CP Asymmetries of B→_φK_S and B→_η'K_S in SUSY GUT Model with Non-Universal Sfermion Masses(Particles and Fields)
スポンサーリンク
概要
- 論文の詳細を見る
We analyze CP asymmetries of B→_φK_S and B→_η'K_S in a supersymmetric grand unified theory in which only the third generation sfermions contained in 10 (Q, U^c, E^c) of SU (5) can have a different mass from the others. One of the advantages of this nonuniversal mass model is that the first two generation sfermion masses can be large whereas both (left and right handed) stops are light so as to stabilize the weak scale. Therefore, we studied a minimal supersymmetric standard model parameter region in which a fine tuning in Higgs sector is relaxed owing to light masses of stops, gluino and higgsinos. In such a parameter region, the chargino contribution is as important as the gluino one. We show that the CP asymmetries of B→_φK_S and B→_η'K_S can deviate from their standard model predicted values by O (0.1) because of constructive interference between gluino and chargino contributions.
- 理論物理学刊行会の論文
- 2009-01-25
著者
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MAEKAWA Nobuhiro
Department of Physics, Nagoya University
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MATSUZAKI Akihiro
Department of Physics, Rikkyo University
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KIM Sung-Gi
Department of Physics, Nagoya University
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SAKURAI Kazuki
Department of Physics, Nagoya University
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Kim Sung-gi
Department Of Physics Nagoya University
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Sakurai Kazuki
Department Of Physics Nagoya University
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YOSHIKAWA Tadashi
Department of Internal Medicine, Kobe Rehabilitation Hospital
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Matsuzaki Akihiro
Rikkyo Univ. Tokyo Jpn
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Matsuzaki Akihiro
Department Of Physics Rikkyo University
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Maekawa Nobuhiro
Nagoya Univ. Nagoya Jpn
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Yoshikawa Tadashi
Department Of Physics Nagoya University
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Yoshikawa Tadashi
Department Of Applied Chemistry Kanagawa Institute Of Technology
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Maekawa Nobuhiro
Department Of Anesthesia And Perioperative Medicine Kobe University
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MAEKAWA Nobuhiro
Departinrnt of Physics, Kyoto University
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MATSUZAKI Akihiro
Department of Physics, Nagoya University
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MATSUZAKI Akihiro
Department of Mechanical Systems Engineering, Shinshu University
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YOSHIKAWA Tadashi
Department of Physics, Nagoya University
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MAEKAWA Nobuhiro
Department of Physics, Nagoya University:Kobayashi Maskawa Institute, Nagoya University
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SAKURAI Kazuki
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shinshu University
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