能否测量企鹅图的弱相位?
高能物理 - 唯象学
2016-11-23 v1
摘要
b→d企鹅振幅接收来自内部u、c和t夸克的贡献。我们表明,在没有理论输入的情况下,不可能测量这些企鹅贡献中任何一个的弱相位。然而,一个涉及强子参数的单一假设使得获得弱相位并检验b→d味改变中性流中新物理的存在成为可能。
引用
@article{arxiv.hep-ph/0002173,
title = {Is it possible to Measure the Weak Phase of a Penguin Diagram?},
author = {D. London and N. Sinha and R. Sinha},
journal= {arXiv preprint arXiv:hep-ph/0002173},
year = {2016}
}
备注
4 pages, latex, no figures, talk given by R. Sinha at the 3rd International Conference on B Physics and CP Violation, Taipei, Taiwan, December 3-7, 1999, to appear in the Proceedings