Atmospheric neutrino oscillation and a phenomenological lepton mass matrix
نویسندگان
چکیده
منابع مشابه
Atmospheric Neutrino Oscillation and a Phenomenological Lepton Mass Matrix
We propose simple phenomenological lepton mass matrices which describe the three neutrinos almost degenerate in mass, leading to a very large mixing angle between νμ and ντ , as consistent with a recent report on atmospheric neutrino oscillation from the Superkamiokande collaboration. Our matrix model also gives νe − νμ mixing in agreement with the value required for neutrino oscillation to exp...
متن کاملPhenomenological quark-lepton mass relations and neutrino mass estimations
Based on the experimental data and estimations of the charged leptons and quark masses, a close power law with exponent 3/4 has been found, connecting the charged lepton masses and up quarks masses. It has been shown that this approximation is considerably better than any known approach. A similar mass relation has been suggested for the masses of the neutral leptons and down quarks. The latter...
متن کاملLepton Family Symmetry and Neutrino Mass Matrix
The standard model of leptons is extended to accommodate a discrete Z3 × Z2 family symmetry. After rotating the charged-lepton mass matrix to its diagonal form, the neutrino mass matrix reveals itself as very suitable for explaining atmospheric and solar neutrino oscillation data. A generic requirement of this approach is the appearance of three Higgs doublets at the electroweak scale, with obs...
متن کاملBi-maximal Lepton Flavor Mixing Matrix and Neutrino Oscillation
Recently, many authors showed that if the solar and atmospheric neutrino data are both described by maximal mixing vacuum oscillations at the relevant mass scale, then there exists a unique bi-maximal lepton mixing matrix for three neutrino flavors. We construct the lepton mass matrices from the symmetry principle so that maximal mixings for the atmospheric and the solar neutrino vacuum oscilla...
متن کاملA Phenomenological Study on Lepton Mass Matrix Textures
The three active light neutrinos are used to explain the neutrino oscillations. The inherently bi-large mixing neutrino mass matrix and the Fritzsch type, bi-small mixing charged lepton mass matrix are assumed. By requiring the maximal νμ − ντ mixing for the atmospheric neutrino problem and the masssquared difference approperiate for the almost maximal mixing solution to the solar neutrino prob...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 1998
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.57.4429