Using Backscattering to Enhance Efficiency in Neutron Detectors
The principle of using strongly scattering materials to recover efficiency in detectors for neutron instruments, via backscattering of unconverted thermal neutrons, is discussed in general. The feasibility of the method is illustrated through Geant4-based simulations involving thermal neutrons impin...
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| Veröffentlicht in: | IEEE transactions on nuclear science 2017-06, Vol.64 (6), p.1562-1573 |
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| container_title | IEEE transactions on nuclear science |
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| creator | Kittelmann, T. Kanaki, K. Klinkby, E. Cai, X. X. Cooper-Jensen, C. P. Hall-Wilton, R. |
| description | The principle of using strongly scattering materials to recover efficiency in detectors for neutron instruments, via backscattering of unconverted thermal neutrons, is discussed in general. The feasibility of the method is illustrated through Geant4-based simulations involving thermal neutrons impinging on a specific setup with a layer of polyethylene placed behind a single-layered boron-10 thin-film gaseous detector. The results show that detection efficiencies can be as much as doubled in the most ideal scenario, but with associated adverse contributions to spatial and timing resolutions of, respectively, centimeters and tens of microseconds. Potential mitigation techniques to contain the impact on resolution are investigated and are found to alleviate the issues to some degree, at a cost of reduced gain in efficiency. |
| doi_str_mv | 10.1109/TNS.2017.2695404 |
| format | Article |
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X. ; Cooper-Jensen, C. P. ; Hall-Wilton, R.</creator><creatorcontrib>Kittelmann, T. ; Kanaki, K. ; Klinkby, E. ; Cai, X. X. ; Cooper-Jensen, C. P. ; Hall-Wilton, R.</creatorcontrib><description>The principle of using strongly scattering materials to recover efficiency in detectors for neutron instruments, via backscattering of unconverted thermal neutrons, is discussed in general. The feasibility of the method is illustrated through Geant4-based simulations involving thermal neutrons impinging on a specific setup with a layer of polyethylene placed behind a single-layered boron-10 thin-film gaseous detector. The results show that detection efficiencies can be as much as doubled in the most ideal scenario, but with associated adverse contributions to spatial and timing resolutions of, respectively, centimeters and tens of microseconds. Potential mitigation techniques to contain the impact on resolution are investigated and are found to alleviate the issues to some degree, at a cost of reduced gain in efficiency.</description><identifier>ISSN: 0018-9499</identifier><identifier>ISSN: 1558-1578</identifier><identifier>EISSN: 1558-1578</identifier><identifier>DOI: 10.1109/TNS.2017.2695404</identifier><identifier>CODEN: IETNAE</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Backscattering ; Boron ; boron-10 ; Detectors ; Efficiency ; Europe ; Feasibility studies ; geant4 ; Instruments ; Mitigation ; Monte Carlo simulations ; Neutron counters ; neutron detectors ; Neutrons ; Polyethylene ; polyethylene (PE) ; Polyethylenes ; Scattering ; Substrates ; Thermal neutrons ; Thin films</subject><ispartof>IEEE transactions on nuclear science, 2017-06, Vol.64 (6), p.1562-1573</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7903709$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>230,314,551,777,781,793,882,27905,27906,54739</link.rule.ids><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-31362$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-330746$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Kittelmann, T.</creatorcontrib><creatorcontrib>Kanaki, K.</creatorcontrib><creatorcontrib>Klinkby, E.</creatorcontrib><creatorcontrib>Cai, X. X.</creatorcontrib><creatorcontrib>Cooper-Jensen, C. P.</creatorcontrib><creatorcontrib>Hall-Wilton, R.