β-decay half-lives of neutron-rich nuclei around 158Nd, relevant to the formation of the A≈165 rare-earth element peak
1 School of Physics, Peking University, Beijing 100871, China
2 RIKEN Nishina Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
3 National Physical Laboratory, Teddington, Middlesex, TW11 0LW, U.K.
4 Department of Physics, Univeristy of Hong Kong
5 Research Center for Nuclear Physics, Osaka University, Japan
6 LPSC, UJF/INPG, CNRS/IN2P3, F-38026, Grenoble Cedex, France
7 School of Computing, Engineering and Mathematics, University of Brighton, U.K.
8 Department of Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
9 Department of Physics, University of Surrey, U.K.
10 Department of Physics, University of York, Heslington, York, YO10 5DD, U.K.
11 Department of Physics, Tohoku University, Sendai 980-8578, Japan
12 Department of Physics, Beihang University, China
13 Center for Nuclear Study, University of Tokyo, Japan
14 University of Oslo, P.O. Box 1072 Blindern, 0316 Oslo, Norway
15 INFN, Sezione di Milano, via Celoria 16, I-20133 Milano, Italy
16 ILL, 28042 Grenoble Cedex, France
17 INFN, Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy
18 Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
19 Instituto, de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
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Published online: 12 February 2016
A β-decay spectroscopy experiment around 158Nd was performed at RI Beam Factory (RIBF), RIKEN Nishina Center, in order to understand the production mechanism of the A≈165 rare-earth element (REE) peak in the r-process mass abundance pattern. In this experiment, 53 half-lives are measured including 34 new results, which could be employed in a fully dynamic r-process network calculation.
© Owned by the authors, published by EDP Sciences, 2016
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