Direct CP Violation Asymmetries in Exclusive B Decays in a Bethe-Salpeter Approach

Details Direct CP Violation Asymmetries in Exclusive B Decays in a Bethe-Salpeter Approach Direct CP Violation Asymmetries in Exclusive B Decays in a Bethe-Salpeter Approach

1996-12-18

arxiv.org/abs/hep-ph/9612401v3

Phys.Lett. B398 (1997) 151-157

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, Latex, 2 eps-figures. Minor revisions. To be published in Phys.Lett.B

Scientific paper

10.1016/S0370-2693(97)00208-6

CP asymmetry in some exclusive decays of charged B meson are calculated in a Bethe-Salpeter approach. Hadronic final state interactions are ignored. Complex decay amplitudes are assumed to arise entirely from perturbative quark-antiquark loops. Calculations are done both with and without the gluon quark-antiquark vacuum polarization loops. The effects of neglecting the imaginary parts arising from the diagonal quark-antiquark loops are also studied.

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