Dose metrology: TLD/OSL dose accuracy and energy response performance

Belhaj Omaima Essaad; Boukhal Hamid; Chakir El Mahjoub; Bellahsaouia Meryeme; Belhaj Siham; Sadeq Younes; Tazi Mohammed; El Khoukhi Tahar; Hadouachi Maryam; Laazouzi Khaoula

doi:10.1016/j.net.2022.10.029

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자료유형: 학술저널

저자정보: Belhaj Omaima Essaad (Radiations and Nuclear Systems Laboratory Faculty of Sciences University Abdelmalek Essaadi) Boukhal Hamid (Radiations and Nuclear Systems Laboratory Faculty of Sciences University Abdelmalek Essaadi) Chakir El Mahjoub (LPMS Faculty of Sciences Ibn Tofail University) Bellahsaouia Meryeme (LPMS Faculty of Sciences Ibn Tofail University) Belhaj Siham (ENA Marrakech) Sadeq Younes (LPMS Faculty of Sciences Ibn Tofail University) Tazi Mohammed (SSDL National Center of Radiation Protection (CNRP)) El Khoukhi Tahar (National Center for Energy Science and Nuclear Technology) Hadouachi Maryam (Radiations and Nuclear Systems Laboratory Faculty of Sciences University Abdelmalek Essaadi) Laazouzi Khaoula (Radiations and Nuclear Systems Laboratory Faculty of Sciences University Abdelmalek Essaadi)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제55권 제2호

발행연도: 2023.2

수록면: 717 - 724 (8page)

DOI: 10.1016/j.net.2022.10.029

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An essential step in evaluating and comparing the performance of two passive radiation dosimeter types, thermosluminescent (TLD) and optically stimulated luminescence (OSL), used by workers in environments with ionizing radiation for individual radiological monitoring and control of external exposure at various times (cumulative dose for 1 month), is to compare the measured dose accuracy, energy response, and coefficient of variation. In fact this performance study consists in determining the accuracy of both R(10) and R(0.07) which are considered as the ratios of the measured dose (Hp(10) or Hp(0.07)) to the delivered dose (Hp(10) or Hp(0.07)) for each photon energy. The validity of the results of this test is based on the acceptance limits of the ICRP and the international standard IEC-62387. The relative energy response used is normalized to the 137Cs 662 keV energy to find which energy response is closest to the ideal case, and the coefficient of variation that allows to determine the statistical fluctuation of the Hp(10) and Hp(0.07) doses. The results of the accuracy test for the OSL and TLD dosimeters are acceptable because they fall within the ICRP limits. For the energy response, the OSL performs better than the TLD for Hp(10) and Hp(0.07), and for the coefficient of variation, the OSL satisfies the requirements of ISO 62387 for both Hp(10) and Hp(0.07), while the TLD satisfies these requirements only for the measurement of Hp (0.07).

#TLD #OSL #Radiation protection #Energy dependence #ICPR trumpet graph #Hp (10) #Hp (0.07)

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Belhaj Omaima Essaad

소속기관 Radiations and Nuclear Systems Laboratory Faculty of Sciences University Abdelmalek Essaadi