A multiwire proportional counter for low energy X-ray imaging

Details A multiwire proportional counter for low energy X-ray imaging A multiwire proportional counter for low energy X-ray imaging

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.239..245m&link_type=abstract

In ESA Proceedings of ESA Workshop on a Cosmic X-Ray Spectroscopy Mission p 245-254 (SEE N86-22461 12-89)

Astronomy and Astrophysics

Astronomy

Imaging Techniques, Proportional Counters, X Ray Astronomy, X Ray Spectroscopy, Automatic Test Equipment, Bragg Angle, Spectrometers

Scientific paper

Development of a detector for a high spectrometral resolution imaging Bragg spectrometer experiment including the test set-up and the read-out electronics is described. Examples of the position resolution at X-ray energies from aluminum and manganese K radiation (1.49 and 5.9 keV) are presented. A computer controlled test-stand with: a 50 micron collimated X-ray beam from a fine focus X-ray tube with replaceable anode caps; an X-ray translation table for positioning the detector; and an electronics system using the charge division method for event position determination was developed. Charge pulses from the detector are digitized and analyzed in a microprocessor where the position and energy spectra are stored. Background rejection is determined by energy, position, and risetime windows in the microprocessor software.

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