24 July 2014 Soft gamma-ray detector (SGD) onboard the ASTRO-H mission
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Abstract
The Soft Gamma-ray Detector (SGD) is one of observational instruments onboard the ASTRO-H, and will provide 10 times better sensitivity in 60{600 keV than the past and current observatories. The SGD utilizes similar technologies to the Hard X-ray Imager (HXI) onboard the ASTRO-H. The SGD achieves low background by constraining gamma-ray events within a narrow field-of-view by Compton kinematics, in addition to the BGO active shield. In this paper, we will present the results of various tests using engineering models and also report the flight model production and evaluations.
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Yasushi Fukazawa, Hiroyasu Tajima, Shin Watanabe, Roger Blandford, Katsuhiro Hayashi, Atsushi Harayama, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz M. Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shin'ya Saito, Goro Sato, Rie Sato, Shin'ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa, "Soft gamma-ray detector (SGD) onboard the ASTRO-H mission", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91442C (24 July 2014); doi: 10.1117/12.2055292; https://doi.org/10.1117/12.2055292
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