DOCSLIB.ORG

Project Research on Nuclear Spectroscopy and Condensed Matter Physics Using Short-Lived Nuclei

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Project Research on Nuclear Spectroscopy and Condensed Matter Physics Using Short-Lived Nuclei PR12 Project Research on Nuclear Spectroscopy and Condensed Matter Physics Using Short-Lived Nuclei Y. Ohkubo annealed in vacuum at various temperatures. They observed no clear signal of such complexes in the Research Reactor Institute, Kyoto University TDPAC spectra. However, the TDPAC spectra indicate that Ce and He form complexes having a variety of geometrical structures. Comparison with TDPAC results Objective and Participating Research Subjects reported by another research group on 111Cd arising from The main objectives of this project research are the 111In in He-doped stainless steel shows that the parent investigation of the nuclear structure of unstable atoms (La and Ba) of 140Ce trap He atoms more neutron-rich nuclei and also the local properties of efficiently than In atoms do, indicating stronger bonding materials using short-lived nuclei. of He to the former atoms, while different from the This period is the first year of the project. present case, 111Cd (In)‒He complexes form a unique Unfortunately, no experiments in all six research subjects geometrical structure. A part of the results are described of the project (26P12) were executed owing to the in the following second page. suspension of the reactor operation. Here, we report some S. Komatsuda et al. (PRS-3) investigated thermal results which were obtained in previous periods and have behavior and interacting nature of 100-ppm Al and already been published in journals. ~100-ppt In impurities doped in a semiconductor ZnO The research subjects (PRS) reported here are as by means of the TDPAC technique with the 111In(→ follows: 111Cd) probe. They observed the following contrasting interactions between Al and In impurities depending on PRS-1 Decay of 150Ce to 150Pr different atmospheric conditions: (1) in air, Al and In PRS-2 Interaction between He and Elements with A = impurities irreversibly associate with each other in the 140 in Fe process of thermal diffusion of these two species, but (2) PRS-3 Atmosphere Dependence of Stability of Local in vacuum, these bound states formed in air dissociate by Fields in Al-Doped ZnO heat treatment at temperature higher than 873 K, and the PRS-4 Extranuclear Dynamic Motion of 111Cd(← 111Ag) dissociation reaction is enhanced with increasing Doped in AgI Nanoparticles temperature. Considering that the dissociation is triggered by the oxygen vacancy formation near the locally Main Results and Contents of This Report associated In‒Al structure and using the TDPAC data obtained, they estimated the activation energy of the At KUR-ISOL (the on-line isotope separator installed oxygen‒vacancy formation to be 0.72(6) eV. A part of at the Kyoto University Research Reactor), Y. Kojima et the results are described in the following third page. al. (PRS-1) studied the decay of 150Ce having a Superionic conductivity observed for AgI emerges only half-life of 6.05(7) s produced by the thermal-neutron- at the high-temperature (≥ 420 K) phase because of induced fission of 235U. From -ray singles and ‒ temperature-dependent crystal structures, which is a coincidence measurements, they newly found 9 excited barrier to the practical applications of this compound. states and 37-rays and constructed a decay scheme Recently, this problem was attacked by a novel technique: containing 18 excited states and 55 -rays which include powder AgI coated with poly-N-vinyl-2-pyrrolidone the newly found excited states and -rays. They (PVP) can drastically enhance the ionic transport property concluded that the dominant -feeding at the 110-keV at room temperature. W. Sato et al. (PRS-4) studied 150 150 dynamic behavior of the extranuclear field relative to the excited state of Pr arising from the decay of Ce to 111 111 be an allowed unhindered spin-flip transition. They Cd(← Ag) probe nucleus incorporated in AgI, using furthermore proposed the Nilsson configurations of the the TDPAC method. For PVP-coated AgI nanoparticles, 150 they observed nuclear spin relaxation of the probe at ground state and the 110-keV excited state of Pr. A + part of the results are described in the next page. room temperature, which indicates that Ag ions in the In order to examine whether Ce (or rather, La and Ba) PVP-coated sample make hopping motion from site to and He form complexes having a definite geometrical site at this low temperature. From the TDPAC data structure in Fe as suggested in first-principles density obtained, they estimated the activation energy for the functional theory calculations, Y. Ohkubo et al. (PRS-2) dynamic motion to be 46(10) meV. A part of the results