CP偶和CP奇K -> pi pi衰变中的强同位旋破缺
高能物理 - 唯象学
2009-10-31 v1
摘要
利用K -> pi pi衰变中强同位旋破缺(IB)贡献的完整次领头阶(手征)(NLO)表达式,讨论了:(1) 对于CP偶情况,对Delta I=1/2规则大小的影响;(2) 对于CP奇情况,胶子企鹅算符对epsilon'/epsilon贡献的强IB修正Omega_st,特别强调了强低能常数(LEC)和圈贡献,其在NLO下的数值是模型无关的。
引用
@article{arxiv.hep-ph/0007061,
title = {Strong Isospin Breaking in CP-even and CP-odd K -> pi pi Decays},
author = {C. E. Wolfe and K. Maltman},
journal= {arXiv preprint arXiv:hep-ph/0007061},
year = {2009}
}
备注
4 pages. Contribution to the proceedings of the 7th Conference on the Intersections of Particle and Nuclear Physics (CIPANP), May 22-28 2000, Quebec City, Canada. Uses AIP 6x9 LaTeX style