A parallel plate imaging proportional counter with high background rejection capability

Details A parallel plate imaging proportional counter with high background rejection capability A parallel plate imaging proportional counter with high background rejection capability

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981itns...28..478s&link_type=abstract

(IEEE, DOE, NASA, and NBS, Nuclear Science Symposium, 27th, Orlando, Fla., Nov. 5-7, 1980.) IEEE Transactions on Nuclear Science

Astronomy and Astrophysics

Astronomy

7

Gas Mixtures, Imaging Techniques, Proportional Counters, Scintillation Counters, X Ray Astronomy, Electromagnetic Pulses, Emission Spectra, Parallel Plates, Rejection, Spectral Resolution

Scientific paper

Results are presented of studies of the scintillation produced by avalanches in a parallel plate proportional counter. It is shown, that for applications in X-ray astronomy, background rejection of greater than 90% may be achieved by risetime discrimination using the light pulse. Images of individual avalanches obtained by coupling an image intensifier to the counter with fiber optics are also presented. Electronic centroid analysis using such an intensifier is discussed. Measurements are also presented of the scintillation emission spectrum and position resolution with various gas mixtures.

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