Probing the Majorana mass scale of right-handed neutrinos in mSUGRAF. Deppisch1, H. Päs1, A. Redelbach1, R. Rückl1 and Y. Shimizu2
1 Institut für Theoretische Physik und Astrophysik, Universität Würzburg, 97074 Würzburg, Germany
2 Department of Physics, Nagoya University, Nagoya 464-8602, Japan
(Received: 14 June 2002 / Revised version: 7 January 2003 / Published online: 14 April 2003 )
We discuss the perspectives of testing the right-handed Majorana mass scale MR 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. Non-observation of in the next-generation PSI experiment will provide upper bounds on MR of the order of GeV, while on the other hand, a positive signal for at SUPERKEKB or the LHC may determine MR for a given mSUGRA scenario with an accuracy of a factor of 2.
© Società Italiana di Fisica, Springer-Verlag 2003