projected 100-keV 140Cs+ at KUR-ISOL and then 4-keV are described in the following fourth page. He+ using an ion beam gun into an Fe foil and took time-differential perturbed-angular-correlation (TDPAC) spectra at room-temperature of 140Ce arising through 140Ba-140La from 140Cs in He-doped Fe, unannealed and 採択課題番号 26P12 短寿命 RI を用いた核分光と核物性研究 プロジェクト （京大・原子炉）大久保嘉高 70 PR 12-1 decay of 150Ce to 150Pr Y. Kojima, K. Kosuga1, Y. Shima2, A. Taniguchi3, sition were deduced from peak counts observed in the H. Hayashi4 and M. Shibata singles spectrum or in coincident spectrum. Multipolari- ties of three -rays were also estimated from the intensity Radioisotope Research Center, Nagoya University ratio between KX and -ray peaks observed in the coin- 1 School of Engineering, Nagoya University cident spectrum: M1/E2 for the 103- and 154-keV -rays, 2 Graduate School of Engineering, Nagoya University and E1 for the 110-keV -ray. 3Research Reactor Institute, Kyoto University 4 Finally, the I and log-ft values were calculated from the Institute of Biomedical Science, The University of To- transition intensity ( and conversion electron) imbalance kushima Graduate School for each excited level. A small log-ft value of 4.9 was observed for the 110-keV level. It leads to spin-parity J + = 1 for this level. INTRODUCTION: Decay data provide valuable in- DISCUSSION: The very intense -feeding to the formation about unstable nuclides. In particular, the - 110-keV level is an allowed transition, and should be branching ratio I is one the most important properties explained by selection rules for -decays of deformed from the nuclear structure viewpoint. For even-even 150Ce, nuclei [6]. Near the Nilsson orbitals observed in the Fogelberg et al. briefly reported an intense -transition to 150 neighboring nuclides, only the spin-flip transition be- the 110-keV level in Pr [1]. If this -feeding is an al- tween 3/2[532] and 5/2[532] satisfies the selection lowed unhindered transition, it will lead to the assign- rules. Thus, this -transition is interpreted as one of the ment of the Nilsson orbital for 150Pr. However, it is un- coupled neutron in 3/2[532] orbital in 150Ce changing to certain whether this transition is firmly an allowed un- a proton in the vacant 5/2[532] orbital in 150Pr. This con- hindered transition because of the following reasons. + First, ref. [1] did not provide detailed experimental data figuration yields J = 1 , and agrees with our spin-parity 150 150 assignment. The configuration of 5/2+[413]-3/2[521] on Ce. Second, the other published data for Ce are 150 very scarce and partly inconsistent with each other [2,3]. was also proposed for the ground state of Pr from the In the present work, decay studies on 150Ce have been systematics of the neighboring nuclides and from cou- pling rules. performed using the on-line isotope separator at KUR 150 (KUR-ISOL) [4] to investigate low-energy level struc- CONCLUSIONS: A detailed decay scheme of Ce, tures in150Pr. Note that this work was recently published which includes 37 new -rays and 9 new excited levels, [5]. This report is an outline of the paper. was proposed from -ray measurements. On the basis of EXPERIMENTS: The 150Ce nuclides were produced the systematics and observation of the allowed spin-flip by the thermal neutron induced fission of 235U. The transition, the Nilsson configurations were newly pro- 150 mass-separated source was periodically moved to a de- posed for the ground and 110-keV level in Pr. tector port with time intervals of 12.2 s. Time-dependent -ray singles and coincidence meas- 2000 urements were performed with two Ge detectors in a KX 100 measurement period of 46 h. The energy and efficiency 180 231 1000 789 calibrations were made using standard -ray sources. 688 106 558 62, 63 169 x5 200 279.2 Counts RESULTS: The half-life and coincidence relationships 380 with the Pr KX-ray were analyzed to assign the parent 0 0 2000 4000 6000 nuclide of each -ray observed in this work. From these Channel number (0.125 keV/ch) analyses, 57 -rays including 39 new -transitions were 150 Fig. 1. A -ray spectrum gated on the 110-keV found to be due to the decay of Ce. 150 -transition. Coincident -rays are indicated with Energy spectra gated on the-rays from Ce were ana- their energies in units of keV. lyzed to establish -ray cascade relations. For example, Fig. 1 is a spectrum gated on the 110-keV -ray. This REFERENCES: spectrum shows that the 110-keV -ray is coincident with [1] B. Fogelberg et al., Nucl. Phys. A 453 (1986) 15-25. 13 -rays. From these cascade relations and also from [2] K. Yamauchi et al., KURRI-KR-3 (1996), pp.51-53 energy sum rules, the excited levels in 150Pr and the -ray (in Japanese). placements were unambiguously proposed. The decay [3] K. S. Basu et al., Nucl. Data Sheets 114 (2013) 435. scheme includes 18 excited levels.
