共面双对称条件下电子碰撞Ar原子单电离的一阶扭曲波Born近似

张立民; 贾昌春; 王琦; 陈长进

doi:10.7498/aps.63.153401

摘要

在共面双对称几何条件下，利用一阶扭曲波Born近似计算了中低能电子碰撞Ar原子（3p壳层电子）单电离的三重微分截面，并与最近的实验数据做了比较. 结果表明，对于Ar原子，当入射电子能量比电离阈高40 eV以上，随着入射能量的增加，binary和recoil碰撞机理逐渐占据支配地位；在近阈能量范围，上述碰撞机理不再处于支配地位，扭曲效应明显. 要完备地描述中低能入射条件下Ar原子的电子碰撞电离过程，理论模型必须同时考虑多种散射机理.

关键词:

Abstract

The first-order distorted wave Born approximation (DWBA) has been performed for single ionization of Ar(3p) by electron impact in coplanar doubly symmetric geometry from near threshold to intermediate energies. Theoretical triple differential cross sections (TDCS) are compared with the latest experimental data. It is found that when the incident electron energies are 40 eV higher than the ionization threshold, for argon, the binary and recoil collision mechanism will dominat as the energies increase, but not in the near threshold energy regime, where the distortion effects are of great significance. In order to completely describe the electron impact ionization of argon, it is imperative that more scattering mechanisms should be considered in the theoretical models.

Keywords:

electron impact ionization /
coplanar doubly symmetric /
first-order distorted wave Born approximation /
argon

作者及机构信息

1.
安徽大学物理与材料科学学院, 合肥 230601;

2.
汕头大学理学院物理系, 汕头 515063

基金项目: 安徽大学博士科研启动经费（批准号：02303319：33190203）和国家自然科学基金（批准号：11274219）资助的课题.

Authors and contacts

1.
School of Physics and Materials Science, Anhui University, Hefei 230601, China;

2.
Department of Physics, College of Science, Shantou University, Shantou 515063, China

Funds: Project supported by the Anhui University Doctoral Research Starting Foundation, China (Grant No. 02303319:33190203), and the National Natural Science Foundation of China (Grant No. 11274219).

