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Proceedings Paper

Gamma-ray polarimetry with Compton Telescope
Author(s): Hiroyasu Tajima; Grzegorz Madejski; Takefumi Mitani; Takaaki Tanaka; Hidehito Nakamura; Kazuhiro Nakazawa; Tadayuki Takahashi; Yasushi Fukazawa; Tuneyoshi Kamae; Motohide Kokubun; Daniel Marlow; Masaharu Nomachi; Eduardo do Couto e Silva
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Paper Abstract

Compton telescope is a promising technology to achieve very high sensitivity in the soft gamma-ray band (0.1-10 MeV) by utilizing Compton kinematics. Compton kinematics also enables polarization measurement which will open new windows to study gamma-ray production mechanism in the universe. CdTe and Si semiconductor technologies are key technologies to realize the Compton telescope in which their high energy resolution is crucial for high angular resolution and background rejection capability. We have assembled a prototype module using a double-sided silicon strip detector and CdTe pixel detectors. In this paper, we present expected polarization performance of a proposed mission (NeXT/SGD). We also report results from polarization measurements using polarized synchrotron light and validation of EGS4 MC simulation.

Paper Details

Date Published: 11 October 2004
PDF: 11 pages
Proc. SPIE 5488, UV and Gamma-Ray Space Telescope Systems, (11 October 2004); doi: 10.1117/12.552487
Show Author Affiliations
Hiroyasu Tajima, Stanford Linear Accelerator Ctr. (United States)
Grzegorz Madejski, Stanford Linear Accelerator Ctr. (United States)
Takefumi Mitani, Institute of Space and Astronomical Science/Japan Aerospace Exploration Agency (Japan)
Univ. of Tokyo (Japan)
Takaaki Tanaka, Institute of Space and Astronomical Science/Japan Aerospace Exploration Agency (Japan)
Univ. of Tokyo (Japan)
Hidehito Nakamura, Osaka Univ. (Japan)
Kazuhiro Nakazawa, Institute of Space and Astronomical Science/Japan Aerospace Exploration Agency (Japan)
Tadayuki Takahashi, Institute of Space and Astronomical Science/Japan Aerospace Exploration Agency (Japan)
Univ. of Tokyo (Japan)
Yasushi Fukazawa, Hiroshima Univ. (Japan)
Tuneyoshi Kamae, Stanford Linear Accelerator Ctr. (United States)
Motohide Kokubun, Univ. of Tokyo (Japan)
Daniel Marlow, Princeton Univ. (United States)
Masaharu Nomachi, Osaka Univ. (Japan)
Eduardo do Couto e Silva, Stanford Linear Accelerator Ctr. (United States)


Published in SPIE Proceedings Vol. 5488:
UV and Gamma-Ray Space Telescope Systems
Guenther Hasinger; Martin J. L. Turner, Editor(s)

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