"A comparison between two methodologies for environmental gamma-ray spectrometry were carried out. Laboratory analyses on soil samples were used to test the accuracy of a hand-held portable instrument. Numerical simulations were performed to calibrate detectors and evaluate the actual response of the instrument in the field. Measurements were carried out in a volcanic area, in order to detect the presence of natural radionuclides such as 238U and 232Th chains daughters and 40K. Results show a good agreement between the two methodologies. Some discrepancies are correlated to the presence of vegetation in the monitoring area, and can give a proxy to infer the presence of 222Rn degassing."
Di Paolo, F., Plastino, W., Bella, F., De Vincenzi, M., Laubenstein, M., Povinec, P.p., et al. (2011). Ground Gamma-ray survey by HPGe: Numerical simulations and comparison between field and laboratory measurements. In Proceedings of the Seventh International Conference on Natural Computation (pp.2100-2103) [10.1109/ICNC.2011.6022594].
Ground Gamma-ray survey by HPGe: Numerical simulations and comparison between field and laboratory measurements
Di Paolo F;Plastino W;BELLA, Francesco;De Vincenzi M;Ruggieri F
2011-01-01
Abstract
"A comparison between two methodologies for environmental gamma-ray spectrometry were carried out. Laboratory analyses on soil samples were used to test the accuracy of a hand-held portable instrument. Numerical simulations were performed to calibrate detectors and evaluate the actual response of the instrument in the field. Measurements were carried out in a volcanic area, in order to detect the presence of natural radionuclides such as 238U and 232Th chains daughters and 40K. Results show a good agreement between the two methodologies. Some discrepancies are correlated to the presence of vegetation in the monitoring area, and can give a proxy to infer the presence of 222Rn degassing."I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
