Lepton-Flavour Violation in Ordinary and Supersymmetric Grand Unified Theories : Elementary Particles and Fields

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概要

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• By an explicit calculation we show that in ordinary SU(5) logarithmic divergence in the amplitude of μ→eγ cancels among diagrams and remaining finite part is suppressed by at least 1/M^2_<GUT>. In SUSY SU(5), when the effect of flavour changing wave function renormalization is taken into account such logarithmic correction disappears, provided a condition is met among SUSY breaking masses. In SUGRA-inspired SUSY GUT the remaining logarithmic effect is argued not to be taken as a prediction of the theory.

• 社団法人日本物理学会の論文
• 2000-02-15

著者

• TAGA Bungo

  Graduate School of Science and Technology, Kobe University

• Lim C.s

  Department Of Physics Kobe University

• Taga Bungo

  Graduate School Of Science And Technology Kobe University

• Lim C.s.

  Department Fo Physics Kobe University

関連論文

• Effective Action Approach to Heavy Particle Contributions and Wilsonian Renormalization
• Lepton-Flavour Violation in Ordinary and Supersymmetric Grand Unified Theories : Elementary Particles and Fields

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