Table of Contents
Journal of Atomic, Molecular, and Optical Physics
Volume 2010, Article ID 367180, 24 pages
http://dx.doi.org/10.1155/2010/367180
Review Article

The Distorted-Wave Born Approach for Calculating Electron-Impact Ionization of Molecules

Department of Physics, Missouri University of Science and Technology, Rolla, MO 65409, USA

Received 29 November 2009; Accepted 4 January 2010

Academic Editor: Derrick S. F. Crothers

Copyright © 2010 Don H. Madison and Ola Al-Hagan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. V. Mergel, R. Dörner, Kh. Khayyat et al., “Strong correlations in the He ground state momentum wave function observed in the fully differential momentum distributions for the p+He transfer ionization process,” Physical Review Letters, vol. 86, no. 11, pp. 2257–2260, 2001. View at Publisher · View at Google Scholar · View at Scopus
  2. H. Schmidt-Böcking, V. Mergel, L. Schmidt et al., “Dynamics of ionization processes studied with the COLTRIMS method—new insight into e-e correlation,” Radiation Physics and Chemistry, vol. 68, no. 1-2, pp. 41–50, 2003. View at Publisher · View at Google Scholar · View at Scopus
  3. H. Schmidt-Böcking, V. Mergel, R. Dörner et al., “Revealing the non-s2 contributions in the momentum wave function of ground-state He,” Europhysics Letters, vol. 62, no. 4, pp. 477–483, 2003. View at Publisher · View at Google Scholar · View at Scopus
  4. H. Schmidt-Böcking, V. Mergel, R. Dörner et al., “Experimental investigation of the asymptotic momentum wave function of He ground state,” in Correlations, Polarization and Ionization in Atomic Systems, vol. 604 of AIP Conference Proceedings, p. 120, 2001. View at Google Scholar
  5. M. Schulz, R. Moshammer, D. Fischer et al., “Three-dimensional imaging of atomic four-body processes,” Nature, vol. 422, no. 6927, pp. 48–50, 2003. View at Publisher · View at Google Scholar · View at Scopus
  6. T. N. Rescigno, M. Baertschy, W. A. Isaacs, and C. W. McCurdy, “Collisional breakup in a quantum system of three charged particles,” Science, vol. 286, no. 5449, pp. 2474–2479, 1999. View at Publisher · View at Google Scholar · View at Scopus
  7. I. Bray, “Low-energy electron-impact ionization of atomic hydrogen with equal energy outgoing electrons,” Journal of Physics B, vol. 33, no. 3, pp. 581–595, 2000. View at Publisher · View at Google Scholar · View at Scopus
  8. J. Colgan and M. S. Pindzola, “Double- and triple-differential cross sections for the low-energy electron-impact ionization of hydrogen,” Physical Review A, vol. 74, no. 1, Article ID 012713, 2006. View at Publisher · View at Google Scholar · View at Scopus
  9. K. Bartschat and I. Bray, “Electron-impact ionization of atomic hydrogen from the 1S and 2S states,” Journal of Physics B, vol. 29, no. 15, pp. L577–L583, 1996. View at Google Scholar · View at Scopus
  10. I. Bray, “Close-coupling approach to coulomb three-body problems,” Physical Review Letters, vol. 89, no. 27, Article ID 273201, 4 pages, 2002. View at Google Scholar · View at Scopus
  11. I. Bray, D. V. Fursa, A. S. Kheifets, and A. T. Stelbovics, “Electrons and photons colliding with atoms: development and application of the convergent close-coupling method,” Journal of Physics B, vol. 35, no. 15, pp. R117–R146, 2002. View at Publisher · View at Google Scholar · View at Scopus
  12. J. Colgan, M. S. Pindzola, G. Childers, and M. A. Khakoo, “Low-energy electron-impact single ionization of helium,” Physical Review A, vol. 73, no. 4, Article ID 042710, 7 pages, 2006. View at Publisher · View at Google Scholar · View at Scopus
  13. D. H. Madison, R. V. Calhoun, and W. N. Shelton, “Triple-differential cross sections for electron-impact ionization of helium,” Physical Review A, vol. 16, no. 2, pp. 552–562, 1977. View at Publisher · View at Google Scholar · View at Scopus
  14. C. T. Whelan and H. R. J. Walters, “A new version of the distorted-wave impulse approximation-application to coplanar symmetric ionization,” Journal of Physics B, vol. 23, no. 17, pp. 2989–2995, 1990. View at Publisher · View at Google Scholar · View at Scopus
  15. X. Zhang, C. T. Whelan, and H. R. J. Walters, “(e,2e) cross sections for ionization of helium in coplanar symmetric geometry,” Journal of Physics B, vol. 23, no. 17, pp. L509–L516, 1990. View at Publisher · View at Google Scholar · View at Scopus
  16. X. Zhang, C. T. Whelan, and H. R. J. Walters, “Energy sharing (e,2e) collisions-ionisation of helium in the perpendicular plane,” Journal of Physics B, vol. 23, no. 10, pp. L173–L178, 1990. View at Publisher · View at Google Scholar · View at Scopus
  17. E. P. Curran, C. T. Whelan, and H. R. J. Walters, “On the electron impact ionisation of H(1s) in coplanar asymmetric geometry,” Journal of Physics B, vol. 24, pp. L19–L25, 1991. View at Google Scholar
  18. D. H. Madison, K. Bartschat, and J. L. Peacher, “Effect of nonspherical distorting potentials in a first-order distorted-wave calculation,” Physical Review A, vol. 44, no. 1, pp. 304–309, 1991. View at Publisher · View at Google Scholar · View at Scopus
  19. X. Zhang, C. T. Whelan, and H. R. J. Walters, “Electron impact ionization of the noble gases in coplanar symmetric geometry over the energy range 100 to 1000 eV,” Zeitschrift für Physik D, vol. 18, no. 4, pp. 309–310, 1991. View at Publisher · View at Google Scholar · View at Scopus
  20. L. Avaldi, R. Camilloni, P. Letardi et al., “Absolute triple differential cross sections for helium at 300 eV,” Zeitschrift für Physik D, vol. 23, no. 4, pp. 341–345, 1992. View at Publisher · View at Google Scholar · View at Scopus
  21. M. Chérid, F. Gélébart, A. Pochat et al., “Absolute triple differential cross-section measurements in energy sharing kinematics and a coplanar asymmetric geometry at 100 and 200 eV on He,” Zeitschrift für Physik D, vol. 23, no. 4, pp. 347–351, 1992. View at Publisher · View at Google Scholar · View at Scopus
  22. T. Rösel, J. Röder, L. Frost et al., “Absolute triple differential cross section for ionization of helium near threshold,” Physical Review A, vol. 46, no. 5, pp. 2539–2552, 1992. View at Publisher · View at Google Scholar · View at Scopus
  23. S. Jones, D. H. Madison, and M. K. Srivastava, “Near-threshold ionization of hydrogen and helium by electron impact,” Journal of Physics B, vol. 25, pp. 1899–1914, 1992. View at Google Scholar
  24. C. Pan and A. F. Starace, “Angular distributions for near-threshold (e,2e) processes for H, He, and other rare-gas targets,” Physical Review A, vol. 45, no. 7, pp. 4588–4603, 1992. View at Publisher · View at Google Scholar · View at Scopus
