The thermal pair annihilation spectrum - A detailed balance approach

Details The thermal pair annihilation spectrum - A detailed balance approach The thermal pair annihilation spectrum - A detailed balance approach

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...270..300s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 270, July 1, 1983, p. 300-304.

Astronomy and Astrophysics

Astrophysics

33

Annihilation Reactions, Cosmic Plasma, Elementary Particles, Pair Production, Reaction Kinetics, Spectral Emission, Gamma Rays, Maxwell-Boltzmann Density Function, Opacity, Plasma Temperature, Relativistic Plasmas, Relativity

Scientific paper

Detailed considerations of balance are invoked to show that the pair annihilation spectral emissivity and the reaction and cooling rates of electrons and positrons possessing relativistic Maxwell-Boltzmann distributions can be expressed as single integrals over an integrand which contains the cross section for the process of photon-photon pair production. Simple spectral emissivity expressions are given that are valid at all photon energies and particle temperatures.

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