Isospin Symmetry Breaking in Atomic Nuclei

Author:

Sheikh Javid A.12ORCID,Rouoof Syed P.2ORCID,Ali Raja N.3ORCID,Rather Niyaz2ORCID,Sarma Chandan4ORCID,Srivastava Praveen C.4ORCID

Affiliation:

1. Department of Physics, University of Kashmir, Srinagar 190006, India

2. Department of Physics, Islamic University of Science and Technology, Awantipora 192122, India

3. Department of Physics, Central University of Kashmir, Tulmulla, Ganderbal 191131, India

4. Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, India

Abstract

In this paper, the importance of isospin symmetry and its breaking in elucidating the properties of atomic nuclei is reviewed. The quark mass splitting and the electromagnetic origin of the isospin symmetry breaking (ISB) for the nuclear many-body problem is discussed. The experimental data on isobaric analogue states cannot be described only with the Coulomb interaction, and ISB terms in the nucleon–nucleon interaction are needed to discern the observed properties. In the present work, the ISB terms are explicitly considered in nuclear energy density functional and spherical shell model approaches, and a detailed investigation of the analogue states and other properties of nuclei is performed. It is observed that isospin mixing is largest for the N = Z system in the density functional approach

Publisher

MDPI AG

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