SO(10) SUSY GUTs with mainly axion cold dark matter: implications for cosmology and colliders

Journal Article · Mon Aug 30 04:00:00 EDT 2010 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3489546· OSTI ID:21426561

Baer, Howard ^[1]

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1. Dept. of Physics and Astronomy, University of Oklahoma, Norman, OK, 73019 (United States)

Supersymmetric grand unified theories based on the gauge group SO(10) are highly motivated. In the simplest models, one expects t--b--{tau} Yukawa coupling unification, in addition to gauge, matter and Higgs unification. Yukawa unification only occurs with very special GUT scale boundary conditions, leading to a spectra with {approx} 10 TeV first and second generation scalars, TeV-scale third generation scalars, and light gauginos. The relic density of neutralino cold dark matter is calculated to be 10{sup 2}-10{sup 4} times higher than observation. If we extend the theory with the PQ solution to the strong CP problem, then instead a mixture of axions and axinos comprises the dark matter, with the measured abundance. Such a solution solves several cosmological problems. We predict a rather light gluino with m{sub g}-tilde{approx}300-500 GeV that should be visible in either Tevatron or forthcoming LHC run 1 data. We would also expect ultimately a positive result from relic axion search experiments.

• OSTI ID: 21426561
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1274; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
79 ASTRONOMY AND ASTROPHYSICS
ACCELERATORS
AXIONS
BOSONS
BOUNDARY CONDITIONS
CERN LHC
COSMOLOGY
CP INVARIANCE
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMILAB TEVATRON
FIELD THEORIES
GEV RANGE
GOLDSTONE BOSONS
GRAND UNIFIED THEORY
HIGGS BOSONS
HIGGS MODEL
INVARIANCE PRINCIPLES
LIE GROUPS
MATHEMATICAL MODELS
MATHEMATICAL SOLUTIONS
MATTER
NONLUMINOUS MATTER
NUCLEAR POTENTIAL
PARTICLE MODELS
POSTULATED PARTICLES
POTENTIALS
QUANTUM FIELD THEORY
SCALARS
SO GROUPS
SO-10 GROUPS
STORAGE RINGS
SUPERSYMMETRY
SYMMETRY
SYMMETRY GROUPS
SYNCHROTRONS
TEV RANGE
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
YUKAWA POTENTIAL