Study of an unfolding algorithm for D-T neutron energy spectra measurement using a recoil proton method
A proton recoil method for measuring D-T neutron energy spectra using polyethylene film and a Si（Au）surface barrier detector is presented. An iteration algorithm for unfolding the recoil proton energy spectrum to the neutron energy spectrum is investigated. The response matrices R of the polyethylen...
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| Veröffentlicht in: | Chinese physics C 2015-07, Vol.39 (7), p.59-63 |
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| container_title | Chinese physics C |
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| creator | 王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄 |
| description | A proton recoil method for measuring D-T neutron energy spectra using polyethylene film and a Si（Au）surface barrier detector is presented. An iteration algorithm for unfolding the recoil proton energy spectrum to the neutron energy spectrum is investigated. The response matrices R of the polyethylene film at angles of 0o and45o were obtained by simulating the recoil proton energy spectra from mono-energetic neutrons using the MCNPX code. With an assumed D-T neutron spectrum, the recoil proton spectra from the polyethylene film at angles of 0oand 45owere also simulated using the MCNPX code. Based on the response matrices R and the simulated recoil proton spectra at 0oand 45o, the respective unfolded neutron spectra were obtained using the iteration algorithm,and compared with the assumed neutron spectrum. The results show that the iteration algorithm method can be applied to unfold the recoil proton energy spectrum to the neutron energy spectrum for D-T neutron energy spectra measurement using the recoil proton method. |
| doi_str_mv | 10.1088/1674-1137/39/7/076201 |
| format | Article |
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An iteration algorithm for unfolding the recoil proton energy spectrum to the neutron energy spectrum is investigated. The response matrices R of the polyethylene film at angles of 0o and45o were obtained by simulating the recoil proton energy spectra from mono-energetic neutrons using the MCNPX code. With an assumed D-T neutron spectrum, the recoil proton spectra from the polyethylene film at angles of 0oand 45owere also simulated using the MCNPX code. Based on the response matrices R and the simulated recoil proton spectra at 0oand 45o, the respective unfolded neutron spectra were obtained using the iteration algorithm,and compared with the assumed neutron spectrum. The results show that the iteration algorithm method can be applied to unfold the recoil proton energy spectrum to the neutron energy spectrum for D-T neutron energy spectra measurement using the recoil proton method.</description><identifier>ISSN: 1674-1137</identifier><identifier>EISSN: 0254-3052</identifier><identifier>DOI: 10.1088/1674-1137/39/7/076201</identifier><language>eng</language><subject>Algorithms ; Computer simulation ; D-T ; Energy measurement ; Energy spectra ; Energy use ; Polyethylenes ; Recoil protons ; Spectra ; 中子能谱测量 ; 反冲质子 ; 响应矩阵 ; 聚乙烯薄膜 ; 谱展开 ; 迭代算法 ; 面垒探测器</subject><ispartof>Chinese physics C, 2015-07, Vol.39 (7), p.59-63</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-baefe908bd5e9ec86e7fe4fecff87c05cfa071ece739593ab737125bac910d363</citedby><cites>FETCH-LOGICAL-c313t-baefe908bd5e9ec86e7fe4fecff87c05cfa071ece739593ab737125bac910d363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/92043A/92043A.jpg</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids></links><search><creatorcontrib>王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄</creatorcontrib><title>Study of an unfolding algorithm for D-T neutron energy spectra measurement using a recoil proton method</title><title>Chinese physics C</title><addtitle>Chinese Physica C</addtitle><description>A proton recoil method for measuring D-T neutron energy spectra using polyethylene film and a Si（Au）surface barrier detector is presented. An iteration algorithm for unfolding the recoil proton energy spectrum to the neutron energy spectrum is investigated. The response matrices R of the polyethylene film at angles of 0o and45o were obtained by simulating the recoil proton energy spectra from mono-energetic neutrons using the MCNPX code. With an assumed D-T neutron spectrum, the recoil proton spectra from the polyethylene film at angles of 0oand 45owere also simulated using the MCNPX code. Based on the response matrices R and the simulated recoil proton spectra at 0oand 45o, the respective unfolded neutron spectra were obtained using the iteration algorithm,and compared with the assumed neutron spectrum. The results show that the iteration algorithm method can be applied to unfold the recoil proton energy spectrum to the neutron energy spectrum for D-T neutron energy spectra measurement using the recoil proton method.