Generic Gravitational Corrections to Gauge Couplings in SUSY SU(5) GUTs

Details Generic Gravitational Corrections to Gauge Couplings in SUSY SU(5) GUTs Generic Gravitational Corrections to Gauge Couplings in SUSY SU(5) GUTs

1999-09-02

arxiv.org/abs/hep-ph/9909227v1

Phys.Lett. B468 (1999) 111-117

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, latex, 4 figures

Scientific paper

10.1016/S0370-2693(99)01196-X

We study non-universal corrections to the gauge couplings due to higher dimensional operators in supersymmetric SU(5) grand unified theories. The corrections are, in general, parametrized by three components originating from {\bf 24}, {\bf 75} and {\bf 200} representations. We consider the prediction of $\alpha_3(M_Z)$ along each {\bf 24}, {\bf 75} and {\bf 200} direction, and their linear combinations. The magnitude of GUT scale and its effects on proton decay are discussed. Non-SUSY case is also examined.

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