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e-H碰撞微分散射截面的场论计算方法研究 被引量：1

The quantum field theory method for e-H collide differential cross section
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摘要 本文采用量子场论 [1 ]的方法 ,构想了一种简化的电子与氢原子碰撞的模型 ,结合光学势模型 [5,6 ]中的可加性规则 [5,6 ]的思想 ,计算了电子被氢原子散射的微分散射截面 ,并与单纯用光学势方法计算的结果进行了比较 . This is a tentative research method for electron atom collision using quantum field theory. In this paper, we designed a new simple model of electron atom collide procession. The quantum field theory is combined with additivity rule in this model. Using this model we calculate the differential cross section for e H, e He and e Li collision. The result is quite encouraging; the physical ideology is new and innovational for further study.
作者 孙金锋 陈雷明 杜朝玲
机构地区 河南师范大学物理与信息工程学院
出处 《河南师范大学学报（自然科学版）》 CAS CSCD 2003年第3期30-33,共4页 Journal of Henan Normal University(Natural Science Edition)
基金 河南省自然科学基金项目资助 (1 0 1 74 0 1 9)
关键词 量子场论 光学势方法 可加性规则 e-H碰撞 微分散射截面 计算方法 电子 氢原子 quantum field theory optical potential the additivity rule
分类号 O562.5 [理学—原子与分子物理] O413.3 [理学—理论物理]
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参考文献7

  • 1Chang S J. Introduction to quantum field theory [M]. World scientific lecture notes in physics. 0218026x, 29: 36-95.
  • 2Jaduszliwer B, Tino A, Bederson B. absolute total cross sections for the scattering of low--energy electrons by lithium atoms [J]. Phys Rev A, 1981, 24: 1249-1254.
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同被引文献9

  • 1曾谨言.量子力学[M].北京:科学出版社,2002年第三版.575-580.
  • 2周世勋.量子力学教程[M].北京:高等教育出版社,1984.
  • 3Iga I,Lee M T,Homem M G P,et al.Elastic cross sections for e-CH4 collisions at intermediate energies[J].Phys.Rev.A,2000,61:022708-1～022708-8.
  • 4Jaduszliwer B,Tino A,Bederson B.Absolute total cross sections for the scattering go flow-energy electrons by lithium atoms[J].Phys.Rev.A,1981,24:1 249-1 254.
  • 5Karwasz G P,Barozzi M,Brusa R S,et al.Total cross sections for positron scattering on argon and krypton at intermediate and high energies[J].Nuclear Instruments and Methods in Physics Research,2002,192:157-161.
  • 6Kennerly R E,Bonham R A.Electron-helium absolute total scattering cross sections from 0.5 to 50 eV[J].Phys.Rev.A.,1978,17(6):1844-1854.
  • 7Staszewska G,Schwenka D W,Truhlar D G.Complex optical potential model for electron-molecule scattering,elastic scattering,and rotational excitation of H2 at 10-100 eV[J].J.Chem.Phys.,1984,81:335-343.
  • 8Staszewska G,Schwenka D W,Truhlar D G.Investigation of the shape of the imaginary part of the optical-model potential for electron scattering by rare gases[J].Phys.Rev.A.,1984,29:3 078-3 091.
  • 9Blanco F,Garcia G.Improved non-empirical absorption potential for electron scattering at intermediate and high energies:30-10 000 eV[J].Phys.Lett.A,1999,255:147-153.

引证文献1

河南师范大学学报（自然科学版）
2003年 第3期

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