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Title: Modelling of an IR scintillation counter
Authors: Fraga, M. M. F. R. 
Fraga, F. A. F. 
Policarpo, A. J. P. L. 
Keywords: Gaseous scintillators; Infrared emissions
Issue Date: 2000
Citation: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 442:1-3 (2000) 423-427
Abstract: A systematic study of the excitation and de-excitation mechanisms in ternary gas mixtures Ar+CO2+N2 is presented regarding the possibility of developing a proportional scintillation counter based on the detection of the infrared molecular emissions associated with the lowest vibrational states of molecules. The use of visible or near-infrared photons ([lambda]<1 [mu]m) for applications like imaging and quality control of microstructure detectors has been reported. In view of these applications we analyse the processes leading to near-infrared emissions in pure argon and give an estimation of the number of photons emitted per electron, at several pressures, as a function of the charge gain.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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