Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...125..121g&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 125, no. 1, Aug. 1983, p. 121-125.
Astronomy and Astrophysics
Astrophysics
5
Antineutrinos, Energy Spectra, Neutrinos, Particle Energy, Particle Production, Relativistic Plasmas, Energy Dissipation, Plasma Decay, Thermal Plasmas
Scientific paper
In this paper we determine the neutrino and antineutrino energy production spectra in a relativistic plasma. The considered plasma temperature range is 10 to the 11th -10 to the 13th K. The maximum of the neutrino energy production spectrum is at an energy of 31 MeV. The antineutrino and electron-neutrino production spectra from mu(+) decay have maxima at 40 MeV. The cooling rate coefficient for a relativistic plasma emitting neutrinos has been considered for various mean kinetic energies of the protons. It varies from about 10 to the 5th for a variation of the temperature by a factor 10 (in the range 10 to the 11th -10 to the 12th K) and slower for temperatures greater than 10 to the 12th K. The energy attenuation time for a relativistic plasma has also been estimated and briefly discussed.
Giovannelli Franco
Karakula S.
Tkaczyk W.
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