Abstract
We have designed a new method of detecting X-rays and gamma radiation with high spatial resolution, which employs thin converters that make a small angle with the direction of incident radiation. The coordinates are determined by detecting photo- and Compton electrons. This method enables one to obtain a high spatial resolution, better than 5 μm. The converters in the designed detector are made of 50 and 100 μm thick lead foils; the electron detectors are hodoscopic scintillation counters. With this detector we have reached a one-coordinate spatial resolution of 50 μm with a detection efficiency of annihilation gamma quanta of 16%.
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