Charge Symmetry Breaking in Pion-Nucleon Coupling Constants Induced by Axial Anomaly
High Energy Physics - Phenomenology
2007-05-23 v2 Nuclear Experiment
Nuclear Theory
Abstract
The contribution of axial anomaly to charge symmetry breaking in pion-nucleon coupling constants is calculated within instanton model for QCD vacuum. It has been demonstrated that the contribution is large and allows to explain Nolen-Schiffer anomaly.
Cite
@article{arxiv.hep-ph/0601187,
title = {Charge Symmetry Breaking in Pion-Nucleon Coupling Constants Induced by Axial Anomaly},
author = {N. I. Kochelev},
journal= {arXiv preprint arXiv:hep-ph/0601187},
year = {2007}
}
Comments
4 pages. Contribution to "Sense of Beauty in Physics - a volume in honour of Adriano Di Giacomo" (Pisa University Press, Pisa, 2006), on the occasion of his 70th birthday