EVALUATION OF NEUTRON SCATTERING CORRECTION USING THE SEMI-EMPIRICAL METHOD AND THE SHADOW-CONE METHOD FOR THE NEUTRON FIELD OF THE KOREA ATOMIC ENERGY RESEARCH INSTITUTE
When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the s...
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| Veröffentlicht in: | Radiation protection dosimetry 2018-08, Vol.180 (1-4), p.46-50 |
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| creator | Lee, Seung Kyu Kim, Sang In Lee, Jungil Chang, Insu Kim, Jang-Lyul Kim, Hyoungtaek Kim, Min Chae Kim, Bong-Hwan |
| description | When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, semi-empirical method, generalised fit method and reduced-fitting method. In this study, neutron scattering effects are evaluated and compared using the shadow-cone and semi-empirical methods for the neutron field of the Korea Atomic Energy Research Institute (KAERI). The neutron field is constructed using a 252Cf neutron source positioned in the centre of the neutron calibration room. To compare the neutron scattering effects using the two correction methods, measurements and simulations are performed using respectively KAERI's Bonner sphere spectrometer (BBS) and Monte Carlo N-Particle code at twenty different positions. Neutron spectra are measured by a europium-activated lithium iodide [6LiI(Eu)] scintillator in combination with the BBS. The calibration factors obtained using each methods show good agreement within 1.1%. |
| doi_str_mv | 10.1093/rpd/ncx219 |
| format | Article |
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ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, semi-empirical method, generalised fit method and reduced-fitting method. In this study, neutron scattering effects are evaluated and compared using the shadow-cone and semi-empirical methods for the neutron field of the Korea Atomic Energy Research Institute (KAERI). The neutron field is constructed using a 252Cf neutron source positioned in the centre of the neutron calibration room. To compare the neutron scattering effects using the two correction methods, measurements and simulations are performed using respectively KAERI's Bonner sphere spectrometer (BBS) and Monte Carlo N-Particle code at twenty different positions. Neutron spectra are measured by a europium-activated lithium iodide [6LiI(Eu)] scintillator in combination with the BBS. The calibration factors obtained using each methods show good agreement within 1.1%.</description><identifier>ISSN: 0144-8420</identifier><identifier>EISSN: 1742-3406</identifier><identifier>DOI: 10.1093/rpd/ncx219</identifier><identifier>PMID: 29053840</identifier><language>eng</language><publisher>England</publisher><subject>Calibration ; Californium - analysis ; Californium - standards ; Computer Simulation ; Europium - chemistry ; Lithium Compounds - chemistry ; Monte Carlo Method ; Neutrons ; Radiation Dosage ; Radiation Monitoring - standards ; Republic of Korea ; Scintillation Counting - instrumentation ; Scintillation Counting - methods</subject><ispartof>Radiation protection dosimetry, 2018-08, Vol.180 (1-4), p.46-50</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c217t-af01cc78d37de4071c9a543d05a83909f59ee9655dedd4f879addea0b5e2f5d93</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29053840$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, Seung Kyu</creatorcontrib><creatorcontrib>Kim, Sang In</creatorcontrib><creatorcontrib>Lee, Jungil</creatorcontrib><creatorcontrib>Chang, Insu</creatorcontrib><creatorcontrib>Kim, Jang-Lyul</creatorcontrib><creatorcontrib>Kim, Hyoungtaek</creatorcontrib><creatorcontrib>Kim, Min Chae</creatorcontrib><creatorcontrib>Kim, Bong-Hwan</creatorcontrib><title>EVALUATION OF NEUTRON SCATTERING CORRECTION USING THE SEMI-EMPIRICAL METHOD AND THE SHADOW-CONE METHOD FOR THE NEUTRON FIELD OF THE KOREA ATOMIC ENERGY RESEARCH INSTITUTE</title><title>Radiation protection dosimetry</title><addtitle>Radiat Prot Dosimetry</addtitle><description>When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, semi-empirical method, generalised fit method and reduced-fitting method. In this study, neutron scattering effects are evaluated and compared using the shadow-cone and semi-empirical methods for the neutron field of the Korea Atomic Energy Research Institute (KAERI). The neutron field is constructed using a 252Cf neutron source positioned in the centre of the neutron calibration room. To compare the neutron scattering effects using the two correction methods, measurements and simulations are performed using respectively KAERI's Bonner sphere spectrometer (BBS) and Monte Carlo N-Particle code at twenty different positions. Neutron spectra are measured by a europium-activated lithium iodide [6LiI(Eu)] scintillator in combination with the BBS. The calibration factors obtained using each methods show good agreement within 1.1%.