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29 July 2010 Balloon-borne sub-MeV/MeV gamma-ray observation using a Compton camera with a gaseous TPC and scintillation camera
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Abstract
We have developed a sub-MeV and MeV gamma-ray imaging Compton camera for use in gamma-ray astronomy; it consists of a gaseous time-projection chamber (TPC) to convert the Compton scattering events and a scintillator array to absorb photons. The TPC measures the energy and three-dimensional tracks of Compton-recoil electrons, while the pixel scintillator arrays measure the energy and positions of scattered gamma rays. Therefore, our camera can reconstruct the incident gamma rays, event by event, over a wide field of view of approximately 3 str. We are now developing a Compton camera for a balloon-borne experiment.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shunsuke Kurosawa, Hidetoshi Kubo, Kaori Hattori, Chihiro Ida, Satoru Iwaki, Naoki Higashi, Shigeto Kabuki, Yuji Kishimoto, Kentaro Miuchi, Kiseki Nakamura, Hironobu Nishimura, Joseph D. Parker, Tatsuya Sawano, Atsushi Takada, Michiaki Takahashi, Toru Tanimori, Kojiro Taniue, and Kazuki Ueno "Balloon-borne sub-MeV/MeV gamma-ray observation using a Compton camera with a gaseous TPC and scintillation camera", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 773223 (29 July 2010); https://doi.org/10.1117/12.857058
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