Arid
DOI10.1016/j.nima.2015.08.004
New readout and data-acquisition system in an electron-tracking Compton camera for MeV gamma-ray astronomy (SMILE-II)
Mizumoto, T.1; Matsuoka, Y.1; Mizumura, Y.1,2; Tanimori, T.1,2; Kubo, H.1; Takada, A.1; Iwaki, S.1; Sawano, T.1; Nakamura, K.1; Komura, S.1; Nakamura, S.1; Kishimoto, T.1; Oda, M.1; Miyamoto, S.1; Takemura, T.1; Parker, J. D.1; Tomono, D.1; Sonoda, S.1; Miuchi, K.3; Kurosawa, S.4
通讯作者Mizumoto, T.
来源期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002
EISSN1872-9576
出版年2015
卷号800页码:40-50
英文摘要

For MeV gamma ray astronomy, we have developed an electron tracking Compton camera (ETCC) as a MeV gamma ray telescope capable of rejecting the radiation background and attaining the high sensitivity of near 1 mCrab in space. Our ETCC comprises a gaseous time projection chamber (TPC) with a micro pattern gas detector for tracking recoil electrons and a position sensitive scintillation camera for detecting scattered gamma rays. After the success of a first balloon experiment in 2006 with a small ETCC (using a 10 x 10 x 15 crn(3) TPC) for measuring diffuse cosmic and atmospheric sub-MeV gamma rays (Sub-MeV gamma ray Imaging Loaded-on-balloon Experiment I; SMILE I), a (30 cm)3 medium-sized ETCC was developed to measure MeV gamma ray spectra from celestial sources, such as the Crab Nebula, with single day balloon flights (SMILE-II) To achieve this goal, a 100-times-larger detection area compared with that of SMILE-I is required without changing the weight or power consumption of the detector system. In addition, the event rate is also expected to dramatically increase during observation. Here, we describe both the concept arid the performance of the new data acquisition system with this (30 cm)3 ETCC to manage 100 times more data while satisfying the severe restrictions regarding the weight and power consumption imposed by a balloon-borne observation. In particular, to improve the detection efficiency of the fine tracks in the TPC frorn similar to 10% to similar to 100%, we introduce a new data-handling algorithm in the TPC. Therefore, for efficient management of such large amounts of data, we developed a data-acquisition system with parallel data flow. (C) 2015 Elsevier B.V. All rights reserved.


英文关键词MeV gamma-ray astronomy Compton camera ETCC Electron track
类型Article
语种英语
国家Japan
收录类别SCI-E
WOS记录号WOS:000361878200007
WOS关键词IMAGING DETECTOR ; CATALOG ; GAS
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields
WOS研究方向Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/189383
作者单位1.Kyoto Univ, Dept Phys, Kyoto 6068502, Japan;
2.Kyoto Univ, Unit Synerget Studies Space, Kyoto 6068502, Japan;
3.Kobe Univ, Dept Phys, Kobe, Hyogo 6588501, Japan;
4.Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
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Mizumoto, T.,Matsuoka, Y.,Mizumura, Y.,et al. New readout and data-acquisition system in an electron-tracking Compton camera for MeV gamma-ray astronomy (SMILE-II)[J],2015,800:40-50.
APA Mizumoto, T..,Matsuoka, Y..,Mizumura, Y..,Tanimori, T..,Kubo, H..,...&Kurosawa, S..(2015).New readout and data-acquisition system in an electron-tracking Compton camera for MeV gamma-ray astronomy (SMILE-II).NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,800,40-50.
MLA Mizumoto, T.,et al."New readout and data-acquisition system in an electron-tracking Compton camera for MeV gamma-ray astronomy (SMILE-II)".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 800(2015):40-50.
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