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Proceedings Paper

A new Si/CdTe semiconductor Compton camera developed for high-angular resolution
Author(s): Shin'ichiro Takeda; Shin-nosuke Ishikawa; Hirokazu Odaka; Shin Watanabe; Tadayuki Takahashi; Kazuhiro Nakazawa; Hiroyasu Tajima; Yoshikatsu Kuroda; Mitsunobu Onishi; Yasushi Fukazawa; Hajimu Yasuda
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Paper Abstract

A semiconductor Compton camera for a balloon borne experiment aiming at observation in high energy astrophysics is developed. The camera is based on the concept of the Si/CdTe semiconductor Compton Camera, which features high-energy and high-angular resolution in the energy range from several tens of keV to a few MeV. It consists of tightly packed double-sided silicon strip detectors (DSSDs) stacked in four layers, and a total of 32 CdTe pixel detectors surrounding them. The Compton reconstruction was successfully performed and gamma-ray images were obtained from 511 keV down to 59.5 keV. The Angular Resolution Measure (ARM) at 511 keV is ~ 2.5 degrees, thanks to the high energy resolution in both the DSSD and CdTe parts.

Paper Details

Date Published: 21 September 2007
PDF: 11 pages
Proc. SPIE 6706, Hard X-Ray and Gamma-Ray Detector Physics IX, 67060S (21 September 2007); doi: 10.1117/12.733840
Show Author Affiliations
Shin'ichiro Takeda, Institute of Space and Astronautical Science (Japan)
Univ. of Tokyo (Japan)
Shin-nosuke Ishikawa, Institute of Space and Astronautical Science (Japan)
Univ. of Tokyo (Japan)
Hirokazu Odaka, Institute of Space and Astronautical Science (Japan)
Univ. of Tokyo (Japan)
Shin Watanabe, Institute of Space and Astronautical Science (Japan)
Univ. of Tokyo (Japan)
Tadayuki Takahashi, Institute of Space and Astronautical Science (Japan)
Univ. of Tokyo (Japan)
Kazuhiro Nakazawa, Univ. of Tokyo (Japan)
Hiroyasu Tajima, Stanford Linear Accelerator Ctr. (United States)
Yoshikatsu Kuroda, Mitsubishi Heavy Industries, Ltd. (Japan)
Mitsunobu Onishi, Mitsubishi Heavy Industries, Ltd. (Japan)
Yasushi Fukazawa, Hiroshima Univ. (Japan)
Hajimu Yasuda, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 6706:
Hard X-Ray and Gamma-Ray Detector Physics IX
Ralph B. James; Arnold Burger; Larry A. Franks, Editor(s)

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