High efficiency method of fast neutron detection by oxide scintillators for detection systems of fissionable radioactive substances
Comparative measurements and analysis of detection efficiency (DE) of fast neutrons from 239 Pu-Be source have been carried out in a broad energy range En ~ 0.1 ÷ 10 MeV using oxide scintillators BGO, GSO, CWO, ZnWO, ZnSe(Te, O), as well as LiI(Eu). DE of fast neutrons by heavy oxide scintillators w...
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| creator | Ryzhikov, V. D. Grinyov, B. V. Onyshchenko, G. M. Piven, L. A. Lysetska, O. K. Nagornaya, L. L. |
| description | Comparative measurements and analysis of detection efficiency (DE) of fast neutrons from 239 Pu-Be source have been carried out in a broad energy range En ~ 0.1 ÷ 10 MeV using oxide scintillators BGO, GSO, CWO, ZnWO, ZnSe(Te, O), as well as LiI(Eu). DE of fast neutrons by heavy oxide scintillators was found to be very high (~ 40-50 %). The neutron inelastic scattering reaction (n, n'y) is considered as the most probable interaction mechanism of neutrons with nuclei of heavy oxide scintillators. It is concluded that heavy oxide scintillators, which are at the same time efficient gamma-detectors, allow creation of a highly efficient gamma-neutron detector ensuring high detection efficiency of fissionable radioactive substances. |
| doi_str_mv | 10.1109/ANIMMA.2011.6172929 |
| format | Conference Proceeding |
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The neutron inelastic scattering reaction (n, n'y) is considered as the most probable interaction mechanism of neutrons with nuclei of heavy oxide scintillators. It is concluded that heavy oxide scintillators, which are at the same time efficient gamma-detectors, allow creation of a highly efficient gamma-neutron detector ensuring high detection efficiency of fissionable radioactive substances.</description><subject>Atomic measurements</subject><subject>BISMUTH GERMANATES</subject><subject>CADMIUM TUNGSTATES</subject><subject>Detectors</subject><subject>FAST NEUTRONS</subject><subject>FISSIONABLE MATERIALS</subject><subject>GADOLINIUM COMPOUNDS</subject><subject>INELASTIC SCATTERING</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>Lead</subject><subject>LITHIUM IODIDES</subject><subject>Materials</subject><subject>NEUTRON DETECTION</subject><subject>NEUTRON DETECTORS</subject><subject>Neutrons</subject><subject>PHOSPHORS</subject><subject>PLUTONIUM 239</subject><subject>Scattering</subject><subject>SCINTILLATION COUNTERS</subject><subject>SILICATES</subject><subject>Velocity measurement</subject><subject>ZINC SELENIDES</subject><subject>ZINC TUNGSTATES</subject><isbn>9781457709258</isbn><isbn>1457709252</isbn><isbn>9781457709265</isbn><isbn>1457709260</isbn><isbn>1457709279</isbn><isbn>9781457709272</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2011</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVkE1LAzEQhiMiKLW_oJeA59Z87G6SYyl-FFq96HnJx8RGthvZpOKe_eMG24POZeYdnnl5GYRmlCwoJep2-bTebpcLRihdNFQwxdQZmiohaVULQRRr6vN_upaXaJrSOyklCBOSXaHvx_C2w-B9sAF6O-I95F10OHrsdcq4h0MeYo8dZLA5lMmMOH4FBzjZ0OfQdTrHIWEfhz9QGlOGffq1CSmVlTYd4EG7EHVBPsv5waSsewvpGl143SWYnvoEvd7fvawe55vnh_VquZkHSmWe-9pJqQnnhJkKrFREq6bWXNauYcQYMKIiXgojG-6AVb6h2nhHm1oSaj3nE3Rz9I0ph7bEL2l3NvZ9Cd0yRriSihZqdqQCALQfQ9jrYWxPD-Y_zc1x3w</recordid><startdate>201106</startdate><enddate>201106</enddate><creator>Ryzhikov, V. 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L.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>High efficiency method of fast neutron detection by oxide scintillators for detection systems of fissionable radioactive substances</atitle><btitle>2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications</btitle><stitle>ANIMMA</stitle><date>2011-06</date><risdate>2011</risdate><spage>1</spage><epage>7</epage><pages>1-7</pages><isbn>9781457709258</isbn><isbn>1457709252</isbn><eisbn>9781457709265</eisbn><eisbn>1457709260</eisbn><eisbn>1457709279</eisbn><eisbn>9781457709272</eisbn><abstract>Comparative measurements and analysis of detection efficiency (DE) of fast neutrons from 239 Pu-Be source have been carried out in a broad energy range En ~ 0.1 ÷ 10 MeV using oxide scintillators BGO, GSO, CWO, ZnWO, ZnSe(Te, O), as well as LiI(Eu). DE of fast neutrons by heavy oxide scintillators was found to be very high (~ 40-50 %). The neutron inelastic scattering reaction (n, n'y) is considered as the most probable interaction mechanism of neutrons with nuclei of heavy oxide scintillators. It is concluded that heavy oxide scintillators, which are at the same time efficient gamma-detectors, allow creation of a highly efficient gamma-neutron detector ensuring high detection efficiency of fissionable radioactive substances.</abstract><cop>United States</cop><pub>IEEE</pub><doi>10.1109/ANIMMA.2011.6172929</doi><tpages>7</tpages></addata></record> |
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| identifier | ISBN: 9781457709258 |
| ispartof | 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications, 2011, p.1-7 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Atomic measurements BISMUTH GERMANATES CADMIUM TUNGSTATES Detectors FAST NEUTRONS FISSIONABLE MATERIALS GADOLINIUM COMPOUNDS INELASTIC SCATTERING INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Lead LITHIUM IODIDES Materials NEUTRON DETECTION NEUTRON DETECTORS Neutrons PHOSPHORS PLUTONIUM 239 Scattering SCINTILLATION COUNTERS SILICATES Velocity measurement ZINC SELENIDES ZINC TUNGSTATES |
| title | High efficiency method of fast neutron detection by oxide scintillators for detection systems of fissionable radioactive substances |
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