Radiation Protection Dosimetry 101:261-266 (2002)
© 2002 Oxford University Press
Extremity and Whole-body Dosemeters for Beta and Beta Gamma Fields based on LiF:Mg,Cu,P Thin Detectors
This study aims at proposing two TL dosemeters one for the whole body and another for the extremities, for beta and gamma fields. Selected sensible material consists of 5 mg.cm-2 LiF:Mg,Cu,P film (GR-200F) manufactured in China. Calibration was carried out according to ISO 4037-3, in terms of Hp(0.07), and dosimetric performance was analysed on the basis of IEC-1066 and ISO-12794 Standards. Experiments showed a satisfactory sensitivity of the proposed dosemeters for detecting beta radiation at protection levels and a very good energy response: thus, highly recommending their use for weakly penetrating radiation measurements. However, the homogeneity and the reproducibility of GR-200F are not found to be as reliable as in standard materials.
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