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

页码：2950 / 2954

页数：5

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