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

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dc.creatorDey, Paramita
dc.creatorKundu, Anirban
dc.creatorMukhopadhyaya, Biswarup
dc.creatorNandi, Soumitra
dc.date2008-08-11
dc.date2008-12-30
dc.date.accessioned2026-07-07T12:30:16Z
dc.date.available2026-07-07T12:30:16Z
dc.descriptionWe 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.
dc.descriptionRevised version, 25 pages, 16 figures
dc.identifierhttps://arxiv.org/abs/0808.1523
dc.identifierhttp://arxiv.org/abs/0808.1523
dc.identifierJHEP 0812:100,2008
dc.identifierdoi:10.1088/1126-6708/2008/12/100
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216083
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo-loop neutrino masses with large R-parity violating interactions in supersymmetry
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