  25. X. Zhang, C. T. Whelan, and H. R. J. Walters, “Distorted-wave Born approximation calculations of (e, 2e) reactions,” Zeitschrift für Physik D, vol. 23, no. 4, pp. 301–308, 1992. View at Publisher · View at Google Scholar · View at Scopus
  26. X. Zhang, C. T. Whelan, H. R. J. Walters et al., “(e, 2e) cross sections for inner-shell ionization of argon and neon,” Journal of Physics B, vol. 25, pp. 4325–4335, 1992. View at Google Scholar
  27. H. R. J. Walters, H. Ast, C. T. Whelan et al., “Relativistic (e, 2e) collisions on atomic inner shells in symmetric geometry,” Zeitschrift für Physik D, vol. 23, no. 4, pp. 353–357, 1992. View at Publisher · View at Google Scholar · View at Scopus
  28. L. Avaldi, R. Camilloni, R. Multari et al., “Coplanar asymmetric (e,2e) experiments on xenon 4d and 5p orbitals,” Physical Review A, vol. 48, no. 2, pp. 1195–1203, 1993. View at Publisher · View at Google Scholar · View at Scopus
  29. S. Jones, D. H. Madison, A. Franz, and P. L. Altick, “Three-body distorted-wave Born approximation for electron-atom ionization,” Physical Review A, vol. 48, no. 1, pp. R22–R25, 1993. View at Publisher · View at Google Scholar · View at Scopus
  30. A. Pochat, X. Zhang, C. T. Whelan et al., “Absolute low-energy experimental cross sections for (e,2e) processes on helium,” Physical Review A, vol. 47, no. 5, pp. R3483–R3486, 1993. View at Publisher · View at Google Scholar · View at Scopus
  31. C. T. Whelan, R. J. Allan, and H. R. J. Walters, “PCI, polarization and exchange effects in (e,2e) collisions,” Journal De Physique IV, vol. 3, no. 6, pp. 39–49, 1993. View at Google Scholar · View at Scopus
  32. C. T. Whelan, R. J. Allan, H. R. J. Walters, and X. Zhang, “(e,2e), effective charges, distorted waves an all that!,” in (e,2e) and Related Processes, C. T. Whelan, H. R. J. Walters, A. Lahmam-Bennani, and H. Ehrhardt, Eds., pp. 1–32, Kluwer Academic Publishers, Dordrecht, The Netherland, 1993. View at Google Scholar
  33. H. Ast, S. Keller, C. T. Whelan, H. R. J. Walters, and R. M. Dreizler, “Electron-impact ionization of the K shell of silver and gold in coplanar asymmetric geometry,” Physical Review A, vol. 50, no. 1, pp. R1–R3, 1994. View at Publisher · View at Google Scholar · View at Scopus
  34. S. Jones and D. H. Madison, “Asymptotically-correct distorted-wave calculations for low-energy electron-impact ionization of helium,” Journal of Physics B, vol. 27, pp. 1423–1428, 1994. View at Publisher · View at Google Scholar
  35. S. Keller, C. T. Whelan, H. Ast, H. R. J. Walters, and R. M. Dreizler, “Relativistic distorted-wave Born calculations for (e,2e) processes on inner shells of heavy atoms,” Physical Review A, vol. 50, no. 5, pp. 3865–3877, 1994. View at Publisher · View at Google Scholar · View at Scopus
  36. C. T. Whelan, R. J. Allan, J. Rasch et al., “Coulomb three-body effects in (e,2e) collisions: the ionization of H in coplanar symmetric geometry,” Physical Review A, vol. 50, no. 5, pp. 4394–4396, 1994. View at Publisher · View at Google Scholar · View at Scopus
  37. H. Ast, S. Keller, R. M. Dreizler, C. T. Whelan, L. U. Ancarani, and H. R. J. Walters, “On the position of the binary peak in relativistic (e, 2e) collisions,” Journal of Physics B, vol. 29, no. 15, pp. L585–L590, 1996. View at Google Scholar · View at Scopus
  38. B. Granitza, A. X. Guo, J. M. Hurn et al., “Spin effects in the (e, 2e) cross section of xenon,” Australian Journal of Physics, vol. 49, no. 2, pp. 383–401, 1996. View at Google Scholar · View at Scopus
  39. X. Guo, J. M. Hurn, J. Lower et al., “Fine structure effect in electron impact ionization,” Physical Review Letters, vol. 76, no. 8, pp. 1228–1231, 1996. View at Google Scholar · View at Scopus
  40. S. Keller, R. M. Dreizler, L. U. Ancarani, H. R. J. Walters, H. Ast, and C. T. Whelan, “Theoretical analysis of the relativistic first order Born approximation for inner shell (e, 2e) processes,” Zeitschrift für Physik D, vol. 37, no. 3, pp. 191–196, 1996. View at Google Scholar · View at Scopus
  41. S. Keller, R. M. Dreizler, H. Ast, C. T. Whelan, and H. R. J. Walters, “Theory of (e,2e) processes with spin-polarized relativistic electrons,” Physical Review A, vol. 53, no. 4, pp. 2295–2302, 1996. View at Google Scholar · View at Scopus
  42. D. H. Madison, V. D. Kravtsov, S. Jones, and R. P. McEachran, “Ionization of heavy inert gases by spin-polarized electrons,” Canadian Journal of Physics, vol. 74, no. 11-12, pp. 816–821, 1996. View at Google Scholar · View at Scopus
  43. D. H. Madison, V. D. Kravtsov, S. Jones, and R. P. McEachran, “Fine-structure effect for (e,2e) collisions,” Physical Review A, vol. 53, no. 4, pp. 2399–2406, 1996. View at Google Scholar · View at Scopus
  44. J. Röder, J. Rasch, K. Jung et al., “Coulomb three-body effects in low-energy impact ionization of H(1s),” Physical Review A, vol. 53, no. 1, pp. 225–233, 1996. View at Google Scholar · View at Scopus
  45. C. T. Whelan, H. Ast, H. R. J. Walters, S. Keller, and R. M. Dreizler, “Relativistic-energy-sharing (e,2e) collisions in coplanar constant θ1,2 geometry,” Physical Review A, vol. 53, no. 5, pp. 3262–3270, 1996. View at Google Scholar · View at Scopus
  46. C. T. Whelan, H. R. J. Walters, S. Keller, H. Ast, J. Rasch, and R. M. Dreizler, “Inner shell (e, 2e) processes,” Canadian Journal of Physics, vol. 74, no. 11-12, pp. 804–810, 1996. View at Google Scholar · View at Scopus
  47. A. Dorn, A. Elliott, X. Guo et al., “(e, 2e) collisions on xenon with spin-polarized electrons,” Journal of Physics B, vol. 30, no. 18, pp. 4097–4121, 1997. View at Google Scholar · View at Scopus
  48. R. M. Dreizler, H. Ast, S. Keller, C. T. Whelan, L. U. Ancarani, and H. R. J. Walters, “Structure of the triply differential cross section in the recoil region in relativistic electron-impact ionization: II. Theoretical analysis,” Journal of Physics B, vol. 30, no. 2, pp. L77–L80, 1997. View at Google Scholar · View at Scopus
  49. J. Rasch, C. T. Whelan, R. J. Allan, S. P. Lucey, and H. R. J. Walters, “Strong interference effects in the triple differential cross section of neutral-atom targets,” Physical Review A, vol. 56, no. 2, pp. 1379–1383, 1997. View at Google Scholar · View at Scopus
  50. J. Rasch, M. Zitnik, L. Avaldi et al., “Theoretical and experimental investigation of the triple-differential cross sections for electron-impact ionization of Kr(4p) and Xe(Sp) at 1-keV impact energy,” Physical Review A, vol. 56, no. 6, pp. 4644–4655, 1997. View at Google Scholar · View at Scopus
