Establishment of X-ray narrow spectrum beam energy according to the requirements of the new version of ISO 4037-2019 comparison with the previous version 1996
by Taibi Zidouz; El Mehdi Alibrahmi; El Mahjoub Chakir; Abdessamad Didi; Abdellatif Talbi; Abderahim Allach; Abdelouahab Abarane
International Journal of Power and Energy Conversion (IJPEC), Vol. 14, No. 4, 2023

Abstract: The primary aim of this study is to examine discrepancies resulting from the application of ISO 4037 standards. This investigation entails a comparative analysis between the 2019 and 1996 editions, focusing on the standard deviation between measured and normative values of the 1st Half Value Layer (HVL), as well as the ratio (1st HVL-measured / 1st HVL normative) for ISO 4037-1996. This research is conducted within Morocco's National Center for Nuclear Energy, Sciences, and Technology (CNESTEN) at the Gamma and X Calibration Laboratory. The laboratory employs a HOPPEWEL X80-225kV X-ray generator and TK-30 ion chamber for establishing standards beams. All obtained results are generally acceptable, except in the case of N-20 beam (with a ratio of 20% exceeding the 5% limit prescribed by ISO 4037-1996, and a standard deviation of 79 µm, falling below the 100 µm requirement for Hp(10), while surpassing 10 µm for Hp(3) according to ISO 4037-2019).

Online publication date: Thu, 14-Dec-2023

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