Design and performance of the soft gamma-ray detector for the NeXT mission

The soft gamma-ray detector (SGD) onboard the Japanese future high energy astrophysics mission (NeXT) is a Compton telescope with narrow field of view, which utilizes Compton kinematics to enhance its background rejection capabilities. It is realized as a hybrid semiconductor gamma-ray detector whic...

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Veröffentlicht in:	IEEE transactions on nuclear science 2005-12, Vol.52 (6), p.2749-2757
Hauptverfasser:	Tajima, H., Kamae, T., Madejski, G., Mitani, T., Nakazawa, K., Tanaka, T., Takahashi, T., Watanabe, S., Fukazawa, Y., Ikagawa, T., Kataoka, J., Kokubun, M., Makishima, K., Terada, Y., Nomachi, M., Tashiro, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics Cadmium telluride Cadmium telluride (CdTe) Cadmium tellurides Compton camera Computer simulation Detectors Energy resolution Extraterrestrial measurements Gamma ray detectors gamma-ray astronomy detectors Integrated circuit measurements Integrated circuit technology Kinematics Missions Monte Carlo methods Monte Carlo simulation polarimetry Rejection Semiconductors Silicon silicon radiation detectors Space technology Telescopes
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Zusammenfassung:	The soft gamma-ray detector (SGD) onboard the Japanese future high energy astrophysics mission (NeXT) is a Compton telescope with narrow field of view, which utilizes Compton kinematics to enhance its background rejection capabilities. It is realized as a hybrid semiconductor gamma-ray detector which consists of silicon and cadmium telluride (CdTe) detectors. It can detect photons in a wide energy band (0.05-1 MeV) at a background level of 5 times10 -7 counts/s/cm 2 /keV; the silicon layers are required to improve the performance at a lower energy band (
ISSN:	0018-9499 1558-1578
DOI:	10.1109/TNS.2005.862776