Test of target independence for free-free scattering in a Nd:YAG laser field

N. L.S. Martin, B. A. Deharak

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7 Scopus citations


We report measurements of one-, two-, and three-photon processes during the elastic scattering of electrons through 90 by helium, argon, and molecular-nitrogen targets, in the presence of 1.17-eV photons from a Nd:YAG laser. The incident energy of the electrons was 200 and 350 eV, and the linear polarization direction of the laser was parallel to the momentum transfer direction. Our measured free-free count rates for the three processes are target independent within the experimental uncertainties, perfectly consistent with the Kroll-Watson approximation, which assumes no interaction of the laser radiation with the target.

Original languageEnglish
Article number013403
JournalPhysical Review A
Issue number1
StatePublished - Jan 4 2016

Bibliographical note

Funding Information:
National Science Foundation http://dx.doi.org/10.13039/100000001 NSF http://sws.geonames.org/6252001/ http://sws.geonames.org/6254928/ PHY-0855040 PHY-1402899 This work was supported by the NSF under Grants No. PHY-0855040 (N.L.S.M.) and No. PHY-1402899 (B.A.d.).

Publisher Copyright:
© 2016 American Physical Society.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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