CP violation in $B \to ΦK_S$ in a model III 2HDM

Details CP violation in $B \to ΦK_S$ in a model III 2HDM CP violation in $B \to ΦK_S$ in a model III 2HDM

2003-07-29

arxiv.org/abs/hep-ph/0307354v4

Phys.Rev. D68 (2003) 114020

Physics

High Energy Physics

High Energy Physics - Phenomenology

Minor changes, version to appear in PRD

Scientific paper

10.1103/PhysRevD.68.114020

The mixing induced time dependent CP asymmetry, direct CP asymmetry, and branching ratio in $B \to \Phi K_S$ in a model III 2HDM are calculated, in particular, neutral Higgs boson contributions are included. It is shown that satisfying all the relevant experimental constraints, for time dependent CP asymmetry $S_{\phi K}$ the model III can agree with the present data, $S_{\phi k}=-0.39\pm 0.41$, within the $1\sigma$ error, and the direct CP asymmetry which is zero in SM can be about $ -8% \sim -20%$ in the reasonable regions of parameters.

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