, P. Thörle, N. Trautmann, A. Waldek, S. Zauner, D. Schumann, U. Kirbach, B. Kubica, R. Misiak, Y. Nagame, K.E. Gregorich Aqueous Chemistry of Seaborgium (Z = 106) Radiochim. Acta 83, 163 (1998)

K. Wendt, K. Blaum, B.A. Bushaw, C. Grüning, R. Horn, G. Huber, J.V. Kratz, P. Kunz, P. Müller, W. Nörtershäuser, M. Nunnemann, G. Passler, A. Schmitt, N. Trautmann, A. Waldek Recent Developments in and Applications of Resonance Ionization Mass Spectrometry Fresenius J. Anal. Chem. 364, 471 (1999)

A. Türler, W. Brüchle, R. Dressler, B. Eichler, R. Eichler, H.W. Gäggeler, M. Gärtner, J.-P. Glatz, K.E. Gregorich, S. Hübener, D.T. Jost, V. Ya. Lebedev, V.G. Pershina, M. Schädel, S. Taut, S.N. Timokhin, N. Trautmann, A. Vahle, A.B. Yakushev Erste experimentelle Bestimmung einer thermochemischen Größe einer Seaborgiumverbindung Angew. Chem. 111, 2349 (1999)

A. Türler, W. Brüchle, R. Dressler, B. Eichler, R. Eichler, H.W. Gäggeler, M. Gärtner, J.-P. Glatz, K.E. Gregorich, S. Hübener, D.T. Jost, V. Ya. Lebedev, V.G. Pershina, M. Schädel, S. Taut, S.N. Timokhin, N. Trautmann, A. Vahle, A.B. Yakushev First Measurement of a Thermochemical Property of a Seaborgium Compound Angew. Chem. Int. Ed. 38, 2212 (1999)

K. Wendt, K. Blaum, B.A. Bushaw, P. Müller, W. Nörtershäuser, A. Schmitt, N. Trautmann Laser Mass Spectrometry for Selective Ultratrace Determination J. Korean Phys. Soc. 35, 143 (1999)

G. Montavon, A. Mansel, A. Seibert, H. Keller, J.V. Kratz, N. Trautmann 2+ Complexation Studies of UO2 with Humic Acid at Low Metal Ion Concentrations by Indirect Speciation Methods Radiochim. Acta 88, 17 (2000)

K. Wendt, K. Blaum, S. Diel, C. Geppert, A. Kuschnick, P. Müller, N. Trautmann, W. Nörtershäuser, B.A. Bushaw Selective Ultratrace Analysis of 41Ca by Laser Resonance Ionization Hyperfine Interactions 127, 519 (2000)

H. Backe, A. Dretzke, M. Hies, G. Kube, H. Kunz, W. Lauth, M. Sewtz, N. Trautmann, R. Repnow, H.J. Maier Isotope Shift Measurement at 244fAm Hyperfine Interactions 127, 35 (2000)

N. Erdmann, M. Betti, O. Stetzer, G. Tamborini, J.V. Kratz, N. Trautmann, J. van Geel Production of Monodisperse Uranium Oxide Particles and their Characterization by Scanning Electron Microscopy and Secondary Ion Mass Spectrometry Spectrochimica Acta B55, 1565 (2000)

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P. Müller, K. Blaum, B.A. Bushaw, S. Diel, Ch. Geppert, A. Nähler, W. Nörtershäuser, N. Trautmann, K. Wendt Trace Detection of 41Ca in Nuclear Reactor Concrete by Diode-Laser-Based Resonance Ionization Mass Spectrometry Radiochimica Acta 88, 487 (2000)

K. Wendt, N. Trautmann, B.A. Bushaw Resonant Ionization Mass Spectrometry – An Alternative to AMS? Nucl. Instr. Meth. Phy. Res. B172, 162 (2000)

G. Buckau, P. Hooker, V. Moulin, K. Schmeide, A. Maes, P. Warwick, Ch. Moulin, J. Pieri, N. Bryan, L. Carlson, D. Klotz, N. Trautmann Main Conclusions of the EC-Humics Project: Effects of Humic Substances on the Migration of Radionuclides: Complexation and Transport of Actinides in: Humic Substances, Versatile Components of Plants, Solids and Water (E.A. Ghabbour and G. Davies, eds.), p. 235-260. The Royal Society of Chemistry, 2000

