Neutrino masses in the R-parity violating MSSM

Details Neutrino masses in the R-parity violating MSSM Neutrino masses in the R-parity violating MSSM

2000-05-09

arxiv.org/abs/hep-ph/0005080v3

JHEP 0005 (2000) 021

Physics

High Energy Physics

High Energy Physics - Phenomenology

mass dimensions in column four of table corrected

Scientific paper

10.1088/1126-6708/2000/05/021

We compute one loop neutrino masses in the R-parity violating Minimal Supersymmetric Model, including the bilinear R-parity violating masses in the mass insertion approximation. To the order we calculate, our results are independent of the Higgs-lepton basis choice. We have a variety of perturbative parameters-gauge, yukawa and trilinear couplings, and R_p violating masses. Their relative magnitudes determine which diagrams are relevant for neutrino mass calculations. We find new loop diagrams which can be relevant and have frequently been neglected in the past. For the Grossman-Haber neutral loop contribution to the neutrino mass matrix we obtain explicit analytic results.

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