The possibility of using electron paramagnetic resonance spectroscopy in Fricke dosimetry was investigated. Specifically, the spectra of different solutions mimicking irradiated dosimeters were recorded to study the shape and the intensity of the absorption peak with respect to the ferric ion concentration. The experimental data were used to identify the dosimetric signal, to check its linearity and to compute the sensitivity to the absorbed dose. The application of electron paramagnetic resonance in Fricke dosimetry appears to be feasible and the contribution to the combined standard uncertainty due to the measurement of the dosimetric signal is preliminary evaluated at Gy level in a range between zero and a few hundreds of Gy
Use of Electron Paramagnetic Resonance spectroscopy in Fricke dosimetry: measurement signal and achievable sensitivity / D'Agostino, Giancarlo; Buttafava, A; Dondi, D; Liosi, Gm; Mariani, M; Oddone, M; Zeffiro, A.. - (2014).
Use of Electron Paramagnetic Resonance spectroscopy in Fricke dosimetry: measurement signal and achievable sensitivity
D'AGOSTINO, GIANCARLO;
2014
Abstract
The possibility of using electron paramagnetic resonance spectroscopy in Fricke dosimetry was investigated. Specifically, the spectra of different solutions mimicking irradiated dosimeters were recorded to study the shape and the intensity of the absorption peak with respect to the ferric ion concentration. The experimental data were used to identify the dosimetric signal, to check its linearity and to compute the sensitivity to the absorbed dose. The application of electron paramagnetic resonance in Fricke dosimetry appears to be feasible and the contribution to the combined standard uncertainty due to the measurement of the dosimetric signal is preliminary evaluated at Gy level in a range between zero and a few hundreds of GyI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