  51. S. Rioual, B. Rouvellou, A. Pochat et al., “Triple differential cross sections for the electron-impact ionization of argon and neon,” Journal of Physics B, vol. 30, no. 13, pp. L475–L480, 1997. View at Google Scholar · View at Scopus
  52. L. U. Ancarani, S. Keller, H. Ast, C. T. Whelan, H. R. J. Walters, and R. M. Dreizler, “Influence of Coulomb boundary conditions for (e, 2e) processes on the K-shell of high-Z atoms,” Journal of Physics B, vol. 31, no. 3, pp. 609–623, 1998. View at Google Scholar · View at Scopus
  53. S. Keller, H. Ast, L. U. Ancarani, C. T. Whelan, H. R. J. Walters, and R. M. Dreizler, “Remark on the theory of three-body effects in relativistic (e, 2e) processes,” Journal of Physics B, vol. 31, no. 20, pp. L873–L876, 1998. View at Google Scholar · View at Scopus
  54. D. H. Madison, V. D. Kravtsov, and S. Mazevet, “Role of exchange scattering in spin-dependent (e,2e) collisions,” Journal of Physics B, vol. 31, no. 1, pp. L17–L25, 1998. View at Google Scholar · View at Scopus
  55. S. Mazevet, I. E. McCarthy, and E. Weigold, “Parametrization of a spin-polarized (e ,2e) experiment,” Physical Review A, vol. 57, no. 3, pp. 1881–1891, 1998. View at Google Scholar · View at Scopus
  56. S. Mazevet, I. E. McCarthy, D. H. Madison, and E. Weigold, “Semirelativistic DWBA for the ionization of closed shell atoms at intermediate energies,” Journal of Physics B, vol. 31, no. 10, pp. 2187–2202, 1998. View at Google Scholar · View at Scopus
  57. C. Mette, T. Simon, C. Herting, G. F. Hanne, and D. H. Madison, “Spin-resolved triple differential cross sections of xenon,” Journal of Physics B, vol. 31, no. 20, pp. 4689–4700, 1998. View at Google Scholar · View at Scopus
  58. O. Rath Spivack, J. Rasch, C. T. Whelan, R. J. Allan, and H. R. J. Walters, “(e, 2e) processes with positive-ion targets in coplanar symmetric geometry,” Journal of Physics B, vol. 31, no. 4, pp. 845–858, 1998. View at Google Scholar · View at Scopus
  59. B. Rouvellou, S. Rioual, J. Röder et al., “Coulomb three-body effects in electron-impact ionization of argon,” Physical Review A, vol. 57, no. 5, pp. 3621–3626, 1998. View at Google Scholar · View at Scopus
  60. M. Streun, G. Baum, W. Blask et al., “Spin dependence of (e, 2e) collisions on lithium at 54.4 eV,” Journal of Physics B, vol. 31, no. 19, pp. 4401–4411, 1998. View at Google Scholar · View at Scopus
  61. L. U. Ancarani, H. Ast, S. Keller, R. M. Dreizler, C. T. Whelan, and H. R. J. Walters, “Analysis of semi-relativistic approximations for relativistic (e,2e) experiments,” Journal De Physique IV, vol. 9, no. 6, pp. Pr6-225–Pr6-228, 1999. View at Google Scholar · View at Scopus
  62. S. J. Cavanagh, B. Lohmann, J. Rasch, C. T. Whelan, and H. R. J. Walters, “Experimental and theoretical determination of the triple differential cross section for Kr(4p) electron-impact ionization,” Physical Review A, vol. 60, no. 4, pp. 2977–2982, 1999. View at Google Scholar · View at Scopus
  63. S. Keller, L. U. Ancarani, H. Ast, R. M. Dreizler, H. R. J. Walters, and C. T. Whelan, “Analysis of relativistic (e,2e) experiments in coplanar asymmetric geometry,” Journal De Physique IV, vol. 9, no. 6, pp. Pr6-215–Pr6-218, 1999. View at Google Scholar · View at Scopus
  64. S. Keller, R. M. Dreizler, L. U. Ancarani, H. Ast, H. R. J. Walters, and C. T. Whelan, “Interpretation of relativistic (e,2e) experiments in coplanar asymmetric geometry: atomic-number-dependent effects,” Physical Review A, vol. 59, no. 2-3, pp. 1284–1290, 1999. View at Google Scholar · View at Scopus
  65. Y. Khajuria and D. N. Tripathi, “Geometry effects on the (e,2e) triple differential cross sections of Li+, Na+, and K+,” Physical Review A, vol. 59, no. 2-3, pp. 1197–1207, 1999. View at Google Scholar · View at Scopus
  66. D. H. Madison, S. Jones, and A. Humberston, “Role of electron-electron correlation in (e,2e) reactions,” Journal De Physique IV, vol. 9, no. 6, pp. Pr6-31–Pr6-34, 1999. View at Google Scholar · View at Scopus
  67. I. Taouil, A. Duguet, A. Lahmam-Bennani et al., “(e, 2e) ionization of the 2p orbital of argon,” Journal of Physics B, vol. 32, no. 1, pp. L5–L11, 1999. View at Google Scholar · View at Scopus
  68. D. A. Biava, H. P. Saha, E. Engel et al., “Exchange effects in low energy electron impact ionization of the inner and outer shells of argon,” Journal of Physics B, vol. 35, no. 2, pp. 293–307, 2002. View at Publisher · View at Google Scholar · View at Scopus
  69. D. A. Biava, K. Bartschat, H. P. Saha, and D. H. Madison, “Accuracy of local exchange in the calculation of continuum wavefunctions,” Journal of Physics B, vol. 35, no. 24, pp. 5121–5130, 2002. View at Publisher · View at Google Scholar · View at Scopus
  70. R. I. Campeanu, R. P. McEachran, and A. D. Stauffer, “Distorted-wave models in positron impact ionization of atoms,” Nuclear Instruments and Methods in Physics Research, Section B, vol. 192, no. 1-2, pp. 146–149, 2002. View at Publisher · View at Google Scholar · View at Scopus
  71. M. Kampp, P. J. P. Roche, C. T. Whelan, D. H. Madison, J. Rasch, and H. R. J. Walters, “The electron impact ionization of magnesium (2p),” Journal of Physics B, vol. 35, no. 10, pp. 2325–2336, 2002. View at Publisher · View at Google Scholar · View at Scopus
  72. Y. Khajuria, L. Q. Chen, X. J. Chen, and K. Z. Xu, “The triple differential cross sections of ionic targets in the coplanar to perpendicular plane geometry,” Journal of Physics B, vol. 35, no. 1, pp. 93–110, 2002. View at Publisher · View at Google Scholar · View at Scopus
  73. Y. Khajuria, L. Q. Chen, X. J. Chen, and K. Z. Xu, “(e,2e) triple-differential cross sections of helium and argon at 64.6 eV,” Physical Review A, vol. 65, no. 4, Article ID 042706, 6 pages, 2002. View at Google Scholar · View at Scopus
  74. L. Q. Chen, Y. Khajuria, X. J. Chen, and K. Z. Xu, “Triple differential cross-sections of Ne (2S2) in coplanar to perpendicular plane geometry,” European Physical Journal D, vol. 26, no. 2, pp. 141–146, 2003. View at Publisher · View at Google Scholar · View at Scopus
  75. A. Prideaux and D. H. Madison, “Role of the postcollision interaction in electron-impact ionization of argon and krypton,” Physical Review A, vol. 67, no. 5, Article ID 052710, 8 pages, 2003. View at Google Scholar · View at Scopus
  76. G. Purohit, A. S. Bhullar, and K. K. Sud, “(e, 2e) Triple differential cross sections of He, Ne, Ar, Kr and Xe atoms in coplanar to perpendicular plane geometry,” Indian Journal of Physics B, vol. 77, no. 2, pp. 177–184, 2003. View at Google Scholar
