Please use this identifier to cite or link to this item:
http://hdl.handle.net/10316/4378
Title: | Short induction gap gas electron multiplier (GEM) for X-ray spectroscopy | Authors: | Mir, J. A. Stephenson, R. Rhodes, N. J. Schooneveld, E. M. Veloso, J. F. C. A. Santos, J. M. F. dos |
Keywords: | Gas Electron Multiplier; Effective gain; X-ray energy resolution | Issue Date: | 2007 | Citation: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 573:1-2 (2007) 179-182 | Abstract: | Experimental work was carried out to evaluate the performance of a Gas Electron Multiplier (GEM) operated with a micromesh readout plane that enabled the induction gap to be set at 50 [mu]m. We measured the essential operational parameters of this system using Ar(75%)-isobutane (25%) as the counter gas mixture. The measurements included the effective gain, effective gain stability, and the X-ray energy resolution using a 5.89 keV X-ray source. These studies demonstrated several advantages of the current system when compared with the standard operation, such as lower operational voltages, higher effective gains and improved effective gain stability. | URI: | http://hdl.handle.net/10316/4378 | DOI: | 10.1016/j.nima.2006.10.228 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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