THE CP VIOLATION OF THE B-]K-PHI DECAY AT GAMMA(4S) IN THE NONSTANDARD MODELS

被引：6

作者：

TANIMOTO, M ^{[1
]}

HIRAYAMA, K ^{[1
]}

SHINMOTO, T ^{[1
]}

SENBA, K ^{[1
]}

机构：

[1] EHIME UNIV,DEPT PHYS,MATSUYAMA,EHIME 790,JAPAN

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1990年 / 48卷 / 01期

关键词：

D O I：

10.1007/BF01565610

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The CP violating asymmetry in the B→Kφ{symbol} decay is studied in both supersymmetric model and three Higgs doublets model. The absorptive part of the penguin amplitude leads to the CP violating asymmetry in the Bu+-→K±φ{symbol} decays, which is at most 3% due to the GIM mechanism in the standard model. However, the asymmetry could be relatively large if there exists a new source of the imaginary component in the decay amplitude. In the supersymmetric model, the contributions of the imaginary part of the super-penguin and the super-box processes rather suppress the magnitude of the asymmetry, whereas in the three Higgs doublets model, that of the charged Higgs-penguin process could significantly enhance it. © 1990 Springer-Verlag.

引用

页码：99 / 104

页数：6

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