Progress in Research
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PROGRESS IN RESEARCH April 1, 2013 - March 31, 2014 CYCLOTRON INSTITUTE Texas A&M University College Station, Texas PROGRESS IN RESEARCH APRIL 1, 2013- MARCH 31, 2014 Prepared By The Cyclotron Institute Staff Texas A&M University College Station, TX 77843-3366 Phone: (979) 845-1411 Fax: (979) 845-1899 Web: http://cyclotron.tamu.edu June 2014 TABLE OF CONTENTS Introduction ............................................................................................................................................... xi S. J. Yennello, Director SECTION I: NUCLEAR STRUCTURE, FUNDAMENTAL INTERACTIONS AND ASTROPHYSICS Anomalous behavior of the giant monopole resonance ........................................................................ I-1 D. H. Youngblood, Y. -W. Lui, J. Button, Y. Xu, M. Anders, and S. Shlomo Double folding optical parameters for 240 MeV 6Li beam -revisited .................................................. I-5 Y. Xu, J. Button, Y. -W. Lui, and D. H. Youngblood Superallowed beta decay ....................................................................................................................... I-11 J. C. Hardy, I. S. Towner, V. E. Iacob, H. I. Park, L. Chen, V. Horvat, N. Nica, M. Bencomo and R. E. Tribble The β decay of 38Ca: Sensitive test of isospin symmetry-breaking corrections from mirror superallowed 0+→ 0+ transitions .............................................................................................. I-16 H. I. Park, J. C. Hardy, V. E. Iacob, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder, E. Simmons, R. E. Tribble, and I. S. Towner The superallowed β-decay branching ratio in the decay of 34Ar........................................................ I-20 V. E. Iacob, J. C. Hardy, H. I. Park, M. Bencomo, L. Chen, V. Horvat, N. Nica, and B. T. Roeder Exploratory measurement of the 42Ti half-life .................................................................................... I-23 H. I. Park, L. Chen, J. C. Hardy, M. Bencomo, V. Horvat, V. E. Iacob, N. Nica, B. T. Roeder, A. Saastamoinen, and R. E. Tribble Tests of internal-conversion theory with precise y- and x-ray spectroscopy: The case of 127mTe ................................................................................................................................... I-26 N. Nica, K. Brandenburg, J. C. Hardy, V. E. Iacob, H. I. Park, and M. B. Trzhaskovskaya United States nuclear structure data program (USNDP) and evaluated nudear structure data file (ENSDF) at Texas A&M University ...................................................................................... I-30 N. Nica, and J. C. Hardy The half-life of 27P .................................................................................................................................. I-32 E. Simmons, H. I. Park, J. C. Hardy, V. E. Iacob, R. Chyzh, M. Dag, T. Davinson, i D. Doherty, M. McCleskey, R. G. Pizzone, B. Roeder, A. Spiridon, L. Trache, R. E. Tribble, and J. Wallace Progress on the analysis of the beta-delayed proton and gamma decay study of 27P ...................... I-35 E. Simmons, A. Banu, T. Davinson, D. Doherty, G. J. Lotay, M. McCleskey, B. Roeder, A. Saastamoinen, A. Spiridon, L. Trache, R. E. Tribble, J. Wallace, and P. J. Woods Elastic scattering of 13C at 12 MeV/n on 27Al ....................................................................................... I-38 A. Spiridon, R. Chyzh, M. Dag, V. Z. Goldberg, E. McCleskey, M. McCleskey, B. T. Roeder, A. Saastamoinen, and R. E. Tribble Determination of optical model parameters for the elastic scattering of 26Mg on 13C ..................... I-40 M. Dag, M. McCleskey, R. Chyzh, V. Z. Goldberg, B. Roeder, A. Saastamoinen, E. Simmons, A. Spiridon, and R. E. Tribble Study of the lowest states in 9He as a test of unusual nuclear structure beyond the neutron dripline ..................................................................................................................................... I-44 R. Chyzh, A. Saastamoinen, M. McCleskey, V. Z. Goldberg, G. V. Rogachev, Y. Koshchiy, E. Simmons, A. Spiridon, M. Dag, and R. E. Tribble Study of low energy resonances in 13C+4He interaction ..................................................................... I-46 V. Z. Goldberg, G. V. Rogachev, R. E. Tribble, N. A. Mynbayev, A. K. Nurmukhanbetova, M. S. Golovkov, V. N. Dzybin, M. V. Koloberdyn, and I. Ivanov Production of new radioactive beams 42Ti, 35K, 9C, 8B, and 20O with MARS ................................... I-48 B. T. Roeder, A. Saastamoinen, M. McCleskey, E. McCleskey, A. Spiridon, E. Koshchiy, G. Rogachev, H. I. Park, and R. E. Tribble Investigation of the structure of nuclear cluster states at the University of São Paulo, Brazil ....... I-55 B. T. Roeder, M. R. D. Rodrigues, T. Borello-Lewin, L. B. Horodynski-Matsushigue, J. L. M. Duarte, C. L. Rodrigues, H. Miyake, X. X. Zhang, and G. M. Ukita Production of proton-rich T=2 superallowed β-decaying nuclei ....................................................... I-58 R. S. Behling, B. Fenker, M. Mehlman, D. Melconian, and P. D. Shidling First-ever measurement of the β-asymmetry parameter from Laser-Cooled atoms: Status of the 37K experiment at TRIUMF ............................................................................................ I-60 R. S. Behling, B. Fenker, M. Mehlman, D. Melconian, and P. D. Shidling α ANCs of the near α-threshold states in 16O, 17O and 20Ne ............................................................... I-61 G. V. Rogachev, E. Koshchiy, M. L. Avila, L. Baby, and D. Santiago-Gonzales ii α-cluster structure of 18O ....................................................................................................................... I-64 G. V. Rogachev, V. Z. Goldberg, M. L. Avila, E. D. Johnson, K. W. Kemper, D. Robson, Yu. M. Tchuvilśky, and A. Volya Clustering in 10Be ................................................................................................................................... I-67 G. V. Rogachev, E. Koshchiy, V. Z. Goldberg, A. Kuchera, M. L. Avila, L. Baby, J. Blackmon, K. Macon, D. Santiago-Gonzales, and I. Wiedenhover Exploring gluon polarization with NNPDF and STAR ...................................................................... I-71 A. B. Cudd, P. Djawotho, C. A. Gagliardi, and the STAR Collaboration Spin physics with STAR at RHIC ........................................................................................................ I-73 Z. Chang, P. Djawotho, C. A. Gagliardi, M. M. Mondal, R. E. Tribble, and the STAR Collaboration SECTION II: HEAVY ION REACTIONS Recent results of 45Sc-induced fusion evaporation reactions on 158,160Gd ......................................... ..II-1 T. A. Werke, D. A. Mayorov, M. C. Alfonso, M. M. Frey, and C. M. Folden III Production cross sections of residues in 50Ti-induced reactions ......................................................... II-3 D. A. Mayorov, T. A. Werke, M. C. Alfonso, M. M. Frey, E. E. Tereshatov, and C. M. Folden III Development of nuclear forensics program at Texas A&M University ............................................. II-5 T. K. Bhardwaj, J. R. Allred, K. F. Jones, P. M. Mendoza, R. L. Du, C. M. Folden III, and S. S. Chirayath Exploring the structure of 12C using the thick target inverse kinematics technique ........................ II-7 M. Barbui, E. -J. Kim, V. Z. Goldberg, K. Hagel, H. Zheng, G. Giuliani, G. G. Rapisarda, S. Wuenschel, X. Liu, and J. B. Natowitz Pastina formation in low density nucleonic matter – a mechanism for ternary fission .................. II-10 S. Wuenschel, H. Zheng. K. Hagel, B. Meyer, M. Barbui, E. -J. Kim, G. Roepke, and J. B. Natowitz Progress on campaign surveying deep inelastic multi-nucleon transfer for creation of super- and hyper-heavy elements .................................................................................................... II-14 S. Wuenschel, J. B. Natowitz, K. Hagel, M. Barbui, G. Giuliani, E. -J. Kim, N. Blando, H. Zheng, S. Kowalski, K. Schmidt, Z. Majka, Z. Sosin, and A. Wieloch iii The clusterization of alpha-conjugate nuclei ...................................................................................... II-18 K. Schmidt, E. J. Kim, M. Barbui, S. Wuenschel, J. B. Natowitz, H. Zheng, N. Blando, K. Hagel, A. Bonasera, G. Giuliani, M. Rodrigues, R. Wada, M. Huang, C. Botosso, G. Liu, G. Viesti, S. Moretto, G. Prete, S. Pesente, D. Fabris, Y. El Masri, T. Keutgen, S. Kowalski, Z. Kohley, and A. Kumar Transverse momentum of ionized atoms and diatomic molecules acquired in collisions with fast highly-charged heavy ion ...................................................................................................... II-21 V. Horvat and R. L. Watson Equation of state effects on nucleon transport ................................................................................... II-31 L. W. May, P. Cammarata, L. Heilborn, J. Mabiala, A. McIntosh, M. Youngs, A. Zarrella, and S. J. Yennello Coulomb corrections to experimental temperatures and densities in Fermi-energy heavy-ion collisions ............................................................................................................................... II-34 J. Mabiala, H. Zheng, A. Bonasera, P. Cammarata, K. Hagel, L. Heilborn, Z. Kohley, L. W. May, A. B. McIntosh, M. D. Youngs, A. Zarrella, and S. J. Yennello Using transport simulations in comparison to experimental data in order to constrain the nuclear equation of state and nucleon effective mass splitting ..................................................