Discrete Gauge Symmetries in Axionic Extensions of the SSM

Abstract

We examine discrete gauge symmetries in axionic extensions of the SSM which provide a solution of the $\mu$-problem. Automatic-PQ symmetry and proton stability are shown to be guaranteed by certain discrete symmetries. Focusing on the L-violating discrete symmetries we discuss two sources of neutrino masses and their relevance for the solar neutrino problem.

13 pages, TUM-TH-150/92, MPI-Ph/92-71

References in corpus (4)

• Planck-Scale Physics and the Peccei-Quinn Mechanism
• Solutions to the strong CP problem in a world with gravity
• Note on Discrete Gauge Anomalies
• Axino Mass

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