Possible large direct CP asymmetry in hadronic B+- -> π+- η' decays
Mohammad R. Ahmady, Emi Kou
Abstract
We calculate the branching ratio and direct CP asymmetry in nonleptonic two body B decays B+- ->π+- η'. It is shown that the tree diagram and gluon fusion mechanism via penguin diagram have comparable contributions to these decays which, as a result, could provide an interesting venue for investigating CP violation. Our estimate shows that the direct CP asymmetry in the above decays could be as large as 75% which along with a branching ratio B(B- ->π- η')=3.4 X 10-6 should be accessible to experiment in the near future.
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