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Nuclear structure study around Z=28

Abstract : Yrast levels of Ni, Cu and Zn isotopes for $40 \leq N \leq50$ have been described by state-of-the-art shell model calculations with three recently available interactions using $^{56}$Ni as a core in the $f_{5/2}pg_{9/2}$ model space. The results are unsatisfactory viz. large $E(2^+)$ for very neutron rich nuclei, small B(E2) values in comparison to experimental values. These results indicate an importance of inclusion of $\pi f_{7/2}$ and $\nu d_{5/2}$ orbitals in the model space to reproduce collectivity in this region.
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Contributor : Michel Lion <>
Submitted on : Wednesday, March 14, 2012 - 11:15:08 AM
Last modification on : Thursday, February 1, 2018 - 1:35:11 AM

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P.C. Srivastava, I. Mehrotra. Nuclear structure study around Z=28. International Journal of Modern Physics E, World Scientific Publishing, 2012, 21, pp.1250007. ⟨10.1142/S0218301312500073⟩. ⟨in2p3-00678898⟩



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