Neutrino pair bremsstrahlung including neutral current effects

Details Neutrino pair bremsstrahlung including neutral current effects Neutrino pair bremsstrahlung including neutral current effects

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...210..481d&link_type=abstract

Astrophysical Journal, vol. 210, Dec. 1, 1976, pt. 1, p. 481-488.

Astronomy and Astrophysics

Astrophysics

44

Bremsstrahlung, Neutrinos, Pair Production, Stellar Structure, Degenerate Matter, Electron Gas, Energy Dissipation, Feynman Diagrams, Particle Interactions, Screen Effect, Stellar Interiors

Scientific paper

Neutrino bremsstrahlung by a degenerate electron gas interacting with the nuclear Coulomb field in an extremely degenerate stellar interior is calculated in the framework of a general weak-interaction model which includes neutral-current effects. The dependence of the energy-loss rate for the neutrino bremsstrahlung process on the type of screening assumed is investigated by comparing the results obtained with models of a weakly screened and a strongly screened nuclear Coulomb potential. It is found that neutral currents change the energy-loss rate only slightly and that both types of screening give the same loss rate to within a factor of not more than 2. Limitations of the solutions are discussed.

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