中文

W_R对B夸子衰变CP不对称性的影响

高能物理 - 唯象学 2010-02-03 v3

摘要

在我们将右手侧CKM矩阵的有限元素限制在K 夸子系统中满足CP 违背epsilon_K约束之后,右手侧电荷夸子W_R被显示对B 系统中的CP 不对称性产生显著影响。我们对B-Bbar 混合进行联合卡方分析,以约束右手侧CKM 矩阵元素。在(sin(2alpha), sin(2beta)), (x_s, sin(gamma)), (rho-eta), 和 (x_s, sin(2phi_s)) 图中,考虑W_R 夸子后,我们发现允许的实验区域更大,从而可以区分此模型与标准模型。

关键词

引用

@article{arxiv.hep-ph/9706359,
  title  = {W_R Effects on CP Asymmetries in B Meson Decays},
  author = {Dennis Silverman and Herng Yao},
  journal= {arXiv preprint arXiv:hep-ph/9706359},
  year   = {2010}
}

备注

14 pages, RevTeX, 4 postscript figures. Talks based on this and other references are at http://www.physics.uci.edu/~silverma/ Revised and updated version now includes sin(2beta) and x_s data (from summer '01), inclusion of Penguin effects, stronger arguments for the parametrizations used, and elimination of the omega variable