Achievements of the ASTRO-E hard X-ray detector development

M. Tashiro*, K. Makishima, T. Kamae, T. Murakami, T. Takahashi, Y. Fukazawa, M. Kokubun, K. Nakazawa, M. Nomachi, A. Yoshida, Y. Ezoe, N. Isobe, N. Iyomoto, J. Kataoka, J. Kotoku, M. Kouda, S. Kubo, A. Kubota, Y. Matsumoto, T. MizunoY. Okada, N. Ota, H. Ozawa, G. Sato, M. Sugiho, M. Sugizaki, I. Takahashi, H. Takahashi, T. Tamura, C. Tanihata, Y. Terada, Y. Uchiyama, S. Watanabe, K. Yamaoka, D. Yonetoku

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

The ASTRO-E Hard X-ray Detector utilized GSO/BGO well-type phoswich counters in compound-eye configuration [1], to achieve an extremely low background level of a few ×10-5 counts s-1cm-2keV-1. The GSO scintillators installed in the BGO active shield wells observes 30-600 keV photons, while silicon PIN diodes of 2 mm thick placed in front of each GSO crystal covers 10 - 60 keV photons with energy resolution of ∼3.5 keV FWHM. The design goals both of low background and high energy resolution in the hard X-ray bands were confirmed to be achieved through the preflight calibration experiments.

Original languageEnglish
Pages483-486
Number of pages4
Publication statusPublished - 2001
Externally publishedYes
Event2001 IEEE Nuclear Science Symposium Conference Record - San Diege, CA, United States
Duration: 2001 Nov 42001 Nov 10

Conference

Conference2001 IEEE Nuclear Science Symposium Conference Record
Country/TerritoryUnited States
CitySan Diege, CA
Period01/11/401/11/10

Keywords

  • ASTRO-E
  • Hard X-ray detector
  • Sensitivity
  • Spectral response

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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