Experimental investigation on the radiation background inside body counters

Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, th...
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Autor*in:	Wang, Yu [verfasserIn] Liu, Yuan-Yuan Wu, Bin Meng, Xiang-Peng Cheng, Jian-Ping Wang, Ying Wang, Li-Jiao Xiao, Yun-Shi Cao, Qin-Jian Zhang, Jian-Feng Tuo, Fei

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Body counter Radiation background Shielding room In vivo measurement

Anmerkung:	© The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022

Übergeordnetes Werk:	Enthalten in: Nuclear science and techniques - Singapore : Springer, 2006, 33(2022), 2 vom: Feb.
Übergeordnetes Werk:	volume:33 ; year:2022 ; number:2 ; month:02

Links:	Volltext

DOI / URN:	10.1007/s41365-022-01004-2

Katalog-ID:	SPR046337660

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520			\|a Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters.
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allfields	10.1007/s41365-022-01004-2 doi (DE-627)SPR046337660 (SPR)s41365-022-01004-2-e DE-627 ger DE-627 rakwb eng Wang, Yu verfasserin aut Experimental investigation on the radiation background inside body counters 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022 Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213 Liu, Yuan-Yuan aut Wu, Bin aut Meng, Xiang-Peng aut Cheng, Jian-Ping aut Wang, Ying aut Wang, Li-Jiao aut Xiao, Yun-Shi aut Cao, Qin-Jian aut Zhang, Jian-Feng aut Tuo, Fei aut Enthalten in Nuclear science and techniques Singapore : Springer, 2006 33(2022), 2 vom: Feb. (DE-627)513219439 (DE-600)2238719-5 2210-3147 nnns volume:33 year:2022 number:2 month:02 https://dx.doi.org/10.1007/s41365-022-01004-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 33 2022 2 02
spelling	10.1007/s41365-022-01004-2 doi (DE-627)SPR046337660 (SPR)s41365-022-01004-2-e DE-627 ger DE-627 rakwb eng Wang, Yu verfasserin aut Experimental investigation on the radiation background inside body counters 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022 Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213 Liu, Yuan-Yuan aut Wu, Bin aut Meng, Xiang-Peng aut Cheng, Jian-Ping aut Wang, Ying aut Wang, Li-Jiao aut Xiao, Yun-Shi aut Cao, Qin-Jian aut Zhang, Jian-Feng aut Tuo, Fei aut Enthalten in Nuclear science and techniques Singapore : Springer, 2006 33(2022), 2 vom: Feb. (DE-627)513219439 (DE-600)2238719-5 2210-3147 nnns volume:33 year:2022 number:2 month:02 https://dx.doi.org/10.1007/s41365-022-01004-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 33 2022 2 02
allfields_unstemmed	10.1007/s41365-022-01004-2 doi (DE-627)SPR046337660 (SPR)s41365-022-01004-2-e DE-627 ger DE-627 rakwb eng Wang, Yu verfasserin aut Experimental investigation on the radiation background inside body counters 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022 Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213 Liu, Yuan-Yuan aut Wu, Bin aut Meng, Xiang-Peng aut Cheng, Jian-Ping aut Wang, Ying aut Wang, Li-Jiao aut Xiao, Yun-Shi aut Cao, Qin-Jian aut Zhang, Jian-Feng aut Tuo, Fei aut Enthalten in Nuclear science and techniques Singapore : Springer, 2006 33(2022), 2 vom: Feb. (DE-627)513219439 (DE-600)2238719-5 2210-3147 nnns volume:33 year:2022 number:2 month:02 https://dx.doi.org/10.1007/s41365-022-01004-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 33 2022 2 02
allfieldsGer	10.1007/s41365-022-01004-2 doi (DE-627)SPR046337660 (SPR)s41365-022-01004-2-e DE-627 ger DE-627 rakwb eng Wang, Yu verfasserin aut Experimental investigation on the radiation background inside body counters 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022 Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213 Liu, Yuan-Yuan aut Wu, Bin aut Meng, Xiang-Peng aut Cheng, Jian-Ping aut Wang, Ying aut Wang, Li-Jiao aut Xiao, Yun-Shi aut Cao, Qin-Jian aut Zhang, Jian-Feng aut Tuo, Fei aut Enthalten in Nuclear science and techniques Singapore : Springer, 2006 33(2022), 2 vom: Feb. (DE-627)513219439 (DE-600)2238719-5 2210-3147 nnns volume:33 year:2022 number:2 month:02 https://dx.doi.org/10.1007/s41365-022-01004-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 33 2022 2 02
allfieldsSound	10.1007/s41365-022-01004-2 doi (DE-627)SPR046337660 (SPR)s41365-022-01004-2-e DE-627 ger DE-627 rakwb eng Wang, Yu verfasserin aut Experimental investigation on the radiation background inside body counters 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022 Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213 Liu, Yuan-Yuan aut Wu, Bin aut Meng, Xiang-Peng aut Cheng, Jian-Ping aut Wang, Ying aut Wang, Li-Jiao aut Xiao, Yun-Shi aut Cao, Qin-Jian aut Zhang, Jian-Feng aut Tuo, Fei aut Enthalten in Nuclear science and techniques Singapore : Springer, 2006 33(2022), 2 vom: Feb. (DE-627)513219439 (DE-600)2238719-5 2210-3147 nnns volume:33 year:2022 number:2 month:02 https://dx.doi.org/10.1007/s41365-022-01004-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 33 2022 2 02
language	English