参考文献

[1]	Lahmam-Bennani A 1991 J. Phys. B: At. Mol. Opt. Phys. 24 2401
[2]
[3]	Weigold E, McCarthy I E 1999 Electron Momentum Spectroscopy (New York: Kluwer Academic/Plenum Publishers)
[4]
[5]	Brauner M, Briggs J S, Klar H 1989 J Phys B: At Mol Opt Phys 22 2265
[6]
[7]	Madison D H, Calhoun R V, Shelton W N 1977 Phys. Rev. A 16 552
[8]
[9]
[10]	Chen Z J, Madison D H, Whelan C T, Walters H R J 2004 J. Phys. B: At Mol Opt Phys 37 981
[11]	Chen Z J, Madison D H 2005 J. Phys. B: At. Mol. Opt. Phys. 38 4195
[12]
[13]	Bray I, Stelbovics A T 1992 Phys. Rev. A 46 6995
[14]
[15]
[16]	Pindzola M S, Schultz D R 1996 Phys. Rev. A 53 1525
[17]	Bartschat K, Hudson E T, Scott M P, Burke P G, Burke V M 1996 J. Phys. B: At. Mol. Opt. Phys. 29 115
[18]
[19]
[20]	Zatsarinny O, Bartschat K 2011 Phys. Rev. Lett. 107 023203
[21]	Madison D H, Al-Hagan O 2010 J. At. Mol. Opt. Phys. 2010 367180
[22]
[23]	Amaldi U Jr., Egidi A, Marconero R, Pizzella G 1969 Rev. Sci. Instrum 40 1001
[24]
[25]	Murray A J 2013 Fragmentation Processes: Topics in Atomic and Molecular Physics (London: Cambridge University Press) p164-206
[26]
[27]	Bransden B H, Joachain C J 1983 Physics of Atoms and Molecules (London: Longman Groups Ltd.) p519
[28]
[29]
[30]	Murray A J
[31]	Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[32]
[33]
[34]	Berakdar J, Briggs J S 1994 J. Phys. B: At. Mol. Opt. Phys. 27 4271
[35]
[36]	Khajuria Y, Tripathi D N 1998 J. Phys. B: At. Mol. Opt. Phys. 31 2359
[37]	Bray I, Fursa D V, Röder J, Ehrhardt H 1997 J. Phys. B: At. Mol. Opt. Phys. 30 L101
[38]
[39]
[40]	Stelbovics A T, Bray I, Fursa D V, Bartschat K 2005 Phys. Rev. A 71 052716
[41]	Bray I, Lepage T, Fursa D V, Stelbovics A T 2010 J. Phys. B: At. Mol. Opt. Phys. 43 074028
[42]
[43]
[44]	Khajuria Y, Chen L Q, Chen X J, Xu K Z 2002 Phys. Rev. A 65 042706
[45]	Yang H, Xing L L, Zhang S M, Wu X J 2011 Acta Phys. Sin. 60 103402 (in Chinese) [杨欢, 邢玲玲, 张穗萌, 吴兴举 2011 60 103402]
[46]
[47]
[48]	Sun S Y, Jia X F, Miao X Y, Li X, Ma X Y 2012 Acta Phys. Sin. 61 093402 (in Chinese) [孙世艳, 贾祥富, 苗向阳, 李霞, 马晓艳 2012 61 093402]
[49]	Chen Z B, Liu L J, Dong C Z 2012 Acta Phys. Sin. 61 143401 (in Chinese) [陈展斌, 刘丽娟, 董晨钟 2012 61 143401]
[50]
[51]	Nixon K L, Murray A J 2013 Phys. Rev. A 87 022712
[52]
[53]	Tong X M, Lin C D, 2005 J. Phys. B: At. Mol. Opt. Phys. 38 2593
[54]
[55]	Liu L J, Jia C C, Zhang L M, Chen Z J 2013 Chin. Phys. B 22 103401
[56]
[57]	Rioual S, Rouvellouy B, Pochat A, Rasch G, Walters H R J, Whelan C T, Allan R J 1997 J. Phys. B: At. Mol. Opt. Phys. 30 L475
[58]
[59]	Murray A J, Bowring N J, Read F H 2000 J. Phys. B: At. Mol. Opt. Phys. 33 2859
[60]
[61]
[62]	Whelan C T, Walters H R J 1990 J. Phys. B: At. Mol. Opt. Phys. 23 2989
[63]	Rioual S, Rouvellou B, Röder J, Pochat A 1997 Coincidence Studies of Electron and Photon Impact Ionization (New York: Plenum Press) p163-167

