Description for N = 126 Isotones 210Po and 212Rn with Particle-Hole Excited Nucleon-Pair Approximation and Realistic Effective Interaction

Wang, Yi-Xing; Cheng, Yi-Yuan; Kuo, Thomas S.

doi:10.3390/sym14010181

Title: Description for N = 126 Isotones ²¹⁰Po and ²¹²Rn with Particle-Hole Excited Nucleon-Pair Approximation and Realistic Effective Interaction

Journal Article · 17 January 2022 · Symmetry

DOI: https://doi.org/10.3390/sym14010181 · OSTI ID:1981190

Wang, Yi-Xing ^[1];

^[2]; Kuo, Thomas S. ^[3]

East China Normal University (ECNU), Shanghai (China); East China Normal Univ. (ECNU), Shanghai (China)
East China Normal University (ECNU), Shanghai (China)
State University of New York (SUNY), Albany, NY (United States)

In this paper, we study yrast states of two N=126 isotones ²¹⁰Po and ²¹²Rn using the nucleon-pair approximation with particle–hole excitations and using a low-momentum interaction V^low–k renormalized from the free CD-Bonn NN potential. An overall good agreement with experimental level structures, B(E2)s, and B(E3)s, is achieved. We also calculate the probabilities of neutron particle–hole excitations in these yrast states, with a focus on negative-parity states, which reflect the roles played by the neutron negative-parity configurations of one-particle-one-hole excitations across the N=126 shell gap and the negative-parity configurations of valence proton particles involving the 0i_13/2 orbit. The N=126 shell gap is discussed in terms of energies of neutron one-particle-one-hole excitations.

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Research Organization:: State University of New York (SUNY), Albany, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC); National Natural Science Foundation of China

Grant/Contract Number:: FG02-88ER40388

OSTI ID:: 1981190

Journal Information:: Symmetry, Journal Name: Symmetry Journal Issue: 1 Vol. 14; ISSN 2073-8994

Publisher:: MDPICopyright Statement

Country of Publication:: United States

Language:: English

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low-momentum interaction V low–k
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Title: Description for N = 126 Isotones 210Po and 212Rn with Particle-Hole Excited Nucleon-Pair Approximation and Realistic Effective Interaction

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Title: Description for N = 126 Isotones ²¹⁰Po and ²¹²Rn with Particle-Hole Excited Nucleon-Pair Approximation and Realistic Effective Interaction