Unstable neutrino reheating of the universe and distortion of cosmic background radiation spectrum

Details Unstable neutrino reheating of the universe and distortion of cosmic background radiation spectrum Unstable neutrino reheating of the universe and distortion of cosmic background radiation spectrum

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342l...1f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 342, July 1, 1989, p. L1-L4.

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17

Black Body Radiation, Elementary Particle Interactions, Neutrinos, Radiation Spectra, Relic Radiation, Nuclear Fusion, Submillimeter Waves, Universe

Scientific paper

It is shown that the unstable neutrino reheating describes correctly the distortion of the cosmic background radiation spectrum in a short-wavelength side of the peak, if reheating occurs between z = 100,000 and 10,000 by the neutrino with mass greater than about 20 keV and the photon branching ratio fixed by the energetics condition. Other astrophysical consequences of reheating are studied in detail.

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