Statistics – Computation
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.4830k&link_type=abstract
Physical Review D (Particles and Fields), Volume 47, Issue 11, 1 June 1993, pp.R4830-R4834
Statistics
Computation
6
Unified Theories And Models Of Strong And Electroweak Interactions, Quark And Lepton Masses And Mixing, Leptonic, Semileptonic, And Radiative Decays
Scientific paper
We find that the presence of a real scalar in the grand desert transforming as ζ(3,0,8) under SU(2)L×U(1)Y×SU(3)C ensures the agreement of the GUT predictions with the data from CERN LEP and proton lifetime (τp). The mass of ζ is predicted to be close to the Peccei-Quinn symmetry-breaking scale. The computation of the threshold effects in SU(5) with Higgs representations 24, 5, and 75 shows that the maximum allowed τp for reasonable superheavy Higgs boson masses is accessible to experimental tests at low energies. The additional predictions in SO(10) are small neutrino masses compatible with solutions to the solar-neutrino problem and the dark matter of the Universe.
Kynshi M. L.
Parida Mina K.
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