DIRECT CP-VIOLATING RARE KAON DECAYS WITH CHARGED HIGGS BOSONS

被引：7
作者：
BELANGER, G
GENG, CQ
TURCOTTE, P
机构：
[1] Laboratoire de Physique Nucléaire, Université de Montréal, Montréal, Que. H3C3J7, Case Postale 6128, Succursale A
来源：
PHYSICAL REVIEW D | 1992年 / 46卷 / 07期
关键词：
D O I：
10.1103/PhysRevD.46.2950
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We obtain the constraints on the Cabibbo-Kobayashi-Maskawa matrix elements and on the charged-Higgs-boson parameters in the two-Higgs-doublet model. Using these we find that the branching ratios for the direct CP-violating contributions to the rare decays K(L) --> pi0e+e- and K(L) --> pi0nunuBAR vary in a wide range. The 90% C.L. upper bounds for the CP-violating branching ratios are significantly enhanced relative to the standard model, which could reach 5 X 10(-11) and 4 X 10(-10), respectively. We also find a possibly large T-violating observable in K+ --> pi+mu+mu-.
引用
收藏
页码：2950 / 2954
页数：5
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