Beam test results of the polarized gamma-ray observer, PoGOLite

H. Takahashi*, M. Matsuoka, Y. Umeki, H. Yoshida, T. Tanaka, T. Mizuno, Y. Fukazawa, T. Kamae, G. Madejski, H. Tajima, M. Kiss, W. KIamra, S. Larsson, C. Marini Bettolo, M. Pearce, F. Ryde, S. Rydström, K. Kurita, Y. Kanai, M. ArimotoM. Veno, J. Kataoka, N. Kawai, M. Axelsson, L. Hjalmarsdotter, G. Bogaert, S. Gunji, T. Takahashi, G. Varner, T. Yuasa

*この研究の対応する著者

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

The Polarized Gamma-ray Observer, PoGOLite, is a balloon experiment with the capability of detecting 10% polarization from a 200 mCrab celestial object in the energy range 25-80 keY. During a beam test at KEK-PF in February 2008, 20 detector units were assembled, and a 50 keY X-ray beam with a polarization degree of ∼90% was irradiated at the center unit. Signals from all 20 units were fed into flightversion electronics consisting of six circuit boards (four waveform digitizer boards, one digital I/O board and one router board) and one microprocessor (SpaceCube), which communicate using a SpaceWire interface. One digitizer board, which can associate up to 8 PDCs, outputs a trigger signal. The digital I/O board handles the trigger and returns a data acquisition request if there is no veto signal (upper or pulse-shape discriminators) from any detector unit. This data acquisition system worked well, and the modulation factor was successfully measured to be ∼34%. These results confirmed the capabilities of both detector and data-acquisition system for a pathfinder flight planned in 2010.

本文言語English
ホスト出版物のタイトル2008 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2008
ページ732-736
ページ数5
DOI
出版ステータスPublished - 2008
外部発表はい
イベント2008 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2008 - Dresden, Germany
継続期間: 2008 10月 192008 10月 25

出版物シリーズ

名前IEEE Nuclear Science Symposium Conference Record
ISSN(印刷版)1095-7863

Conference

Conference2008 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2008
国/地域Germany
CityDresden
Period08/10/1908/10/25

ASJC Scopus subject areas

  • 放射線
  • 核物理学および高エネルギー物理学
  • 放射線学、核医学およびイメージング

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