Computer Science – Performance
Scientific paper
Nov 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974csgr.conf..185m&link_type=abstract
In ESRO The Context and Status of Gamma Ray Astronomy p 185-193 (SEE N75-25813 16-93)
Computer Science
Performance
Background Radiation, Gamma Rays, Scintillation Counters, Spaceborne Telescopes, X Rays, Angular Resolution, Balloon-Borne Instruments, Coincidence Circuits, Compton Effect, Cosmic Rays, Performance Prediction, Photons, Project Planning, Spallation
Scientific paper
A sensitive, high resolution telescope designed to detect sources whose strength is estimated by extrapolating X-ray spectra into the MeV region and to observe nuclear gamma ray line emission, particularly from supernova remnants, is described. The instrument includes a Compton coincidence detector within a semi-active shield. Two configurations for the detector are presented. The choice between these alternatives will be made after a series of laboratory tests using neutrons and gamma rays. The sources of background radiation at high altitude such as atmospheric gamma radiation, atmospheric neutrons, and spallation products produced by cosmic radiation are discussed. The expected sensitivity of the instrument is estimated at 0.0001 photon/sq cm sec (E greater than or equivalent to 1 MeV).
Bailey Paul
Dean Anthony J.
Maccagni Dario
Paizis Constantinos
Perotti Federico
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