Low-lying structure of neutron-rich Zn and Ga isotopes

H. Jiang, G. J. Fu, Y. M. Zhao, and A. Arima
Phys. Rev. C 84, 034302 – Published 1 September 2011

Abstract

Low-lying states of even-even Zn and odd-mass Ga nuclei with neutron numbers between 42 and 50 have been calculated within the framework of the SDG-pair approximation of the nuclear shell model. We employ a monopole and quadrupole pairing plus quadrupole-quadrupole interaction with optimized parameters, which are assumed to be constants for nuclei with the same proton number or neutron number. We calculate low-lying level schemes, electric quadrupole and magnetic dipole moments, and E2 and M1 transition rates. Reasonable agreement is achieved between the calculated results and experimental data. Dominant configurations in the ground states of odd-mass Ga nuclei are discussed in terms of pair correlations. The weak-coupling picture for some states of odd-mass Ga nuclei is studied.

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  • Received 22 May 2011

DOI:https://doi.org/10.1103/PhysRevC.84.034302

©2011 American Physical Society

Authors & Affiliations

H. Jiang1,2, G. J. Fu2, Y. M. Zhao2,3,4,*, and A. Arima2

  • 1School of Arts and Sciences, Shanghai Maritime University, Shanghai 200135, P. R. China
  • 2Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
  • 3Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, P. R. China
  • 4CCAST, World Laboratory, P.O. Box 8730, Beijing 100080, P. R. China

  • *Corresponding author: ymzhao@sjtu.edu.cn

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Vol. 84, Iss. 3 — September 2011

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