Advertisement

Absolute total cross sections for electron-impact double ionization of He(1s2s3S) and He(1s2s2p4P)

  • Matthieu GénévriezEmail author
  • Pierre Defrance
  • Jozo J. Jureta
  • Xavier Urbain
Regular Article
Part of the following topical collections:
  1. Topical Issue: Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces (2018)

Abstract

We report on the experimental determination of absolute, total cross sections for electron-impact double ionization of helium in its metastable 1s2s3S state and of the helium negative ion He(1s2s2p4P). Cross sections are measured for impact energies ranging from threshold to 1000 eV using the animated crossed beams technique. The fast, pure beam of metastable helium required for the experiment is produced by photodetachment of fast He ions. Results for He(1s2s3S) are compared to those for He(1s21S), and exhibit similar magnitude and behaviour. The cross section for He is large compared to other negative ions and indicates the predominance of indirect ionization channels at large impact energies.

Graphical abstract

References

  1. 1.
    M. Hahn, A. Müller, D.W. Savin, Astrophys. J. 850, 122 (2017) ADSCrossRefGoogle Scholar
  2. 2.
    A. Dorn, R. Moshammer, C.D. Schröter, T.J.M. Zouros, W. Schmitt, H. Kollmus, R. Mann, J. Ullrich, Phys. Rev. Lett. 82, 2496 (1999) ADSCrossRefGoogle Scholar
  3. 3.
    I. Taouil, A. Lahmam-Bennani, A. Duguet, L. Avaldi, Phys. Rev. Lett. 81, 4600 (1998) ADSCrossRefGoogle Scholar
  4. 4.
    C. Dal Cappello, R. El Mkhanter, P. Hervieux, Phys. Rev. A 57, R693 (1998) ADSCrossRefGoogle Scholar
  5. 5.
    A. Dorn, A. Kheifets, C.D. Schröter, B. Najjari, C. Höhr, R. Moshammer, J. Ullrich, Phys. Rev. Lett. 86, 3755 (2001) ADSCrossRefGoogle Scholar
  6. 6.
    J. Berakdar, A. Lahmam-Bennani, C. Dal Cappello, Phys. Rep. 374, 91 (2003) ADSCrossRefGoogle Scholar
  7. 7.
    M.S. Pindzola, F. Robicheaux, J. Colgan, J. Phys. B: At. Mol. Opt. Phys. 39, L127 (2006) ADSCrossRefGoogle Scholar
  8. 8.
    P. Liu, J. Zeng, J. Yuan, J. Phys. B: At. Mol. Opt. Phys. 51, 075202 (2018) ADSCrossRefGoogle Scholar
  9. 9.
    M.B. Shah, D.S. Elliott, P. McCallion, H.B. Gilbody, J. Phys. B: At. Mol. Opt. Phys. 21, 2751 (1988) ADSCrossRefGoogle Scholar
  10. 10.
    E. Bahati, H. Cherkani-Hassani, P. Defrance, J.J. Jureta, T. Kereselidze, Z. Machavariani, I. Noselidze, J. Phys. B: At. Mol. Opt. Phys. 38, 1261 (2005) ADSCrossRefGoogle Scholar
  11. 11.
    A. Kramida, Y. Ralchenko, J. Reader, NIST ASD Team, NIST Atomic Spectra Database (2016), http://www.nist.gov/pml/data/asd.cfm
  12. 12.
    S.S. Hodgman, R.G. Dall, L.J. Byron, K.G.H. Baldwin, S.J. Buckman, A.G. Truscott, Phys. Rev. Lett. 103, 053002 (2009) ADSCrossRefGoogle Scholar
  13. 13.
    P. Reinhed, A. Orbán, J. Werner, S. Rosén, R.D. Thomas, I. Kashperka, H.A.B. Johansson, D. Misra, L. Brännholm, M. Björkhage et al., Phys. Rev. Lett. 103, 213002 (2009) ADSCrossRefGoogle Scholar
  14. 14.
    P. Kristensen, U.V. Pedersen, V.V. Petrunin, T. Andersen, K.T. Chung, Phys. Rev. A 55, 978 (1997) ADSCrossRefGoogle Scholar
  15. 15.
    M. Génévriez, J.J. Jureta, P. Defrance, X. Urbain, Phys. Rev. A 96, 010701 (2017) CrossRefGoogle Scholar
  16. 16.
    J. Lecointre, D.S. Belic, H. Cherkani-Hassani, J.J. Jureta, P. Defrance, J. Phys. B: At. Mol. Opt. Phys. 39, 3275 (2006) ADSCrossRefGoogle Scholar
  17. 17.
    T.J. Gay, in Atomic, Molecular, and Optical Physics: Atoms and Molecules, edited by F. Dunning, R.G. Hulet (Academic Press, 1996), Vol. 29, Part B, Chap. 6, pp. 95–114 Google Scholar
  18. 18.
    P. Defrance, F. Brouillard, W. Claeys, G. van Wassenhove, J. Phys. B: At. Mol. Phys. 14, 103 (1981) ADSCrossRefGoogle Scholar
  19. 19.
    M. Zambra, D. Belic, P. Defrance, D.J. Yu, J. Phys. B: At. Mol. Opt. Phys. 27, 2383 (1994) ADSCrossRefGoogle Scholar
  20. 20.
    A. Emmanouilidou, T. Schneider, J.M. Rost, J. Phys. B: At. Mol. Opt. Phys. 36, 2717 (2003) ADSCrossRefGoogle Scholar
  21. 21.
    F.W. Byron, C.J. Joachain, Phys. Rev. 164, 1 (1967) ADSCrossRefGoogle Scholar
  22. 22.
    J.A.R. Samson, W.C. Stolte, Z.X. He, J.N. Cutler, Y. Lu, R.J. Bartlett, Phys. Rev. A 57, 1906 (1998) ADSCrossRefGoogle Scholar
  23. 23.
    C. Bélenger, P. Defrance, E. Salzborn, V.P. Shevelko, H. Tawara, D.B. Uskov, J. Phys. B: At. Mol. Opt. Phys. 30, 2667 (1997) ADSCrossRefGoogle Scholar
  24. 24.
    J.M. Rost, T. Pattard, J. Phys. B: At. Mol. Opt. Phys. 32, L457 (1999) CrossRefGoogle Scholar
  25. 25.
    M.R.H. Rudge, Rev. Mod. Phys. 40, 564 (1968) ADSCrossRefGoogle Scholar
  26. 26.
    H.A. Bethe, E.E. Salpeter, Quantum Mechanics of One- and Two-Electron Atoms (Springer, Boston, MA, 1977) Google Scholar

Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Institute of Condensed Matter and Nanosciences, Université catholique de LouvainLouvain-la-Neuve 1348Belgium

Personalised recommendations