Heating of primordial gas by the background radiation in the presence of heavy elements

Details Heating of primordial gas by the background radiation in the presence of heavy elements Heating of primordial gas by the background radiation in the presence of heavy elements

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981afz....17..487v&link_type=abstract

(Astrofizika, vol. 17, July-Sept. 1981, p. 487-493.) Astrophysics, vol. 17, no. 3, Jan. 1982, p. 273-276. Translation.

Astronomy and Astrophysics

Astrophysics

2

Background Radiation, Cosmic Gases, Cosmology, Gas Heating, Heavy Elements, Microwaves, Abundance, Kinetic Energy, Nuclear Fusion, Stellar Evolution

Scientific paper

A study is made of the influence of an admixture of the elements C, O, Si, and S in the primordial gas on the thermal regime of the matter during cosmological expansion in the epoch of z value lower than 150. It is shown than an admixture of these elements at the level of a few percent of their contemporary abundance can lead to appreciable heating of the gas. The corresponding distortions in the spectrum of the background radiation are estimated.

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