Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-07-31
JHEP0508:031,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 16 pages, 4 figures. Updated refs. Uses JHEP3.cls
Scientific paper
10.1088/1126-6708/2005/08/031
A spontaneously broken non-Abelian SU(3) family symmetry can generate a realistic form for quark, charged lepton and neutrino masses and mixing angles. It also gives a new solution to the SUSY flavour problem by ensuring near family degeneracy of the soft mass SUSY breaking terms. However the need to generate large third generation fermion masses means that the group must be strongly broken to SU(2) giving significant corrections to the third family squark and slepton masses. We investigate the phenomenological implications of such breaking and show that it leads to new solutions capable of fitting all present experimental measurements and bounds as well as the dark matter abundance.
Ramage M. R.
Ross Graham G.
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