Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry
The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicab...
Ausführliche Beschreibung
Autor*in: |
Famulok, N. [verfasserIn] |
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Englisch |
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2015transfer abstract |
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Übergeordnetes Werk: |
Enthalten in: Editorial Comment - Unwala, Darius J. ELSEVIER, 2013, a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics, Amsterdam [u.a.] |
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Übergeordnetes Werk: |
volume:361 ; year:2015 ; day:15 ; month:10 ; pages:193-196 ; extent:4 |
Links: |
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DOI / URN: |
10.1016/j.nimb.2015.03.042 |
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ELV02335013X |
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520 | |a The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. | ||
520 | |a The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. | ||
650 | 7 | |a Background |2 Elsevier | |
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700 | 1 | |a Faestermann, T. |4 oth | |
700 | 1 | |a Fimiani, L. |4 oth | |
700 | 1 | |a Gómez-Guzmán, J.M. |4 oth | |
700 | 1 | |a Hain, K. |4 oth | |
700 | 1 | |a Korschinek, G. |4 oth | |
700 | 1 | |a Ludwig, P. |4 oth | |
700 | 1 | |a Schönert, S. |4 oth | |
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10.1016/j.nimb.2015.03.042 doi GBV00000000000148A.pica (DE-627)ELV02335013X (ELSEVIER)S0168-583X(15)00242-6 DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 610 VZ 44.85 bkl Famulok, N. verfasserin aut Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry 2015transfer abstract 4 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. Background Elsevier Accelerator Mass Spectrometry Elsevier Ultra sensitive Elsevier Low level Elsevier Faestermann, T. oth Fimiani, L. oth Gómez-Guzmán, J.M. oth Hain, K. oth Korschinek, G. oth Ludwig, P. oth Schönert, S. oth Enthalten in Elsevier Unwala, Darius J. ELSEVIER Editorial Comment 2013 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam [u.a.] (DE-627)ELV011304669 volume:361 year:2015 day:15 month:10 pages:193-196 extent:4 https://doi.org/10.1016/j.nimb.2015.03.042 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_62 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 44.85 Kardiologie Angiologie VZ AR 361 2015 15 1015 193-196 4 045F 530 |
spelling |
10.1016/j.nimb.2015.03.042 doi GBV00000000000148A.pica (DE-627)ELV02335013X (ELSEVIER)S0168-583X(15)00242-6 DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 610 VZ 44.85 bkl Famulok, N. verfasserin aut Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry 2015transfer abstract 4 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. Background Elsevier Accelerator Mass Spectrometry Elsevier Ultra sensitive Elsevier Low level Elsevier Faestermann, T. oth Fimiani, L. oth Gómez-Guzmán, J.M. oth Hain, K. oth Korschinek, G. oth Ludwig, P. oth Schönert, S. oth Enthalten in Elsevier Unwala, Darius J. ELSEVIER Editorial Comment 2013 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam [u.a.] (DE-627)ELV011304669 volume:361 year:2015 day:15 month:10 pages:193-196 extent:4 https://doi.org/10.1016/j.nimb.2015.03.042 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_62 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 44.85 Kardiologie Angiologie VZ AR 361 2015 15 1015 193-196 4 045F 530 |
allfields_unstemmed |
10.1016/j.nimb.2015.03.042 doi GBV00000000000148A.pica (DE-627)ELV02335013X (ELSEVIER)S0168-583X(15)00242-6 DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 610 VZ 44.85 bkl Famulok, N. verfasserin aut Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry 2015transfer abstract 4 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. Background Elsevier Accelerator Mass Spectrometry Elsevier Ultra sensitive Elsevier Low level Elsevier Faestermann, T. oth Fimiani, L. oth Gómez-Guzmán, J.M. oth Hain, K. oth Korschinek, G. oth Ludwig, P. oth Schönert, S. oth Enthalten in Elsevier Unwala, Darius J. ELSEVIER Editorial Comment 2013 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam [u.a.] (DE-627)ELV011304669 volume:361 year:2015 day:15 month:10 pages:193-196 extent:4 https://doi.org/10.1016/j.nimb.2015.03.042 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_62 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 44.85 Kardiologie Angiologie VZ AR 361 2015 15 1015 193-196 4 045F 530 |
allfieldsGer |
10.1016/j.nimb.2015.03.042 doi GBV00000000000148A.pica (DE-627)ELV02335013X (ELSEVIER)S0168-583X(15)00242-6 DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 610 VZ 44.85 bkl Famulok, N. verfasserin aut Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry 2015transfer abstract 4 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. Background Elsevier Accelerator Mass Spectrometry Elsevier Ultra sensitive Elsevier Low level Elsevier Faestermann, T. oth Fimiani, L. oth Gómez-Guzmán, J.M. oth Hain, K. oth Korschinek, G. oth Ludwig, P. oth Schönert, S. oth Enthalten in Elsevier Unwala, Darius J. ELSEVIER Editorial Comment 2013 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam [u.a.] (DE-627)ELV011304669 volume:361 year:2015 day:15 month:10 pages:193-196 extent:4 https://doi.org/10.1016/j.nimb.2015.03.042 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_62 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 44.85 Kardiologie Angiologie VZ AR 361 2015 15 1015 193-196 4 045F 530 |
allfieldsSound |
10.1016/j.nimb.2015.03.042 doi GBV00000000000148A.pica (DE-627)ELV02335013X (ELSEVIER)S0168-583X(15)00242-6 DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 610 VZ 44.85 bkl Famulok, N. verfasserin aut Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry 2015transfer abstract 4 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. Background Elsevier Accelerator Mass Spectrometry Elsevier Ultra sensitive Elsevier Low level Elsevier Faestermann, T. oth Fimiani, L. oth Gómez-Guzmán, J.M. oth Hain, K. oth Korschinek, G. oth Ludwig, P. oth Schönert, S. oth Enthalten in Elsevier Unwala, Darius J. ELSEVIER Editorial Comment 2013 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam [u.a.] (DE-627)ELV011304669 volume:361 year:2015 day:15 month:10 pages:193-196 extent:4 https://doi.org/10.1016/j.nimb.2015.03.042 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_21 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_62 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 44.85 Kardiologie Angiologie VZ AR 361 2015 15 1015 193-196 4 045F 530 |
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Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry |
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The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. |
abstractGer |
The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. |
abstract_unstemmed |
The sensitivity of rare event physics experiments like neutrino or direct dark matter detection crucially depends on the background level. A significant background contribution originates from the primordial actinides thorium (Th) and uranium (U) and the progenies of their decay chains. The applicability of ultra-sensitive Accelerator Mass Spectrometry (AMS) for the direct detection of Th and U impurities in three copper samples is evaluated. Although AMS has been proven to reach outstanding sensitivities for long-lived isotopes, this technique has only very rarely been used to detect ultra low concentrations of primordial actinides. Here it is utilized for the first time to detect primordial Th and U in ultra pure copper serving as shielding material in low level detectors. The lowest concentrations achieved were ( 1.5 ± 0.6 ) · 10 - 11 g/g for Th and ( 8 ± 4 ) · 10 - 14 g/g for U which corresponds to ( 59 ± 24 ) and ( 1.0 ± 0.5 ) μBq/kg, respectively. |
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title_short |
Ultrasensitive detection method for primordial nuclides in copper with Accelerator Mass Spectrometry |
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