New paths through the desert: Improving on minimal SU(5)
Journal Article
·
· Phys. Rev. D; (United States)
We present a model with a particle spectrum identical to minimal SU(5) below the SU(5)-breaking mass scale M/sub X/, where the gauge group is the standard SU/sub C/(3) x (SU/sub L/(2) x U(1) /sub GWS/ (GWS = Glashow-Weinberg-Salam). However, unlike minimal SU(5), a nonstandard hypercharge embedding into E/sub 6/ allows our model to have M/sub X/ large enough to agree with present limits on proton decay and simultaneously have a weak mixing angle in agreement with the experimental value extracted from the W and Z/sup 0/ masses.
- Research Organization:
- Department of Physics, Purdue University, West Lafayette, Indiana 47907
- OSTI ID:
- 6044596
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 30:9; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645301 -- High Energy Physics-- Particle Invariance Principles & Symmetries-- General-- (-1987)
645400* -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BOSONS
DECAY
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
INTERMEDIATE BOSONS
LIE GROUPS
LIFETIME
MASS FORMULAE
MATHEMATICAL MODELS
NUCLEONS
PARTICLE DECAY
PARTICLE MODELS
POSTULATED PARTICLES
PROTONS
RENORMALIZATION
SU GROUPS
SU-2 GROUPS
SU-3 GROUPS
SU-5 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEAK PARTICLE DECAY
645400* -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BOSONS
DECAY
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
INTERMEDIATE BOSONS
LIE GROUPS
LIFETIME
MASS FORMULAE
MATHEMATICAL MODELS
NUCLEONS
PARTICLE DECAY
PARTICLE MODELS
POSTULATED PARTICLES
PROTONS
RENORMALIZATION
SU GROUPS
SU-2 GROUPS
SU-3 GROUPS
SU-5 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEAK PARTICLE DECAY