物相对α和p在水中阻止截面影响的研究
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- 英文论文题名：Research on the effects of phase on stopping cross section for α and p in water
- 论文作者：王正海 ; 方开洪 ; 赵江涛 ; 刘东东 ; 王强 ; 王铁山
- 英文论文作者：WANG Zheng-hai ; FANG Kai-hong ; ZHAO Jiang-tao ; LIU Dong-dong ; WANG Qiang ; WANG Tie-shan ; School of nuclear science and technology ; Lanzhou University
- 年：2015
- 作者机构：兰州大学核科学与技术学院;
- 论文关键词：物相 ; α和p ; 水中 ; 阻止截面 ; 影响
- 英文论文关键词：physical state ; α and p ; water ; stopping cross section ; effects
- 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：O571.55
- 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：7
- 文件大小：301k
- 原文格式：O
- 会议级别：全国
摘要
本文结合文献数据,比较分析了不同物理状态的水对α和p的阻止截面。分析发现,不同物理状态(物相)的水对相同入射能量粒子的阻止截面有以下现象:S_气>S_(固、液)。本工作首次总结了影响这种差异的原因,认为物相对阻止截面的影响主要取决于不同状态下水的I值、介电效应、水分子的聚合效应、极化现象、入射粒子的有效电荷、壳修正和等离子振荡的累积效应。
This work reviewed and analyzed the previous data of stopping cross section for α and p in different physical state water.The phase effect is existence with the same energy α or p in different physical state water,i.e.S_(vapor)>S_(ice,liquid).We first summarize the reasons and think that the result difference is related to the cumulative effects of the discrepancy of mean ionization energy I,dielectric effect,effect of aggregation upon the molecule,polarization phenomenon,effective charge of the incident ion,shell correction and plasma oscillation.
This work reviewed and analyzed the previous data of stopping cross section for α and p in different physical state water.The phase effect is existence with the same energy α or p in different physical state water,i.e.S_(vapor)>S_(ice,liquid).We first summarize the reasons and think that the result difference is related to the cumulative effects of the discrepancy of mean ionization energy I,dielectric effect,effect of aggregation upon the molecule,polarization phenomenon,effective charge of the incident ion,shell correction and plasma oscillation.
引文
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[37]Emfietzoglou D.,et al.,A Complete Dielectric Response Model for Liquid Water:A Solution of the Bethe Ridge Problem[J].Radiat.Res.164(2005),202-211.
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[2]Thwaites D.I.,et al.,Current stayus of physical state effects on stopping power[J].Nucl.Instr.And Meth.B12(1985)84-89.
[3]De Carvalho H.G.and Yagoda H.,Phys.Hev.88(1952),273.
[4]Ellis B.H.,et al.,Phys.Hev.97(1955),1043.
[5]Philipp K.,Z.Phys.17(1923),23.
[6]Appleyard H.K.,Proc.Cambridge Phil.Soc.47(1951),443.
[7]Wenzel W.A.and Whaling W.,Phys.Hev.87(1952),499.
[8]Aniansson G.,Phys.jgev.98(1955),300.
[9]Palmer H.B.J.and Simons H.A.B.,Proc.Phys.Soc.(London)74(1959),585.
[10]复旦大学,清华大学,北京大学.原子核物理试验方法(修订版)[M].北京:原子能出版社,1994:33-38.
[11]Ziegler J.F.,SRIM 2013.Available from:
[12]Thwaites D.I.,Stopping cross-sections of liquid water and water vapour for alpha particles within the energy region 0.3 to 5.5 MeV[J].Phys.Med.Biol.,1981,26(l):71-80.
[13]Xu Y.J.,et al.,Proton stopping cross sections of liquid water[J].Phys.ReV.A,1985,32(1):629-632.
[14]Shimizu M.,et al.,Stopping cross-sections of liquid water for 0.3-2.0 MeV protons.Vacuum 84(2010)1002-1004.
[15]Rita B J Palmer and Ahmad Akhavan-Rezayat,The stopping power of water,water vapour and aqueous tissue equivalent solution for alpha particles over the energy range 0.5-8 MeV[J].J.Phys.D:Appl.Phys.,1978,11:605-611.
