Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-09-11
EconfC0306234:737-743,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, 2 figures, Latex2e, Talk given by L. V. Laperashvili at the Fifth International Conference ``Symmetry in Nonlinear Ma
Scientific paper
Family Replicated Gauge Group models of the type SU(n)^N\times SU(m)^N, (SMG)^3 and (SMG\times U(1)_{B-L})^3 are reviewed, where SMG=SU(3)_{c}\times SU(2)_{L}\times U(1)_{Y} is the gauge symmetry group of the Standard Model, $B$ is the baryon and $L$ is the lepton numbers, respectively. It was shown that Family Replicated Gauge Group model of the latter type fits the Standard Model fermion masses and mixing angles and describes all neutrino experiment data order magnitudewise using only 5 free parameters -- five vacuum expectation values of the Higgs fields which break the Family Replicated Gauge Group symmetry to the Standard Model. The possibility of [SU(5)]^3 or [SO(10)]^3 unification at the GUT-scale \sim 10^{18} GeV also is briefly considered.
Froggatt Colin D.
Laperashvili Larisa V.
Nielsen Holger Bech
Takanishi Yasutaka
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