Muon Anomalous Magnetic Moment and Lepton Flavor Violation

Details Muon Anomalous Magnetic Moment and Lepton Flavor Violation Muon Anomalous Magnetic Moment and Lepton Flavor Violation

2001-02-15

arxiv.org/abs/hep-ph/0102193v3

Phys.Rev. D64 (2001) 071301

Physics

High Energy Physics

High Energy Physics - Phenomenology

references added, the version to appear in PRD

Scientific paper

10.1103/PhysRevD.64.071301

A non-universal interaction, which involves only the third family leptons induces lepton flavor violating couplings and contributes to the anomalous magnetic moment of muon. In this paper, we study the effects of non-universal interaction on muon (g-2) and rare decay $\tau \to \mu \gamma$ by using an effective lagrangian technique, and a phenomenological $Z^\prime$ model where $Z^\prime$ couples only to the third family lepton. We find that the deviation from the theory can be explained and the induced $\tau \to \mu \gamma$ rate could be very close to the current experimental limit. In the $Z^\prime$ model, $M_{Z^\prime}$ has to be lighter than 2.6 TeV.

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