  77. M. Kampp, S. Kawano, P. J. P. Roche et al., “On the observation of the fine structure effect in non-relativistic (e, 2e) processes,” European Physical Journal D, vol. 29, no. 1, pp. 17–19, 2004. View at Publisher · View at Google Scholar · View at Scopus
  78. A. Prideaux and D. H. Madison, “Doubly differential cross sections for ionization of xenon by spin-polarized electrons,” Journal of Physics B, vol. 37, no. 22, pp. 4423–4433, 2004. View at Publisher · View at Google Scholar · View at Scopus
  79. G. Purohit, R. Choubisa, V. Patidar, and K. K. Sud, “Spin asymmetry in (e, 2e) processes on Li, Be+, B+2 and C+3 targets by transversely polarized electrons,” Physica Scripta, vol. 69, no. 3, pp. 208–215, 2004. View at Publisher · View at Google Scholar · View at Scopus
  80. R. K. Chauhan, M. K. Srivastava, and R. Srivastava, “Triple differential cross sections of coplanar symmetric (e,2e) processes on calcium at low energies,” Physical Review A, vol. 71, no. 3, Article ID 032708, 5 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  81. M. Stevenson, G. J. Leighton, A. Crowe, K. Bartschat, O. K. Vorov, and D. H. Madison, “Experimental and theoretical (e, 2e) studies of argon (3p) ionization in asymmetric geometry,” Journal of Physics B, vol. 38, no. 4, pp. 433–440, 2005. View at Publisher · View at Google Scholar · View at Scopus
  82. F. Catoire, E. M. Staicu-Casagrande, M. Nekkab, C. Dal Cappello, K. Bartschat, and A. Lahmam-Bennani, “Investigation of the (e, 2e) single ionization of He and Ar at large energy loss close to minimum momentum transfer,” Journal of Physics B, vol. 39, no. 12, pp. 2827–2838, 2006. View at Publisher · View at Google Scholar · View at Scopus
  83. M. K. Srivastava, R. K. Chauhan, and R. Srivastava, “Coplanar doubly symmetric (e,2e) process on sodium and potassium,” Physical Review A, vol. 74, no. 6, Article ID 064701, 2006. View at Publisher · View at Google Scholar · View at Scopus
  84. K. K. Sud, G. Purohit, and A. S. Bhullar, “Electron dichroism effects in the relativistic (e, 2e) process for K-shell ionization of atoms,” Pramana, vol. 62, no. 5, pp. 1157–1166, 2004. View at Google Scholar · View at Scopus
  85. Y. Khajuria and P. C. Deshmukh, “Xe(4d) triple differential cross section: modified semiclassical exchange approximation in electron-atom collision,” Journal of Physics B, vol. 39, no. 3, pp. 569–576, 2006. View at Publisher · View at Google Scholar · View at Scopus
  86. R. Panajotovic, J. Lower, E. Weigold, A. Prideaux, and D. H. Madison, “(e,2e) measurements on xenon: reexamination of the fine-structure effect,” Physical Review A, vol. 73, no. 5, Article ID 052701, 2006. View at Publisher · View at Google Scholar · View at Scopus
  87. Y. Khajuria, S. Sunil Kumar, and P. C. Deshmukh, “(e,2e) triple differential cross section of Mg in coplanar symmetric geometry,” Physical Review A, vol. 75, no. 2, Article ID 022708, 2007. View at Publisher · View at Google Scholar · View at Scopus
  88. S. Sunil Kumar, Y. Khajuria, and P. C. Deshmukh, “(e, 2e) study of Ca in coplanar symmetric geometry at low impact energies using distorted wave born approximation,” Journal of Physics: Conference Series, vol. 80, no. 1, Article ID 012021, 2007. View at Publisher · View at Google Scholar · View at Scopus
  89. E. M. Staicu Casagrande, F. Catoire, A. Naja et al., “New coplanar (e,2e) experiments for the ionisation of He and Ar atoms,” Journal of Electron Spectroscopy and Related Phenomena, vol. 161, no. 1–3, pp. 27–30, 2007. View at Publisher · View at Google Scholar · View at Scopus
  90. S. Bellm, J. Lower, R. P. McEachran, E. Weigold, C. Ryan-Anderson, and D. H. Madison, “Spin- and fine-structure-resolved ionization of krypton,” Physical Review A, vol. 78, no. 6, Article ID 062707, 2008. View at Publisher · View at Google Scholar · View at Scopus
  91. P. Bolognesi, L. Pravica, S. Veronesi et al., “Mg 2p ionization by electron impact,” Physical Review A, vol. 77, no. 5, Article ID 054704, 2008. View at Publisher · View at Google Scholar · View at Scopus
  92. R. Dey, A. C. Roy, and C. Dal Cappello, “Electron impact single ionization of helium with large energy transfer,” Nuclear Instruments and Methods in Physics Research, Section B, vol. 266, no. 2, pp. 242–249, 2008. View at Publisher · View at Google Scholar · View at Scopus
  93. U. Hitawala, G. Purohit, and K. K. Sud, “(e, 2e) triple differential cross sections of alkali and alkali earth atoms: Na, K and Mg, Ca,” Journal of Physics B, vol. 41, no. 3, Article ID 035205, 2008. View at Publisher · View at Google Scholar · View at Scopus
  94. Y. Khajuria and P. C. Deshmukh, “(e,2e) study of Ca in coplanar symmetric geometry,” Physical Review A, vol. 78, no. 2, Article ID 024702, 2008. View at Publisher · View at Google Scholar · View at Scopus
  95. A. S. Kheifets, A. Naja, E. M. S. Casagrande, and A. Lahmam-Bennani, “DWBA-G calculations of electron impact ionization of noble gas atoms,” Journal of Physics B, vol. 41, no. 14, Article ID 145201, 2008. View at Publisher · View at Google Scholar · View at Scopus
  96. A. S. Kheifets, A. Naja, E. M. S. Casagrande, and A. Lahmam-Bennani, “DWBA-G calculations of electron impact ionization of noble gas atoms,” Journal of Physics B, vol. 41, no. 20, Article ID 209801, 2008. View at Publisher · View at Google Scholar · View at Scopus
  97. J. M. Martinez, H. R. J. Walters, and C. T. Whelan, “The electron impact ionization of one- and two-electron atoms and ions close to the ionization threshold,” Journal of Physics B, vol. 41, no. 6, Article ID 065202, 2008. View at Publisher · View at Google Scholar · View at Scopus
  98. A. Naja, E. M. S. Casagrande, A. Lahmam-Bennani et al., “(e, 2e) triple differential cross-sections for ionization beyond helium: the neon case at large energy transfer,” Journal of Physics B, vol. 41, Article ID 085205, 8 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  99. Y. Khajuria, S. Sunil Kumar, and P. C. Deshmukh, “Triple differential cross section in (e, 2e) collisions for atomic potassium,” Physics Letters A, vol. 373, no. 48, pp. 4442–4446, 2009. View at Publisher · View at Google Scholar · View at Scopus
  100. M. A. Stevenson, L. R. Hargreaves, B Lohmann et al., “Fully differential cross-section measurements for electron-impact ionization of neon and xenon,” Physical Review A, vol. 79, no. 1, Article ID 012709, 8 pages, 2009. View at Publisher · View at Google Scholar
  101. M. Brauner, J. S. Briggs, and H. Klar, “Triply-differential cross sections for ionisation of hydrogen atoms by electrons and positrons,” Journal of Physics B, vol. 22, no. 14, pp. 2265–2287, 1989. View at Publisher · View at Google Scholar · View at Scopus