R. Artinger, C.M. Marquardt, J.I. Kim, A. Seibert, N. Trautmann, J.V. Kratz Humic Colloid-Borne Np Migration: Influence of the Oxidation State Radiochim. Acta 88, 609 (2000)

B. Wierczinski, K.E. Gregorich, B. Kadkhodayan, D.M. Lee, L.G. Beauvais, M.B. Hendricks, C.D. Kacher, M.R. Lane, D.A. Keeney-Shaughnessy, N.J. Stoyer, D.A. Strellis, E.R. Sylwester, P.A. Wilk, D.C. Hoffman, R. Malmbeck, G. Skarnemark, J. Alstad, J.P. Omtvedt, K. Eberhardt, M. Mendel, A. Nähler, N. Trautmann First Chemical On-Line Separation and Detection of a Subsecond α-Decaying Nuclide, 224Pa J. Radioanal. Nucl. Chem. 247, 57 (2001)

H. Backe, A. Dretzke, D. Habs, M. Hies, G. Kube, H. Kunz, W. Lauth, H.J. Maier, R. Repnow, M. Sewtz, N. Trautmann Stability of Superdeformation for Americium Fission Isomers as Function of the Neutron Number Nucl. Phys. A690, 215c (2001)

A. Seibert, A. Mansel, C.M. Marquardt, H. Keller, J.V. Kratz, N. Trautmann Complexation Behaviour of Neptunium with Humic Acid Radiochim. Acta 89, 505 (2001)

K. Eberhardt, P. Thörle, A. Nähler, N. Trautmann Preparation of Actinide Targets by Electrodeposition for Heavy-Ion Studies and Laserspectroscopic Investigations in: CAARI 2000 AIP Conference Proceedings 576, 1144 (2001)

R. Malmbeck, C. Apostolidis, R. Carlos, J.-P. Glatz, R. Molinet, A. Morgenstern, A. Nicholl, G. Pagliosa, K. Römer, M. Schädel, B. Sätmark, N. Trautmann Separation of 248Cm from a 252Cf Neutron Source for Production of Cm Targets Radiochim. Acta 89, 543 (2001)

P. Müller, B.A. Bushaw, K. Blaum, S. Diel, Ch. Geppert, A. Nähler, N. Trautmann, W. Nörtershäuser, K. Wendt 41Ca Ultratrace Determination with Isotopic Selectivity > 1012 by Diode-Laser-Based RIMS Fresenius J. Anal. Chem. 370, 508 (2001)

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C. Grüning, G. Huber, J.V. Kratz, G. Passler, N. Trautmann, A. Waldek, K. Wendt Determination of Trace Amounts of Plutonium in Environmental Samplex by RIMS Using a High Repetition Rate Solid State Laser System in: Resonance Ionization Spectroscopy 2000, AIP Conference Proceedings 584 (J.E. Parks, J.P. Young eds.) p. 255, American Institute of Physics, Melville, New York 2001

P. Müller, K. Blaum, B.A. Bushaw, S. Diel, Ch. Geppert, N. Trautmann, K. Wendt 41Ca Ultratrace Determination by Diode-Laser-Based RIMS in: Resonance Ionization Spectroscopy 2000, AIP Conference Proceedings 584 (J.E. Parks, J.P. Young eds.) p. 155, American Institute of Physics, Melville, New York 2001

A. Waldek, N. Erdmann, C. Grüning, G. Huber, P. Kunz, J.V. Kratz, J. Lassen, G. Passler, N. Trautmann RIMS Measurements for the Determination of the First Ionization Potential of the Actinides Actinium up to Einsteinium in: Resonance Ionization Spectroscopy 2000, AIP Conference Proceedings 584 (J.E. Parks, J.P. Young eds.) p. 219, American Institute of Physics, Melville, New York 2001

S. Hübener, S. Taut, A. Vahle, R. Dressler, B. Eichler, H.W. Gäggeler, D.T. Jost, D. Piguet, A. Türler, W. Brüchle, E. Jäger, M. Schädel, E. Schimpf, U. Kirbach, N. Trautmann, A.B. Yakushev Physico-Chemical Characterization of Seaborgium as Oxide Hydroxide Radiochim. Acta 89, 737 (2001)

K.D.A. Wendt, C. Geppert, M. Miyabe, P. Müller, W. Nörtershäuser, N. Trautmann Ultratrace Isotope Determination in Environmental, Bio-Medical and Fundamental Research by High Resolution Laser-Mass Spectrometry J. Nucl. Science Techn. 39, 303 (2002)

