Symmetry breaking and intermediate mass scales in the SO(10) grand unified theory

Journal Article · Sat Nov 01 04:00:00 EST 1980 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.22.2244· OSTI ID:6939042

Rajpoot, S

An attempt is made to fill in the particle-mass gap between the ordinary masses of a few hundred GeV and the grand unification mass of 10/sup 15/ GeV by incorporating two and three stages of spontaneous symmetry breaking in the various descents of SO(10) to the low-energy symmetry SU(2)/sub L/ x U(1) x SU(3)/sub c/. It is shown that intermediate masses of order 10/sup 10/ GeV can exist in the particle-mass gap. Values lower than 10/sup 10/ GeV can only be achieved at the expense of pushing the grand unifying mass to the Planck mass. Also similarities in the gauge structure and differences in the Higgs-scalar and fermion representations of the SU(2)/sub L/ x SU(2)/sub R/ x SU(4)/sub c/-based Pati-Salam model and its synthesis into SO(10) are pointed out.

• Research Organization: Blackett Laboratory, Prince Consort Road, London SW7 2BZ, England
• OSTI ID: 6939042
• Journal Information: Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 22:9; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645302* -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRALITY
COUPLING CONSTANTS
GAUGE INVARIANCE
HIGGS MODEL
INVARIANCE PRINCIPLES
LIE GROUPS
MASS
MATHEMATICAL MODELS
PARTICLE MODELS
PARTICLE PROPERTIES
RENORMALIZATION
SO GROUPS
SPINORS
SU GROUPS
SU-2 GROUPS
SU-4 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS