Author/Authors :
Solovov، نويسنده , , V. and Balau، نويسنده , , F. and Neves، نويسنده , , F. and Chepel، نويسنده , , V. and Pereira، نويسنده , , A. and Lopes، نويسنده , , M.I.، نويسنده ,
Abstract :
Operation of Gas Electron Multiplier (GEM) in ultra-pure xenon was studied for gas at 25 °C, cold but not saturated gas at −90 °C and saturated xenon vapour at −102 °C. The most stable operation was observed at −90 °C for which the maximum visible gain of 150 was obtained from a single GEM. The maximum gain of ≈40 was achieved for saturated xenon vapour at −102 °C and of ≈25 for two-phase configuration at the same temperature. Continuous operation of a GEM in two-phase mode for periods of several hours was routinely achieved.
Keywords :
Two-phase detectors , Xenon , Gas electron muliplier , GEM