Load more

Recommended publications
  • Department of Nuclear Science and Engineering
    DEPARTMENT OF NUCLEAR SCIENCE AND ENGINEERING DEPARTMENT OF NUCLEAR SCIENCE AND nuclear power today, and more than 40 others have recently ENGINEERING expressed an interest in developing new nuclear energy programs. Nuclear power is the only low-carbon energy source that is both inherently scalable and already generating a signicant share of the The Department of Nuclear Science and Engineering (NSE) provides world's electricity supplies. Fission technology is entering a new era undergraduate and graduate education for students interested in in which upgraded existing plants, next-generation reactors, and developing new nuclear technologies for the benet of society and new fuel cycle technologies and strategies will contribute to meeting the environment. the rapidly growing global demand for safe and cost-competitive low- carbon electricity supplies. This is an exciting time to study nuclear science and engineering. There is an upsurge of innovative activity in the eld, including a Fission energy research in the Nuclear Science and Engineering drastic increase in nuclear start-up companies, as energy resource department is focused on developing advanced nuclear reactor constraints, security concerns, and the risks of climate change are designs for electricity, process heat, and fluid fuels production creating new demands for safe, secure, cost-competitive nuclear that include passive safety features; developing innovative energy systems. At the same time, powerful new tools for exploring, proliferation-resistant fuel cycles; extending the life of nuclear measuring, modeling, and controlling complex nuclear and radiation fuels and structures; and reducing the capital and operating costs processes are laying the foundations for major advances in the of nuclear energy systems.
    [Show full text]
  • Role of Nuclear Based Techniques in Development and Characterization of Materials for Hydrogen Storage and Fuel Cells
    and Fuel Cells Characterization in Development and IAEA-TECDOC-1676 of Materials for Hydrogen Storage Role of Nuclear Based Techniques Role of IAEA-TECDOC-1676 n ROLE OF NUCLEAR BASED TECHNIQUES IN DEVELOPMENT AND CHARACTERIZATION OF MATERIALS FOR HYDROGEN STORAGE AND FUEL CELLS 125410–8 VIENNA ISSN 1011–4289 ISBN 978–92–0– INTERNATIONAL ATOMIC AGENCY ENERGY ATOMIC INTERNATIONAL Role of Nuclear Based Techniques in Development and Characterization of Materials for Hydrogen Storage and Fuel Cells The following States are Members of the International Atomic Energy Agency: AFGHANISTAN GHANA NIGERIA ALBANIA GREECE NORWAY ALGERIA GUATEMALA OMAN ANGOLA HAITI PAKISTAN ARGENTINA HOLY SEE PALAU ARMENIA HONDURAS PANAMA AUSTRALIA HUNGARY PARAGUAY ICELAND AUSTRIA PERU AZERBAIJAN INDIA PHILIPPINES BAHRAIN INDONESIA POLAND BANGLADESH IRAN, ISLAMIC REPUBLIC OF PORTUGAL BELARUS IRAQ QATAR BELGIUM IRELAND REPUBLIC OF MOLDOVA BELIZE ISRAEL BENIN ITALY ROMANIA BOLIVIA JAMAICA RUSSIAN FEDERATION BOSNIA AND HERZEGOVINA JAPAN SAUDI ARABIA BOTSWANA JORDAN SENEGAL BRAZIL KAZAKHSTAN SERBIA BULGARIA KENYA SEYCHELLES BURKINA FASO KOREA, REPUBLIC OF SIERRA LEONE BURUNDI KUWAIT SINGAPORE CAMBODIA KYRGYZSTAN SLOVAKIA CAMEROON LAO PEOPLES DEMOCRATIC SLOVENIA REPUBLIC CANADA SOUTH AFRICA LATVIA CENTRAL AFRICAN SPAIN REPUBLIC LEBANON SRI LANKA CHAD LESOTHO SUDAN CHILE LIBERIA SWEDEN CHINA LIBYA SWITZERLAND COLOMBIA LIECHTENSTEIN SYRIAN ARAB REPUBLIC CONGO LITHUANIA COSTA RICA LUXEMBOURG TAJIKISTAN CÔTE DIVOIRE MADAGASCAR THAILAND CROATIA MALAWI THE FORMER YUGOSLAV REPUBLIC
    [Show full text]
  • 1 Topological Materials with Complex Long-Range Order Dr. James G. Analytis, Assistant Professor Department of Physics Universit
