The effective gain variations as a function of the drift electric field strength (E-d) are measured in a ceramic thick gas electron multiplier (THGEM) and a standard GEM using the same experimental setup. Significant differences in the variations are observed between the THGEM and the standard GEM. The effective gain variations with E-d are quantitatively reproduced by calculations via investigating the respective influence of E-d change on the electron collection efficiency and the gain. The differences in the effective gain variation with E-d between the THGEM and standard GEM are thus explained.
Interpretation of effective gain variations with the drift electric field for a ceramic thick gas electron multiplier
Hu Z.; Muraro A.; Croci G.; McCormack O.; Perelli Cippo E.; Tardocchi M.; Zhou X.; Sun Z.; Zhou J.; Xie Y.; Chen Y.; Fan T.; Gorini G.
Journal:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 988 pp. 164907-1 - 164907-10
Year:
2021
ISTP Authors: Giuseppe Gorini
Enrico Perelli Cippo
Andrea Muraro
Marco Tardocchi
Keywords: Gas Electron Multiplier, GainElectric field, Electron collection efficiency
Research Activitie: JOURNAL ARTICLES
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