Constraints on both bilinear and trilinear R-parity violating couplings from neutrino laboratories and astrophysics data

Details Constraints on both bilinear and trilinear R-parity violating couplings from neutrino laboratories and astrophysics data Constraints on both bilinear and trilinear R-parity violating couplings from neutrino laboratories and astrophysics data

2000-07-05

arxiv.org/abs/hep-ph/0007041v1

Phys.Lett. B492 (2000) 310-320

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 1 PS figures, REVTeX

Scientific paper

10.1016/S0370-2693(00)01105-9

We consider neutrino masses generated at tree level and at one loop, through fermion--sfermion loop diagrams, in the MSSM with R-parity violation. Using the $(3\times 3)$ mass and mixing matrices for three generations of neutrinos and the present experimental results on neutrinos from laboratories and astrophysics simultaneously, we put bounds on both trilinear ($\lambda_{ijk}, \lambda'_{ijk}$) and bilinear ($\mu_{e},\mu_\mu,\mu_\tau$) R-parity-violating couplings.

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