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β-decay studies of r-process nuclei at NSCL
Journal article   Peer reviewed

β-decay studies of r-process nuclei at NSCL

J Pereira, A Aprahamian, O Arndt, A Becerril, T Elliot, A Estrade, D Galaviz, S Hennrich, P Hosmer, L Schnorrenberger, …
Nuclear physics. A, Vol.805(1), pp.470c-477c
2008

Abstract

R-process nucleosynthesis r-process waiting points shell quenching β-decay properties β-delayed spectroscopy
Observed neutron-capture elemental abundances in metal-poor stars, along with ongoing analysis of the extremely metal-poor Eu-enriched sub-class provide new guidance for astrophysical models aimed at finding the r-process sites. The present paper emphasizes the importance of nuclear physics parameters entering in these models, particularly β-decay properties of neutron-rich nuclei. In this context, several r-process motivated β-decay experiments performed at the National Superconducting Cyclotron Laboratory (NSCL) are presented, including a summary of results and impact on model calculations.

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