source	Enthalten in Nuclear science and techniques 33(2022), 2 vom: Feb. volume:33 year:2022 number:2 month:02
sourceStr	Enthalten in Nuclear science and techniques 33(2022), 2 vom: Feb. volume:33 year:2022 number:2 month:02
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Body counter Radiation background Shielding room In vivo measurement
isfreeaccess_bool	false
container_title	Nuclear science and techniques
authorswithroles_txt_mv	Wang, Yu @@aut@@ Liu, Yuan-Yuan @@aut@@ Wu, Bin @@aut@@ Meng, Xiang-Peng @@aut@@ Cheng, Jian-Ping @@aut@@ Wang, Ying @@aut@@ Wang, Li-Jiao @@aut@@ Xiao, Yun-Shi @@aut@@ Cao, Qin-Jian @@aut@@ Zhang, Jian-Feng @@aut@@ Tuo, Fei @@aut@@
publishDateDaySort_date	2022-02-01T00:00:00Z
hierarchy_top_id	513219439
id	SPR046337660
language_de	englisch
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author	Wang, Yu
spellingShingle	Wang, Yu misc Body counter misc Radiation background misc Shielding room misc In vivo measurement Experimental investigation on the radiation background inside body counters
authorStr	Wang, Yu
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topic_title	Experimental investigation on the radiation background inside body counters Body counter (dpeaa)DE-He213 Radiation background (dpeaa)DE-He213 Shielding room (dpeaa)DE-He213 In vivo measurement (dpeaa)DE-He213
topic	misc Body counter misc Radiation background misc Shielding room misc In vivo measurement
topic_unstemmed	misc Body counter misc Radiation background misc Shielding room misc In vivo measurement
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title	Experimental investigation on the radiation background inside body counters
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title_full	Experimental investigation on the radiation background inside body counters
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author_browse	Wang, Yu Liu, Yuan-Yuan Wu, Bin Meng, Xiang-Peng Cheng, Jian-Ping Wang, Ying Wang, Li-Jiao Xiao, Yun-Shi Cao, Qin-Jian Zhang, Jian-Feng Tuo, Fei
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doi_str_mv	10.1007/s41365-022-01004-2
title_sort	experimental investigation on the radiation background inside body counters
title_auth	Experimental investigation on the radiation background inside body counters
abstract	Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022
abstractGer	Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022
abstract_unstemmed	Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). Furthermore, based on these results, we discuss practical guidelines to design a shielding room for body counters. © The Author(s), under exclusive licence to China Science Publishing & Media Ltd. (Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022
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title_short	Experimental investigation on the radiation background inside body counters
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doi_str	10.1007/s41365-022-01004-2
up_date	2024-07-03T21:54:56.102Z
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(Science Press), Shanghai Institute of Applied Physics, the Chinese Academy of Sciences, Chinese Nuclear Society 2022</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract In vivo measurement of radioactivity based on various body counters is arguably the leading measure used to determine the distribution and activity of radionuclides in human subjects, such as I-131 in the thyroid, Am-241 in the lungs, and Pb-210 in the skull. Throughout the measurements, the radiation background is the key factor that determines the sensitivity of the counter. Therefore, to facilitate in vivo measurements, a well-designed shielding room is required to create a low-background environment. However, because the compositions of the radiation background are quite complicated, the respective contributions from each source remain obscure, which places a considerable burden on seeking an optimized design of shielding rooms that strikes the optimum balance between the construction cost and background suppression effect. In this study, we conducted a systematic experimental investigation on the radiation background outside and inside four representative body counters with assorted designs using a variety of radiation detectors, including high-purity germanium detectors, CdZnTe detector, radon emanometer, and gamma-ray dosimeter. By carefully controlling the experimental conditions and synergetic analysis of the measurement results, in conjunction with previous studies, we separated and determined the relative contributions induced by environmental radiation (4%), airborne radon and its daughters (2%), the normal radioactivity of human subjects arising from K-40 (58%), cosmic rays (12%), and radioactivity in shielding materials and measuring instruments (24%). 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Experimental investigation on the radiation background inside body counters

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