R. Niessner, J. Broeckart, J.W. Einax, H. Emons, W. Engewald, K. Heumann, D. Knopp, R. Krska, U. Panne, U. Pyell, R. Salzer, F. Scheller, W. Stocklein, N. Trautmann, M. Weller Trend Report on Analytic Chemistry 2000/2001 Nachrichten aus der Chemie 50, 483 (2002)

J.P. Omtvedt, J. Alstad, H. Breivik, J.E. Dyve, K. Eberhardt, C.M. Folden III, T. Ginter, K.E. Gregorich, E.A. Hult, M. Johansson, U.W. Kirbach, D.M. Lee, M. Mendel, A. Nähler, V. Ninov, L.A. Omtvedt, J.B. Patin, G. Skarnemark, L. Stavsetra, R. Sudowe, N. Wiehl, B. Wierczinski, P.A. Wilk, P.M. Zielinski, J.V. Kratz, N. Trautmann, H. Nitsche, D.C. Hoffman SISAK Liquid-Liquid Extraction Experiments with Preseparated 257Rf J. Nucl. Radiochim. Sciences 3, 121 (2002)

Ch. E. Düllmann, W. Brüchle, R. Dressler, K. Eberhardt, B. Eichler, R. Eichler, H.W. Gäggeler, T.N. Ginter, F. Glaus, K.E. Gregorich, D.C. Hoffman, E. Jäger, D.T. Jost, U.W. Kribach, D.M. Lee, H. Nitsche, J.B. Patin, V. Pershina, D. Piguet, Z. Qin, M. Schädel, B. Schausten, E. Schimpf, H.-J. Schött, S. Soverna, R. Sudowe, P. Thörle, S. N. Timokhin, N. Trautmann, A. Türler, A. Vahle, G. Wirth, A.B. Yakushev, P.M. Zielinski Chemical Investigation of Hassium (Hs, Element 108) Nature 418, 859 (2002)

H. Backe, A. Dretzke, K. Eberhardt, S. Fritzsche, C. Grüning, G. Gwinner, R. G. Haire, G. Huber, J.V. Kratz, G. Kube, P. Kunz, J. Lassen, W. Lauth, G. Passler, R. Repnow, D. Schwalm, P. Schwamb, M. Sewtz, P. Thörle, N. Trautmann, A. Waldek First Determination of the Ionization Potential of Actinium and First Observation of Optical Transitions in Fermium J. Nucl. Sci. Tech., Suppl. 3, 86 (2002)

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K. Eberhardt, J. Alstad, H.O. Kling, J.V. Kratz, G. Langrock, J.P. Omtvedt, G. Skarnemark, L. Stavsetra, U. Tharun, N. Trautmann, N. Wiehl, B. Wierczinski Digital Pulse Shape Analysis in Liquid Scintillation Measurements after Continuous Chemical Separations in: LSC 2001, Advances in Liquid Scintillation Spectrometry (S. Möbius, J.E. Noakes, F. Schönhofer eds.) p. 19, Radiocarbon, The University of Arizona, Tucson 2002

M. Sewtz, H. Backe, A. Dretzke, G. Kube, W. Lauth, P. Schwamb, K. Eberhardt, C. Grüning, P. Thörle, N. Trautmann, P. Kunz, J. Lassen, G. Passler, C.Z. Dong, S. Fritzsche, R.G. Haire First Observation of Atomic Levels for the Element Fermium (Z = 100) Phys. Rev. Lett. 90, 163002 (2003)

K.D.A. Wendt, K. Blaum, Ch. Geppert, R. Horn, G. Passler, N. Trautmann, B.A. Bushaw Laser Resonance Ionization for Efficient and Selective Ionization of Rare Species Nucl. Instr. Meth. Phys. Res. B204, 325 (2003)

M. Sewtz, H. Backe, C.Z. Dong, A. Dretzke, K. Eberhardt, S. Fritzsche, C. Grüning, R.G. Haire, G. Kube, P. Kunz, J. Lassen, W. Lauth, G. Passler, P. Schwamb, P. Thörle, N. Trautmann, Resonance Ionization Spectroscopy of Fermium (Z = 100) Spectrochim. Acta B58, 1077 (2003)

