Like-Sign Dimuon Asymmetry of B^0 Meson and LFV in SU(5) SUSY GUT with S_4 Flavor Symmetry(Particles and Physics)
スポンサーリンク
概要
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The like-sign dimuon charge asymmetry of the B meson, which was reported in the DO Collaboration, is studied in the SU(5) SUSY GUT model with S_4 flavor symmetry. Additional CP violating effects from the squark sector are discussed in B_s-B^^-_s mixing process. The predicted like-sign charge asymmetry is in the 2σ range of the combined result of DO and CDF measurements. Since the SUSY contributions in the quark sector affect to the lepton sector because of the SU(5) GUT relation, two predictions are given in the leptonic processes: (i) both BR(μ→eγ) and the electron EDM are close to the present upper bound, (ii) the decay ratios of τ decays, τ→μγ and τ→eγ, are related to each other via the Cabibbo angle λ_c: BR(τ→eγ)/BR(τ→μγ)≃λ_c^2. These are testable at future experiments.
- 2011-10-25
著者
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ISHIMORI Hajime
Graduate School of Science and Technology, Niigata University
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SHIMIZU Yusuke
Graduate School of Science and Technology, Niigata University
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Ishimori Hajime
Graduate School Of Science And Technology Niigata University
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Tanimoto Morimitsu
Department Of Physics Ehime University
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Shimizu Yusuke
Graduate School Of Science And Engineering University Of Toyama
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Ishimori Hajime
Niigata Univ. Niigata Jpn
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Kajiyama Yuji
Department Of Physics Niigata University:national Institute Of Chemical Physics And Biophysics:akita
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KAJIYAMA Yuji
Department of Physics, Niigata University:National Institute of Chemical Physics and Biophysics:Akita Highschool
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