Abstract
The development of a new bidimensional imaging detector system for soft X- and beta radiations is reported. Based on the detection of the differential induction signals on pickup electrodes placed around a point anode (or pin) in a gas avalanche detector, the system described has achieved a spatial resolution of better than 1 mm fwhm over a field of 30 mm diameter while preserving excellent pulse height resolution (20% fwhm for 5.9 keV X-rays). While limited to applications in which fairly low counting rates are encountered ( < 5 kHz) the present device offers considerable potential as a cheap and robust imaging system for applications in X-ray diffraction and autoradiography.
Published Version
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