Basis independent study of Supersymmetry without R-parity and the tau neutrino mass

Details Basis independent study of Supersymmetry without R-parity and the tau neutrino mass Basis independent study of Supersymmetry without R-parity and the tau neutrino mass

1998-10-15

arxiv.org/abs/hep-ph/9810371v3

Phys.Rev. D60 (1999) 095012

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 5 figures; revised version

Scientific paper

10.1103/PhysRevD.60.095012

In the most general R-parity violating model, including both bilinear and trilinear terms, the sneutrino receives a vacuum expectation value. We investigate the constraints on this vev following a basis independent approach, highlighting the relations between the three most popular basis. We study the prediction for the tau neutrino mass which follows from the minimization of the scalar potential in a SUGRA model with universality of the soft parameters at the GUT scale. Finally we show that the tau neutrino mass controls the R-parity violating effects both in the fermionic and scalar sectors.

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