Implication of Super-Kamiokande Data on R-parity Violation

Details Implication of Super-Kamiokande Data on R-parity Violation Implication of Super-Kamiokande Data on R-parity Violation

1998-10-31

arxiv.org/abs/hep-ph/9811201v2

Phys.Rev. D60 (1999) 075006

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTeX, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.075006

R-parity violating bilinear (soft) terms in the supersymmetric standard model would be the leading source for nonzero neutrino masses and mixing. We point out that the mixing between neutralinos (charginos) and neutrinos (charged leptons) driven by the bilinear terms take factorized forms, which may enable us to probe the neutrino mixing parameters in a collider. It is then shown that the Super-Kamiokande data on atmospheric neutrinos require all the baryon number violating couplings to be substantially suppressed: $\lambda''_{\rm any} <10^{-9}$.

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