Characterization of a liquid scintillator based on linear alkyl benzene for neutron detection
A liquid scintillator (LS) based on linear alkyl benzene (LAB) solvent has been characterized using multiple radiation sources. The results confirm that boron-loaded LAB is suitable for neutron detection in a gamma ray environment. To study indirectly the LAB pulse shape discrimination (PSD) capabil...
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| Veröffentlicht in: | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2013-02, Vol.701, p.221-224 |
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| container_title | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment |
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| creator | Bentoumi, G. Dai, X. Fritzsche, H. Jonkmans, G. Li, L. Marleau, G. Sur, B. |
| description | A liquid scintillator (LS) based on linear alkyl benzene (LAB) solvent has been characterized using multiple radiation sources. The results confirm that boron-loaded LAB is suitable for neutron detection in a gamma ray environment. To study indirectly the LAB pulse shape discrimination (PSD) capability between neutrons and gamma rays, a dissolved 212Pb source emitting alpha and beta particles was used to emulate the conditions in a mixed radiation field for detecting neutrons in the presence of a high gamma ray background. The quenching factor depends on the alpha energy and increases from 10 to 25 as the alpha energy decreases from 10 to 1MeV. 10B loaded LAB-based LS has been tested in a neutron beam of energy which is equal to 14.56meV. The observed peak at 60keVee is attributed to the absorption of neutrons. Our results show that a boron-loaded LAB-based scintillator is a sensitive medium for neutron detection in a relatively large background of gamma rays. A neutron detector could be achieved with a figure of merit (FOM) of 1.75. |
| doi_str_mv | 10.1016/j.nima.2012.10.127 |
| format | Article |
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The results confirm that boron-loaded LAB is suitable for neutron detection in a gamma ray environment. To study indirectly the LAB pulse shape discrimination (PSD) capability between neutrons and gamma rays, a dissolved 212Pb source emitting alpha and beta particles was used to emulate the conditions in a mixed radiation field for detecting neutrons in the presence of a high gamma ray background. The quenching factor depends on the alpha energy and increases from 10 to 25 as the alpha energy decreases from 10 to 1MeV. 10B loaded LAB-based LS has been tested in a neutron beam of energy which is equal to 14.56meV. The observed peak at 60keVee is attributed to the absorption of neutrons. Our results show that a boron-loaded LAB-based scintillator is a sensitive medium for neutron detection in a relatively large background of gamma rays. A neutron detector could be achieved with a figure of merit (FOM) of 1.75.</description><identifier>ISSN: 0168-9002</identifier><identifier>EISSN: 1872-9576</identifier><identifier>DOI: 10.1016/j.nima.2012.10.127</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Background radiation ; Benzene ; Beta particles ; Boron ; Detectors ; Gamma rays ; Linear alkyl benzene ; Liquids ; Neutron ; Pulse shape discrimination (PSD) ; Radiation sources ; Scintillation ; Spectrometers</subject><ispartof>Nuclear instruments & methods in physics research. 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Our results show that a boron-loaded LAB-based scintillator is a sensitive medium for neutron detection in a relatively large background of gamma rays. A neutron detector could be achieved with a figure of merit (FOM) of 1.75.