Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4014
Title: | The gas proportional scintillation counter/microstrip gas chamber hybrid detector with argon filling | Authors: | Monteiro, C. M. B. Veloso, J. F. C. A. Freitas, D. S. A. P. Santos, J. M. F. dos Conde, C. A. N. |
Keywords: | Gas scintillation counters; CsI photocathodes | Issue Date: | 2002 | Citation: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 490:1-2 (2002) 169-176 | Abstract: | We present the results of a study of an argon gas proportional scintillation counter instrumented with a CsI-coated microstrip plate placed in the argon envelope. Although the measured light amplification gain and the photoelectron collection efficiency are 70% and 30-40% higher than those obtained in a similar xenon detector, the charge gain achieved in argon for the avalanches produced by the photoelectrons at the microstrip anodes is a factor of ten lower than in xenon. In both cases, these gains are limited by optical positive feedback. The energy resolution achieved for 5.9 keV X-rays was 14.8% compared to 12% in xenon. | URI: | https://hdl.handle.net/10316/4014 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Civil - Artigos em Revistas Internacionais |
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