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An imaging gas scintillation proportional counter for the detection of subkiloelectron-volt X-rays

Charles J. Hailey, W. H.-M. Ku, M. H. Vartanian

Abstract

A large area imaging gas scintillation proportional counter (IGSPC) was constructed for use in X-ray astronomy. The IGSPC consists of a gas scintillation proportional counted (GSPC) with a micron polyprotylene window coupled to a multiwire proportional counter (MWPC) via a calcium fluoride window. Over a sensitive area of 21 cu 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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Available abstract

Key concepts: Proportional counter, Full width at half maximum, Scintillation, Physics, Scintillation counter, Resolution (logic), Optics, Wire chamber