Published January 1996 | Version v1
Journal article

Reconciling supersymmetric grand unification with αs(mZ)≅0.11

  • 1. Theoretical Physics Institute, University of Minnesota, Minneapolis, Minnesota 55455 (United States)

Description

We argue that supersymmetric grand unification of gauge couplings is not incompatible with small αs, even without large GUT-scale corrections, if one relaxes a usual universal gaugino mass assumption. A commonly assumed relation M2mgchar/3 is in gross contradiction with αs≅0.11. Instead, a small αs favors M2 much-lt mg|. If this is indeed the case our observation casts doubt on another commonly used relation M10.5M2 which originates from the same constraint of a common gaugino mass at the GUT scale. One firm prediction emerging within the small αs scenario with the unconstrained gaugino masses is the existence of a relatively light gluino below ∼200 GeV. copyright 1995 The American Physical Society

Additional details

Publishing Information

Journal Title
Physical Review. D, Particles Fields
Journal Volume
53
Journal Issue
1
Journal Page Range
p. 404-412.
ISSN
0556-2821
CODEN
PRVDAQ

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
27063760
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
CORRECTIONS; COUPLING CONSTANTS; GRAND UNIFIED THEORY; MASS; SUPERSYMMETRY
Descriptors DEC
FIELD THEORIES; MATHEMATICAL MODELS; PARTICLE MODELS; QUANTUM FIELD THEORY; SYMMETRY; UNIFIED GAUGE MODELS