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Probing the Majorana mass scale of right-handed neutrinos in mSUGRA

F. Deppisch·H. Päs·A. Redelbach·R. Rückl·Y. Shimizu
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Abstract

We discuss the perspectives of testing the right-handed Majorana mass scale M_R of the SUSY see-saw model in the mSUGRA framework. Lepton-flavor violating low energy processes are analyzed in recently proposed post-LEP benchmark scenarios, taking into account present uncertainties and future developments in the neutrino sector. Nonobservation of mu -> e gamma in the next-generation PSI experiment will provide upper bounds on M_R of the order of 10^(12-14) GeV, while on the other hand, a positive signal for tau -> mu gamma at SUPERKEKB or the LHC may determine M_R for a given mSUGRA scenario with an accuracy of a factor of 2.

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F. Deppisch, H. Päs, A. Redelbach, R. Rückl, Y. Shimizu. 2003-04-17. Probing the Majorana mass scale of right-handed neutrinos in mSUGRA. https://doi.org/10.1140/epjc%2Fs2003-01184-6

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