施引文献

[1]	Lahmam-Bennani A 1991 J. Phys. B: At. Mol. Opt. Phys. 24 2401
[2]
[3]	Weigold E, McCarthy I E 1999 Electron Momentum Spectroscopy (New York: Kluwer Academic/Plenum Publishers)
[4]
[5]	Brauner M, Briggs J S, Klar H 1989 J Phys B: At Mol Opt Phys 22 2265
[6]
[7]	Madison D H, Calhoun R V, Shelton W N 1977 Phys. Rev. A 16 552
[8]
[9]
[10]	Chen Z J, Madison D H, Whelan C T, Walters H R J 2004 J. Phys. B: At Mol Opt Phys 37 981
[11]	Chen Z J, Madison D H 2005 J. Phys. B: At. Mol. Opt. Phys. 38 4195
[12]
[13]	Bray I, Stelbovics A T 1992 Phys. Rev. A 46 6995
[14]
[15]
[16]	Pindzola M S, Schultz D R 1996 Phys. Rev. A 53 1525
[17]	Bartschat K, Hudson E T, Scott M P, Burke P G, Burke V M 1996 J. Phys. B: At. Mol. Opt. Phys. 29 115
[18]
[19]
[20]	Zatsarinny O, Bartschat K 2011 Phys. Rev. Lett. 107 023203
[21]	Madison D H, Al-Hagan O 2010 J. At. Mol. Opt. Phys. 2010 367180
[22]
[23]	Amaldi U Jr., Egidi A, Marconero R, Pizzella G 1969 Rev. Sci. Instrum 40 1001
[24]
[25]	Murray A J 2013 Fragmentation Processes: Topics in Atomic and Molecular Physics (London: Cambridge University Press) p164-206
[26]
[27]	Bransden B H, Joachain C J 1983 Physics of Atoms and Molecules (London: Longman Groups Ltd.) p519
[28]
[29]
[30]	Murray A J
[31]	Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[32]
[33]
[34]	Berakdar J, Briggs J S 1994 J. Phys. B: At. Mol. Opt. Phys. 27 4271
[35]
[36]	Khajuria Y, Tripathi D N 1998 J. Phys. B: At. Mol. Opt. Phys. 31 2359
[37]	Bray I, Fursa D V, Röder J, Ehrhardt H 1997 J. Phys. B: At. Mol. Opt. Phys. 30 L101
[38]
[39]
[40]	Stelbovics A T, Bray I, Fursa D V, Bartschat K 2005 Phys. Rev. A 71 052716
[41]	Bray I, Lepage T, Fursa D V, Stelbovics A T 2010 J. Phys. B: At. Mol. Opt. Phys. 43 074028
[42]
[43]
[44]	Khajuria Y, Chen L Q, Chen X J, Xu K Z 2002 Phys. Rev. A 65 042706
[45]	Yang H, Xing L L, Zhang S M, Wu X J 2011 Acta Phys. Sin. 60 103402 (in Chinese) [杨欢, 邢玲玲, 张穗萌, 吴兴举 2011 60 103402]
[46]
[47]
[48]	Sun S Y, Jia X F, Miao X Y, Li X, Ma X Y 2012 Acta Phys. Sin. 61 093402 (in Chinese) [孙世艳, 贾祥富, 苗向阳, 李霞, 马晓艳 2012 61 093402]
[49]	Chen Z B, Liu L J, Dong C Z 2012 Acta Phys. Sin. 61 143401 (in Chinese) [陈展斌, 刘丽娟, 董晨钟 2012 61 143401]
[50]
[51]	Nixon K L, Murray A J 2013 Phys. Rev. A 87 022712
[52]
[53]	Tong X M, Lin C D, 2005 J. Phys. B: At. Mol. Opt. Phys. 38 2593
[54]
[55]	Liu L J, Jia C C, Zhang L M, Chen Z J 2013 Chin. Phys. B 22 103401
[56]
[57]	Rioual S, Rouvellouy B, Pochat A, Rasch G, Walters H R J, Whelan C T, Allan R J 1997 J. Phys. B: At. Mol. Opt. Phys. 30 L475
[58]
[59]	Murray A J, Bowring N J, Read F H 2000 J. Phys. B: At. Mol. Opt. Phys. 33 2859
[60]
[61]
[62]	Whelan C T, Walters H R J 1990 J. Phys. B: At. Mol. Opt. Phys. 23 2989
[63]	Rioual S, Rouvellou B, Röder J, Pochat A 1997 Coincidence Studies of Electron and Photon Impact Ionization (New York: Plenum Press) p163-167