[16]Thwaites D.I.,et al.,Similarity Treatment of Phase Effects in Stopping Power for Low Energy Heavy Charged Particles[J].PHYS.NED.BIOL.,1978,23(3):426-437.
[17]Francis Z.,et al.,Stopping power and ranges of electrons,protons and alpha particles in liquid water using the Geant4-DNA package[J].Nucl.Instr.And Meth.B 2011,269:2307-2311.
[18]Hirschfelder J.O.and Magee J.L.,Phys.Rev.73,207(1948).
[19]Reynolds H.K.,Dunbar D.N.F.,Wenzel W.A.,and Whaling W.,Phys.Rev.92(1953),742.
[20]Uehara S.,et al.,Calculations of electronic stopping cross sections for low energy protons in water[J].Radiation Physics and Chemistry 59(2000)1-11.
[21]Emfietzoglou D.,et al.,Radiation Protection Dosimetry,2007,126(1/4):97-100.
[22]Akkerman A.,et al.,Calcultion of proton stopping power in the region of its maximum value for several organic materials and water[J].Radiat.Phys.Chem.61(2001).,333-335.
[23]Dingfelder M.,et al.,Inelastic-collision cross sections of liquid water for interactions of energetic protons[J].Radiat.Phys.Chem.59(2000),255-275.
[24]Bauer,P.,Kaferbock,W.and Necas,V.Investigation of the electronic energy loss of hydrogen ions in H_2O:influence of the state of aggregation[J].Nucl.Instrum.Methods B 93(1998),132-136.
[25]Shimizu M.,et al.,Stopping cross sections of liquid water for MeV energy protons[J].Nucl.Instr.And Meth.B,2009,267:2667-2670.
[26]Siiskonen T.,et al.,Energy loss measurement of protons in liquid water[J].Phys.Med.Biol.56(2011)2367-2374.
[27]Janni J.F.,Proto range-energy tables[J],At.Data Nucl.Data Tables 27(1982)147.
[28]Champion C.,et al.,Electron and proton elastic scattering in water vapour[J].Nucl.Instr.And Meth.B,2012,273:98-101.
[29]Montanari C.C.,et al.,Neonization method for stopping,mean excitation energy,straggling,and for total and differential ionization cross sections of CH4,NH3,H_2O and FH by impact of heavy projectiles[J].J.Phys.B:At.Mol.Opt.Phys.47(2014)015201:1-12.
[30]Zeiss G.D.,et al.,Radiat.Res.70(1977),284.
[31]Ritchie R.H.,et al.,1978.In:Booz,J.,Ebert,H.G.(Eds.),Sixth Symposium on Microdosimetry,Brussels,Belgium,EUR-6064.Harwood Academic Publishers,London,p.345.
[32]Porter L.E.and Thwaites D.I.,Physical state effects on the mean excitation energy of water as determined from a particle stopping-power measurements[J].Phys.ReV.A,1982,25(6):3407-3410.
[33]Ashley J.C.,Stopping Power of Liquid Water for Low-Energy Electron[J].Radiat.Res.,1989,89:25-31.
[34]Dingfelder M.,et al.,Electron inelastic-scattering cross sections in liquid water[J].Radiation Physics and Chemistry 53(1998)1-18.
[35]International Atomic Energy Agency.Atomic and Molecular Data for Radiation Therapy and Related Research,IAEA-TECDOC-799.IAEA,Vienna,1995.
[36]ICRU,International Commission on Radioation Units and Measurements,1984,1993.Available from:
[37]Emfietzoglou D.,et al.,A Complete Dielectric Response Model for Liquid Water:A Solution of the Bethe Ridge Problem[J].Radiat.Res.164(2005),202-211.
[38]Rafael Garcia-Molina et al.,Phys.Med.Biol.56(2011)6475-6493.
[39]Evans R.D.,1955,The Atomic Nucleus(New York:McGraw-Hill)p 636.
[40]Barkas W.H.,Nuclear Research Emulsions(New York:Academic Press)1963.
[41]Swann,W.F.G.,J.Franklin Inst.,226(1938),598.
[42]Daniels J.,Opt.Commun.3(1971),240.