NASA NTRS · 19820042573
For the detection of subkiloelectron-volt X-rays
Abstract
A large-area, imaging gas scintillation proportional counter (IGSPC) has been constructed for use in X-ray astronomy. The IGSPC consists of a gas scintillation proportional counter (GSPC) with a 1-micron polypropylene window coupled to a multiwire proportional counter (MWPC) via a calcium fluoride window. The MWPC, filled with a mixture of argon, methane, and tetrakis (dimethylamino) ethylene, detects the UV photons emitted by the xenon gas in the GSPC. Over a sensitive area of 21 sq cm, the instrument has a measured energy resolution of 17.5% (FWHM) and 1.9 mm (FWHM) spatial resolution at 1.5 keV.
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Hailey, C. J., Ku, W. H.-M., Vartanian, M. H.. 1982-02-01. For the detection of subkiloelectron-volt X-rays. https://ntrs.nasa.gov/citations/19820042573
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