[1]	吴怡娇, 孟天鸣, 张献文, 谭旭, 马蒲芳, 殷浩, 任百惠, 屠秉晟, 张瑞田, 肖君, 马新文, 邹亚明, 魏宝仁. 高电荷态Ar⁸⁺离子与He原子碰撞中双电子俘获量子态选择截面实验研究. , 2024, 73(24): . doi: 10.7498/aps.73.20241290
[2]	葛振杰, 苏旭, 白丽华. 反旋双色椭圆偏振激光场中Ar原子的非序列双电离. , 2024, 73(9): 093201. doi: 10.7498/aps.73.20231583
[3]	苏杰, 刘子超, 廖健颖, 李盈傧, 黄诚. 反旋双色椭偏场中Ar非次序双电离电子关联的强度依赖. , 2022, 71(19): 193201. doi: 10.7498/aps.71.20221044
[4]	马堃, 朱林繁, 颉录有. Ar原子和K⁺离子序列双光双电离光电子角分布的非偶极效应. , 2022, 71(6): 063201. doi: 10.7498/aps.71.20211905
[5]	马堃, 颉录有, 董晨钟. Ar原子序列双光双电离产生光电子角分布的理论计算. , 2020, 69(5): 053201. doi: 10.7498/aps.69.20191814
[6]	张汉君, 单旭, 徐春凯, 陈向军. 共面不对称条件下低能电子碰撞电离Ar(3p)的三重微分截面. , 2013, 62(18): 183401. doi: 10.7498/aps.62.183401
[7]	陈展斌, 刘丽娟, 董晨钟. 64.6 eV电子碰撞电离氦原子(e, 2e)反应的理论研究. , 2012, 61(14): 143401. doi: 10.7498/aps.61.143401
[8]	孙世艳, 贾祥富, 苗向阳, 李霞, 马晓艳. 共面双对称几何条件下电子碰撞Na原子单电离的三重微分截面. , 2012, 61(9): 093402. doi: 10.7498/aps.61.093402
[9]	欧阳建明, 马燕云, 邵福球, 邹德滨. 高能电子碰撞电离对高空核爆炸辐射电离的影响. , 2012, 61(21): 212802. doi: 10.7498/aps.61.212802
[10]	辛国国, 叶地发, 赵清, 刘杰. 原子非序列双电离的多次返回碰撞电离机理分析. , 2011, 60(9): 093204. doi: 10.7498/aps.60.093204
[11]	张东玲, 汤清彬, 余本海, 陈东. 碰撞阈值下氩原子非次序双电离. , 2011, 60(5): 053205. doi: 10.7498/aps.60.053205
[12]	高瑞军, 葛自明. 共面不对称条件下Ar原子（e, 2e）反应的三重微分截面. , 2010, 59(3): 1702-1706. doi: 10.7498/aps.59.1702
[13]	孙世艳, 贾祥富, 师文强, 李雄伟. 非共面几何条件下102eV电子碰撞He原子电离的全微分截面. , 2008, 57(6): 3458-3463. doi: 10.7498/aps.57.3458
[14]	周丽霞, 燕友果. 共面不对称条件下He和Ar原子（e, 2e）反应过程中的极化效应和后碰撞相互作用. , 2008, 57(12): 7619-7622. doi: 10.7498/aps.57.7619
[15]	颜士翔, 陈重阳, 滕舟轩, 王炎森, 孙永盛. 低和中等电离度离子的电子碰撞电离截面的扭曲波计算. , 1998, 47(4): 583-590. doi: 10.7498/aps.47.583
[16]	方泉玉, 蔡蔚, 沈智军, 李萍, 邹宇, 徐元光, 陈国新. 电子与高荷电离子碰撞激发的扭曲波截面. , 1995, 44(3): 383-395. doi: 10.7498/aps.44.383
[17]	潘广炎, 雷子明, 杨锋, 卢小林, 刘参文, 刘家瑞, 孙湘. Ar+离子与原子碰撞中真空紫外辐射. , 1991, 40(6): 891-896. doi: 10.7498/aps.40.891
[18]	雷子明, 杨锋, 于德洪, 刘家瑞, 潘广炎, 孙湘. Ar2+与Li,Na原子碰撞中单电子俘获过程的实验研究. , 1989, 38(9): 1515-1520. doi: 10.7498/aps.38.1515
[19]	于德洪, 杨锋, 雷子明, 潘广炎, 刘家瑞. 电子与原子He,Ar碰撞过程中激发态的实验研究. , 1988, 37(12): 1965-1971. doi: 10.7498/aps.37.1965
[20]	雷子明, 杨锋, 刘家瑞, 潘广炎, 于德洪, 孙湘. 双电荷离子He2+与Ne,Ar原子碰撞中的激发态. , 1988, 37(8): 1244-1253. doi: 10.7498/aps.37.1244

计量

文章访问数: 5966
PDF下载量: 505
被引次数: 0

姓名
邮箱
手机号码
标题
留言内容
验证码

搜索

留言板