How unique are SU(5) and SO(10) grand unified theories

Journal Article · Fri May 15 04:00:00 EDT 1981 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.23.2486· OSTI ID:6405155

Tosa, Y; Okubo, S

We find that SU(5) and SO(10) grand unified theories are almost uniquely chosen under the major ansatz: only left-handed particles in SU(2) doublets and their antiparticles in SU(2) singlets. We have not used any information on the color group, family structures, or quark-lepton correspondence, etc., at all. The consequence of grand unification is that the color group is SU(3), quarks come in color triplet, and their electric charges are 2/3 and -1/3.

• Research Organization: Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627
• OSTI ID: 6405155
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 23:10; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645301* -- High Energy Physics-- Particle Invariance Principles & Symmetries-- General-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COLOR MODEL
COMPOSITE MODELS
ELEMENTARY PARTICLES
LIE GROUPS
MATHEMATICAL MODELS
PARTICLE MODELS
POSTULATED PARTICLES
QUANTUM NUMBERS
QUARK MODEL
QUARKS
SO GROUPS
SU GROUPS
SU-5 GROUPS
SYMMETRY GROUPS
UNIFIED GAUGE MODELS