    DOE Office of Science Early Career Research Program Awardee Abstracts Fiscal Year 2015 Topological Materials with Complex Long‐Range Order Dr. James G. Analytis, Assistant Professor Department of Physics University of California, Berkeley Berkeley, CA 94720 The objective of this research is to study exotic metallic behavior in frustrated quantum magnets. These materials are closely associated with quantum spin liquids, an exotic state of matter characterized by strong quantum entanglement. Such systems will in general form complex ordered ground states that involve multiple broken symmetries including time‐reversal, inversion and translational symmetry. Metallic states that coexist in this complex magnetic background are thought to inherit some of the characteristics of these ground states, leading to novel transport phenomena that can be sensitively tuned by external stimuli such as applied magnetic, electric and strain fields. This works seeks to understand and manipulate the properties of these exotic materials. This research was selected for funding by the Office of Basic Energy Sciences. 1 DOE Office of Science Early Career Research Program Awardee Abstracts Fiscal Year 2015 Probing Ion Solvation and Charge Transfer at Electrochemical Interfaces Using Nonlinear Soft X Ray Spectroscopy Dr. Lawrence R. Baker, Assistant Professor Department of Chemistry Ohio State University Columbus, OH 43210 Direct observation of ion solvation and charge transfer at electrode–electrolyte interfaces will provide important new understanding of the physical processes that determine the efficiency of electrochemical energy conversion and storage. This project will use 2‐wave mixing of a soft x‐ray pulse created by high harmonic generation (HHG) with an optical laser pulse to probe ion coordination geometry and charge transfer at working electrode surfaces.
    [Show full text]
  • Nuclear Science and Engineering Education Sourcebook 2020
    Nuclear Science and Engineering Education Sourcebook 2020 U.S. Department of Energy Nuclear Science & Engineering Education Sourcebook 2020 North American Edition American Nuclear Society Education, Training, and Workforce Division US Department of Energy Office of Nuclear Energy Editor and Founder John Gilligan Professor of Nuclear Engineering North Carolina State University Assistant Editor Sherry Bailey North Carolina State University Version 8.20 *Front Cover Photo – Graphic from U.S. Department of Energy, Office of Nuclear Energy Website Welcome to the 2020 Edition of the Nuclear Science and Engineering Education (NS&EE) Sourcebook. We keep evolving and improving! The core mission of the Sourcebook has not changed, however. Our purpose is to facilitate interaction among faculty, students, industry, and government agencies to accomplish nuclear research, teaching and service activities. Since 1986 we have compiled critical information on nuclear engineering enrollments, degrees, and faculty expertise in printed and electronic formats. We currently use a web based input format that allows changes to the Sourcebook and the capability to do ranking and sort manipulations in a spreadsheet environment as the data is displayed. We will publish a PDF version of the Sourcebook. We will also include programs that are new and growing, which might include undergraduate curricula with a nuclear energy minor or graduate programs that offer a track or certificate option. We will list only faculty involved in the nuclear options in all of these cases. In general we list faculty that have at least a budgeted 25% appointment in nuclear activities. Other nuclear energy or related programs can be found under the listings for the University Reactors.
