Abstract
We report on a large volume, high-pressure, TPC-like xenon gas scintillation counter for X-ray spectroscopy in the range 60–511 keV. The UV scintillation light is detected with a low-pressure two stage proportional counter using a CsI photocathode. The detector has excellent energy and time resolutions. The location of the absorbed quanta can be accurately determined in all three dimensions. Furthermore the 3D topological information of the deposited primary charges provides an efficient means for the suppression of the Compton background present in many close ion-atom collision experiments.
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