Attosecond control of dissociative ionization of Omolecules
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We demonstrate that dissociative ionization of O 2 can be controlled by the relative delay between an attosecond pulse train (APT) and a copropagating infrared (IR) field. Our experiments reveal a dependence of both the branching ratios between a range of electronic states and the fragment angular distributions on the extreme ultraviolet (XUV) to IR time delay. The observations go beyond adiabatic propagation of dissociative wave packets on IR-induced quasistatic potential energy curves and are understood in terms of an IR-induced coupling between electronic states in the molecular ion. 2011 American Physical Society.
author list (cited authors)
Siu, W., Kelkensberg, F., Gademann, G., Rouze, A., Johnsson, P., Dowek, D., ... Vrakking, M.
complete list of authors
Siu, W||Kelkensberg, F||Gademann, G||Rouzée, A||Johnsson, P||Dowek, D||Lucchini, M||Calegari, F||De Giovannini, U||Rubio, A||Lucchese, RR||Kono, H||Lépine, F||Vrakking, MJJ