The performance of thinner-THGEM

The performance of thinner-THGEM

A thinner-THGEM (Thick Gas Electron Multiplier) with a thickness of 200μm and small rim has been produced by high speed drilling and global etching. Some performances have been studied and the working conditions have been tested and selected, using various Ar and Ne based gas mixtures. Gain values a...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2011-12, Vol.659 (1), p.237-241
Hauptverfasser: Liu, H.B., Zheng, Y.H., Xie, Y.G., Zheng, Z.P., Lu, J.G., Zhou, L., Yu, B.X., Tang, A.S., Yang, Y.D., Dong, Y., Li, M.
Format: Artikel
Sprache:eng
Schlagworte:
Computer simulation
Detectors
Electric fields
Electric potential
Energy resolution
Gain
Gain fluctuation
Monte Carlo methods
Spectrometers
THGEM
Thinner-THGEM
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Beschreibung
Zusammenfassung:A thinner-THGEM (Thick Gas Electron Multiplier) with a thickness of 200μm and small rim has been produced by high speed drilling and global etching. Some performances have been studied and the working conditions have been tested and selected, using various Ar and Ne based gas mixtures. Gain values above 3×103 under relatively low working voltage, energy resolution of 15.9% with 5.9keV X-rays and good gain stability are obtained. Using Monte Carlo simulation, the dependence of the energy resolution on drift electric field was analyzed and compared with experimental results.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2011.09.010