Direct CP Violation in Hadronic B Decays

Details Direct CP Violation in Hadronic B Decays Direct CP Violation in Hadronic B Decays

2005-05-03

arxiv.org/abs/hep-ph/0505020v3

Sci. China G49:357-366,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures, revtex4, Talk given at the Workshop on the Frontiers of Theoretical Physics and Cross-Disciplinary, NSFC,

Scientific paper

10.1007/s11433-006-0357-z

There are different approaches for the hadronic B decay calculations, recently. In this paper, we upgrade three of them, namely factorization, QCD factorization and the perturbative QCD approach based on $k_T$ factorization, by using new parameters and full wave functions. Although they get similar results for many of the branching ratios, the direct CP asymmetries predicted by them are different, which can be tested by recent experimental measurements of B factories.

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