Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response
Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Jacomb-Hood, Timothy [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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| Anmerkung: |
© Institute of High Energy Physics, Chinese Academy of Sciences 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Radiation detection technology and methods - [Singapore] : Springer Singapore, 2017, 6(2021), 1 vom: 02. Dez., Seite 78-87 |
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| Übergeordnetes Werk: |
volume:6 ; year:2021 ; number:1 ; day:02 ; month:12 ; pages:78-87 |
| Links: |
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| DOI / URN: |
10.1007/s41605-021-00297-y |
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| Katalog-ID: |
SPR046531920 |
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| 100 | 1 | |a Jacomb-Hood, Timothy |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response |
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| 520 | |a Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. | ||
| 650 | 4 | |a Nuclear forensics |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Radiation detection |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Gamma-ray imaging |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Fast, James |4 aut | |
| 700 | 1 | |a Marianno, Craig M. |0 (orcid)0000-0001-8531-3951 |4 aut | |
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10.1007/s41605-021-00297-y doi (DE-627)SPR046531920 (SPR)s41605-021-00297-y-e DE-627 ger DE-627 rakwb eng Jacomb-Hood, Timothy verfasserin aut Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of High Energy Physics, Chinese Academy of Sciences 2021 Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 Fast, James aut Marianno, Craig M. (orcid)0000-0001-8531-3951 aut Enthalten in Radiation detection technology and methods [Singapore] : Springer Singapore, 2017 6(2021), 1 vom: 02. Dez., Seite 78-87 (DE-627)886059038 (DE-600)2893569-X 2509-9949 nnns volume:6 year:2021 number:1 day:02 month:12 pages:78-87 https://dx.doi.org/10.1007/s41605-021-00297-y 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_266 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 6 2021 1 02 12 78-87 |
| spelling |
10.1007/s41605-021-00297-y doi (DE-627)SPR046531920 (SPR)s41605-021-00297-y-e DE-627 ger DE-627 rakwb eng Jacomb-Hood, Timothy verfasserin aut Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of High Energy Physics, Chinese Academy of Sciences 2021 Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 Fast, James aut Marianno, Craig M. (orcid)0000-0001-8531-3951 aut Enthalten in Radiation detection technology and methods [Singapore] : Springer Singapore, 2017 6(2021), 1 vom: 02. Dez., Seite 78-87 (DE-627)886059038 (DE-600)2893569-X 2509-9949 nnns volume:6 year:2021 number:1 day:02 month:12 pages:78-87 https://dx.doi.org/10.1007/s41605-021-00297-y 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_266 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 6 2021 1 02 12 78-87 |
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10.1007/s41605-021-00297-y doi (DE-627)SPR046531920 (SPR)s41605-021-00297-y-e DE-627 ger DE-627 rakwb eng Jacomb-Hood, Timothy verfasserin aut Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of High Energy Physics, Chinese Academy of Sciences 2021 Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 Fast, James aut Marianno, Craig M. (orcid)0000-0001-8531-3951 aut Enthalten in Radiation detection technology and methods [Singapore] : Springer Singapore, 2017 6(2021), 1 vom: 02. Dez., Seite 78-87 (DE-627)886059038 (DE-600)2893569-X 2509-9949 nnns volume:6 year:2021 number:1 day:02 month:12 pages:78-87 https://dx.doi.org/10.1007/s41605-021-00297-y 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_266 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 6 2021 1 02 12 78-87 |
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10.1007/s41605-021-00297-y doi (DE-627)SPR046531920 (SPR)s41605-021-00297-y-e DE-627 ger DE-627 rakwb eng Jacomb-Hood, Timothy verfasserin aut Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of High Energy Physics, Chinese Academy of Sciences 2021 Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 Fast, James aut Marianno, Craig M. (orcid)0000-0001-8531-3951 aut Enthalten in Radiation detection technology and methods [Singapore] : Springer Singapore, 2017 6(2021), 1 vom: 02. Dez., Seite 78-87 (DE-627)886059038 (DE-600)2893569-X 2509-9949 nnns volume:6 year:2021 number:1 day:02 month:12 pages:78-87 https://dx.doi.org/10.1007/s41605-021-00297-y 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_266 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 6 2021 1 02 12 78-87 |
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10.1007/s41605-021-00297-y doi (DE-627)SPR046531920 (SPR)s41605-021-00297-y-e DE-627 ger DE-627 rakwb eng Jacomb-Hood, Timothy verfasserin aut Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of High Energy Physics, Chinese Academy of Sciences 2021 Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 Fast, James aut Marianno, Craig M. (orcid)0000-0001-8531-3951 aut Enthalten in Radiation detection technology and methods [Singapore] : Springer Singapore, 2017 6(2021), 1 vom: 02. Dez., Seite 78-87 (DE-627)886059038 (DE-600)2893569-X 2509-9949 nnns volume:6 year:2021 number:1 day:02 month:12 pages:78-87 https://dx.doi.org/10.1007/s41605-021-00297-y 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_266 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 6 2021 1 02 12 78-87 |
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This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. 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Jacomb-Hood, Timothy |
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Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response Nuclear forensics (dpeaa)DE-He213 Radiation detection (dpeaa)DE-He213 Gamma-ray imaging (dpeaa)DE-He213 |
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Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response |
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correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response |
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Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response |
| abstract |
Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. © Institute of High Energy Physics, Chinese Academy of Sciences 2021 |
| abstractGer |
Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. © Institute of High Energy Physics, Chinese Academy of Sciences 2021 |
| abstract_unstemmed |
Purpose The Germanium Gamma-ray Imager (GeGI) is a planar high-purity germanium (HPGe) imaging detector developed by PHDS Co for far-field imaging. This research investigates the detector’s ability for measuring heterogeneous sources in the near field, placed directly on the detector’s faceplate, to perform isotopic mapping for nuclear forensic missions. Methods The intrinsic efficiency is strongly dependent on where the photons interact within the germanium. The efficiency varies by up to 20% within the sensitive volume of the detector. The efficiency was mapped using eight different photons from 123 to 1274 keV emitted from a collimated 154Eu photons. These were measured at 108 locations to interpolate the efficiency at any point on the detector’s face. Results The position and energy dependence are uncorrelated, and thus, the absolute efficiency at any position and for any gamma-ray energy can be calculated by the convolution of the spatial and energy efficiencies. Conclusion The results on this research show that detection efficiency for a planar two-sided strip HPGe is spatially dependent and shows typical energy dependence. The spatial dependence, which does not have any additional energy dependence, can be corrected. A 154Eu source was used in this research and was able to spatially calibrate for photon energies ranging from 100 to 1300 keV. This method is applicable for sources with higher gamma energies. The advantages of the method demonstrated that after initial in-laboratory calibration, a single measurement in the field can be used to efficiently calibrate the HPGe as a function of photon interaction on the crystal. © Institute of High Energy Physics, Chinese Academy of Sciences 2021 |
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Correcting for spatially dependent intrinsic efficiency on a germanium double-sided strip detector to improve nuclear forensics response |
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https://dx.doi.org/10.1007/s41605-021-00297-y |
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Fast, James Marianno, Craig M. |
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Fast, James Marianno, Craig M. |
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10.1007/s41605-021-00297-y |
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| score |
7.4001036 |