    [Show full text]
  • Seaborg Institute Postdocs Bringing New Ideas to Long-Standing Challenges in Transactinium Science Actinide Research Quarterly
    Second Quarter 2018 Seaborg Institute Postdocs Bringing new ideas to long-standing challenges in transactinium science Actinide Research Quarterly Preface In this quarter, we present research from nine recent Seaborg postdoctoral fellows, many of whom have continued their work at Los Alamos National Laboratory as scientists. This issue focuses on challenges in actinide science relating to materials, isotope detection, and nuclear forensics. Detecting and tracking nuclear materials through their physical signatures is vital for national security and operational safety, and several fellows have worked to tackle these issues. McIntosh (p7) has used a new analytical tool to successfully detect plutonium in fuel and soil samples, crucially demonstrating its versatility and nondestructive functionality. Campbell (p16) has also applied another nondestructive spectroscopic method for the detection of isotopes in uranium ores and simulated used nuclear fuels which is rapid and field-deployable. Malone discusses on p24 the undeveloped potential for magnetic resonance to revolutionize this field with advanced imaging techniques suitable for actinides. On p35, Barker outlines a fundamental approach to improving the detection of actinide ions using photoluminescence, showing considerable increases in efficiency. Nuclear forensics work by Bonamici (p2) on the historical Trinity explosion (featured on our front cover) is highlighted opposite. Plutonium is well known for its unique characteristics that make it challenging to work with and difficult to predict how it ages (for instance, in the nation’s nuclear stockpile) but keep scientists fascinated. For instance, the metal becomes denser when it is heated, and the constant emission of alpha particles from radioactive decay causes the element to self-heat and damages its crystal structure.
    [Show full text]
  • Experiments Towards Optical Nuclear Spectroscopy with Thorium-229
    Experiments Towards Optical Nuclear Spectroscopy With Thorium-229 Von der Fakult¨at f¨ur Mathematik und Physik der Gottfried Wilhelm Leibniz Universit¨at Hannover zur Erlangung des Grades Doktor der Naturwissenschaften Dr. rer. nat. genehmigte Dissertation von Dipl.-Phys. Kai Zimmermann geboren am 25. Dezember 1976 in Berlin 2010 Referent: PD Dr. Ekkehard Peik Korreferent: Prof. Dr. Ernst Rasel Tag der Promotion: 10.06.2010 Abstract The discovery of the low-lying isomeric nuclear state of 229Th at 7.6 0.5 eV above the ground state opened a new field of research as a bridge between± nuclear and atomic physics. Since indirect γ-spectroscopy techniques were applied for detection of the isomeric state, the direct observation of the nuclear photon emission is still pending. This thesis describes the steps towards the direct observation of 229mTh. The first conducted experiments examine measurements of atoms in the isomeric state 229mTh being produced in the α-decay of 233U. Recoil atoms were ejected from a thin 233U source, accumulated in an absorber and analyzed for the emission of UV and VUV photons. No evidence for the decay of the isomeric state was found. The observed background signal has been identified as Cherenkov radiation. The main part of this thesis describes the setup of a linear Paul trap with a high storage capacity that has been built and loaded with more than 8 104 Th+ ions using laser ablation loading. Laser ablation of thorium ions has been· shown using a pulsed nitrogen laser at a wavelength of 337 nm, a pulse energy of 170 µJ and a pulse width of 4 ns in a time-of-flight mass spectrometer.
