Computer Science
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981izssr..45..649g&link_type=abstract
(Evropeiskii Simpozium po Kosmicheskim Lucham, 7th, Leningrad, USSR, Sept. 15-19, 1980.) Akademiia Nauk SSSR, Izvestiia, Seriia
Computer Science
Compressed Gas, Extraterrestrial Radiation, Gamma Ray Spectrometers, Radiation Detectors, Scintillation Counters, Semiconductor Devices, Xenon, Calibrating, Design Analysis, Sensitivity
Scientific paper
The two types of spectrometers currently used to record gamma radiation from space - Ge semiconductor detectors and scintillation detectors with NaI(Tl) and CsI(Tl) crystals - are discussed. It is noted that the desire for increased sensitivity has led to consideration of liquid xenon as the working fluid in a detector. An experimental model built to test the suitability of xenon is described and a schematic diagram of the model is presented. Characteristic amplitude distributions, obtained by calibrating the chamber with sample monoenergetic sources, are shown graphically. The best energy resolution obtained is 1.5%, for a gamma energy of 1.115 MeV. It is noted that a detector using compressed xenon also makes it possible to determine the coordinates of the point of interaction of the quanta.
Dmitrenko Valery V.
Galper Arkady M.
Romaniuk A. S.
Uteshev Z. M.
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