</creatorcontrib><title>Using Backscattering to Enhance Efficiency in Neutron Detectors</title><title>IEEE transactions on nuclear science</title><addtitle>TNS</addtitle><description>The principle of using strongly scattering materials to recover efficiency in detectors for neutron instruments, via backscattering of unconverted thermal neutrons, is discussed in general. The feasibility of the method is illustrated through Geant4-based simulations involving thermal neutrons impinging on a specific setup with a layer of polyethylene placed behind a single-layered boron-10 thin-film gaseous detector. The results show that detection efficiencies can be as much as doubled in the most ideal scenario, but with associated adverse contributions to spatial and timing resolutions of, respectively, centimeters and tens of microseconds. Potential mitigation techniques to contain the impact on resolution are investigated and are found to alleviate the issues to some degree, at a cost of reduced gain in efficiency.</description><subject>Backscattering</subject><subject>Boron</subject><subject>boron-10</subject><subject>Detectors</subject><subject>Efficiency</subject><subject>Europe</subject><subject>Feasibility studies</subject><subject>geant4</subject><subject>Instruments</subject><subject>Mitigation</subject><subject>Monte Carlo simulations</subject><subject>Neutron counters</subject><subject>neutron detectors</subject><subject>Neutrons</subject><subject>Polyethylene</subject><subject>polyethylene (PE)</subject><subject>Polyethylenes</subject><subject>Scattering</subject><subject>Substrates</subject><subject>Thermal neutrons</subject><subject>Thin films</subject><issn>0018-9499</issn><issn>1558-1578</issn><issn>1558-1578</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>D8T</sourceid><recordid>eNqFj01LAzEQhoMoWKt3wcuCV7dONt8nqW39gFIPVq9hN83WVJutSZbSf--WildPwwvPPDMvQpcYBhiDup3PXgcFYDEouGIU6BHqYcZkjpmQx6gHgGWuqFKn6CzGVRcpA9ZDd2_R-WV2X5rPaMqUbNjH1GQT_1F6Y7NJXTvjrDe7zPlsZtsUGp-NbbImNSGeo5O6_Ir24nf20fxhMh895dOXx-fRcJq7QsiUi-4aFgIkNd23tq4KqBRXakGkBAy0IlhIZpTkNeNgFtTw2i6kUoayboX00c1BG7d201Z6E9y6DDvdlE6P3ftQN2Gp21YTAoLyDs__x9eu9ZpgwouOvz7wm9B8tzYmvWra4LtCGivMAZOC7a1XB8pZa_-cQgERoMgPhUhyNw</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Kittelmann, T.</creator><creator>Kanaki, K.</creator><creator>Klinkby, E.</creator><creator>Cai, X. 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P. ; Hall-Wilton, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i278t-7450177084c110efb20b9699d3880104b31785c986f560cd4c6fed899c454c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Backscattering</topic><topic>Boron</topic><topic>boron-10</topic><topic>Detectors</topic><topic>Efficiency</topic><topic>Europe</topic><topic>Feasibility studies</topic><topic>geant4</topic><topic>Instruments</topic><topic>Mitigation</topic><topic>Monte Carlo simulations</topic><topic>Neutron counters</topic><topic>neutron detectors</topic><topic>Neutrons</topic><topic>Polyethylene</topic><topic>polyethylene (PE)</topic><topic>Polyethylenes</topic><topic>Scattering</topic><topic>Substrates</topic><topic>Thermal neutrons</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kittelmann, T.</creatorcontrib><creatorcontrib>Kanaki, K.</creatorcontrib><creatorcontrib>Klinkby, E.</creatorcontrib><creatorcontrib>Cai, X. 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X.</au><au>Cooper-Jensen, C. P.</au><au>Hall-Wilton, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Using Backscattering to Enhance Efficiency in Neutron Detectors</atitle><jtitle>IEEE transactions on nuclear science</jtitle><stitle>TNS</stitle><date>2017-06-01</date><risdate>2017</risdate><volume>64</volume><issue>6</issue><spage>1562</spage><epage>1573</epage><pages>1562-1573</pages><issn>0018-9499</issn><issn>1558-1578</issn><eissn>1558-1578</eissn><coden>IETNAE</coden><abstract>The principle of using strongly scattering materials to recover efficiency in detectors for neutron instruments, via backscattering of unconverted thermal neutrons, is discussed in general. The feasibility of the method is illustrated through Geant4-based simulations involving thermal neutrons impinging on a specific setup with a layer of polyethylene placed behind a single-layered boron-10 thin-film gaseous detector. 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| subjects | Backscattering Boron boron-10 Detectors Efficiency Europe Feasibility studies geant4 Instruments Mitigation Monte Carlo simulations Neutron counters neutron detectors Neutrons Polyethylene polyethylene (PE) Polyethylenes Scattering Substrates Thermal neutrons Thin films |
| title | Using Backscattering to Enhance Efficiency in Neutron Detectors |
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