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Three Flavor Neutrino Mixing in Matter by Perturbation Approach

Research paper by Bipin Singh Koranga, P. Gaira, Vinod Kumar

Indexed on: 04 Dec '10Published on: 04 Dec '10Published in: International Journal of Theoretical Physics



Abstract

We consider the matter effect on three flavor neutrino mixing. We write an analytical description of neutrino mixing angle in matter based on the perturbation approach. The matter effect is ignored for reactor neutrino analysis because the path length is very small. Matter effect play important role in propagation of neutrino. We estimate the effect of matter on neutrino mixing angle θ12 and θ13 by perturbation approach. We find that, higher energy region, mixing angle θ12 and θ13 are more effective by matter effects. We consider neutrino passing through constant density.