High-energy electron-helium scattering in a Nd:YAG laser field

B. A. Deharak, L. Ladino, K. B. MacAdam, N. L.S. Martin

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


We report measurements of the scattering of electrons by helium atoms in the presence of 1.17 eV photons from a Nd:YAG laser. The incident energy of the electrons was in the range 50-350 eV, and the polarization of the laser was arranged to be parallel to electrons scattered through 135°. Energy-shifted peaks corresponding both to one- and two-photon emission were observed. Calculations using the Kroll-Watson approximation are perfectly consistent with the data.

Original languageEnglish
Article number022706
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
StatePublished - Feb 10 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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