Physics
Scientific paper
Mar 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976izssr..40..671g&link_type=abstract
(Vsesoiuznaia Konferentsiia po Fizike Kosmicheskikh Luchei, Samarkand, Uzbek SSR, Oct. 29-31, 1975.) Akademiia Nauk SSSR, Izvest
Physics
Cosmic X Rays, Gamma Rays, Scintillation Counters, X Ray Telescopes, Accuracy, Cerenkov Counters, Monte Carlo Method, Navigation Aids, Spark Chambers
Scientific paper
The paper gives the basic technical features of a gamma telescope whose chief recording element is a multilayered spark chamber with ferrite memory. The instrument was originally described by Galper et al. (1975). Multiwire proportional counters of sensitive area 224 x 224 mm serve as trigger counters. To eliminate background noise caused by charged particles, the telescope chamber is equipped with six anti-coincidence-connected scintillation counters made of polystyrene. Efficiency for recording gamma quanta was calculated to be 3.9% at 5 MeV and 8.6% at 100 MeV. Transmission of the telescope averaged over the isotropic spectrum of radiation with index 2,1 amounts to 12.5 sq cm ster. Accuracy in determination of angle of arrival of gamma quanta was calculated to be 9 and 3 deg for 10 MeV and 17 MeV particles, respectively.
Galper Arkady M.
Iurov V. N.
Kirillov-Ugriumov V. G.
Kotov Yu. D.
Kulakov E. V.
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