β -decay of neutron-rich nuclei with Z ≈ 60 : The origin of rare-earth elements

Abstract : A large fraction of the rare-earth elements around A = 160 observed in the solar system are produced in the astrophysical rapid (r-) neutron-capture process. However, current stellar models cannot completely explain the relative abundance of these elements partially because of nuclear physics uncertainties. To address this problem, a b -decay spectroscopy experiment was performed at RI Beam Factory (RIKEN), aimed at studying a wide range of very neutron-rich nuclei with Z ¼ 60. This experiment provides a test of nuclear models as well as experimental inputs for r-process calculations
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http://hal.in2p3.fr/in2p3-01285315
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Submitted on : Wednesday, March 9, 2016 - 8:51:17 AM
Last modification on : Tuesday, May 22, 2018 - 9:48:05 PM

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J. Wu, S. Nishimura, G. Lorusso, Z.Y. Xu, E. Ideguchi, et al.. β -decay of neutron-rich nuclei with Z ≈ 60 : The origin of rare-earth elements. International Symposium on Nuclei in the Cosmos (NIC XIII), Jul 2014, Debrecen, Hungary. pp.016. ⟨in2p3-01285315⟩

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