Author :
Kokubun, M. ; Abe, K. ; Ezoe, Y. ; Fukazawa, Y. ; Hong, S. ; Inoue, H. ; Itoh, T. ; Kamae, T. ; Kasama, D. ; Kawaharada, M. ; Kawano, N. ; Kawashima, K. ; Kawasoe, S. ; Kobayashi, Y. ; Kotoku, J. ; Kouda, M. ; Kubota, A. ; Madejski, G.M. ; Makishima, K. ;
Abstract :
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].
Keywords :
X-ray detection; astronomical instruments; cosmic ray apparatus; gamma-ray detection; nuclear electronics; proton effects; solid scintillation detectors; Astro-E2 Hard X-ray Detector; BGO scintillators; HXD-II; astrophysics; detector background; device materials; energy resolution; front-end electronics; gamma-ray detector; proton irradiation experiment; Astrophysics; Chemicals; Conducting materials; Counting circuits; Energy resolution; Instruction sets; Physics; Protons; X-ray detection; X-ray detectors; $gamma$-ray; Astro-E2; astrophysics; detector; hard X-ray;
