Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials

A decommissioning of nuclear fuel cycle facilities is inseparable from the problems of radioactive waste disposal. One of these problems is the categorization of a waste according to the content of beta- and alpha-emitters. Beta-emitters can be identified by existing technologies; however, the troub...
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Autor*in:	Batyaev V.F. [verfasserIn] Karetnikov M.D. [verfasserIn] Sklyarov S.V. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	fissile materials neutron generator radioactive wastes neutron detector

Übergeordnetes Werk:	In: EPJ Web of Conferences - EDP Sciences, 2010, 225, p 06011(2020)
Übergeordnetes Werk:	volume:225, p 06011 ; year:2020

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1051/epjconf/202022506011

Katalog-ID:	DOAJ057326185

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spelling	10.1051/epjconf/202022506011 doi (DE-627)DOAJ057326185 (DE-599)DOAJ4a3e71cd1782492b9d594198c6726af2 DE-627 ger DE-627 rakwb eng QC1-999 Batyaev V.F. verfasserin aut Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A decommissioning of nuclear fuel cycle facilities is inseparable from the problems of radioactive waste disposal. One of these problems is the categorization of a waste according to the content of beta- and alpha-emitters. Beta-emitters can be identified by existing technologies; however, the trouble arises when detecting alpha-emitting elements, primarily the long-lived members of the actinium chain with the specific activity of kBq/kg when they are spread inside a structural material. The report considers an application of an active neutron method-a differential die-away technology for reliable control of small quantities of FM. The essence of this method consists in sounding the interrogated item by pulsed thermal neutrons and recording the induced fission neutrons. The ratio of the number of fission neutrons to the number of source neutrons gives the normalized number of fission neutrons that is linked to the FM mass in the interrogated object. The work presents the scheme and principle of operation of an experimental device, as well as the results of measurement of concrete structures that contain internal traces of fissile materials. Analysis of the results shows that the proposed method allows the detection of ~ 6 mg of fissile material per kg of concrete with possible localization (cartogram) of the contaminated area. fissile materials neutron generator radioactive wastes neutron detector Physics Karetnikov M.D. verfasserin aut Sklyarov S.V. verfasserin aut In EPJ Web of Conferences EDP Sciences, 2010 225, p 06011(2020) (DE-627)647306611 (DE-600)2595425-8 2100014X nnns volume:225, p 06011 year:2020 https://doi.org/10.1051/epjconf/202022506011 kostenfrei https://doaj.org/article/4a3e71cd1782492b9d594198c6726af2 kostenfrei https://www.epj-conferences.org/articles/epjconf/pdf/2020/01/epjconf_animma2019_06011.pdf kostenfrei https://doaj.org/toc/2100-014X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 225, p 06011 2020
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author	Batyaev V.F.
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topic_title	QC1-999 Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials fissile materials neutron generator radioactive wastes neutron detector
topic	misc QC1-999 misc fissile materials misc neutron generator misc radioactive wastes misc neutron detector misc Physics
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title	Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials
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title_sort	active neutron monitoring of nuclear fuel cycle fissile materials
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title_auth	Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials
abstract	A decommissioning of nuclear fuel cycle facilities is inseparable from the problems of radioactive waste disposal. One of these problems is the categorization of a waste according to the content of beta- and alpha-emitters. Beta-emitters can be identified by existing technologies; however, the trouble arises when detecting alpha-emitting elements, primarily the long-lived members of the actinium chain with the specific activity of kBq/kg when they are spread inside a structural material. The report considers an application of an active neutron method-a differential die-away technology for reliable control of small quantities of FM. The essence of this method consists in sounding the interrogated item by pulsed thermal neutrons and recording the induced fission neutrons. The ratio of the number of fission neutrons to the number of source neutrons gives the normalized number of fission neutrons that is linked to the FM mass in the interrogated object. The work presents the scheme and principle of operation of an experimental device, as well as the results of measurement of concrete structures that contain internal traces of fissile materials. Analysis of the results shows that the proposed method allows the detection of ~ 6 mg of fissile material per kg of concrete with possible localization (cartogram) of the contaminated area.
abstractGer	A decommissioning of nuclear fuel cycle facilities is inseparable from the problems of radioactive waste disposal. One of these problems is the categorization of a waste according to the content of beta- and alpha-emitters. Beta-emitters can be identified by existing technologies; however, the trouble arises when detecting alpha-emitting elements, primarily the long-lived members of the actinium chain with the specific activity of kBq/kg when they are spread inside a structural material. The report considers an application of an active neutron method-a differential die-away technology for reliable control of small quantities of FM. The essence of this method consists in sounding the interrogated item by pulsed thermal neutrons and recording the induced fission neutrons. The ratio of the number of fission neutrons to the number of source neutrons gives the normalized number of fission neutrons that is linked to the FM mass in the interrogated object. The work presents the scheme and principle of operation of an experimental device, as well as the results of measurement of concrete structures that contain internal traces of fissile materials. Analysis of the results shows that the proposed method allows the detection of ~ 6 mg of fissile material per kg of concrete with possible localization (cartogram) of the contaminated area.
abstract_unstemmed	A decommissioning of nuclear fuel cycle facilities is inseparable from the problems of radioactive waste disposal. One of these problems is the categorization of a waste according to the content of beta- and alpha-emitters. Beta-emitters can be identified by existing technologies; however, the trouble arises when detecting alpha-emitting elements, primarily the long-lived members of the actinium chain with the specific activity of kBq/kg when they are spread inside a structural material. The report considers an application of an active neutron method-a differential die-away technology for reliable control of small quantities of FM. The essence of this method consists in sounding the interrogated item by pulsed thermal neutrons and recording the induced fission neutrons. The ratio of the number of fission neutrons to the number of source neutrons gives the normalized number of fission neutrons that is linked to the FM mass in the interrogated object. The work presents the scheme and principle of operation of an experimental device, as well as the results of measurement of concrete structures that contain internal traces of fissile materials. Analysis of the results shows that the proposed method allows the detection of ~ 6 mg of fissile material per kg of concrete with possible localization (cartogram) of the contaminated area.
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title_short	Active Neutron Monitoring of Nuclear Fuel Cycle Fissile Materials
url	https://doi.org/10.1051/epjconf/202022506011 https://doaj.org/article/4a3e71cd1782492b9d594198c6726af2 https://www.epj-conferences.org/articles/epjconf/pdf/2020/01/epjconf_animma2019_06011.pdf https://doaj.org/toc/2100-014X
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