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SUMMARY:Discrete and Unified ideas for fermion mixing
DTSTART;VALUE=DATE-TIME:20050314T140000Z
DTEND;VALUE=DATE-TIME:20050314T150000Z
DTSTAMP;VALUE=DATE-TIME:20261113T095632Z
UID:indico-event-1416@indico.ific.uv.es
DESCRIPTION:In recent years\, our knowledge of the flavor structure in the
  leptonsector greatly improved thanks to neutrino oscillation experiments.
 The pattern of fermion masses and mixing angles gives importantindications
  about what is the physics beyond the Standard Model.We investigate two co
 mplementary approaches to this Flavor Problem.First\, we consider discrete
  groups as family symmetries\, in particular as a tool to generate a maxim
 al 2-3 mixing or a zero 1-3 mixing.Recently proposed models are discussed\
 , based on the permutation group $S_3$\, the quaternion group $Q_8$\, or t
 he rectangle group $Z_2 \\times Z_2$\, with definite predictions for quark
  and lepton masses and mixing. The phenomenology of the associated electro
 weak Higgs sector is presented.Second\, we consider some recent analyses o
 f the Flavor Sector in SUSY SO(10) Grand Unification Theories. The merits 
 and limits of the "minimal SUSY GUT" model are discussed: maximal mixing i
 s related with $b-\\tau$ unification\, but the global fit of all masses an
 d mixing is problematic. We suggest a minimal extensionof the GUT Higgs se
 ctor which improves the fit in a predictive way.\n\nhttps://indico.ific.uv
 .es/event/1416/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1416/
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