Generic gravitational corrections to gauge couplings in SUSYSU(5) GUTs

Authors
Huitu, K Kawamura, Y Kobayashi, T Puolamaki, K
Citation
K. Huitu et al., Generic gravitational corrections to gauge couplings in SUSYSU(5) GUTs, PHYS LETT B, 468(1-2), 1999, pp. 111-117
Citations number
32
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
03702693 → ACNP
Volume
468
Issue
1-2
Year of publication
1999
Pages
111 - 117
Database
ISI
SICI code
0370-2693(19991125)468:1-2<111:GGCTGC>2.0.ZU;2-P
Abstract
We study non-universal corrections to the gauge couplings due to higher dim ensional operators in supersymmetric SU(5) grand unified theories. The corr ections are, in general, parametrized by three components originating from 24, 75 and 200 representations. We consider the prediction of alpha(3)(M-z) along each 24, 75 and 200 direction, and their linear combinations. The ma gnitude of GUT scale and its effects on proton decay are discussed. Non-SUS Y case is also examined. (C) 1999 Published by Elsevier Science B.V. All ri ghts reserved.