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Proceedings Paper

Development of an Si/CdTe semiconductor Compton telescope
Author(s): Takaaki Tanaka; Takefumi Mitani; Shin Watanabe; Kazuhiro Nakazawa; Kousuke Oonuki; Goro Sato; Tadayuki Takahashi; Ken'ichi Tamura; Hiroyasu Tajima; Hidehito Nakamura; Masaharu Nomachi; Tatsuya Nakamoto; Yasushi Fukazawa
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Paper Abstract

We are developing a Compton telescope based on high resolution Si and CdTe imaging devices in order to obtain a high sensitivity astrophysical observation in sub-MeV gamma-ray region. In this paper, recent results from the prototype Si/CdTe semiconductor Compton telescope are reported. The Compton telescope consists of a double-sided Si strip detector (DSSD) and CdTe pixel detectors, combined with low noise analog LSI, VA32TA. With this detector, we obtained Compton reconstructed images and spectra from line gamma-rays ranging from 81 keV up to 356 keV. The energy resolution is 3.8 keV and 7.9 keV at 122 keV and 356 keV, respectively, and the angular resolution is 9.9° and 5.7° at 122 keV and 356 keV, respectively.

Paper Details

Date Published: 29 September 2004
PDF: 12 pages
Proc. SPIE 5501, High-Energy Detectors in Astronomy, (29 September 2004); doi: 10.1117/12.552600
Show Author Affiliations
Takaaki Tanaka, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Takefumi Mitani, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Shin Watanabe, Institute of Space and Astronautical Science/JAXA (Japan)
Kazuhiro Nakazawa, Institute of Space and Astronautical Science/JAXA (Japan)
Kousuke Oonuki, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Goro Sato, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Tadayuki Takahashi, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Ken'ichi Tamura, Institute of Space and Astronautical Science/JAXA (Japan)
Univ. of Tokyo (Japan)
Hiroyasu Tajima, Stanford Linear Accelerator Ctr. (United States)
Hidehito Nakamura, Osaka Univ. (Japan)
Masaharu Nomachi, Osaka Univ. (Japan)
Tatsuya Nakamoto, Hiroshima Univ. (Japan)
Yasushi Fukazawa, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 5501:
High-Energy Detectors in Astronomy
Andrew D. Holland, Editor(s)

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