A. Tashiro, K. Makishima, T. Kamae, T. Murakami, T. Takahashi, Y. Fukazawa, M. Kokubun, K. Nakazawa, M. Nomachi, A. Yoshida, Y. Ezoe, N. Isobe, N. Yomoto, J. Kataoka, J. Kotoku, M. Kouda, S. Kubo, A. Kubota, Y. Matsumoto, T. Mizuno, Y. 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
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引用次数: 1
Abstract
The ASTRO-E Hard X-ray Detector utilized GSO/BGO well-type phoswich counters in compound-eye configuration, to achieve an extremely low background level of a few /spl times/10/sup -5/ counts s/sup -1/ cm/sup -2/ keV/sup -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 /spl sim/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.
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