$A_{4}$ symmetry and neutrinos with very different masses

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18 August 2004

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 70 (3) , 031901
https://doi.org/10.1103/physrevd.70.031901

Abstract

The

A_{4}

model of leptons was proposed originally for nearly degenerate neutrino masses. With minimal modification, it is shown to accommodate as well the cases of normal hierarchy and inverted hierarchy. In all cases, this new model predicts

\sin^{2} 2 θ_{atm} = 1

and

\tan^{2} θ_{sol} = 0.5

for

U_{e 3} = 0.

It also predicts their deviations from 1 and 0.5 respectively for

U_{e 3} \neq 0.

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This publication has 26 references indexed in Scilit:

LEPTON FAMILY SYMMETRY AND NEUTRINO MASS MATRIX
Modern Physics Letters A, 2004
Tripartite neutrino mass matrix
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Physical Review D, 2001

A4symmetry and neutrinos with very different masses

Abstract

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$A_{4}$ symmetry and neutrinos with very different masses