R. Eichler, S. Soverna, W. Brüchle, R. Dressler, C.E. Düllmann, B. Eichler, H.W. Gäggeler, E. Jäger, D. Piquet, M. Schädel, E. Schimpf, P. Thörle, N. Trautmann, A. Türler, A.B. Yakushev, Z. Qin Perspective for the Determination of Chemical Properties of Element 112 Phys. Atomic Nuclei 66, 1146 (2003)

Ch. E. Düllman, R. Dressler, B. Eichler, H.W. Gäggeler, F. Glaus, D.T. Jost, D. Piguet, S. Soverna, A. Türler, W. Brüchle, R. Eichler, E. Jäger, V. Pershina, M. Schädel, B. Schausten, E. Schimpf, H.-J. Schött, G. Wirth, K. Eberhardt, P. Thörle, N. Trautmann, T.N. Ginter, K.E. Gregorich, D.C. Hoffman, U.W. Kirbach, D.M. Lee, H. Nitsche, J.B. Patin, R. Sudowe, P.M. Zielinski, S.N. Timokhin, A.B. Yakushev, A. Vahle, Z. Qin First Chemical Investigation of Hassium (Hs, Z = 108) Czech J. Phys. 53, A291 (2003)

A. Türler, Ch.E. Düllmann, H.W. Gäggeler, U.W. Kirbach, A.B. Yakusehv, M. Schädel, W. Brüchle, R. Dressler, K. Eberhardt, B. Eichler, R. Eichler, T.N. Ginter, F. Glaus, K.E. Gregorich, D.C. Hoffman, E. Jäger, D.T. Jost, D.M. Lee, H. Nitsche, J.B. Patin, V. Pershina, D. Piquet, Z. Qin, B. Schausten, E. Schimpf, H.-J. Schött, S. Soverna, R. Sudowe, P. Thörle, S.N. Timokhin, N. Trautmann, A. Vahle, G. Wirth, P. Zielinski On the Decay Properties of 269Hs and Indication for the New Nuclide 270Hs Eur. Phys. J. A17, 505 (2003)

G. Huber, G. Passler, K. Wendt, J.V. Kratz, N. Trautmann Radioisotope Mass Spectrometry in: Handbook of Radioactivity Analysis, Second Edition (M.F. L’Annunziata, ed.), Academic Press, Elsevier Science, San Diego, 2003, 799-843

Ch. E. Düllmann, B. Eichler, R. Eichler, H.W. Gäggeler, D.T. Jost, U. Kindler, D. Piguet, S. Soverna, P. Thörle, N. Trautmann, A. Türler Miss Piggy, a Californium-252 Fission Fragment Source as a Generator of Short-lived Radionuclides Nucl. Instr. Meth. Phys. Res. A512, 595 (2003)

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E. Schirrmacher, R. Schirrmacher, C. Beck, W. Mier, N. Trautmann, F. Rösch 3 Synthesis of a Tyr -Octreotate Conjugated Closo-Carborane [HC2B10H10]: a Potential Compound for Boron Neutron Capture Therapy Tetrahedron Lett. 44, 9143 (2003)

B. Kuczewski, C.M. Marquardt, A. Seibert, H. Geckeis, J.V. Kratz, N. Trautmann Separation of Plutonium and Neptunium Species by Capillary Electrophoresis – Inductively Coupled Plasma-Mass Spectrometry and Application to Natural Groundwater Samples Anal. Chem. 75, 6769 (2003)

G.R.K. Naidu, N. Trautmann, S. Zauner, T. Balaji, K.S. Rao Mulitelemental Anaylsis of Soils by Instrumental Neutron Activation Analysis J. Radioanaly. Nucl. Chem. 258, 421 (2003)

N. Trautmann, G. Passler, K.D.A. Wendt Ultratrace Analysis and Isotope Ratio Mesurements of Long-lived Radioisotopes by Resonance Ionization Mass Spectrometry (RIMS) Anal. Bioanal. Chem. 378, 348 (2004)

K. Eberhardt, M. Schädel, E. Schimpf, P. Thörle, N. Trautmann Preparation of Targets by Electrodeposition for Heavy Element Studies Nucl. Instr. Meth. Phys. Res. A521, 208 (2004)

C. Grüning, G. Huber, P. Klopp, J.V. Kratz, P. Kunz, G. Passler, N. Trautmann, A. Waldek, K. Wendt Resonance Ionization Mass Spectrometry for Ultratrace Analysis of Plutonium with a New Solid State Laser System Int. J. Mass Spectrometry 235, 171 (2004)

