Phys. Rev. Lett. 86, 2762 - 2765 (2001)Electron Energy Spectra from Intense Laser Double Ionization of Helium |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
R. Lafon1, J. L. Chaloupka1, B. Sheehy1, P. M. Paul2, P. Agostini2, K. C. Kulander3, and L. F. DiMauro1
1Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973
2SPAM, Centre d'Etudes de Saclay, 91191 Gif Sur Yvette, France
3TAMP, Lawrence Livermore National Laboratory, Livermore, California 94551
Received 16 November 2000
The double ionization of helium in the strong-field limit has been studied using an electron-ion coincidence technique. The observed double ionization electron energy spectra differ significantly from the single ionization distributions. This gives new support to the rescattering model of double ionization and explicitly reveals the role of backward electron emission following the e-2e ionizing collision.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v86/p2762
DOI: 10.1103/PhysRevLett.86.2762
PACS: 32.80.Fb, 31.90.+s, 32.80.Rm
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