    [Show full text]
  • Signal Processing and Electronics for Nuclear Spectrometry
    IAEA-TECDOC-1634 Signal Processing and Electronics for Nuclear Spectrometry Proceedings of a Technical Meeting Vienna, 20–23 November 2007 Signal Processing and Electronics for Nuclear Spectrometry The following States are Members of the International Atomic Energy Agency: AFGHANISTAN GHANA NIGERIA ALBANIA GREECE NORWAY ALGERIA GUATEMALA OMAN ANGOLA HAITI PAKISTAN ARGENTINA HOLY SEE PALAU ARMENIA HONDURAS PANAMA AUSTRALIA HUNGARY PARAGUAY AUSTRIA ICELAND PERU AZERBAIJAN INDIA PHILIPPINES BAHRAIN INDONESIA POLAND BANGLADESH IRAN, ISLAMIC REPUBLIC OF PORTUGAL BELARUS IRAQ QATAR BELGIUM IRELAND REPUBLIC OF MOLDOVA BELIZE ISRAEL ROMANIA BENIN ITALY RUSSIAN FEDERATION BOLIVIA JAMAICA SAUDI ARABIA BOSNIA AND HERZEGOVINA JAPAN SENEGAL BOTSWANA JORDAN SERBIA BRAZIL KAZAKHSTAN SEYCHELLES BULGARIA KENYA SIERRA LEONE BURKINA FASO KOREA, REPUBLIC OF SINGAPORE BURUNDI KUWAIT SLOVAKIA CAMEROON KYRGYZSTAN SLOVENIA CANADA LATVIA SOUTH AFRICA CENTRAL AFRICAN LEBANON SPAIN REPUBLIC LESOTHO SRI LANKA CHAD LIBERIA SUDAN CHILE LIBYAN ARAB JAMAHIRIYA SWEDEN CHINA LIECHTENSTEIN SWITZERLAND COLOMBIA LITHUANIA SYRIAN ARAB REPUBLIC CONGO LUXEMBOURG TAJIKISTAN COSTA RICA MADAGASCAR THAILAND CÔTE D’IVOIRE MALAWI THE FORMER YUGOSLAV CROATIA MALAYSIA REPUBLIC OF MACEDONIA CUBA MALI TUNISIA CYPRUS MALTA TURKEY CZECH REPUBLIC MARSHALL ISLANDS UGANDA DEMOCRATIC REPUBLIC MAURITANIA UKRAINE OF THE CONGO MAURITIUS UNITED ARAB EMIRATES DENMARK MEXICO UNITED KINGDOM OF DOMINICAN REPUBLIC MONACO GREAT BRITAIN AND ECUADOR MONGOLIA NORTHERN IRELAND EGYPT MONTENEGRO UNITED REPUBLIC EL SALVADOR MOROCCO OF TANZANIA ERITREA MOZAMBIQUE UNITED STATES OF AMERICA ESTONIA MYANMAR URUGUAY ETHIOPIA NAMIBIA UZBEKISTAN FINLAND NEPAL VENEZUELA FRANCE NETHERLANDS VIETNAM GABON NEW ZEALAND YEMEN GEORGIA NICARAGUA ZAMBIA GERMANY NIGER ZIMBABWE The Agency’s Statute was approved on 23 October 1956 by the Conference on the Statute of the IAEA held at United Nations Headquarters, New York; it entered into force on 29 July 1957.
    [Show full text]
  • Nupecc Long Range Plan 2017 Perspectives in Nuclear Physics MEMBERS of Nupecc
    NuPECC Long Range Plan 2017 Perspectives in Nuclear Physics MEMBERS OF NuPECC Faiçal AZAIEZ / Navin ALAHARI (from July 2016) France Nicolas ALAMANOS France Eduardo ALVES Portugal Maria José Garcia BORGE Spain Angela BRACCO (Chair) Italy Pierre DESCOUVEMONT Belgium Jan DOBEŠ Czech Republic Jens-Jørgen GAARDHØJE Denmark Ari JOKINEN / Paul GREENLEES (from January 2017) Finland Sotirios HARISSOPULOS Greece Paul NOLAN / Rolf-Dietmar HERZBERG (from January 2017) United Kingdom Mikhail ITKIS JINR Dubna Tord JOHANSSON Sweden Bernd KRUSCHE Switzerland Karlheinz LANGANKE Germany Marek LEWITOWICZ SPIRAL2 Caen Adam MAJ Poland Ulf-G. MEISSNER Germany Matko MILIN Croatia Alexander MURPHY United Kingdom Eugenio NAPPI Italy Joakim NYSTRAND / Andreas GÖRGEN (from January 2017) Norway Boris SHARKOV / Paolo GIUBELLINO (from January 2017) FAIR Darmstadt Christelle ROY France Raimond SNELLINGS The Netherlands Hans STRÖHER Germany Ioan URSU Romania Jochen WAMBACH ECT* Trento Eberhard WIDMANN Austria György WOLF Hungary NuPECC Observer Members Calin Ur, Bucharest, Romania, for EPS, Don Geesaman, Argonne, USA, for NSAC, Kazuhiro Tanaka, Tsukuba, Japan, for ANPhA, Jens Dilling, Vancouver, Canada, for NSERC, Alinka Lépine-Szily, São Paulo, Brazil, for ALAFNA European Science Foundation (ESF) Jean-Claude WORMS, Chief Executive, Strasbourg Editors Angela Bracco, Gabriele-Elisabeth Körner, Bernd Krusche, Eugenio Nappi, Adam Maj, Alex Murphy, Joakim Nystrand / Eberhard Widmann, Jan Dobeš and Marek Lewitowicz Layout and production Mara Tanase, ELI-NP Photo Credits: ELI-NP Building Lego Model of Chart of Nuclide (Photo: Christian Diget) ALICE (CERN Document Server) PET Image of a rat heart (ATOMKI) FAIR (copyright: “ion42 für FAIR“) NuPECC would like to thank ELI-NP for the production of this book nuclear physics FOREWORD With this document NuPECC, the Nuclear Physics European Collaboration Committee, presents its Long Range Plan 2017.
