Supported by National Natural Science Foundation of China (10805014,10947020,10979008);Natural Science Foundation of He’nan Province (092300410205,102300410210)
We study the effects of the fourth quark generation model in Bs→π^-K^+ decay. Combining with the up-to-date experimental measurement for B(Bs→π^-K^+) dir - and Acp ^dir(Bs→π^-K^+) by the CDF Collaboratio...