Anomalous U(1) Gauge Symmetry and Lepton Flavor Violation
スポンサーリンク
概要
- 論文の詳細を見る
In recent years, many people have studied the possibility that the anomalous U(1) gauge symmetry is a trigger of SUSY breaking and/or an origin of the fermion mass hierarchy. Though it is interesting that the anomalous U(1) symmetry may explain these two phenomena simultaneously, it causes a negative stop mass squared or a severe fine-tuning in order to avoid the FCNC problem. Recently, it was pointed out that the F-term contribution of the dilaton field can dominate the flavor-dependent contribution from the anomalous U(1) D-term, so that the FCNC problem may be naturally avoided. In this paper, we study the case in which the dilaton is stabilized by the deformation of the Kahler potential for the dilaton and find that the order of the ratio of the F-term to the D-term contributions is generally determined. This implies that the branching ratio of μ→eγ can be found around the present experimental bound.
- 理論物理学刊行会の論文
- 1999-07-25
著者
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Maekawa Nobuhiro
Department Of Physics Kyoto University : Physik Department Technische Universitat Munchen
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Maekawa N
名古屋大学大学院理学研究科
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Maekawa Nobuhiro
Department Of Anesthesia And Perioperative Medicine Kobe University
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KUROSAWA Kiichi
Yukawa Institute for Theoretical Physics, Kyoto University
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MAEKAWA Nobuhiko
Department of Physics, Kyoto University
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Kurosawa Kiichi
Yukawa Institute For Theoretical Physics Kyoto University : Department Of Physics University Of Toky
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MAEKAWA Nobuhiro
Department of Physics. Kyoto University
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MAEKAWA Nobuhiro
Departinrnt of Physics, Kyoto University
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Kurosawa Kiichi
Yukawa Institute for Theoretical Physics, Kyoto University : Department of Physics, University of Tokyo
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