title: Electron localization involving doubly excited states in broadband extreme ultraviolet ionization of H2.
abstract: Dissociative single ionization of H(2) induced by extreme ultraviolet photons from an attosecond pulse train has been studied in a kinematically complete experiment. Depending on the electron kinetic energy and the alignment of the molecule with respect to the laser polarization axis, we observe pronounced asymmetries in the relative emission directions of the photoelectron and the H(+) ion. The energy-dependent asymmetry pattern is explained by a semiclassical model and further validated by fully quantum mechanical calculations, both in very good agreement with the experiment.
authors.affiliation: Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany. andreas.fischer@mpi-hd.mpg.de
authors.forename: Andreas
authors.initials: A
authors.lastname: Fischer
authors.forename: Alexander
authors.initials: A
authors.lastname: Sperl
authors.forename: Philipp
authors.initials: P
authors.lastname: Cörlin
authors.forename: Michael
authors.initials: M
authors.lastname: Schönwald
authors.forename: Helga
authors.initials: H
authors.lastname: Rietz
authors.forename: Alicia
authors.initials: A
authors.lastname: Palacios
authors.forename: Alberto
authors.initials: A
authors.lastname: González-Castrillo
authors.forename: Fernando
authors.initials: F
authors.lastname: Martín
authors.forename: Thomas
authors.initials: T
authors.lastname: Pfeifer
authors.forename: Joachim
authors.initials: J
authors.lastname: Ullrich
authors.forename: Arne
authors.initials: A
authors.lastname: Senftleben
authors.forename: Robert
authors.initials: R
authors.lastname: Moshammer