Two-loop neutrino masses with large R-parity violating interactions in supersymmetry

Dey, Paramita ; Kundu, Anirban ; Mukhopadhyaya, Biswarup ; Nandi, Soumitra (2008) Two-loop neutrino masses with large R-parity violating interactions in supersymmetry Journal of High Energy Physics, 2008 (12). Article ID 100. ISSN 1126-6708

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Official URL: http://iopscience.iop.org/article/10.1088/1126-670...

Related URL: http://dx.doi.org/10.1088/1126-6708/2008/12/100

Abstract

We attempt to reconcile large trilinear R-parity violating interactions in a supersymmetric (SUSY) theory with the observed pattern of neutrino masses and mixing. We show that, with a restricted number of such interaction terms with the λ'-type couplings in the range (0.1-1.0), it is possible to forbid one-loop contributions to the neutrino mass matrix. This is illustrated with the help of a `working example' where an econnomic choice of SUSY parameters is made, with three non-vanishing and `large' R-parity violating terms in the superpotential. The two-loop contributions in such a case can not only generate the masses in the requisite order but can also lead us to specific allowed regions of the parameter space.

Item Type:Article
Source:Copyright of this article belongs to Institute of Physics Publishing.
Keywords:Neutrino Physics; Supersymmetric Standard Model
ID Code:114639
Deposited On:04 Jun 2018 08:45
Last Modified:04 Jun 2018 08:45

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