Neutrino emission from black holes

Details Neutrino emission from black holes Neutrino emission from black holes

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...125..126g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 125, no. 1, Aug. 1983, p. 126-129.

Astronomy and Astrophysics

Astronomy

4

Antineutrinos, Black Holes (Astronomy), Mass Transfer, Neutrinos, Relativistic Plasmas, Emissivity, Energy Spectra, Luminosity

Scientific paper

Expected neutrino and antineutrino energy spectra for matter accreting spherically onto a massive object are evaluated in order to determine the luminosity and emissivity of the massive object. The maxima of these spectra are at the energies 13.3, 15.5, and 15.8 MeV for neutrinos, antineutrinos, and electron neutrinos, respectively, for Mach number about one, and at 8.9, 10, and 10 MeV for Mach number about two. For these respective Mach numbers the black hole luminosity is 10 to the 34th and 10 to the 33rd erg/s for a black hole of 10 solar masses and a mass accretion rate of 10 to the -8th solar masses/yr. The emissivity of the same object at the same Mach numbers is about 10 to the 38th and 10 to the 37th neutrinos/s, respectively. The luminosity and emissivity of the three kinds of neutrinos are almost the same.

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