    [Show full text]
  • Specialized Software Utilities for Gamma Ray Spectrometry
    IAEA-TECDOC-1275 Specialized software utilities for gamma ray spectrometry Final report of a co-ordinated research project 1996–2000 March 2002 The originating Section of this publication in the IAEA was: Physics Section International Atomic Energy Agency Wagramer Strasse 5 P.O. Box 100 A-1400 Vienna, Austria SPECIALIZED SOFTWARE UTILITIES FOR GAMMA RAY SPECTROMETRY IAEA, VIENNA, 2002 IAEA-TECDOC-1275 ISSN 1011–4289 © IAEA, 2002 Printed by the IAEA in Austria March 2002 FOREWORD A Co-ordinated Research Project (CRP) on Software Utilities for Gamma Ray Spectrometry was initiated by the International Atomic Energy Agency in 1996 for a three year period. In the CRP, several basic applications of nuclear data handling were assayed which also dealt with the development of PC computer codes for various spectrometric purposes. The CRP produced several software packages for the analysis of low level NaI spectra; user controlled analysis of gamma ray spectra from HPGe detectors; a set of routines for the definition of the detector resolution function and for the unfolding of experimental annihilation spectra; a program for the generation of gamma ray libraries (using new, evaluated data) for specific applications; a program to calculate true coincidence corrections; a program to calculate the full-energy peak efficiency calibration curve for homogeneous cylindrical sample geometries including self-attenuation correction; and a program for the library driven analysis of gamma ray spectra and for the quantification of radionuclide contents in samples. In addition, the CRP addressed problems of the analysis of naturally occurring radioactive soil material gamma ray spectra, questions of quality assurance and quality control in gamma ray spectrometry, and verification of the expert system SHAMAN for the analysis of air filter spectra obtained within the framework of the Comprehensive Nuclear Test Ban Treaty.
    [Show full text]
  • Nuclear Science and Engineering Education Sourcebook 2016
    Nuclear Science and Engineering Education Sourcebook 2016 American Nuclear Society US Department of Energy Nuclear Science & Engineering Education Sourcebook 2016 North American Edition American Nuclear Society Education, Training, and Workforce Division US Department of Energy Office of Nuclear Energy Editor and Founder John Gilligan Professor of Nuclear Engineering North Carolina State University Assistant Editor Sherry Bailey North Carolina State University Version 5.16 *Front Cover Photo – NCSU PULSTAR Reactor* Welcome to the 2016 Edition of the Nuclear Science and Engineering Education (NS&EE) Sourcebook. We have evolved and improved! The core mission of the Sourcebook has not changed, however. Our purpose is to facilitate interaction among faculty, students, industry, and government agencies to accomplish nuclear research, teaching and service activities. Since 1986 we have compiled critical information on nuclear engineering enrollments, degrees, and faculty expertise in printed and electronic formats. There has been much growth and change in the nuclear community in recent years and is evidenced in the 2016 NS & EE Sourcebook. We have gone to a new web based input format that allows quick changes to the Sourcebook and the capability to do ranking and sort manipulations in a spreadsheet environment as the data is displayed. We will publish a PDF version of the Sourcebook. This year we will also include programs that are new and growing, which might include undergraduate curricula with a nuclear energy minor or graduate programs that offer a track or certificate option. We will list only faculty involved in the nuclear options in all of these cases. In general we list faculty that have at least a budgeted 25% appointment in nuclear activities.
