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Development of the EXITE detector - A new imaging detector for 20 - 300 keV astronomyThe development and testing of a detector to be used in the Energetic X-ray Imaging Telescope Experiment (EXITE) are reported. It consists of a 34 cm diameter NaI(Tl) crystal coupled directly to a single large image intensifier tube with associated silicon PIN diode readout. The measured spatial and energy resolutions at 122 keV are 6mm (FWHM) and 9 percent (FWHM), respectively. This energy resolution is about 50 percent better than that of any previously flown hard X-ray experiment. These resolutions decrease with the square root of the energy of the incident X-ray, indicating that they are determined by the number of photons emitted in the NaI(Tl) scintillator light flash.
Document ID
19860042902
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Garcia, M. R.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Grindlay, J. E.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Burg, R.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Murray, S. S.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Flanagan, J.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Date Acquired
August 12, 2013
Publication Date
February 1, 1986
Publication Information
Publication: IEEE Transactions on Nuclear Science
Volume: NS-33
ISSN: 0018-9499
Subject Category
Astronomy
Accession Number
86A27640
Funding Number(s)
CONTRACT_GRANT: NAGW-624
Distribution Limits
Public
Copyright
Other

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