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Improvements of the astro-E2 hard X-ray detector (HXD-II)

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46 Author(s)
Kokubun, M. ; Dept. of Phys., Univ. of Tokyo, Japan ; Abe, K. ; Ezoe, Y. ; Fukazawa, Y.
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We summarize significant improvements which have been achieved in the development of Astro-E2 Hard X-ray Detector (HXD-II). An expanded energy range and better energy resolution have been achieved from progresses in device materials and redesigning of the front-end electronics. An improved estimation for the detector background in orbit has also been conducted based upon results from our proton irradiation experiment. The sensitivity of HXD-II can be expected to reach an order of 10-6 [c s-1 keV-1 cm-2].

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Nuclear Science, IEEE Transactions on  (Volume:51 ,  Issue: 5 )