$μ\to e γ$ in supersymmetric multi U(1) models with an abelian gaugino mixing

Details $μ\to e γ$ in supersymmetric multi U(1) models with an abelian gaugino mixing $μ\to e γ$ in supersymmetric multi U(1) models with an abelian gaugino mixing

1997-05-23

arxiv.org/abs/hep-ph/9705405v2

Phys.Lett. B416 (1998) 108-116

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, latex, 2 eps-figures, some explanations are added under eq. (19) and English is corrected, to be published in Phys.

Scientific paper

10.1016/S0370-2693(97)01298-7

A lepton flavor violating process $\mu\to e\gamma$ is investigated in the supersymmetric extra U(1) models, which often appear as the low energy effective models of superstring and can potentially solve the $\mu$-problem. The branching ratio of this process is calculated. It is numerically estimated and compared with that of the MSSM. In this study we take account of an abelian gaugino kinetic term mixing and discuss its influence on this process. The possibility to find the extra gauge structure through this process is discussed.

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