来自$B^+$、$B^0$和$B_s$衰变的弱相位$\gamma$和$\alpha$
高能物理 - 唯象学
2014-11-17 v2
摘要
提出了一种改进的味SU(3)方法,利用和(或和)的衰变率、它们的CP共轭模式以及的CP平均率来确定幺正三角形的弱角。在中的重散射(颜色抑制)贡献(已获得改进的界限)被减去。唯一的显著SU(3)破缺效应在树图振幅的因子化近似中被考虑。弱角作为副产品获得。
引用
@article{arxiv.hep-ph/9811335,
title = {Weak phases $\gamma$ and $\alpha$ from $B^+$, or $B^0$ and $B_s$ decays},
author = {Michael Gronau and Dan Pirjol},
journal= {arXiv preprint arXiv:hep-ph/9811335},
year = {2014}
}
备注
9 pages with 2 included eps figures; revised argument, taking into account the special shape of the amplitude quadrangle. An improved bound on rescattering effects is given