Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989stin...9029293d&link_type=abstract
Unknown
Astronomy and Astrophysics
Astronomy
Extraterrestrial Radiation, Gamma Ray Observatory, Gamma Ray Spectrometers, Radiation Transport, Radioactivity, Scintillation, Spaceborne Astronomy, Balloon-Borne Instruments, Cosmic Rays, Scintillation Counters, Sodium Iodides, Spacecraft Orbits
Scientific paper
In view of the important influence of background radiation induced by the charged particle environment on the sensivity of spaceborne gamma ray instrumentation, an extensive series of simulations was performed on representations of the Oriented Scintillation Spectrometer Experiment (OSSE) and Gamma Ray Observatory (GRO) spacecraft. Previously reported results on shielding are summarized and new results are presented on the influence of detector and spacecraft orientation within anisotropic trapped proton distributions. For the cosmic ray calculation, confidence is obtained by comparison with background observations obtained during a balloon flight of a single detector unit over Alice Springs, Australia.
Comber Clive
Dyer C. S.
Hammond D. A. N.
Sims Jon A.
Truscott P. R.
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