  102. P. J. Redmond, unpublished .
  103. L. Rosenberg, “Variational methods in charged-particle collision theory,” Physical Review D, vol. 8, no. 6, pp. 1833–1843, 1973. View at Publisher · View at Google Scholar
  104. E. O. Alt and A. M. Mukhamedzhanov, “Asymptotic solution of the Schrödinger equation for three charged particles,” Physical Review A, vol. 47, no. 3, pp. 2004–2022, 1993. View at Publisher · View at Google Scholar · View at Scopus
  105. J. Berakdar, “Approximate analytical solution of the quantum-mechanical three-body Coulomb continuum problem,” Physical Review A, vol. 53, no. 4, pp. 2314–2326, 1996. View at Google Scholar · View at Scopus
  106. A. M. Mukhamedzhanov and M. Lieber, “Asymptotic wave function for three charged particles in the continuum,” Physical Review A, vol. 54, no. 4, pp. 3078–3085, 1996. View at Google Scholar · View at Scopus
  107. Y. Qiu, J.-Z. Tang, J. Burgdörfer, and J. Wang, “Double photoionization of helium from threshold to high energies,” Physical Review A, vol. 57, no. 3, pp. R1489–R1492, 1998. View at Google Scholar · View at Scopus
  108. J. Botero and J. H. Macek, “Threshold angular distributions of (e, 2e) cross sections of helium atoms,” Physical Review Letters, vol. 68, no. 5, pp. 576–579, 1992. View at Publisher · View at Google Scholar · View at Scopus
  109. S. J. Ward and J. H. Macek, “Wave functions for continuum states of charged fragments,” Physical Review A, vol. 49, no. 2, pp. 1049–1056, 1994. View at Publisher · View at Google Scholar · View at Scopus
  110. O. Al-Hagan, C. Kaiser, D. Madison, and A. J. Murray, “Atomic and molecular signatures for charged-particle ionization,” Nature Physics, vol. 5, no. 1, pp. 59–63, 2009. View at Publisher · View at Google Scholar · View at Scopus
  111. D. S. F. Crothers and J. F. McCann, “Ionisation of atoms by ion impact,” Journal of Physics B, vol. 16, no. 17, pp. 3229–3242, 1983. View at Publisher · View at Google Scholar · View at Scopus
  112. S. Jones and D. H. Madison, “Evidence of initial-state two-center effects for (e, 2e) reactions,” Physical Review Letters, vol. 81, no. 14, pp. 2886–2889, 1998. View at Google Scholar · View at Scopus
  113. S. Jones and D. H. Madison, “Ionization of hydrogen atoms by fast electrons,” Physical Review A, vol. 62, no. 4, Article ID 042701, 10 pages, 2000. View at Publisher · View at Google Scholar · View at Scopus
  114. D. Madison, M. Schulz, S. Jones, M. Foster, R. Moshammer, and J. Ullrich, “Comparison of theoretical and absolute experimental fully differential cross sections for ion-atom impact ionization,” Journal of Physics B, vol. 35, no. 15, pp. 3297–3314, 2002. View at Publisher · View at Google Scholar · View at Scopus
  115. D. H. Madison, D. Fischer, M. Foster et al., “Probing scattering wave functions close to the nucleus,” Physical Review Letters, vol. 91, no. 25, Article ID 253201, pp. 1–4, 2003. View at Google Scholar · View at Scopus
  116. M. Foster, D. H. Madison, J. L. Peacher et al., “Fully differential cross sections for C6+ single ionization of helium,” Journal of Physics B, vol. 37, no. 8, pp. 1565–1580, 2004. View at Publisher · View at Google Scholar · View at Scopus
  117. A. Salin, “Helium ionisation by high-energy ions at a function of impact parameter and projectile scattering angle,” Journal of Physics B, vol. 22, no. 23, pp. 3901–3914, 1989. View at Publisher · View at Google Scholar · View at Scopus
  118. H. Fukuda, I. Shimamura, L. Vegh, and T. Watanabe, “Proton angular distributions and highly differential cross sections for ionization of helium by proton impact,” Physical Review A, vol. 44, no. 3, pp. 1565–1576, 1991. View at Publisher · View at Google Scholar · View at Scopus
  119. H. Fukuda, T. Watanabe, I. Shimamura, and L. Vegh, “Energy and angular distributions of electrons emitted and ions recoiled in proton-impact ionization of helium atoms,” Nuclear Instruments and Methods in Physics Research B, vol. 53, no. 4, pp. 410–415, 1991. View at Google Scholar · View at Scopus
  120. X. Fang and J. F. Reading, “Projectile angular dependence of the ratio of double to single ionization of helium by fast proton impact,” Nuclear Instruments and Methods in Physics Research B, vol. 53, no. 4, pp. 453–471, 1991. View at Google Scholar · View at Scopus
  121. V. D. Rodrıguez and R. O. Barrachina, “Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy,” Physical Review A, vol. 57, no. 1, pp. 215–220, 1998. View at Google Scholar · View at Scopus
  122. R. Moshammer, A. Perumal, M. Schulz et al., “Three-body Coulomb problem probed by mapping the Bethe surface in ionizing ion-atom collisions,” Physical Review Letters, vol. 87, no. 22, Article ID 223201, pp. 1–4, 2001. View at Google Scholar · View at Scopus
  123. J. Fiol, V. D. Rodrıguez, and R. O. Barrachina, “Electron capture to the continuum by proton and positron impact,” Journal of Physics B, vol. 34, no. 5, pp. 933–944, 2001. View at Publisher · View at Google Scholar · View at Scopus
  124. M. Schulz, R. Moshammer, A. N. Perumal, and J. Ullrich, “Triply differential single-ionization cross sections in fast ion-atom collisions at large perturbation,” Journal of Physics B, vol. 35, no. 7, pp. L161–L166, 2002. View at Publisher · View at Google Scholar · View at Scopus
  125. L. Gulyas, P. D. Fainstein, and A. Salin, “CDW-EIS theory of ionization by ion impact with Hartree-Fock description of the target,” Journal of Physics B, vol. 28, pp. 245–257, 1995. View at Google Scholar
  126. J. Rasch, C. T. Whelan, S. P. Lucey, C. Dal Cappello, and H. R. J. Walters, “6-dimensional integrals and supercomputers,” Computer Physics Communications, vol. 114, no. 1–3, pp. 378–384, 1998. View at Google Scholar · View at Scopus
  127. F. W. Byron Jr., C. J. Joachain, and B. Piraux, “Eikonal-Born series theory of (e, 2e) reactions in atomic hydrogen,” Journal of Physics B, vol. 18, no. 15, pp. 3203–3218, 1985. View at Publisher · View at Google Scholar · View at Scopus
  128. P. J. Marchalant, J. Rasch, C. T. Whelan, D. H. Madison, and H. R. J. Walters, “First and second Born calculations of (e, 2e) excitation-ionization of helium,” Journal of Physics B, vol. 32, no. 24, pp. L705–L710, 1999. View at Publisher · View at Google Scholar · View at Scopus