    [Show full text]
  • Present and Future Radioactive Beam Studies at GANIL. from SISSI To
    PRESENT AND FUTURE RADIOACTIVE BEAM STUDIES AT GANIL: FROM SISSI TO SPIRAL D.GUERREAU Gae# Cedb*, Frawe iMIlllllllllllHIllllH PRESENT AND FUTURE RADIOACTIVE BEAM STUDIES AT GANIL: FROM SISSI TO SPIRAL D.GUERREAU GANIL (IN2P3/CNRS, DSM/CEA) BP 5027, 14021 Caen Cedex, France Abstract The present status of radioactive beam developments at GANIL is discussed. The emphasis is put on the construction of the new SPIRAL radioactive beam facility which is presently underway and of the main trends in physics. 1 Introduction Nuclear physics today has mainly to deal with the study of extreme states of nuclear matter. It may be concerning temperature, pressure, rotation, deformation or limits in atomic number. The isospin is clearly one of these states. Moving along this degree of freedom will allow to explore the landscape between the valley of stability and the limits of binding, the neutron and proton drip lines. Such studies are clearly connected with the understanding of the nuclear force and the effective interactions. It should allow to investigate few-body systems. More generaly, it should improve significantly our understanding of nuclear matter which is mainly described by binding energies and nuclear densities (see e.g. [1] and references therein). Physics with radioactive beams clearly should open up new research frontiers in nuclear physics. There has been a growing interest for this field during the last ten years and a couple of facilities are presently operating or under construction or planned in several countries (France, Belgium, Canada, Germany, Italy, Japan, United States, Russia and CERN). An overview of the different technical solutions as well as the scientific case have been discussed in various places.
    [Show full text]
  • Development and Characterization of Semiconductor Materials by Ion Beams
    IAEA-TECDOC-1292 Development and characterization of semiconductor materials by ion beams Final report of a co-ordinated research project June 2002 The originating Section of this publication in the IAEA was: Physics Section International Atomic Energy Agency Wagramer Strasse 5 P.O. Box 100 A-1400 Vienna, Austria DEVELOPMENT AND CHARACTERIZATION OF SEMICONDUCTOR MATERIALS BY ION BEAMS IAEA, VIENNA, 2002 IAEA-TECDOC-1292 ISSN 1011–4289 © IAEA, 2002 Printed by the IAEA in Austria June 2002 FOREWORD With the aim of promoting research and facilitating more extensive applications of ion beam accelerators for development and characterization of advanced materials, the IAEA established in 1997 a Co-ordinated Research Project (CRP) on Application of MeV Ion Beams for Development and Characterization of Semiconductor Materials. The CRP is based on applications of MeV ion beams for development and characterization of semiconductor materials with the main focus on the correlation between the structure of investigated materials and their physical properties important for their applications in electronic devices. The materials of concern are those currently used (or contemplated) in semiconductor devices, like CuInSe2 and CuIn1-xGaxSe2 thin films, InGaAs/InP heterostructures, GaAs, GaN, LiNbO3, polycrystalline Si, CdTe, CdZnTe, etc. Specific topics include optoelectronic characterization of semiconductor materials and devices by ion microbeams, characterization of thin films, defect transformations in semiconductors, light element analysis in semiconductor materials and microfabrication of semiconductors using ion beams. The first Research Co-ordination Meeting (RCM) was held in Vienna in June 1998, and the second RCM was held in Zagreb, Croatia, in September 2000. This publication includes results obtained from research undertaken prior to the completion of all contracts and agreements under this CRP in 2001.
    [Show full text]