Online monitoring of air activation at the China spallation neutron source
During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was develo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhuang, Sixuan [verfasserIn] Wu, Qingbiao [verfasserIn] Wang, Yufei [verfasserIn] Ma, Yinglin [verfasserIn] Li, Lun [verfasserIn] Zhang, Gang [verfasserIn] Chen, Yu [verfasserIn] Zhang, Yuliang [verfasserIn] Liu, Huachang [verfasserIn] Qi, Xin [verfasserIn] Zhao, Luyang [verfasserIn] Ma, Hongbo [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of environmental radioactivity - New York, NY [u.a.] : Elsevier, 1984, 234 |
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| Übergeordnetes Werk: |
volume:234 |
| DOI / URN: |
10.1016/j.jenvrad.2021.106642 |
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| Katalog-ID: |
ELV006057748 |
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| 520 | |a During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. | ||
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| 700 | 1 | |a Li, Lun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Gang |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yuliang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Huachang |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Luyang |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Hongbo |e verfasserin |4 aut | |
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10.1016/j.jenvrad.2021.106642 doi (DE-627)ELV006057748 (ELSEVIER)S0265-931X(21)00114-4 DE-627 ger DE-627 rda eng 690 540 DE-600 33.56 bkl 43.68 bkl Zhuang, Sixuan verfasserin aut Online monitoring of air activation at the China spallation neutron source 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. Proton accelerator Air activation Radionuclide Gamma spectrum Wu, Qingbiao verfasserin (orcid)0000-0002-4328-0474 aut Wang, Yufei verfasserin aut Ma, Yinglin verfasserin aut Li, Lun verfasserin aut Zhang, Gang verfasserin aut Chen, Yu verfasserin aut Zhang, Yuliang verfasserin aut Liu, Huachang verfasserin aut Qi, Xin verfasserin aut Zhao, Luyang verfasserin aut Ma, Hongbo verfasserin aut Enthalten in Journal of environmental radioactivity New York, NY [u.a.] : Elsevier, 1984 234 Online-Ressource (DE-627)300595557 (DE-600)1483112-0 (DE-576)116330872 1879-1700 nnns volume:234 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.56 Elementarteilchenphysik 43.68 Umweltbelastung durch Strahlung AR 234 |
| spelling |
10.1016/j.jenvrad.2021.106642 doi (DE-627)ELV006057748 (ELSEVIER)S0265-931X(21)00114-4 DE-627 ger DE-627 rda eng 690 540 DE-600 33.56 bkl 43.68 bkl Zhuang, Sixuan verfasserin aut Online monitoring of air activation at the China spallation neutron source 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. Proton accelerator Air activation Radionuclide Gamma spectrum Wu, Qingbiao verfasserin (orcid)0000-0002-4328-0474 aut Wang, Yufei verfasserin aut Ma, Yinglin verfasserin aut Li, Lun verfasserin aut Zhang, Gang verfasserin aut Chen, Yu verfasserin aut Zhang, Yuliang verfasserin aut Liu, Huachang verfasserin aut Qi, Xin verfasserin aut Zhao, Luyang verfasserin aut Ma, Hongbo verfasserin aut Enthalten in Journal of environmental radioactivity New York, NY [u.a.] : Elsevier, 1984 234 Online-Ressource (DE-627)300595557 (DE-600)1483112-0 (DE-576)116330872 1879-1700 nnns volume:234 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.56 Elementarteilchenphysik 43.68 Umweltbelastung durch Strahlung AR 234 |
| allfields_unstemmed |
10.1016/j.jenvrad.2021.106642 doi (DE-627)ELV006057748 (ELSEVIER)S0265-931X(21)00114-4 DE-627 ger DE-627 rda eng 690 540 DE-600 33.56 bkl 43.68 bkl Zhuang, Sixuan verfasserin aut Online monitoring of air activation at the China spallation neutron source 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. Proton accelerator Air activation Radionuclide Gamma spectrum Wu, Qingbiao verfasserin (orcid)0000-0002-4328-0474 aut Wang, Yufei verfasserin aut Ma, Yinglin verfasserin aut Li, Lun verfasserin aut Zhang, Gang verfasserin aut Chen, Yu verfasserin aut Zhang, Yuliang verfasserin aut Liu, Huachang verfasserin aut Qi, Xin verfasserin aut Zhao, Luyang verfasserin aut Ma, Hongbo verfasserin aut Enthalten in Journal of environmental radioactivity New York, NY [u.a.] : Elsevier, 1984 234 Online-Ressource (DE-627)300595557 (DE-600)1483112-0 (DE-576)116330872 1879-1700 nnns volume:234 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.56 Elementarteilchenphysik 43.68 Umweltbelastung durch Strahlung AR 234 |
