Implications of $b\rightarrow sγ$ for CP Violation in Charged Scalar Exchange

Details Implications of $b\rightarrow sγ$ for CP Violation in Charged Scalar Exchange Implications of $b\rightarrow sγ$ for CP Violation in Charged Scalar Exchange

1993-06-20

arxiv.org/abs/hep-ph/9306292v1

Phys.Lett.B313:126-130,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures available upon request, TeX, WIS-93/51/Jun-PH

Scientific paper

10.1016/0370-2693(93)91201-W

In models of three or more scalar doublets, new CP violating phases appear in charged scalar exchange. These phases affect CP asymmetries in neutral $B$ decays, even if Natural Flavor Conservation holds. The recent upper bound on the decay $b\rightarrow s\gamma$ constrains the effect to be at most of order a few percent. Modifications of constraints on the CKM parameters open an interesting new region in the $\sin2\alpha-\sin2\beta$ plane even in the absence of new phases.

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