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- W2077975067 endingPage "257" @default.
- W2077975067 startingPage "233" @default.
- W2077975067 abstract "We show that in a large class of models based on anomalous U(1) symmetry which addresses the fermion mass hierarchy problem, leptonic flavor changing processes are induced that are in the experimentally interesting range. The flavor violation occurs through the renormalization group evolution of the soft SUSY breaking parameters between the string scale and the U(1)_A breaking scale. We derive general expressions for the evolution of these parameters in the presence of higher dimensional operators. Several sources for the flavor violation are identified: flavor-dependent contributions to the soft masses from the U(1)_A gaugino, scalar mass corrections proportional to the trace of U(1)_A charge, non-proportional A-terms from vertex corrections, and the U(1)_A D-term. Quantitative estimates for the decays mu -> e gamma and tau -> mu gamma are presented in supergravity models which accommodate the relic abundance of neutralino dark matter." @default.
- W2077975067 created "2016-06-24" @default.
- W2077975067 creator A5029753048 @default.
- W2077975067 creator A5034380308 @default.
- W2077975067 creator A5044297482 @default.
- W2077975067 date "2004-02-01" @default.
- W2077975067 modified "2023-09-23" @default.
- W2077975067 title "Anomalous U(1) symmetry and lepton flavor violation" @default.
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