| allfieldsGer |
10.1016/j.jenvrad.2021.106642 doi (DE-627)ELV006057748 (ELSEVIER)S0265-931X(21)00114-4 DE-627 ger DE-627 rda eng 690 540 DE-600 33.56 bkl 43.68 bkl Zhuang, Sixuan verfasserin aut Online monitoring of air activation at the China spallation neutron source 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. Proton accelerator Air activation Radionuclide Gamma spectrum Wu, Qingbiao verfasserin (orcid)0000-0002-4328-0474 aut Wang, Yufei verfasserin aut Ma, Yinglin verfasserin aut Li, Lun verfasserin aut Zhang, Gang verfasserin aut Chen, Yu verfasserin aut Zhang, Yuliang verfasserin aut Liu, Huachang verfasserin aut Qi, Xin verfasserin aut Zhao, Luyang verfasserin aut Ma, Hongbo verfasserin aut Enthalten in Journal of environmental radioactivity New York, NY [u.a.] : Elsevier, 1984 234 Online-Ressource (DE-627)300595557 (DE-600)1483112-0 (DE-576)116330872 1879-1700 nnns volume:234 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.56 Elementarteilchenphysik 43.68 Umweltbelastung durch Strahlung AR 234 |
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10.1016/j.jenvrad.2021.106642 doi (DE-627)ELV006057748 (ELSEVIER)S0265-931X(21)00114-4 DE-627 ger DE-627 rda eng 690 540 DE-600 33.56 bkl 43.68 bkl Zhuang, Sixuan verfasserin aut Online monitoring of air activation at the China spallation neutron source 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. Proton accelerator Air activation Radionuclide Gamma spectrum Wu, Qingbiao verfasserin (orcid)0000-0002-4328-0474 aut Wang, Yufei verfasserin aut Ma, Yinglin verfasserin aut Li, Lun verfasserin aut Zhang, Gang verfasserin aut Chen, Yu verfasserin aut Zhang, Yuliang verfasserin aut Liu, Huachang verfasserin aut Qi, Xin verfasserin aut Zhao, Luyang verfasserin aut Ma, Hongbo verfasserin aut Enthalten in Journal of environmental radioactivity New York, NY [u.a.] : Elsevier, 1984 234 Online-Ressource (DE-627)300595557 (DE-600)1483112-0 (DE-576)116330872 1879-1700 nnns volume:234 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.56 Elementarteilchenphysik 43.68 Umweltbelastung durch Strahlung AR 234 |
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690 540 DE-600 33.56 bkl 43.68 bkl Online monitoring of air activation at the China spallation neutron source Proton accelerator Air activation Radionuclide Gamma spectrum |
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Online monitoring of air activation at the China spallation neutron source |
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Online monitoring of air activation at the China spallation neutron source |
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Zhuang, Sixuan |
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Journal of environmental radioactivity |
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Zhuang, Sixuan Wu, Qingbiao Wang, Yufei Ma, Yinglin Li, Lun Zhang, Gang Chen, Yu Zhang, Yuliang Liu, Huachang Qi, Xin Zhao, Luyang Ma, Hongbo |
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online monitoring of air activation at the china spallation neutron source |
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Online monitoring of air activation at the China spallation neutron source |
| abstract |
During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. |
| abstractGer |
During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. |
| abstract_unstemmed |
During the operation of high-energy proton accelerators, the air in the tunnel is activated with the production of radionuclides. For CSNS (China Spallation Neutron Source), the first pulsed neutron source in China for multidisciplinary research, an online air activation monitoring system was developed to evaluate the radiation safety of the staff and the public, which consisted of a NaI detector, Pb shielding, an MB container and a control system. With the monitoring system, gamma spectra of the activated air from controlled areas are measured, and the activity concentration and immersion dose rates of radionuclides in air are calculated and displayed in real time. The system has been in stable operation since February 2020, and results have been obtained for the evaluation of the radiation risk from activated air. |
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