  129. P. J. Marchalant, B. Rouvellou, J. Rasch et al., “Excitation-ionization of helium to He+(n=2) at 365.8 eV,” Journal of Physics B, vol. 33, no. 20, pp. L749–L754, 2000. View at Publisher · View at Google Scholar · View at Scopus
  130. P. J. Marchalant, C. T. Whelan, and H. R. J. Walters, “Second-order effects in (e, 2e) excitation-ionization of helium to He+(n=2),” Journal of Physics B, vol. 31, no. 6, pp. 1141–1178, 1998. View at Google Scholar · View at Scopus
  131. R. H. G. Reid, K. Bartschat, and A. Raeker, “Initial-state, final-state and higher-order effects in electron impact ionization of helium atoms,” Journal of Physics B, vol. 31, no. 3, pp. 563–571, 1998. View at Google Scholar · View at Scopus
  132. R. H. G. Reid, K. Bartschat, and A. Raeker, “Corrigendum: initial-state, final-state and higher-order effects in electron impact ionization of helium atoms,” Journal of Physics B, vol. 33, pp. 5261–5262, 2000. View at Publisher · View at Google Scholar
  133. Y. Fang and K. Bartschat, “Convergent second-order calculations for simultaneous electron-impact ionization-excitation of helium,” Journal of Physics B, vol. 34, no. 2, pp. L19–L25, 2001. View at Publisher · View at Google Scholar · View at Scopus
  134. K. Bartschat and O. Vorov, “Channel-coupling, target-structure, and second-order effects in electron-impact ionization of Ar(3p ) and Ar(3s ),” Physical Review A, vol. 72, no. 2, Article ID 022728, 7 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  135. Z. Chen, D. H. Madison, C. T. Whelan, and H. R. J. Walters, “Second-order distorted wave calculation for electron impact ionization of hydrogen,” Journal of Physics B, vol. 37, no. 5, pp. 981–995, 2004. View at Google Scholar · View at Scopus
  136. Z. Chen and D. H. Madison, “Second-order distorted wave calculation for electron-impact ionization of helium to He+ (n=1 and 2 ),” Journal of Physics B, vol. 38, no. 23, pp. 4195–4209, 2005. View at Publisher · View at Google Scholar · View at Scopus
  137. Z. Chen, D. H. Madison, and K. Bartschat, “Investigation of the closure and simplified Green's function approximations in second-order distorted-wave calculations for the (e, 2e) processes,” Journal of Physics B, vol. 40, no. 12, pp. 2333–2344, 2007. View at Publisher · View at Google Scholar · View at Scopus
  138. E. Weigold and I. E. McCarthy, Electron Momentum Spectroscopy, Kluwer Academic/Plenum Publishers, New York, NY, USA, 1999.
  139. A. Lahmam-Bennani, I. Taouil, A. Duguet, M. Lecas, L. Avaldi, and J. Berakdar, “Origin of dips and peaks in the absolute fully resolved cross sections for the electron-impact double ionization of He,” Physical Review A, vol. 59, no. 5, pp. 3548–3555, 1999. View at Google Scholar · View at Scopus
  140. P. Week, B. Joulakian, and P. A. Hervieux, “Fivefold differential cross section of fast (e, 2e) ionization of H2, D2, and T2 by a Franck-Condon approach,” Physical Review A, vol. 60, no. 4, pp. 3013–3019, 1999. View at Google Scholar · View at Scopus
  141. P. Weck, O. A. Fojón, J. Hanssen, B. Joulakian, and R. D. Rivarola, “Two-effective center approximation for the single ionization of molecular hydrogen by fast electron impact,” Physical Review A, vol. 63, no. 4, Article ID 042709, 6 pages, 2001. View at Publisher · View at Google Scholar · View at Scopus
  142. C. Champion, J. Hanssen, and P. A. Hervieux, “Influence of molecular orientation on the multiple differential cross sections for the (e, 2e) process on a water molecule,” Physical Review A, vol. 63, no. 5, Article ID 052720, 9 pages, 2001. View at Google Scholar · View at Scopus
  143. F. Elboudali and B. Joulakian, “Two-centre partial-wave calculations for the multiply differential cross section of the simple ionization of diatomic lithium Li2 by fast electron impact,” Journal of Physics B, vol. 34, no. 23, pp. 4877–4888, 2001. View at Publisher · View at Google Scholar · View at Scopus
  144. V. V. Serov, V. L. Derbov, B. B. Joulakian, and S. I. Vinitsky, “Wave-packet evolution approach to ionization of the hydrogen molecular ion by fast electrons,” Physical Review A, vol. 63, no. 6, Article ID 062711, 8 pages, 2001. View at Google Scholar · View at Scopus
  145. C. Champion, J. Hanssen, and P. A. Hervieux, “Theoretical differential and total cross sections of water-molecule ionization by electron impact,” Physical Review A, vol. 65, no. 2, Article ID 022710, 9 pages, 2002. View at Google Scholar · View at Scopus
  146. C. Champion, J. Hanssen, and P. A. Hervieux, “Electron impact ionization of water molecule,” Journal of Chemical Physics, vol. 117, no. 1, pp. 197–204, 2002. View at Publisher · View at Google Scholar · View at Scopus
  147. M. J. Hussey and A. J. Murray, “Low energy (e, 2e) differential cross-section measurements on the 3σg and 1πu molecular orbitals of N2,” Journal of Physics B, vol. 35, no. 16, pp. 3399–3409, 2002. View at Publisher · View at Google Scholar · View at Scopus
  148. V. V. Serov, B. B. Joulakian, D. V. Pavlov, I. V. Puzynin, and S. I. Vinitsky, “(e, 2e) ionization of H2+ by fast electron impact: application of the exact nonrelativistic two-center continuum wave,” Physical Review A, vol. 65, no. 6, Article ID 62708, 7 pages, 2002. View at Google Scholar · View at Scopus
  149. C. R. Stia, O. A. Fojón, P. F. Weck, J. Hanssen, B. Joulakian, and R. D. Rivarola, “Molecular three-continuum approximation for ionization of H2 by electron impact,” Physical Review A, vol. 66, no. 5, Article ID 052709, 8 pages, 2002. View at Publisher · View at Google Scholar
  150. P. F. Weck, O. A. Fojón, B. Joulakian, C. R. Stia, J. Hanssen, and R. D. Rivarola, “Two-center continuum approximation with correct boundary conditions for single-electron emission in e+H2 collisions,” Physical Review A, vol. 66, no. 1, Article ID 012711, 8 pages, 2002. View at Google Scholar · View at Scopus
  151. O. A. Fojón, C. R. Stia, P. F. Weck, J. Hanssen, B. Joulakian, and R. D. Rivarola, “Ionization of molecular hydrogen by electron impact,” Institute of Physics, vol. 172, pp. 11–20, 2003. View at Google Scholar
  152. S. Houamer, A. Mansouri, C. Dal Cappello et al., “Second Born approximation for the ionization of H2 by electron impact,” Journal of Physics B, vol. 36, no. 14, pp. 3009–3024, 2003. View at Publisher · View at Google Scholar · View at Scopus
