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FD 171: Imaging Molecular Structure through Femtosecond Photoelectron Diffraction on Aligned and Oriented Gas-Phase Molecules

TitleFD 171: Imaging Molecular Structure through Femtosecond Photoelectron Diffraction on Aligned and Oriented Gas-Phase Molecules
Publication TypeJournal Article
Year of Publication2014
AuthorsBoll R, Rouzée A, Adolph M, Anielski D, Aquila A, Bari S, Bomme C, Bostedt C, Bozek JD, Chapman HN, Christensen L, Coffee RN, Coppola N, Decleva P, Epp S, Erk B, Filsinger F, Foucar L, Gumprecht L, Holmegaard L, Johnsson P, Moshammer R, Rudek B, Schlichting I, Scholz F, Schulz J, Seltmann J, Stener M, Stern S, Trechert S, ThOgersen J, Trippel S, Viefhaus J, Vrakking M, Stapelfeldt H, Küpper J, Ullrich J, Rudenko A, Rolles D
JournalFaraday Discuss.
Pagination-
Abstract

This paper gives an account of our progress towards performing femtosecond time-resolved photoelectron diffraction on gas-phase molecules in a pump-probe setup combining optical lasers and an X-ray Free-Electron Laser. We present results of two experiments aimed at measuring photoelectron angular distributions of laser-aligned 1-ethynyl-4-fluorobenzene (C$_8$H$_5$F) and dissociating{,} laser-aligned 1{,}4-dibromobenzene (C$_6$H$_4$Br$_2$) molecules and discuss them in the larger context of photoelectron diffraction on gas-phase molecules. We also show how the strong nanosecond laser pulse used for adiabatically laser-aligning the molecules influences the measured electron and ion spectra and angular distributions{,} and discuss how this may affect the outcome of future time-resolved photoelectron diffraction experiments.

URLhttp://dx.doi.org/10.1039/C4FD00037D
DOI10.1039/C4FD00037D