Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-15
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 pages, To be published in the Proc. of ICHEP2000 Osaka Japan
Scientific paper
We discuss a supersymmetric extension of the standard model with an extra U(1) gauge symmetry. In this model, the proton stability is guaranteed by the gauge symmetry without invoking R parity. The gauge symmetry breakdown automatically generates an effective $\mu$ term and large Majorana masses for right-handed neutrinos. The supersymmetry-soft-breaking terms for scalar fields could be universal at a very high energy scale, and the electroweak symmetry is broken through radiative corrections.
Aoki Mayumi
Oshimo Noriyuki
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