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Title: Effective shell-model interaction for nuclei “southeast” of 100Sn

Journal Article · · Physical Review C

We construct an effective shell-model interaction for the valence space spanned by single-particle neutron and single-hole proton states in 100Sn. Starting from chiral nucleon-nucleon and three-nucleon forces and single-reference coupled-cluster theory for 100Sn we apply a second similarity transformation that decouples the valence space. The particle-particle components of the resulting effective interaction can be used in shell model calculations for neutron deficient tin isotopes. The hole-hole interaction can be used to calculate the N=50 isotones south of 100Sn, and the full particle-hole interaction describes nuclei in the region southeast of 100Sn. We compute low-lying excited states in selected nuclei southeast of 100Sn, and find reasonable agreement with data. The presented techniques can also be applied to construct effective shell-model interactions for other regions of the nuclear chart.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1836447
Journal Information:
Physical Review C, Vol. 104, Issue 6; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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