Implications of the observation of ultra-high energy gamma-rays. I - The production of diffuse X-rays

Details Implications of the observation of ultra-high energy gamma-rays. I - The production of diffuse X-rays Implications of the observation of ultra-high energy gamma-rays. I - The production of diffuse X-rays

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...141..394r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 141, no. 2, Dec. 1984, p. 394-400.

Astronomy and Astrophysics

Astronomy

12

Galactic Radiation, Gamma Ray Astronomy, X Ray Sources, Background Radiation, Compton Effect, Energy Spectra, Gamma Ray Spectra, Interstellar Magnetic Fields, Radiant Flux Density, Synchrotron Radiation

Scientific paper

Evidence has recently appeared for the existence of sources of cosmic gamma-rays in the Galaxy from which energies as high as 10 to the 16th eV are detected, of the sources Cygnus X-3 being the most definite. Here, a determination is made of the order of magnitude of the expected intensity of X-rays at high Galactic latitudes produced by electron synchrotron radiation in the Galactic magnetic field, the electrons arising from the collisions of cosmic gamma-rays above about 10 to the 15th eV with the microwave background. It is found that for even just one source of the strength of the contemporary Cygnus X-3 source emitting continuously in the Galaxy the X-ray flux at b = 90 deg is significant for X-ray energies above about 100 keV. A firm detection of these hard X-rays would provide the first evidence for the gamma-gamma interaction and also confirm that the microwave radiation extends to at least 10 kpc from the plane.

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