Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-08-26
Mod.Phys.Lett. A16 (2001) 2169-2175
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 9 pages
Scientific paper
10.1142/S0217732301005473
In view of the recent announcement on non-zero neutrino mass from Super-Kamiokande experiment, it would be very timely to investigate all the possible scenarios on masses and mixings of light neutrinos. Recently suggested mass matrix texture for the quark CKM mixing, which can be originated from the family permutation symmetry and its suitable breakings, is assumed for the neutrino mass matrix and determined by the four combinations of solar, atmospheric and LSND neutrino data and cosmological hot dark matter bound as input constraints. The charged-lepton mass matrix is assumed to be diagonal so that the neutrino mixing matrix can be identified directly as the lepton flavor mixing matrix and no CP invariance violation originates from the leptonic sector. The results favor hierarchical patterns for the neutrino masses, which follow from the case when either solar-atmospheric data or solar-HDM constraints are used.
Kang Kyungsik
Kang Sin Kyu
Kim Chang Sub
Kim Sun Myoung
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