NASA NTRS · 19850026654
A position sensitive phoswich hard X-ray detector system
Abstract
A prototype position sensitive phoswich hard X-ray detector, designed for eventual astronomical usage, was tested in the laboratory. The scintillation crystal geometry was designed on the basis of a Monte Carlo simulation of the internal optics and includes a 3mm thick NaI(T1) primary X-ray detector which is actively shielded by a 20 mm thick CsI(T1) scintillation crystal. This phoswich arrangement is viewed by a number two inch photomultipliers. Measured values of the positional and spectral resolution of incident X-ray photons are compared with calculation.
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Dean, A. J., Hanson, C. G., Hopkins, C. J., Lewis, R. A., Fraser-Mitchell, J.. 1985-08-01. A position sensitive phoswich hard X-ray detector system. https://ntrs.nasa.gov/citations/19850026654
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