EPJ Web of Conferences
Volume 107, 2016International Conference on Nuclear Structure and Related Topics (NSRT15)
|Number of page(s)||4|
|Published online||19 January 2016|
Study of Gamow-Teller transitions from 132Sn via the (p,n) reaction at 220 MeV/u in inverse kinematics
1 RIKEN Nishina Center, Wako, Saitama 351-0198, Japan
2 Department of Physics,Kyushu University, Higashi, Fukuoka, 812-8581, Japan
3 National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
4 Department of Physics, Tohoku University, Sendai, Miyagi 980-8578, Japan
5 Department of Physics, Tokyo Institute of Technology, Oh-Okayama, Tokyo 152-8551, Japan
6 Center for Nuclear Study, University of Tokyo, Wako, Saitama 351-0198, Japan
7 Department of Physics, University of Tokyo, Hongo, Tokyo 113-0033, Japan
8 Institute for Nuclear Research, Hungarian Academy of Sciences (MTA Atomki), H-4001 Debrecen, P.O. Box 51, Hungary
9 Department of Physics, Kyoto University, Kyoto 606-8502, Japan
10 Department of Physics, Konan University, Kobe, Hyogo 658-8501 Japan
11 Technical University Munich, D-80333 Munich, Germany
12 Department of physics, Korea university, Seoul 02841, Republic of Korea
13 Department of physics, the University of Hong Kong, Hong Kong
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Published online: 19 January 2016
The charge-exchange (p,n) reaction at 220 MeV has been measured to extract the strength distribution of Gamow-Teller transitions from the doubly magic unstable nucleus 132Sn. A recently developed experimental technique of measuring the (p,n) reaction in inverse kinematics has been applied to the study of unstable nuclei in the mass region around A∼100 for the first time. We have combined the low-energy neutron detector WINDS and the SAMURAI spectrometer at the RIKEN radioactive isotope beam factory (RIBF). The particle identification plot for the reaction residues obtained by the spectrometer provides the clear separation of the CE reaction channel from other background events, enabling us to identify kinematic curves corresponding the (p, n) reaction. Further analysis to reconstruct the excitation energy spectrum is ongoing.
© Owned by the authors, published by EDP Sciences, 2016
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