</description><subject>Algorithms</subject><subject>Computer simulation</subject><subject>D-T</subject><subject>Energy measurement</subject><subject>Energy spectra</subject><subject>Energy use</subject><subject>Polyethylenes</subject><subject>Recoil protons</subject><subject>Spectra</subject><subject>中子能谱测量</subject><subject>反冲质子</subject><subject>响应矩阵</subject><subject>聚乙烯薄膜</subject><subject>谱展开</subject><subject>迭代算法</subject><subject>面垒探测器</subject><issn>1674-1137</issn><issn>0254-3052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9kD1PwzAQQC0EEqXwE5AsJpYQO47jeETlU6rEQJkt1zmnQYnd2s7Qf09Kq063vHenewjdU_JESV3ntBJlRikTOZO5yImoCkIv0IwUvMwY4cUlmp2Za3QT4y8hVTmpM9R-p7HZY2-xdnh01vdN51qs-9aHLm0GbH3AL9kKOxhT8A6Dg9DucdyCSUHjAXQcAwzgEh7jv4oDGN_1eBt8moQB0sY3t-jK6j7C3WnO0c_b62rxkS2_3j8Xz8vMMMpSttZgQZJ63XCQYOoKhIXSgrG2FoZwYzURFAwIJrlkei2YoAVfayMpaVjF5ujxuHe6vhshJjV00UDfawd-jIoKyQpJJnpC-RE1wccYwKpt6AYd9ooSdQirDtHUIZpiUgl1DDt5Dydv4127m34-i1XFKSeMl-wPQjN5ag</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150701</creationdate><title>Study of an unfolding algorithm for D-T neutron energy spectra measurement using a recoil proton method</title><author>王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-baefe908bd5e9ec86e7fe4fecff87c05cfa071ece739593ab737125bac910d363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Algorithms</topic><topic>Computer simulation</topic><topic>D-T</topic><topic>Energy measurement</topic><topic>Energy spectra</topic><topic>Energy use</topic><topic>Polyethylenes</topic><topic>Recoil protons</topic><topic>Spectra</topic><topic>中子能谱测量</topic><topic>反冲质子</topic><topic>响应矩阵</topic><topic>聚乙烯薄膜</topic><topic>谱展开</topic><topic>迭代算法</topic><topic>面垒探测器</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><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>Chinese physics C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>王洁 卢小龙 严岩 韦峥 王俊润 冉建玲 黄智武 兰长林 姚泽恩 沈飞 梁天骄</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of an unfolding algorithm for D-T neutron energy spectra measurement using a recoil proton method</atitle><jtitle>Chinese physics C</jtitle><addtitle>Chinese Physica C</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>39</volume><issue>7</issue><spage>59</spage><epage>63</epage><pages>59-63</pages><issn>1674-1137</issn><eissn>0254-3052</eissn><abstract>A proton recoil method for measuring D-T neutron energy spectra using polyethylene film and a Si（Au）surface barrier detector is presented. An iteration algorithm for unfolding the recoil proton energy spectrum to the neutron energy spectrum is investigated. The response matrices R of the polyethylene film at angles of 0o and45o were obtained by simulating the recoil proton energy spectra from mono-energetic neutrons using the MCNPX code. With an assumed D-T neutron spectrum, the recoil proton spectra from the polyethylene film at angles of 0oand 45owere also simulated using the MCNPX code. Based on the response matrices R and the simulated recoil proton spectra at 0oand 45o, the respective unfolded neutron spectra were obtained using the iteration algorithm,and compared with the assumed neutron spectrum. The results show that the iteration algorithm method can be applied to unfold the recoil proton energy spectrum to the neutron energy spectrum for D-T neutron energy spectra measurement using the recoil proton method.</abstract><doi>10.1088/1674-1137/39/7/076201</doi><tpages>5</tpages></addata></record> |
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| ispartof | Chinese physics C, 2015-07, Vol.39 (7), p.59-63 |
| issn | 1674-1137 0254-3052 |
| language | eng |
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| source | IOP Publishing Journals; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Algorithms Computer simulation D-T Energy measurement Energy spectra Energy use Polyethylenes Recoil protons Spectra 中子能谱测量 反冲质子 响应矩阵 聚乙烯薄膜 谱展开 迭代算法 面垒探测器 |
| title | Study of an unfolding algorithm for D-T neutron energy spectra measurement using a recoil proton method |
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