P. Kunz, G. Huber, G. Passler, N. Trautmann Efficient Three-step, Two-color Ionization of Plutonium Using a Resonance Enhanced 2-Photon Transition into an Autoionizing State Eur. Phys. J. D29, 183 (2004)

O. Stetzer, M. Betti, J. van Geel, N. Erdmann, J.V. Kratz, R. Schenkel, N. Trautmann Determination of the U-235 Content in Uranium Oxide Particles by Fission Track Analysis Nucl. Instr. Meth. Phys. Res. A525, 582 (2004)

J. Maul, T. Berg, K. Eberhardt, I. Hoog, G. Huber, S. Karpuk, G. Passler, I. Strachnov, N. Trautmann, K. Wendt A Laser Desorption / Resonance Enhanced Photoionisation TOF-System for the Spatially Resolved Trace Analysis of Elements Nucl. Instr. Meth. Phys. Res. B226, 644 (2004)

H.W. Gäggeler, W. Brüchle, Ch.E. Düllmann, R. Dressler, K. Eberhardt, B. Eichler, R. Eichler, C.M. Folden, T.N. Ginter, F. Glans, K.E. Gregorich, F. Hauessler, D.C. Hoffman, E. Jäger, D.T. Jost, U.W. Kirbach, J.V. Kratz, H. Nitsche, J.B. Patin, V. Pershina, D. Piguet, Z. Qin, U. Rieth, M. Schädel, E. Schimpf, B. Schausten, S. Soverna, R. Sudowe, P. Thörle, N. Trautmann, A. Türler, A. Vahle, P.A. Wilk, G. Wirth, A.B. Yakushev, A. von Zweidorf Chemical and Nuclear Studies of Hassium and Element 112 Nucl. Phys. A734, 208 (2004)

A. von Zweidorf, R. Angert, W. Brüchle, S. Bürger, K. Eberhardt, R. Eichler, H. Hummrich, E. Jäger, H.-O. Kling, J.V. Kratz, B. Kuczewski, G. Langrock, M. Mendel, U. Rieth, M. Schädel, B. Schausten, E. Schimpf, P. Thörle, N. Trautmann, K. Tsukada, N. Wiehl, G. Wirth Evidence for the Formation of Sodium Hassate (VIII) Radiochim. Acta 92, 855 (2004) - 30 -

J.V. Kratz, N. Trautmann, G. Huber, G. Passler, K. Wendt Laser Mass Spectrometry Analytical applications of nuclear techniques, International Atomic Energy Agency, Vienna, ISBN 92-0-114703-1, 33 (2004)

K. Wendt, N. Trautmann Recent Developments in Isotope Ratio Measurements by Resonance Ionization Mass Spectrometry Int. J. Mass Spectrometry 242, 161 (2005)

K.D.A. Wendt, K. Blaum, C. Geppert, P. Müller, W. Nörtershäuser, A. Schmitt, P. Schumann, N. Trautmann, B.A. Bushaw Laser Based Techniques for Ultra Trace Isotope Production, Spectroscopy, and Detection Hyperfine Interactions 162, 147 (2005)

J. Maul, K. Eberhardt, G. Huber, S. Karpuk, G. Passler, M.C. Roca-Saiz, I. Strachnov, N. Trautmann, K. Wendt Multi-color Resonance Ionization of Laser Ablated Gadolinium at High Laser Power Optics Communications 256, 364 (2005)

P. Kunz, G. Huber, G. Passler, N. Trautmann, K. Wendt Resonance Ionization Mass Spectrometry (RIMS) with Pulsed and cw-Lasers on Plutonium Hyperfine Interactions 162, 159 (2005)

H. Backe, A. Dretzke, S. Fritzsche, R.G. Haire, P. Kunz, W. Lauth, M. Sewtz, N. Trautmann Laser Spectroscopic Investigation of the Element Fermium (Z = 100) Hyperfine Interactions 162, 3 (2005)

H. Backe, A. Dretzke, R. Horn, T. Kolb, W. Lauth, R. Repnow, M. Sewtz, N. Trautmann Ion Mobility Measurements and Ion Chemical Reaction Studies at Heavy Elements in a Buffer Gas Cell Hyperfine Interactions 162, 77 (2005)

