Gauge mediated supersymmetry breaking and neutrino anomalies

Details Gauge mediated supersymmetry breaking and neutrino anomalies Gauge mediated supersymmetry breaking and neutrino anomalies

1998-08-05

arxiv.org/abs/hep-ph/9808232v1

Phys.Rev. D60 (1999) 095009

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages including 7 figues

Scientific paper

10.1103/PhysRevD.60.095009

Supersymmetric standard model with softly broken lepton symmetry provides a suitable framework to accommodate the solar and atmospheric neutrino anomalies. This model contains a natural explanation for large mixing and hierarchal masses without fine tuning of the parameters. Neutrino spectrum is particularly constrained in the minimal messenger model (MMM) of gauge mediated SUSY breaking, since all SUSY breaking effects are controlled in MMM by a single parameter. We study the structure of neutrino masses and mixing both in MMM and in simple extensions of it in the context of solar and atmospheric neutrino anomalies.

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