TELESCOPE FOR GAMMA-RAY ASTRONOMY

被引：4
作者：
NIEL, M
CASSIGNO.M
VEDRENNE, G
BOUIGUE, R
机构：
[1] Equipe de Recherche Associée au CNRS, Centre d'Etude Spatiale des Rayoneements de Toulouse
来源：
NUCLEAR INSTRUMENTS & METHODS | 1969年 / 69卷 / 02期
关键词：
D O I：
10.1016/0029-554X(69)90429-7
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A telescope using spark chamber technique is described for detecting high energy γ-rays. The area solid angle factor is 160 cm2· sr and the conversion efficiency for a 100 MeV γ-ray is 17%. Events are recorded photographically. An orienting sysyem couteracts the rotation of balloon about the Zenith to within ± 1 2° . The limit sensitivity which can be reached is 2.6×107-6γ/cm2· sec in the energy range 100 MeV to 1 GeV. This system has operated successfully on two flights. © 1969.
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页码：309 / &
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