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Phys Rev Lett. 2003 Sep 12;91(11):113002. doi: 10.1103/PhysRevLett.91.113002. Epub 2003 Sep 09.

Rescattering of ultralow-energy electrons for single ionization of Ne in the tunneling regime.

Physical review letters

R Moshammer, J Ullrich, B Feuerstein, D Fischer, A Dorn, C D Schröter, J R Crespo Lopez-Urrutia, C Hoehr, H Rottke, C Trump, M Wittmann, G Korn, W Sandner

Affiliations

  1. Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-67119 Heidelberg, Germany. [email protected]

PMID: 14525419 DOI: 10.1103/PhysRevLett.91.113002

Abstract

Electron emission for single ionization of Ne by 25 fs, 1.0 PW/cm(2) laser pulses at 800 nm has been investigated in a kinematically complete experiment using a "reaction microscope." Mapping the complete final state momentum space with high resolution, a distinct local minimum is observed at P(e parallel )=0, where P(e parallel ) is the electron momentum parallel to the laser polarization. Whereas tunneling theory predicts a maximum at zero momentum, our findings are in good agreement with recent semiclassical predictions which were interpreted to be due to "recollision."

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