Abstract
Circular position sensitive detectors with sensitive areas of 17 cm 2 have been constructed by connecting gold strips on the front surface of a Li-drifted silicon detector to an external resistor network. Detector responses to alpha-particle sources and pulsed-light sources are presented which demonstrate the position and energy response characteristics of the detectors. Measurements with a pulsed-light source equivalent of 140 MeV show that a resolution (fwhm) of 0.19 mm (the width of the gold strips) can be achieved for energy deposits of ∼ 40 MeV. The position resolution (fwhm) obtained from these detectors mounted in a telescope exposed to 95–350 MeV/nucleon 40Ar nuclei is 0.82 mm for a single detector.
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