  153. C. Champion, J. Hanssen, and P.-A. Hervieux, “Differential and total (e, 2e) cross sections of simple polyatomic molecules,” Journal of Chemical Physics, vol. 121, no. 19, pp. 9423–9429, 2004. View at Publisher · View at Google Scholar · View at Scopus
  154. O. Chuluunbaatar, B. B. Joulakian, K. Tsookhuu, and S. I. Vinitsky, “Modified two-centre continuum wavefunction: application to the dissociative ionization of H+2 by fast electrons,” Journal of Physics B, vol. 37, no. 12, pp. 2607–2616, 2004. View at Publisher · View at Google Scholar · View at Scopus
  155. D. S. Milne-Brownlie, S. J. Cavanagh, B. Lohmann, C. Champion, P. A. Hervieux, and J. Hanssen, “Dynamics in electron-impact ionization of H2O,” Physical Review A, vol. 69, no. 3, Article ID 032701, 4 pages, 2004. View at Publisher · View at Google Scholar · View at Scopus
  156. J. Gao, D. H. Madison, and J. L. Peacher, “Fully differential cross sections for low-energy electron-impact ionization of nitrogen molecules,” Physical Review A, vol. 72, no. 2, Article ID 020701, 4 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  157. J. Gao, D. H. Madison, and J. L. Peacher, “Distorted wave born and three-body distorted wave born approximation calculations of the fully differential cross section for electron-impact ionization of nitrogen molecules,” Journal of Chemical Physics, vol. 123, no. 20, Article ID 204314, 6 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  158. J. Gao, D. H. Madison, and J. L. Peacher, “Interference effects for low-energy electron-impact ionization of nitrogen molecules,” Physical Review A, vol. 72, no. 3, 5 pages, 2005. View at Publisher · View at Google Scholar
  159. J. Gao, J. L. Peacher, and D. H. Madison, “An elementary method for calculating orientation-averaged fully differential electron-impact ionization cross sections for molecules,” Journal of Chemical Physics, vol. 123, no. 20, Article ID 204302, 4 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  160. M. J. Hussey and A. J. Murray, “Low energy (e, 2e) differential cross-section measurements on the 1πu and 4σg molecular orbitals of CO2,” Journal of Physics B, vol. 38, no. 16, pp. 2965–2977, 2005. View at Publisher · View at Google Scholar · View at Scopus
  161. A. J. Murray, “(e, 2e) studies of H2 in the intermediate energy regime,” Journal of Physics B, vol. 38, no. 12, pp. 1999–2013, 2005. View at Publisher · View at Google Scholar · View at Scopus
  162. V. V. Serov, B. B. Joulakian, V. L. Derbov, and S. I. Vinitsky, “Ionization excitation of diatomic systems having two active electrons by fast electron impact: a probe to electron correlation,” Journal of Physics B, vol. 38, no. 15, pp. 2765–2773, 2005. View at Publisher · View at Google Scholar · View at Scopus
  163. C. Dal Cappello, A. Mansouri, S. Houamer, and B. Joulakian, “Second-order effects in (e, 2e) ionization-excitation of H2,” Journal of Physics B, vol. 39, no. 11, pp. 2431–2443, 2006. View at Publisher · View at Google Scholar · View at Scopus
  164. J. Gao, D. H. Madison, and J. L. Peacher, “Theoretical calculation of fully differential cross sections for electron-impact ionization of hydrogen molecules,” Journal of Physics B, vol. 39, pp. 1275–1284, 2006. View at Publisher · View at Google Scholar
  165. J. Gao, D. H. Madison, J. L. Peacher, A. J. Murray, and M. J. Hussey, “Experimental and theoretical (e, 2e) ionization cross sections for a hydrogen target at 75.3 eV incident energy in a coplanar asymmetric geometry,” Journal of Chemical Physics, vol. 124, no. 19, Article ID 194306, 2006. View at Publisher · View at Google Scholar
  166. D. S. Milne-Brownlie, M. Foster, J. Gao, B. Lohmann, and D. H. Madison, “Young-type interference in (e, 2e) ionization of H2,” Physical Review Letters, vol. 96, no. 23, Article ID 233201, 4 pages, 2006. View at Publisher · View at Google Scholar · View at Scopus
  167. A. J. Murray, M. J. Hussey, J. Gao, and D. H. Madison, “(e, 2e) ionization measurements from the 3σg and 2σ states of N2—comparison between experiment and theoretical predictions of the effects of exchange, polarization and interference,” Journal of Physics B, vol. 39, no. 18, pp. 3945–3956, 2006. View at Google Scholar · View at Scopus
  168. C. Kaiser, D. Spieker, J. Gao, M. Hussey, A. Murray, and D. H. Madison, “Coplanar symmetric and asymmetric electron impact ionization studies from the 1b1 state of H2O at low to intermediate impact energies,” Journal of Physics B, vol. 40, no. 13, pp. 2563–2576, 2007. View at Publisher · View at Google Scholar · View at Scopus
  169. A. J. Murray, M. J. Hussey, C. Kaiser, J. Gao, J. L. Peacher, and D. H. Madison, “Electron impact ionization of molecules at low to intermediate energies—a search for Young's double slit type interferences,” Journal of Electron Spectroscopy and Related Phenomena, vol. 161, no. 1–3, pp. 11–16, 2007. View at Publisher · View at Google Scholar · View at Scopus
  170. A. Naja, E. M. Staicu-Casagrande, A. Lahmam-Bennani et al., “Triply differential (e, 2e) cross sections for ionization of the nitrogen molecule at large energy transfer,” Journal of Physics B, vol. 40, no. 18, pp. 3775–3783, 2007. View at Publisher · View at Google Scholar · View at Scopus
  171. V. V. Serov, V. L. Derbov, B. B. Joulakian, and S. I. Vinitsky, “Wave-packet-evolution approach for single and double ionization of two-electron systems by fast electrons,” Physical Review A, vol. 75, no. 1, Article ID 012715, 9 pages, 2007. View at Publisher · View at Google Scholar
  172. E. M. Staicu-Casagrande, A. Naja, X. G. Ren et al., “Coincidence angular correlation in electron impact single or double ionisation of atoms and molecules,” Journal of Physics, vol. 88, no. 1, Article ID 012010, 7 pages, 2007. View at Publisher · View at Google Scholar · View at Scopus
  173. C. Champion, O. Boudrioua, and D. Dal Cappello, “Water molecule ionization by charged particles: a short review,” Journal of Physics, vol. 101, Article ID 012010, 10 pages, 2008. View at Publisher · View at Google Scholar
