Lepton flavor changing charged current and interaction

Details Lepton flavor changing charged current and interaction Lepton flavor changing charged current and interaction

2010-10-15

arxiv.org/abs/1010.3085v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures

Scientific paper

We write the neutrino mass eigenstate into the weak doublet of the group $SU(2)_L$ . The massive neutrino is written as the mixture of the flavor neutrino. The flavor changing Lagrangian of lepton-W boson coupling were obtained. The neutrino mixing angle appear in the vertex factor of the interaction of flavor neutrino with charged lepton. The results lead to the Feynman diagram of neutrino oscillation in matter and play an important role in $(\nu_e -e)$ elastic scattering . The anomalous muon decay $\mu^-\rightarrow e^-+\overline{\nu}_\mu+\nu_e$ take part in giving the muon decay lifetime of $2.197019 \mu s$ . The branching ratio $B(\mu^-\rightarrow e^-+\overline{\nu}_\mu+\nu_e)$ is obtained.

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