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Lepton-flavor-violating decays L->l gamma gamma as a new probe of supersymmetry with broken R-parity

Alexander Gemintern·Shaouly Bar-Shalom·Gad Eilam·Frank Krauss
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Abstract

Lepton-flavor-violating decays of the type L->l gamma gamma (mu->e gamma gamma, tau->e gamma gamma, and tau->mu gamma gamma) are proposed as new probes of R-parity-violating supersymmetry. Non-penguin diagrams with a sneutrino that decays into two photons via a triangle graph might trigger such decays even in the absence of the corresponding radiative decays into one photon only, e.g. mu->e gamma. Thus, processes of the type L->l gamma gamma may provide an independent probe of new flavor physics.

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Alexander Gemintern, Shaouly Bar-Shalom, Gad Eilam, Frank Krauss. 2003-02-20. Lepton-flavor-violating decays L->l gamma gamma as a new probe of supersymmetry with broken R-parity. https://doi.org/10.1103/physrevd.67.115012

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