Gas gain and signal length measurements with a triple-GEM at different pressures of Ar-, Kr- and Xe-based gas mixtures

Abstract

We investigate the gas gain behaviour of a triple-GEM configuration in gas mixtures of argon, krypton and xenon with ten and thirty percent of carbon dioxide at pressures between 1 and 3 bar. Since the signal widths affect the dead time behaviour of the detector we present signal length measurements to evaluate the use of the triple-GEM in time-resolved X-ray imaging.

19 pages, 21 figures, revised version, accepted for publication in Nucl. Instr. and Meth. A

References in corpus (5)

• DIRAC: A High Resolution Spectrometer for Pionium Detection
• High pressure operation of the triple-GEM detector in pure Ne, Ar and Xe
• Triple GEM operation in compressed He and Kr
• Carbon Coated Gas Electron Multipliers
• Investigation of the performance of an optimised MicroCAT, a GEM and their combination by simulations and current measurements

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• Gas selection for Xe-based LCP-GEM detectors onboard the CubeSat X-ray observatory NinjaSat