Photon-starved, pair-loaded compact sources and the X-ray background

Details Photon-starved, pair-loaded compact sources and the X-ray background Photon-starved, pair-loaded compact sources and the X-ray background

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.232p..21f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 232, June 1, 1988, p. 21P-26P. Research supported by th

Astronomy and Astrophysics

Astronomy

4

Black Holes (Astronomy), Dark Matter, Electron Acceleration, Pair Production, Photon-Electron Interaction, X Ray Sources, Electron Scattering, Heao 2, Quasars

Scientific paper

A new class of source appears to be necessary to explain the X-ray background. The authors outline a candidate non-thermal spectral mechanism in which the electron acceleration process is "loaded" by pairs produced in the source by photon-photon collisions. This identifies the break energy, which is now around 40 keV, with the electron rest-mass, 511 keV. The new sources are very distant objects at z ≈10 - 30 and pose some problems for cold dark matter theories of cosmic structure formation.

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