  174. O. Chuluunbaatar, B. B. Joulakian, I. V. Puzynin, Kh. Tsookhuu, and S. I. Vinitsky, “Modified two-centre continuum wavefunction: application to the dissociative double ionization of H2 by electron impact,” Journal of Physics B, vol. 41, no. 1, Article ID 015204, 6 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  175. E. M. Staicu-Casagrande, A. Naja, F. Mezdari et al., “(e, 2e) ionization of helium and the hydrogen molecule: signature of two-centre interference effects,” Journal of Physics B, vol. 41, no. 2, Article ID 025204, 7 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  176. E. M. Staicu-Casagrande, A. Naja, A. Lahmam-Bennani, A. S. Kheifets, D. H. Madison, and B. Joulakian, “New (e, 2e) studies of atomic and molecular targets,” Journal of Physics, vol. 141, Article ID 012016, 7 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  177. J. Colgan, M. S. Pindzola, F. Robicheaux, C. Kaiser, A. J. Murray, and D. H. Madison, “Differential cross sections for the ionization of oriented H2 molecules by electron impact,” Physical Review Letters, vol. 101, no. 23, Article ID 233201, 4 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  178. J. Colgan, O. Al-Hagan, D. H. Madison, C. Kaiser, A. J. Murray, and M. S. Pindzola, “Triple differential cross sections for the electron-impact ionization of H2 molecules for equal and unequal outgoing electron energies,” Physical Review A, vol. 79, no. 5, Article ID 052704, 7 pages, 2009. View at Publisher · View at Google Scholar · View at Scopus
  179. J. Colgan, O. Al-Hagan, D. H. Madison, A. J. Murray, and M. S. Pindzola, “Deep interference minima in non-coplanar triple differential cross sections for the electron-impact ionization of small atoms and molecules,” Journal of Physics B, vol. 42, no. 17, Article ID 171001, 6 pages, 2009. View at Publisher · View at Google Scholar · View at Scopus
  180. I. Kada, A. Mansouri, C. Dal Cappello, P. A. Hervieux, and A. C. Roy, “Ab initio calculation of differential cross sections for the double ionization of water vapour by electron impact,” Journal of Physics B, vol. 42, no. 2, Article ID 025201, 9 pages, 2009. View at Publisher · View at Google Scholar · View at Scopus
  181. A. Mansouri, C. Dal Cappello, I. Kada, C. Champion, and A. C. Roy, “(e, 3e) and (e,3−1e) differential cross sections for the double ionization of water molecule,” Physics Letters A, vol. 373, no. 35, pp. 3151–3157, 2009. View at Publisher · View at Google Scholar · View at Scopus
  182. I. E. McCarthy and E. Weigold, “(e, 2e) spectroscopy,” Physics Reports, vol. 27, no. 6, pp. 275–371, 1976. View at Google Scholar · View at Scopus
  183. I. E. McCarthy and E. Weigold, “Wavefunction mapping in collision experiments,” Reports on Progress in Physics, vol. 51, no. 3, pp. 299–392, 1988. View at Publisher · View at Google Scholar · View at Scopus
  184. I. E. McCarthy and A. M. Rossi, “Momentum-space calculation of electron-molecule scattering,” Physical Review A, vol. 49, no. 6, pp. 4645–4652, 1994. View at Publisher · View at Google Scholar · View at Scopus
  185. F. Robicheaux, “Electron impact ionization of H+2,” Journal of Physics B, vol. 29, no. 4, pp. 779–790, 1996. View at Google Scholar · View at Scopus
  186. H. Deutsch, K. Becker, R. Basner, M. Schmidt, and T. D. Märk, “Application of the modified additivity rule to the calculation of electron-impact ionization cross sections of complex molecules,” Journal of Physical Chemistry A, vol. 102, no. 45, pp. 8819–8826, 1998. View at Google Scholar · View at Scopus
  187. S. Rioual, G. Nguyen Vien, and A. Pochat, “Ionization in coplanar symmetric (e, 2e) experiments of N2 and CO at intermediate energies,” Physical Review A, vol. 54, no. 6, pp. 4968–4977, 1996. View at Google Scholar · View at Scopus
  188. A. L. Monzani, L. E. Machado, M.-T. Lee, and A. M. Machado, “Intermediate-energy electron-impact ionization of molecules,” Physical Review A, vol. 60, no. 1, pp. R21–R24, 1999. View at Google Scholar · View at Scopus
  189. M. Chérid, A. Lahmam-Bennani, A. Duguet et al., “Triple differential cross sections for molecular hydrogen, both under Bethe ridge conditions and in the dipolar regime. Experiments and theory,” Journal of Physics B, vol. 22, no. 21, pp. 3483–3499, 1989. View at Publisher · View at Google Scholar · View at Scopus
  190. J. B. Furness and I. E. McCarthy, “Semiphenomenological optical model for electron scattering on atoms,” Journal of Physics B, vol. 6, no. 11, pp. 2280–2291, 1973. View at Publisher · View at Google Scholar · View at Scopus
  191. M. E. Riley and D. G. Truhlar, “Approximations for the exchange potential in electron scattering,” The Journal of Chemical Physics, vol. 63, no. 5, pp. 2182–2191, 1975. View at Google Scholar · View at Scopus
  192. J. P. Perdew and A. Zunger, “Self-interaction correction to density-functional approximations for many-electron systems,” Physical Review B, vol. 23, no. 10, pp. 5048–5079, 1981. View at Publisher · View at Google Scholar · View at Scopus
  193. N. T. Padial and D. W. Norcross, “Parameter-free model of the correlation-polarization potential for electron-molecule collisions,” Physical Review A, vol. 29, no. 4, pp. 1742–1748, 1984. View at Publisher · View at Google Scholar · View at Scopus
  194. J. Rasch, C. T. Whelan, R. J. Allan, and H. R. J. Watlers, “An explanation of the structure observed in out-of-plane symmetric measurements on Helium,” in Coincidence Studies of Electron and Photon Impact ionization, Whelan and Walters, Eds., p. 185, Plenum Press, New York, NY, USA, 1997. View at Google Scholar
  195. L. R. Hargreaves, C. Colyer, M. A. Stevenson et al., “(e, 2e) study of two-center interference effects in the ionization of N2,” Physical Review A, vol. 80, no. 6, Article ID 062704, 7 pages, 2009. View at Publisher · View at Google Scholar · View at Scopus
  196. K. L. Nixon, A. J. Murray, O. Al-Hagan, D. H. Madison, and C. Ning, “Low-energy symmetric coplanar and symmetric non-coplanar (e, 2e) studies from the 3a1 state of H2O,” Journal of Physics B, vol. 43, no. 3, Article ID 035201, 7 pages, 2010. View at Publisher · View at Google Scholar · View at Scopus
  197. C. J. Colyer, M. A. Stevenson, O. Al-Hagan, D. H. Madison, C. G. Ning, and B. Lohmann, “Dynamical (e, 2e) studies of formic acid,” Journal of Physics B, vol. 42, no. 23, Article ID 235207, 6 pages, 2009. View at Publisher · View at Google Scholar · View at Scopus
  198. K. L. Nixon, W. D. Lawrance, and M. J. Brunger, “Electron momentum spectroscopy of formic acid,” Chemical Physics Letters, vol. 474, no. 1–3, pp. 23–27, 2009. View at Publisher · View at Google Scholar · View at Scopus