Physics – Optics
Scientific paper
Feb 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978itns...25..813a&link_type=abstract
(IEEE, ERDA, and NASA, Nuclear Science Symposium, 4th, and Nuclear Power Systems Symposium, 9th, San Francisco, Calif., Oct. 19-
Physics
Optics
Proportional Counters, Scintillation, Spectral Resolution, X Ray Astronomy, Background Radiation, Electron Optics, Focusing, High Resolution, Real Time Operation, Signal To Noise Ratios
Scientific paper
An improved large-area gas scintillation proportional counter has been built, suitable for use in X-ray astronomy. This counter employs electron focusing in a drift region to achieve uniform response. It is shown that a spectral resolution of 9.1% FWHM at 5.9 keV can be obtained over a useful area of 100 sq cm. It is demonstrated that signal rise-time discrimination can be used to reject non-X-ray background as efficiently as in ordinary proportional counters.
Anderson David F.
Ku William H.-M.
Novick Robert
Scheckman M.
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