R. Eichler, W. Brüchle, R. Buda, S. Bürger, R. Dressler, Ch.E. Düllmann, J. Dvorak, K. Eberhardt, B. Eichler, C.M. Folden III, H.W. Gäggeler, K.E. Gregorich, F. Haenssler, D.C. Hoffman, H. Hummrich, E. Jäger, J.V. Kratz, B. Kuczewski, D. Liebe, D. Nayak, H. Nitsche, D. Piguet, Z. Qin, U. Rieth, M. Schädel, B. Schausten, E. Schimpf, A. Semchenkov, S. Soverna, R. Sudowe, N. Trautmann, P. Thörle, A. Türler, B. Wierczinski, N. Wiehl, P.A. Wilk, G. Wirth, A.B. Yakushev, A. von Zweidorf Attempts to Chemically Investigate Element 112 Radiochim. Acta 94, 181 (2006)

St. Bürger, R.A. Buda, H. Geckeis, G. Huber, J.V. Kratz, P. Kunz, C. Lierse von Gostomski, G. Passler, A. Remmert, N. Trautmann Isotope Selective Ultratrace Analysis of Plutonium for Environmental Studies by Laser Mass Spectrometry in: Radioactivity in the Environment, Volume 8, (P.P. Povinec, J.A. Sanchez-Cabeza, eds.), Elsevier Ltd, 581 (2006)

G. Hampel, K. Eberhardt, N. Trautmann The Research Reactor TRIGA Mainz atw 51, 328 (2006)

E.F. Worden, J. Blaise, M. Fred, N. Trautmann, J.-F. Wyart Spectra and Electronic Structures of Free Actinide Atoms and Ions in: The Chemistry of the Actinide and Transactinide Elements, 3rd Edition (L.R. Morss, N. M. Edelstein, J. Fuger, J.J. Katz, eds.), Springer, Dordrecht, 2006, 1836-1892 - 31 -

J. Maul, I. Strachnov, K. Eberhardt, S. Karpuk, G. Passler, N. Trautmann, K. Wendt, G. Huber Spatially Resolved Ultra-trace Anaylsis of Elements Combining Resonance Ionization with a MALDI-TOF Spectrometer Anal. Bioanal. Chem. 386, 109 (2006)

N.L. Banik, R.A. Buda, S. Bürger, J.V. Kratz, B. Kuczewski, N. Trautmann Speciation of the Oxidation States of Np and Pu in Aqueous Solutions by CE-ICP-MS and CE-RIMS in: Recent Advances in Actinide Science (I. May, R. Alvares, N. Bryan, eds.), The Royal Society of Chemistry, Cambridge 53 (2006)

N. Erdmann, F.M. Engelberger, J.V. Kratz, N. Trautmann, G. Passler, M. Betti, P. Lievens, R.E. Silverans, E. Vandeweert Resonance Ionisation Mass Spectrometry for Element- and Isotope-Selective Trace Analysis of Actinides in Environmental Micro-Particles in: Recent Advances in Actinide Science (I. May, R. Alvares, N. Bryan, eds.), The Royal Society of Chemistry, Cambridge 122 (2006)

T. Reich, T. Ye. Reich, S. Amayri, J. Drebert, N.L. Banik, R.A. Buda, J.V. Kratz, N. Trautmann Application of XAFS Spectroscopy to Actinide Environmental Science in: X-ray Absorption Fine Structure – XAFS13, AIP Conference Proceedings 882 (B. Hedman, P. Pianetta eds.) p. 179-183, American Institute of Physics 2007

S. Bürger, N.L. Banik, R.A. Buda, J.V. Kratz, B. Kuczewski, N. Trautmann Speciation of the Oxidation States of Plutonium in Aqueous Solutions by UV/Vis Spectroscopy, CE-ICP-MS and CE-RIMS Radiochim. Acta 95, 433 (2007)

N.L. Banik, R.A. Buda, S. Bürger, J.V. Kratz, N. Trautmann Sorption of Tetravalent Plutonium and Humic Substances onto Kaolinite Radiochim. Acta 95, 569 (2007)

N.L. Banik, R.A. Buda, S. Bürger, J.V. Kratz, N. Trautmann Speciation and Interactions of Plutonium with Humic Substances and Kaolinite in Aquifer Systems J. Alloys and Compounds 444-445, 522 (2007)

