Regular Article - Theoretical Physics
M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059, Krakow, Poland
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Published online: 11 August 2007
The spectrum of the neutrinos produced in the massive photon and longitudinal plasmon decay process has been computed with four levels of approximation for the dispersion relations. Some analytical formulae in the limit cases are derived. Interesting conclusions related to previous calculations of the energy loss in stars are presented. The high energy tail of the neutrino spectrum is shown to be proportional to exp(-E/kT), where E is the neutrino energy and kT is the temperature of the plasma.
© Springer-Verlag , 2007