Development of hard X-ray polarimeter for γ-ray bursts

S. Gunji, T. Suzuki, F. Sato, H. Sakurai, F. Tokanai, Y. Saito, A. Kubota

研究成果: Article

8 引用 (Scopus)


The radiation mechanism of gamma-ray bursts (GRBs) is one of the most interesting topics in the field of astrophysics. According to the fireball model, the γ-rays from GRBs should be much polarized. So we have been developing a Compton scattering type hard X-ray polarimeter for GRBs using segmented scintillators and multianode photomultipliers. We carried out basic experiments and computer simulations to investigate the basic performance. As the results, it was recognized that the designed polarimeter can detect the polarization of hard X-rays from GRBs with both the flux 10 times more than that of Crab nebula and the duration of 10 s if the hard X-rays are 8.6% polarized.

ジャーナルAdvances in Space Research
出版物ステータスPublished - 2004 1 1

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences(all)

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  • これを引用

    Gunji, S., Suzuki, T., Sato, F., Sakurai, H., Tokanai, F., Saito, Y., & Kubota, A. (2004). Development of hard X-ray polarimeter for γ-ray bursts. Advances in Space Research, 33(10), 1771-1776.