氘的(n,2n)反应截面数据研究
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- 英文论文题名：Research of the D(n,2n)p reaction cross section
- 论文作者：王记民 ; 陈国长 ; 庄友祥
- 英文论文作者：WANG Ji-min ; CHEN Guo-chang ; ZHUANG You-xiang ; China Institute of Atomic Energy ; China Nuclear Data Center
- 年：2015
- 作者机构：中国原子能科学研究院核数据测量与评价技术国防科技重点实验室;
- 论文关键词：D(n ; 2n)反应 ; 最小二乘拟合 ; 数据评价
- 英文论文关键词：D(n ; 2n)p ; least-squares fit ; data evaluation
- 会议召开时间：2015-09-21
- 会议录名称：中国核科学技术进展报告（第四卷）——中国核学会2015年学术年会论文集第7册（计算物理分卷、核物理分卷、粒子加速器分卷、核聚变与等离子体物理分卷、脉冲功率技术及其应用分卷、辐射物理分卷）
- 语种：中文
- 分类号：O571
- 学会代码：EGVD
- 会议名称：中国核学会2015年学术年会
- 会议地点：中国四川绵阳
- 主办单位：中国核学会
- 学会名称：中国核学会
- 页数：5
- 文件大小：364k
- 原文格式：O
- 会议级别：全国
摘要
氘的(n,2n)反应是三核子反应系统中最简单的,同时也是最重要的反应之一。由于不存在库仑相互作用,氘的(n,2n)反应的截面数据对于了解少体相互作用和核力有着重要意义。氘是重要的聚变燃料,该反应的截面数据对核能开发具有重要的应用价值。本工作收集了截至2012年氘的(n,2n)反应截面的实验测量数据,这些实验采用不同的测量方法分别对反应产生的两个中子或质子进行测量,其覆盖能区从阈能到25 MeV。对这些实验数据的测量值及误差进行了分析处理,应用正交多项式对分析处理后的实验数据进行了最小二乘拟合。最后,给出了氘的(n,2n)反应截面的推荐值,并与理论计算和国际最新评价数据库ENDF/B-VII.1,JEFF-3.2,JENDL-4.0和CENDL-3.1作了比较。
D(n,2n)p is one of the simplest three nucleons reactions without Coulomb interaction,it is very significant for searching after nuclear force and nuclear theory.Deuterium is one of the important fusion fuels,therefore D(n,2n)p reaction cross sections are useful for nuclear power development.It is difficult to measure the D(n,2n)p reaction cross sections,up to now all the measured data of 13 sets have been collected from threshold to 25 MeV.The original data and errors of all the experiments were analyzed.The recommended values of D(n,2n)p reaction cross sections were obtained on basis of least-squares fit with orthogonal polynomial,and were compared with the theoretical calculation and the ENDF/B-VII.1,JEFF-3.2,JENDL-4.0 and CENDL-3.1.
D(n,2n)p is one of the simplest three nucleons reactions without Coulomb interaction,it is very significant for searching after nuclear force and nuclear theory.Deuterium is one of the important fusion fuels,therefore D(n,2n)p reaction cross sections are useful for nuclear power development.It is difficult to measure the D(n,2n)p reaction cross sections,up to now all the measured data of 13 sets have been collected from threshold to 25 MeV.The original data and errors of all the experiments were analyzed.The recommended values of D(n,2n)p reaction cross sections were obtained on basis of least-squares fit with orthogonal polynomial,and were compared with the theoretical calculation and the ENDF/B-VII.1,JEFF-3.2,JENDL-4.0 and CENDL-3.1.
引文
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[12]K.Gul,A.Waheed,M.Ahmed,et al.Inelastic scattering of 14.8 MeV neutrons from deuteron[BD].:Data file EXFOR-30470.004 dated 2009-03-12,compare Journal of Physics,Part G,1979,5(8):1107.EXFOR data retrieved from the IAEA Nuclear Data Section,Vienna.
[13]白希祥,温琛林,孙大泽,等.氘的14.7 MeV中子弹性散射角分布和破裂中子能谱[J].原子核物理,1980,2(4):327-335.
[14]Shen Guanren,Sa Jun,Tang Hongqing,et al.Differential and double differential neutron cross section of deuteron[J].Chinese Journal of Nuclear Physics,China Ocean Press,Beijing-Printed in P.R.China,1990,12(3):241-252.
[15]S.Shirato,N.Koori.Measurements of the cross sections for n-d elastic and inelastic scattering at 14.1 MeV[J].Nuclear Physics,Section A,1968,120(2):387-400.
