Published July 1995
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A low αs and supersymmetric GUTs: A possible resolution
Creators
- 1. International School of Advanced Studies, Trieste (Italy)
- 2. International Centre for Theoretical Physics, Trieste (Italy)
Description
We consider a simple mechanism in a supersymmetric GUT with an extra reverse doublet-triplet splitting near the GUT scale, where the mass of an extra doublet is greater than the mass of an extra triplet by a few orders of magnitude. This extra splitting can lower the prediction of αs via threshold corrections and make it consistent with the values being suggested by various low energy measurements. As an example we implement this mechanism in a supersymmetric SO(10) GUT with a built-in Dimopoulos-Wilczek mechanism of doublet-triplet splitting as well as a mechanism to suppress the Higgsino mediated proton decay strongly. (author). 17 refs, 2 figs, 1 tab
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Additional details
Publishing Information
- Imprint Pagination
- 8 p.
- Report number
- IC--95/133
INIS
- Country of Publication
- International Atomic Energy Agency (IAEA)
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 26078112
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- GRAND UNIFIED THEORY; MASS; SO-10 GROUPS; SPARTICLES; SUPERMULTIPLETS; SUPERSYMMETRY; TRIPLETS
- Descriptors DEC
- ELEMENTARY PARTICLES; FIELD THEORIES; LIE GROUPS; MATHEMATICAL MODELS; MULTIPLETS; PARTICLE MODELS; POSTULATED PARTICLES; QUANTUM FIELD THEORY; SO GROUPS; SYMMETRY; SYMMETRY GROUPS; UNIFIED GAUGE MODELS