CP Violation in the Decay $b\rightarrow sγ$ in the Two-Higgs Doublet Model

Details CP Violation in the Decay $b\rightarrow sγ$ in the Two-Higgs Doublet Model CP Violation in the Decay $b\rightarrow sγ$ in the Two-Higgs Doublet Model

1994-10-10

arxiv.org/abs/hep-ph/9410253v1

Phys.Rev.Lett.73:2809-2812,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex, 9 pages, (To appear in Phys. Rev. Lett. 1994), DOE-ER/40682-78, CMU-HEP94-24

Scientific paper

10.1103/PhysRevLett.73.2809

In the most general two-Higgs doublet model with an approximate family symmetry and CP violation being originated solely from the relative phase of two vacuum expectation values, CP asymmetry in the decay $b\rightarrow s\gamma$ may arise from the CP violation of the charged Higgs boson interactions with fermions. This asymmetry may be larger than in the standard model and can lie between $10^{-2}$ and $10^{-1}$. The decay rate of $b\rightarrow s\gamma$ is allowed to be smaller or larger than in the standard model

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