Design of simulated-gas calibration source and self-attenuation correction methods for radioactive noble gas measurement with HPGe detector
Copyright © 2024 Elsevier Ltd. All rights reserved..
In this study, to achieve accurate measurement of radioactive noble gas and enhance the precision of efficiency calibration, a relatively low-cost and low-density simulated-gas calibration source (SGCS) was produced from polyurethane foam with a density of ρ = 0.098 g cm-3. Using SGCS with a Marinelli beaker geometry, the efficiency calibration was applied to a BE5030, 50.5% relative efficiency HPGe detector in an energy range of 59.54 keV∼1836.06 keV. Then, taking the 81 keV gamma-ray emitted by 133Xe as an example, due to the density difference between the SGCS and the 133Xe gas sample, it is necessary to correct for self-attenuation effects. Therefore, a semi-empirical function for self-attenuation correction was established by using LabSOCS software and XCOM. Upon validation, the relative deviation of efficiency calibration values between the SGCS and the LabSOCS of 133Xe under the density of 0.001 g cm-3 to 0.01 g cm-3 was about 3%. After using the self-attenuation correction method established in this study, the results verified a good consistency of the efficiency calculated by SGCS and LabSOCS software.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:206 |
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| Enthalten in: |
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine - 206(2024) vom: 29. März, Seite 111248 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Shuo [VerfasserIn] |
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| Links: |
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| Themen: |
HPGe detector |
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| Anmerkungen: |
Date Revised 08.03.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.apradiso.2024.111248 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369128370 |
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| 520 | |a Copyright © 2024 Elsevier Ltd. All rights reserved. | ||
| 520 | |a In this study, to achieve accurate measurement of radioactive noble gas and enhance the precision of efficiency calibration, a relatively low-cost and low-density simulated-gas calibration source (SGCS) was produced from polyurethane foam with a density of ρ = 0.098 g cm-3. Using SGCS with a Marinelli beaker geometry, the efficiency calibration was applied to a BE5030, 50.5% relative efficiency HPGe detector in an energy range of 59.54 keV∼1836.06 keV. Then, taking the 81 keV gamma-ray emitted by 133Xe as an example, due to the density difference between the SGCS and the 133Xe gas sample, it is necessary to correct for self-attenuation effects. Therefore, a semi-empirical function for self-attenuation correction was established by using LabSOCS software and XCOM. Upon validation, the relative deviation of efficiency calibration values between the SGCS and the LabSOCS of 133Xe under the density of 0.001 g cm-3 to 0.01 g cm-3 was about 3%. After using the self-attenuation correction method established in this study, the results verified a good consistency of the efficiency calculated by SGCS and LabSOCS software | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a HPGe detector | |
| 650 | 4 | |a LabSOCS | |
| 650 | 4 | |a Radioactive noble gas | |
| 650 | 4 | |a Self-attenuation correction | |
| 650 | 4 | |a Simulated-gas calibration source | |
| 700 | 1 | |a Tuo, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Qiu, Xiang-Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Xiao, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Jun-Cheng |e verfasserin |4 aut | |
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