Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system
Abstract
Aerial L-alanine pellet dosimeter is characterized by MiniScope MS300 electron spin resonance spectrometer measurements using AerEDE Version 2.0.4. software for dose calculation. The measurement traceability is achieved by Aerial dosimetry laboratory where dosimeters for calibration curve were irradiated by electron beam accelerator. Dose determinations in Aerial are traceable to National Physical Laboratory (NPL). The software used for construction of calibration curve gives also the standard deviation of the residuals of measurements for calibration that is used for dose uncertainty calculation. In aim to determine whether this value can actually be taken as absorbed dose uncertainty during usage of this dosimetry system, alanine dosimeters were irradiated with doses between 5 and 32 kGy by Co-60 laboratory source for internal calibration. The dose rate at the places for irradiation was (20 +/- 0.5) mGy s(-1) determined by Fricke dosimeter. Measurement of each irradiated dosimeter wa...s repeated ten times in ten days. The results of measurements were analyzed to identify the sources of uncertainty, as well as their quantification in evaluation of total measurement uncertainty. In addition to statistical effects, the very low dose rate that was used for the irradiation of alanine dosimeters affects the measurements of absorbed dose, particularly for higher absorbed doses where the measured dose can be up to 3% lower than the real. (C) 2016 Elsevier Ltd. All rights reserved.
Keywords:
Alanine dosimetry / Measurement uncertainty / Dose rate effectSource:
Radiation Measurements, 2016, 89, 63-67Publisher:
- Elsevier
Funding / projects:
- Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45020)
- Size-, shape- and structure- dependent properties of nanoparticles and nanocomposites (RS-MESTD-Basic Research (BR or ON)-172056)
- IAEA [SRB/5/002]
DOI: 10.1016/j.radmeas.2016.03.003
ISSN: 1350-4487
WoS: 000376834900009
Scopus: 2-s2.0-84977952458
Collections
Institution/Community
VinčaTY - JOUR AU - Šećerov, Bojana Lj. AU - Radenković, Mirjana AU - Dramićanin, Miroslav PY - 2016 UR - https://vinar.vin.bg.ac.rs/handle/123456789/1098 AB - Aerial L-alanine pellet dosimeter is characterized by MiniScope MS300 electron spin resonance spectrometer measurements using AerEDE Version 2.0.4. software for dose calculation. The measurement traceability is achieved by Aerial dosimetry laboratory where dosimeters for calibration curve were irradiated by electron beam accelerator. Dose determinations in Aerial are traceable to National Physical Laboratory (NPL). The software used for construction of calibration curve gives also the standard deviation of the residuals of measurements for calibration that is used for dose uncertainty calculation. In aim to determine whether this value can actually be taken as absorbed dose uncertainty during usage of this dosimetry system, alanine dosimeters were irradiated with doses between 5 and 32 kGy by Co-60 laboratory source for internal calibration. The dose rate at the places for irradiation was (20 +/- 0.5) mGy s(-1) determined by Fricke dosimeter. Measurement of each irradiated dosimeter was repeated ten times in ten days. The results of measurements were analyzed to identify the sources of uncertainty, as well as their quantification in evaluation of total measurement uncertainty. In addition to statistical effects, the very low dose rate that was used for the irradiation of alanine dosimeters affects the measurements of absorbed dose, particularly for higher absorbed doses where the measured dose can be up to 3% lower than the real. (C) 2016 Elsevier Ltd. All rights reserved. PB - Elsevier T2 - Radiation Measurements T1 - Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system VL - 89 SP - 63 EP - 67 DO - 10.1016/j.radmeas.2016.03.003 ER -
@article{ author = "Šećerov, Bojana Lj. and Radenković, Mirjana and Dramićanin, Miroslav", year = "2016", abstract = "Aerial L-alanine pellet dosimeter is characterized by MiniScope MS300 electron spin resonance spectrometer measurements using AerEDE Version 2.0.4. software for dose calculation. The measurement traceability is achieved by Aerial dosimetry laboratory where dosimeters for calibration curve were irradiated by electron beam accelerator. Dose determinations in Aerial are traceable to National Physical Laboratory (NPL). The software used for construction of calibration curve gives also the standard deviation of the residuals of measurements for calibration that is used for dose uncertainty calculation. In aim to determine whether this value can actually be taken as absorbed dose uncertainty during usage of this dosimetry system, alanine dosimeters were irradiated with doses between 5 and 32 kGy by Co-60 laboratory source for internal calibration. The dose rate at the places for irradiation was (20 +/- 0.5) mGy s(-1) determined by Fricke dosimeter. Measurement of each irradiated dosimeter was repeated ten times in ten days. The results of measurements were analyzed to identify the sources of uncertainty, as well as their quantification in evaluation of total measurement uncertainty. In addition to statistical effects, the very low dose rate that was used for the irradiation of alanine dosimeters affects the measurements of absorbed dose, particularly for higher absorbed doses where the measured dose can be up to 3% lower than the real. (C) 2016 Elsevier Ltd. All rights reserved.", publisher = "Elsevier", journal = "Radiation Measurements", title = "Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system", volume = "89", pages = "63-67", doi = "10.1016/j.radmeas.2016.03.003" }
Šećerov, B. Lj., Radenković, M.,& Dramićanin, M.. (2016). Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system. in Radiation Measurements Elsevier., 89, 63-67. https://doi.org/10.1016/j.radmeas.2016.03.003
Šećerov BL, Radenković M, Dramićanin M. Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system. in Radiation Measurements. 2016;89:63-67. doi:10.1016/j.radmeas.2016.03.003 .
Šećerov, Bojana Lj., Radenković, Mirjana, Dramićanin, Miroslav, "Uncertainty and routine use of Aerial L-alanine - Electron spin resonance dosimetry system" in Radiation Measurements, 89 (2016):63-67, https://doi.org/10.1016/j.radmeas.2016.03.003 . .