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E2 collectivity in shell-model calculations for odd-mass nuclei near Sn-132

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Date

2020

Authors

Gray, Timothy
Stuchbery, Andrew
Fuderer, Liam
Allmond, J.M.

Journal Title

Journal ISSN

Volume Title

Publisher

EPJ Web of Conferences

Abstract

Shell-model calculations for In-127,In-129 and Sb-129,Sb-131 are presented, and interpreted in the context of the particle-core coupling scheme, wherein proton g(9/2) holes or g(7/2) particles are added to semimagic Sn-128,Sn-130 cores. These results indicate that the particle-core coupling scheme is appropriate for the Sb isotopes, whilst less so for the In isotopes. B(E2) excitation strengths are also calculated, and show evidence of enhanced collectivity in both Sb isotopes, especially Sb-131. This observation suggests that Sb-131 would be an excellent case for an experimental study seeking to investigate the early onset of collectivity near Sn-132.

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Keywords

Citation

URI

http://hdl.handle.net/1885/300209

Collections

ANU Research Publications

Source

Heavy Ion Accelerator Symposium (HIAS 2019)

Type

Conference paper

Book Title

Entity type

Access Statement

Open Access

License Rights

Creative Commons Attribution licence

DOI

10.1051/epjconf/202023204007

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