Neutrino mass and magnetic moment in supersymmetry without R-parity in the light of recent data

Abstract

We consider the generation of neutrino Majorana mass and transition magnetic moment by the lepton-number violating $\lambda$ and/or ${\lambda }^{\prime }$ couplings in R-parity-violating supersymmetric models. We update (and improve) the existing upper limits on the relevant couplings using the most recent data on neutrino masses and mixings, indicating also the possible improvement by the GENIUS project. We study the implication of this update on the induced neutrino magnetic moment.

7 pages, Latex, uses axodraw.sty; refs updated, to appear in PLB

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