Isospin symmetry breaking in an algebraic pairing Sp(4) model

Details Isospin symmetry breaking in an algebraic pairing Sp(4) model Isospin symmetry breaking in an algebraic pairing Sp(4) model

2007-03-22

arxiv.org/abs/nucl-th/0703072v1

Phys.Rev.C72:054302,2005

Physics

Nuclear Physics

Nuclear Theory

8 pages, 2 figures

Scientific paper

10.1103/PhysRevC.72.054302

An exactly solvable sp(4) algebraic approach extends beyond the traditional isospin conserving nuclear interaction to bring forward effects of isospin symmetry breaking and isospin mixing resulting from a two-body nuclear interaction that includes proton-neutron (pn) and like-particle isovector pairing correlations plus significant isoscalar pn interactions. The model yields an estimate for the extent to which isobaric analog 0+ states in light and medium mass nuclei may mix with one another and reveals possible, but still extremely weak, non-analog beta-decay transitions.

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