Symmetric and asymmetric structural evolutions of Te isotopes across the N = 82 shell closure

Jiang, Hui; Zhou, Yi-jie; Lei, Yang; Shen, Jia-Jie; Bao, Man

doi:10.1088/1674-1137/ac0ce1

Symmetric and asymmetric structural evolutions of Te isotopes across the N = 82 shell closure

Sep 2, 2021

9 pages

Published in:

Chin.Phys.C 45 (2021) 9, 094103

Published: Sep 2, 2021

DOI:

10.1088/1674-1137/ac0ce1

View in:

Nuclear Science References

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Abstract: (IOP)

Systematic calculations of low-lying energy levels, transitions, and g factors of even-even tellurium isotopes with mass numbers from 128 to 140 are performed via the nucleon-pair approximation (NPA) of the shell model with phenomenological multipole-multipole interactions. An optimal agreement is obtained between the calculated results and experimental data. The yrast band structures of nuclei below and above the shell closure are compared and discussed. In particular, the evolutionary differences of values and factors, with respect to the symmetry of , are attributed to the dominant contribution differences in neutron and proton excitations, respectively.

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