Large muon- and electron-number nonconservation in supergravity theories

Details Large muon- and electron-number nonconservation in supergravity theories Large muon- and electron-number nonconservation in supergravity theories

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..57..961b&link_type=abstract

Physical Review Letters, Volume 57, Issue 8, August 25, 1986, pp.961-964

Physics

422

Flavor Symmetries, Supergravity, Supersymmetric Partners Of Known Particles

Scientific paper

We discuss muon and electron lepton-number nonconservation due to renormalization effects of the scalar-lepton mass matrix in spontaneously broken N=1 supergravity theories. Differently from the case of massless or dirac neutrinos, we find that if neutrinos are Majorana particles in a ``see-saw'' scheme the couplings photino-lepton-Scalar-lepton lead to sizable rates for the processes μ-->eγ and μ+nucleus-->e+nucleus. We discuss the constraints derived from the present experimental bounds.

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