</description><subject>Background radiation</subject><subject>Benzene</subject><subject>Beta particles</subject><subject>Boron</subject><subject>Detectors</subject><subject>Gamma rays</subject><subject>Linear alkyl benzene</subject><subject>Liquids</subject><subject>Neutron</subject><subject>Pulse shape discrimination (PSD)</subject><subject>Radiation sources</subject><subject>Scintillation</subject><subject>Spectrometers</subject><issn>0168-9002</issn><issn>1872-9576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKt_wFOOXnZNst1NAl6k-AUFL3qUkI9ZTN1m22RXaH-9WevZuQwMzzvMPAhdU1JSQpvbdRn8RpeMUFZOM8ZP0IwKzgpZ8-YUzTIkCkkIO0cXKa1JLsnFDH0sP3XUdoDoD3rwfcB9izXu_G70Difrw-C7Tg99xEYncDgTnQ-gI9bd177DBsIBAuA2EwHGIWbAwQB2WnaJzlrdJbj663P0_vjwtnwuVq9PL8v7VWErKYeCV2TRGGdaYTjVTDNJqOFM1FLICuwCpLMVtLUw2rFFY0FW3DJrSFVT2TSumqOb495t7HcjpEFtfLKQDw_Qj0nRhtOGCU5IRtkRtbFPKUKrtjGri3tFiZpcqrWaXKrJ5e-M8Ry6O4YgP_HtIapsBoIF52P-VLne_xf_AV46fos</recordid><startdate>20130211</startdate><enddate>20130211</enddate><creator>Bentoumi, G.</creator><creator>Dai, X.</creator><creator>Fritzsche, H.</creator><creator>Jonkmans, G.</creator><creator>Li, L.</creator><creator>Marleau, G.</creator><creator>Sur, B.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20130211</creationdate><title>Characterization of a liquid scintillator based on linear alkyl benzene for neutron detection</title><author>Bentoumi, G. ; Dai, X. ; Fritzsche, H. ; Jonkmans, G. ; Li, L. ; Marleau, G. ; Sur, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-73046bdbf8b71a2a2901b72859893ec4e9dc3ef58bad246ce937c2cb0351966d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Background radiation</topic><topic>Benzene</topic><topic>Beta particles</topic><topic>Boron</topic><topic>Detectors</topic><topic>Gamma rays</topic><topic>Linear alkyl benzene</topic><topic>Liquids</topic><topic>Neutron</topic><topic>Pulse shape discrimination (PSD)</topic><topic>Radiation sources</topic><topic>Scintillation</topic><topic>Spectrometers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bentoumi, G.</creatorcontrib><creatorcontrib>Dai, X.</creatorcontrib><creatorcontrib>Fritzsche, H.</creatorcontrib><creatorcontrib>Jonkmans, G.</creatorcontrib><creatorcontrib>Li, L.</creatorcontrib><creatorcontrib>Marleau, G.</creatorcontrib><creatorcontrib>Sur, B.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bentoumi, G.</au><au>Dai, X.</au><au>Fritzsche, H.</au><au>Jonkmans, G.</au><au>Li, L.</au><au>Marleau, G.</au><au>Sur, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of a liquid scintillator based on linear alkyl benzene for neutron detection</atitle><jtitle>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment</jtitle><date>2013-02-11</date><risdate>2013</risdate><volume>701</volume><spage>221</spage><epage>224</epage><pages>221-224</pages><issn>0168-9002</issn><eissn>1872-9576</eissn><abstract>A liquid scintillator (LS) based on linear alkyl benzene (LAB) solvent has been characterized using multiple radiation sources. The results confirm that boron-loaded LAB is suitable for neutron detection in a gamma ray environment. To study indirectly the LAB pulse shape discrimination (PSD) capability between neutrons and gamma rays, a dissolved 212Pb source emitting alpha and beta particles was used to emulate the conditions in a mixed radiation field for detecting neutrons in the presence of a high gamma ray background. The quenching factor depends on the alpha energy and increases from 10 to 25 as the alpha energy decreases from 10 to 1MeV. 10B loaded LAB-based LS has been tested in a neutron beam of energy which is equal to 14.56meV. The observed peak at 60keVee is attributed to the absorption of neutrons. Our results show that a boron-loaded LAB-based scintillator is a sensitive medium for neutron detection in a relatively large background of gamma rays. A neutron detector could be achieved with a figure of merit (FOM) of 1.75.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.nima.2012.10.127</doi><tpages>4</tpages></addata></record> |
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| issn | 0168-9002 1872-9576 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Background radiation Benzene Beta particles Boron Detectors Gamma rays Linear alkyl benzene Liquids Neutron Pulse shape discrimination (PSD) Radiation sources Scintillation Spectrometers |
| title | Characterization of a liquid scintillator based on linear alkyl benzene for neutron detection |
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