</description><subject>Calibration</subject><subject>Californium - analysis</subject><subject>Californium - standards</subject><subject>Computer Simulation</subject><subject>Europium - chemistry</subject><subject>Lithium Compounds - chemistry</subject><subject>Monte Carlo Method</subject><subject>Neutrons</subject><subject>Radiation Dosage</subject><subject>Radiation Monitoring - standards</subject><subject>Republic of Korea</subject><subject>Scintillation Counting - instrumentation</subject><subject>Scintillation Counting - methods</subject><issn>0144-8420</issn><issn>1742-3406</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kdFq2zAUhsXoWNNuN32Aocsy8CrZUmRdCuckFkusIcsbvTKuJUNH0mR2A9sr9SlnN82uzuH8H_85nB-hG0q-UiKTu_7g757aPzGV79CMChZHCSPzCzQjlLEoZTG5RFfD8IuQWEjOPqDLWBKepIzM0Av8UOtKOW0KbJa4gMrZsS0z5RxYXaxwZqyF7BWoymngcsAlbHQEm-_a6kyt8QZcbhZYFYuTmquF-RllpoCztDT2VTovWGpYL6aN0_CbsaCwcmajMwwF2NU9tlCCslmOdVE67SoHH9H7rtkO4dNbvUbVElyWR2uzmq6I2piK56jpCG1bkfpE-MCIoK1sOEs84U2aSCI7LkOQc8598J51qZCN96EhDzzEHfcyuUa3J99Dv_99DMNzvXsc2rDdNk9hfxxqOv6QCEHn8xH9ckLbfj8MfejqQ_-4a_q_NSX1lE09ZlOfshnhz2--x4dd8P_RcxjJP3xCfoc</recordid><startdate>20180801</startdate><enddate>20180801</enddate><creator>Lee, Seung Kyu</creator><creator>Kim, Sang In</creator><creator>Lee, Jungil</creator><creator>Chang, Insu</creator><creator>Kim, Jang-Lyul</creator><creator>Kim, Hyoungtaek</creator><creator>Kim, Min Chae</creator><creator>Kim, Bong-Hwan</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20180801</creationdate><title>EVALUATION OF NEUTRON SCATTERING CORRECTION USING THE SEMI-EMPIRICAL METHOD AND THE SHADOW-CONE METHOD FOR THE NEUTRON FIELD OF THE KOREA ATOMIC ENERGY RESEARCH INSTITUTE</title><author>Lee, Seung Kyu ; Kim, Sang In ; Lee, Jungil ; Chang, Insu ; Kim, Jang-Lyul ; Kim, Hyoungtaek ; Kim, Min Chae ; Kim, Bong-Hwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c217t-af01cc78d37de4071c9a543d05a83909f59ee9655dedd4f879addea0b5e2f5d93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Calibration</topic><topic>Californium - analysis</topic><topic>Californium - standards</topic><topic>Computer Simulation</topic><topic>Europium - chemistry</topic><topic>Lithium Compounds - chemistry</topic><topic>Monte Carlo Method</topic><topic>Neutrons</topic><topic>Radiation Dosage</topic><topic>Radiation Monitoring - standards</topic><topic>Republic of Korea</topic><topic>Scintillation Counting - instrumentation</topic><topic>Scintillation Counting - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Seung Kyu</creatorcontrib><creatorcontrib>Kim, Sang In</creatorcontrib><creatorcontrib>Lee, Jungil</creatorcontrib><creatorcontrib>Chang, Insu</creatorcontrib><creatorcontrib>Kim, Jang-Lyul</creatorcontrib><creatorcontrib>Kim, Hyoungtaek</creatorcontrib><creatorcontrib>Kim, Min Chae</creatorcontrib><creatorcontrib>Kim, Bong-Hwan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Radiation protection dosimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Seung Kyu</au><au>Kim, Sang In</au><au>Lee, Jungil</au><au>Chang, Insu</au><au>Kim, Jang-Lyul</au><au>Kim, Hyoungtaek</au><au>Kim, Min Chae</au><au>Kim, Bong-Hwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>EVALUATION OF NEUTRON SCATTERING CORRECTION USING THE SEMI-EMPIRICAL METHOD AND THE SHADOW-CONE METHOD FOR THE NEUTRON FIELD OF THE KOREA ATOMIC ENERGY RESEARCH INSTITUTE</atitle><jtitle>Radiation protection dosimetry</jtitle><addtitle>Radiat Prot Dosimetry</addtitle><date>2018-08-01</date><risdate>2018</risdate><volume>180</volume><issue>1-4</issue><spage>46</spage><epage>50</epage><pages>46-50</pages><issn>0144-8420</issn><eissn>1742-3406</eissn><abstract>When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, semi-empirical method, generalised fit method and reduced-fitting method. In this study, neutron scattering effects are evaluated and compared using the shadow-cone and semi-empirical methods for the neutron field of the Korea Atomic Energy Research Institute (KAERI). The neutron field is constructed using a 252Cf neutron source positioned in the centre of the neutron calibration room. To compare the neutron scattering effects using the two correction methods, measurements and simulations are performed using respectively KAERI's Bonner sphere spectrometer (BBS) and Monte Carlo N-Particle code at twenty different positions. Neutron spectra are measured by a europium-activated lithium iodide [6LiI(Eu)] scintillator in combination with the BBS. The calibration factors obtained using each methods show good agreement within 1.1%.</abstract><cop>England</cop><pmid>29053840</pmid><doi>10.1093/rpd/ncx219</doi><tpages>5</tpages></addata></record> |
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| ispartof | Radiation protection dosimetry, 2018-08, Vol.180 (1-4), p.46-50 |
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| source | MEDLINE; Oxford University Press Journals Current; Alma/SFX Local Collection |
| subjects | Calibration Californium - analysis Californium - standards Computer Simulation Europium - chemistry Lithium Compounds - chemistry Monte Carlo Method Neutrons Radiation Dosage Radiation Monitoring - standards Republic of Korea Scintillation Counting - instrumentation Scintillation Counting - methods |
| title | EVALUATION OF NEUTRON SCATTERING CORRECTION USING THE SEMI-EMPIRICAL METHOD AND THE SHADOW-CONE METHOD FOR THE NEUTRON FIELD OF THE KOREA ATOMIC ENERGY RESEARCH INSTITUTE |
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