1979•IEEE Transactions on Nuclear ScienceRequires access

An Improved Large-Area, Gas Scintillation Proportional Counter

W. H.-M. Ku, D.F. Anderson, T. T. Hamilton, R. Novick

Abstract

An improved, large-area (285 cm2), gas scintillation proportional counter with a measured overall energy resolution of 9.3% (FWHM) at 5.9 keV has been built. The rise-time resolution, 11.6% (FWHM) at 5.9 keV, of this counter is sufficiently well defined to allow the use of pulse-shape discrimination to reject 86% of the non-X-ray background events, while accepting 80% of the true X-ray events. This counter thus represents a significant advancement over conventional gas proportional counters and should prove extremely useful for X-ray astronomy.

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Key concepts: Proportional counter, Full width at half maximum, Physics, Scintillation counter, Resolution (logic), Scintillation, Optics, Energy (signal processing)