[16]E.R.Graves,J.D.Seagrave.Breakup protons from the D(n,2n)reaction[DB].:Data file EXFOR-10970.002dated 1981-07-15,compare U.S.AEC,Nuclear Cross Sections Advisory Comm.Repts,1971,42:158.EXFOR data retrieved from the IAEA Nuclear Data Section,Vienna.
[17]N.Koori.Energy Spectra of Breakup Protons from the D(n,p)2nReaction by 14.1 MeV Neutrons[J].Journal of the Physical Society of Japan,1972,32(2):306-315.
[18]G.Pauletta,F.D.Brooks.Cross sections for the n+d breakup reaction[J].Nuclear Physics,Section A,1975,255(2):267-274.
[2]SHIBATA K,IWAMOTO O,NAKAGAWA T,et al.JENDL-4.0:A new library for nuclear science and engineering[J].Nucl.Sci.Tech.,2011,48(1):l-30.
[3]GE ZG,ZHUANGYX,LIU TJ,et al.CENDL-3.1,The Chinese Evaluated Nuclear Data Library for Neutron Reaction Data[J].Korean Physical Society,2011,59(2):1052-1056.
[4]JEFF-3.2,Joint Evaluated Fission and Fusion File,the JEFF Scientific Co-ordination Group,NEA Data Bank,released on March 5,2014.http://www.oecd-nea.org/dbforms/data/eva/evatapes/jeff_32/.
[5]J.-M.Laborie,X.Ledoux,C.Varignon,et al.Measurement of the nutron-induced deuteron breakup reaction cross-section between 5 and 25 MeV[J].The European Physical Journal A:Hadrons and Nuclei,2012,48(6):87-99.
[6]Cai Dunjiu,Zhuang Youxiang,Wang Zisheng,et al.The evaluation of~2H(n,2n)~1H reaction cross section[J].INDC(CPR)-019/L,1990,4:41-45.
[7]V.J.Ashby,H.C.Catron,L.L.Newkirk,et al.Absolute measurement of(n,2n)cross sections at 14.1 MeV[J].Physical Review,1958,111(2):616-621.
[8]H.C.Catron,M.D.Golderg,R.W.Hill,et al.Deuterium and Beryllium(n,2n)cross sections between 6 and 10MeV[J].Physical Review,1961,123(1):218-220.
[9]M.Holmberg.The(n,2n)cross section of~2H in the energy region 4.0-6.5 MeV[J].Nuclear Physics,Section A,1969,129(2):327-330.
[10]J.Frehaut,A.Bertin,R.Blois,et al.(n,2n)cross sections of~2H and~(239)Pu[C].//Phillip G.Young,et al.Nuclear Data for Basic and Applied Science:Procedings of the international Conference Santa Fe,New Mexico:A Special Issue of Radiation Effects,GORDON AND BREACH SCIENCE PUBLISHERS,1985(1B06):1561-1565.
[11]G.Vedrenne.Neutron interactions on deuterium[DB].:Data file EXFOR-21148.025 dated 1979-12-06,compare Journal de Physique Colloque,1966,27(CI):71-73.EXFOR data retrieved from the IAEA Nuclear Data Section,Vienna.
[12]K.Gul,A.Waheed,M.Ahmed,et al.Inelastic scattering of 14.8 MeV neutrons from deuteron[BD].:Data file EXFOR-30470.004 dated 2009-03-12,compare Journal of Physics,Part G,1979,5(8):1107.EXFOR data retrieved from the IAEA Nuclear Data Section,Vienna.
[13]白希祥,温琛林,孙大泽,等.氘的14.7 MeV中子弹性散射角分布和破裂中子能谱[J].原子核物理,1980,2(4):327-335.
[14]Shen Guanren,Sa Jun,Tang Hongqing,et al.Differential and double differential neutron cross section of deuteron[J].Chinese Journal of Nuclear Physics,China Ocean Press,Beijing-Printed in P.R.China,1990,12(3):241-252.
[15]S.Shirato,N.Koori.Measurements of the cross sections for n-d elastic and inelastic scattering at 14.1 MeV[J].Nuclear Physics,Section A,1968,120(2):387-400.
[16]E.R.Graves,J.D.Seagrave.Breakup protons from the D(n,2n)reaction[DB].:Data file EXFOR-10970.002dated 1981-07-15,compare U.S.AEC,Nuclear Cross Sections Advisory Comm.Repts,1971,42:158.EXFOR data retrieved from the IAEA Nuclear Data Section,Vienna.
[17]N.Koori.Energy Spectra of Breakup Protons from the D(n,p)2nReaction by 14.1 MeV Neutrons[J].Journal of the Physical Society of Japan,1972,32(2):306-315.
[18]G.Pauletta,F.D.Brooks.Cross sections for the n+d breakup reaction[J].Nuclear Physics,Section A,1975,255(2):267-274.