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Seminar
NUMBER P97001
AUTHOR Kim, CW
TITLE Magnetic properties of neutrinos in high temperature SU(2)(L)circle times U(1) gauge theory
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JOURNAL PHYSICS LETTERS B, 1997
ABSTRACT We calculate the finite temperature self-energy for neutrinos in the presence of a constant magnetic field in a medium in the unbroken SU(2) x U(1) model, We obtain the exact dispersion relation for such neutrinos and find that the thermal effective mass is modified by the magnetic field, We also find a simple analytic expression for the dispersion relation and obtain the index of refraction for large neutrino momentum. (C) 1997 Elsevier Science B.V.
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