Extended GWS Model Using Left-Right Symmetry and Its Prediction on Neutrino Mass

Details Extended GWS Model Using Left-Right Symmetry and Its Prediction on Neutrino Mass Extended GWS Model Using Left-Right Symmetry and Its Prediction on Neutrino Mass

2008-11-18

arxiv.org/abs/0811.2852v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 1 figure, typos corrected, and abstract corrected

Scientific paper

We evaluate the predictions of the left-right symmetry model based on $SU(2)\otimes U(1)$ gauge group with one bidoublet and one doublet Higgs fields on the parity violation, charged leptons and neutrinos masses. Parity violation in the weak interaction is due to the very large $M_{W_{R}}$ mass compare to the $M_{W_{L}}$ mass. The charged leptons acquire a Dirac mass via ordinary Higgs mechanism, meanwhile the neutrinos acquire a very small Dirac masses via seesaw-like mechanism with values $m_{1}=0.000043$ eV, $m_{2}=0.008888$ eV, $m_{3}=0.014948$ eV when $\rho=8.4\times 10^{-11}$, or m_{1}=0.000014$ eV, $m_{2}=0.003032$ eV, $m_{3}=0.050990$ eV when $\rho=2.9\times 10^{-11}$.

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