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Neutrino Oscillations In The Presence Of A Magnetic Field, Chinhsan Sieng
Neutrino Oscillations In The Presence Of A Magnetic Field, Chinhsan Sieng
Macalester Journal of Physics and Astronomy
We calculate oscillation probabilities in the presence of an external magnetic field in a one-generation neutrino framework that includes both Majorana and Dirac mass terms. First, we write down the Euler-Lagrange equations and obtain a system of eight differential equations coupling together eight different neutrino states that can be distinguished by helicity, chirality, and particle/antiparticle-ness. We then solve this system of differential equations in various special cases, exhibiting different types of oscillations. When the magnetic field is in the direction of momentum, there are only four oscillation channels as helicity flip is forbidden. We observe that chirality flips are suppressed …