A. Frei, Yu. Sobolev, I. Altarev, K. Eberhardt, A. Gschrey, E. Gutsmiedl, R. Hackl, G. Hampel, F.J. Hartmann, W. Heil, J.V. Kratz, Th. Lauer, A. Lizon Aguilar, A.R. Müller, S. Paul, Yu. Pokotilovski, W. Schmid, L. Tassini, D. Tortorella, N. Trautmann, U. Trinks, N. Wiehl First Production of Ultracold Neutrons with a Solid Deuterium Source at the Pulsed Reactor TRIGA Mainz Eur. Phys. J., A34, 119 (2007)

K. Eberhardt, N. Trautmann Neutron Activation Analysis at the TRIGA Mark II Research Reactor of the University of Mainz in: Utilization Related Design Features of Research Reactors: A Compendium, Technical Reports Series No. 455, International Atomic Energy Agency Vienna, 2007, 537-545

N. Erdmann, G. Passler, N. Trautmann, K. Wendt Resonance Ionization Mass Spectrometry for Trace Analysis of Long-lived Radionuclides in: Analysis of Environmental Radionuclides, Volume 11 (P.P. Povinec, ed.), Elsevier, Amsterdam, 2008, 331-354

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J. Ketelaer, J. Krämer, D. Beck, K. Blaum, M. Block, K. Eberhardt, G. Eitel, R. Ferrer, C. Geppert, S. George, F. Herfurth, J. Ketter, Sz. Nagy, D. Neidherr, R. Neugart, W. Nörtershäuser, J. Repp, C. Smorra, N. Trautmann, C. Weber TRIGA-SPEC: A Setup for Mass Spectrometry and Laser Spectroscopy at the Research Reactor TRIGA Mainz Nucl. Instr. Meth. A594, 162 (2008)

R.A. Buda, N.L. Banik, J.V. Kratz, N. Trautmann Studies of the Ternary Systems Humic Substances – Kaolinite – Pu(III) and Pu(IV) Radiochim. Acta 96, 657 (2008)

N. Erdmann, J.V. Kratz, N. Trautmann, G. Passler Resonance Ionization Mass Spectrometry of Ion Beam Sputtered Neutrals for Element- and Isotope-selective Analysis of Plutonium in Micro-particles Anal. Bioanal. Chem. 395, 1911 (2009)

C. Mattolat, T. Gottwald, S. Raeder, S. Rothe, F. Schwellnus, K. Wendt, P. Thörle-Pospiech, N. Trautmann Determination of the First Ionization Potential of Technetium Phys. Rev. A81, 052513 (2010)

S. Raeder, N. Stöbener, T. Gottwald, G. Passler, T. Reich, N. Trautmann, K. Wendt Determination of a Three-Step Excitation and Ionization Scheme for Resonance Ionization and Ultratrace Analysis of Np-237 Spectrochim. Acta B66, 242 (2011)

S. Raeder, V. Sonnenschein, T. Gottwald, I.D. Moore, M. Reponen, S. Rothe, N. Trautmann, K. Wendt Resonance Ionization Spectroscopy of Thorium Isotopes – Towards a Laser Spectroscopic Identification of the Low-lying 7.6 eV Isomer of 229Th J. Phys. B: At. Mol. Opt. Phys 44, 165005 (2011)

J. Roßnagel, S. Raeder, A. Hakimi, R. Ferrer, N. Tratumann, K. Wendt Determination oft he First Ionization Potential of Actinium Phys. Rev. A85, 012525 (2012)

S. Hofmann, S. Heinz, R. Mann, J. Maurer, J. Khuyagbaatar, D. Ackermann, S. Antalic, W. Barth, M. Block, H.G. Burkhard, V. F. Comas, L. Dahl, K. Eberhardt, J. Gostic, R.A. Henderson, J.A. Heredia, F.P. Heßberger, J.M. Kenneally, B. Kindler, I. Kojouharov, J.V. Kratz, R. Lang, M. Leino, B. Lommel, K.J. Moody, G. Münzenberg, S.L. Nelson, K. Nishio, A.G. Popeko, J. Runke, S. Saro, D.A. Shaughnessy, M.A. Stoyer, P. Thörle-Pospiech, K. Tinschert, N. Trautmann, J. Uusitalo, P.A. Wilk, and A.V. Yeremin The Reaction 48Ca + 248Cm → 296116 Studied at the GSI-SHIP Eur. Phys. J. A48, 62 (2012)