Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-09-02
Prog.Theor.Phys.116:143-160,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, version to be published in Prog.Theor.Phys
Scientific paper
10.1143/PTP.116.143
Although recent experimental results in b-->s penguin process seem to be roughly consistent with the standard model predictions, there may be still large possibilities of new physics hiding in this processes. Therefore, here we investigate systematically the potential new physics effects that may appear in time-dependent CP asymmetries of B --> phi K^0, B--> eta^\prime K^0 and B--> K^0 \pi^0 decay modes, by classifying the cases for the values of the mixing-induced indirect CP asymmetries, S_{phi K^0}, S_{eta^\prime K^0}, S_{K^0 pi^0} which are compared to S_{J/psi K^0}. We also show that several B_s decay modes may help to resolve the ambiguities in such an analysis. Through combining analysis with the time-dependent CP asymmetries of B_s decay modes such as B_s --> phi eta^\prime, B_s--> eta^\prime pi^0 and B_s --> K^0 bar{K}^0, we can determine where the new CP phases precisely come from.
Kim Chang Sub
Kwon Young-Joo
Lee Jake
Yoshikawa Tadashi
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