Nuclear structure study with core excitations in Ni region: for $fpg_{9/2}$ space
P.C. Srivastava
TL;DR
This paper modifies shell model interactions to better explain experimental data on Ni, Cu, and Zn isotopes, focusing on core excitations within the $fpg_{9/2}$ space.
Contribution
It introduces modifications to 28 two-body matrix elements of the existing interaction, improving the model's accuracy for this nuclear region.
Findings
Enhanced agreement with experimental data
Successful explanation of new nuclear structure results
Refined interaction parameters for Ni region
Abstract
Shell model calculations for Ni, Cu and Zn isotopes by modifying interaction due to Sorlin {\it et. al.,} [Phys. Rev. Lett. 88, 092501 (2002)] have been reported. In the present work 28 two body matrix elements of the earlier interaction have been modified. Present interaction is able to explain new experimental results for this region.
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