Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-04-22
Mod.Phys.Lett. A15 (2000) 29-40
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, LaTeX
Scientific paper
10.1142/S0217732300000062
Recently various phenomenological implications of the existence of extra space-time dimensions have been investigated. In this letter, we construct a model with realistic fermion mass hierarchy with (large) extra dimensions beyond the usual four dimensions. In this model, it is assumed that some matter fields live in the bulk and the others are confined on our four dimensional wall. It can naturally reproduce the quark and lepton mass hierarchy and mixing angles without any symmetry arguments. We also discuss some possibilities of obtaining suitable neutrino masses and mixings for the solar and atmospheric neutrino problems.
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