Evaluation of the cosmic-ray induced background in coded aperture high energy gamma-ray telescopes

Details Evaluation of the cosmic-ray induced background in coded aperture high energy gamma-ray telescopes Evaluation of the cosmic-ray induced background in coded aperture high energy gamma-ray telescopes

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icrc....2..487o&link_type=abstract

IN: International Cosmic Ray Conference, 22nd, Dublin, Republic of Ireland, Aug. 11-23, 1991, Laboratory for High Energy Astroph

Statistics

Computation

Background Radiation, Cosmic Rays, Gamma Ray Astronomy, Gamma Ray Telescopes, Angular Resolution, Apertures, Computational Astrophysics, Monte Carlo Method, Neutral Particles

Scientific paper

While the application of coded-aperture techniques to high-energy gamma-ray astronomy offers potential arc-second angular resolution, concerns were raised about the level of secondary radiation produced in a thick high-z mask. A series of Monte-Carlo calculations are conducted to evaluate and quantify the cosmic-ray induced neutral particle background produced in a coded-aperture mask. It is shown that this component may be neglected, being at least a factor of 50 lower in intensity than the cosmic diffuse gamma-rays.

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