Dimuon CP Asymmetry in B Decays and Wjj Excess in Two Higgs Doublet Models

Details Dimuon CP Asymmetry in B Decays and Wjj Excess in Two Higgs Doublet Models Dimuon CP Asymmetry in B Decays and Wjj Excess in Two Higgs Doublet Models

2011-04-27

arxiv.org/abs/1104.5209v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures

Scientific paper

We analyze the puzzle of the dimuon CP asymmetry in B_s decays in two Higgs doublet models. We show that the flavor changing neutral current (FCNC) induced by the Higgs coupling in a type III two Higgs doublet model provides a solution to the dimuon charge asymmetry puzzle by enhancing the absorbtive part of the mixing amplitude \Gamma_{12}^s. We investigate different experimental constraints and show that it is possible to enhance \Gamma_{12}^s in order to explain the dimuon asymmetry observed by D0. This enhancement requires large Higgs couplings to the first and second generations of quarks which may also explain the recent 3.2 \sigma Wjj excess observed by CDF.

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