Title :
A new technique for the absolute measurement of W-values for X-rays in gases
Author :
Vinagre, F.L.R. ; Borges, F.I.G.M. ; Conde, C.A.N.
Author_Institution :
Dept. de Fisica, Coimbra Univ., Portugal
Abstract :
A new technique that allows the absolute measurement of W-values for a wide range of gases at atmospheric pressures and low energy X-rays was developed. This technique is based on the measurement of the total absorbed energy with a proportional counter together with the measurement of the corresponding primary charge. The system also integrates a gas proportional scintillation counter for crosschecking of the results when scintillating gases are used. Experimental results obtained with this technique for 5.9 keV X-rays in Xe, Xe-60%Ne and Xe-10%CH4 mixtures are presented and their accuracy discussed
Keywords :
X-ray detection; gas scintillation detectors; proportional counters; W-values; X-rays; Xe; Xe-Ne; atmospheric pressure; gas; gas proportional scintillation counter; methane; primary charge; proportional counter; total absorbed energy; Atmospheric measurements; Charge measurement; Current measurement; Electrons; Energy measurement; Gases; Physics; Radiation detectors; Scintillation counters; X-rays;
Conference_Titel :
Nuclear Science Symposium, 1997. IEEE
Conference_Location :
Albuquerque, NM
Print_ISBN :
0-7803-4258-5
DOI :
10.1109/NSSMIC.1997.672530
