Stuttgart 2012 – scientific programme
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A: Fachverband Atomphysik
A 12: Interaction with strong or short laser pulses III
A 12.5: Talk
Tuesday, March 13, 2012, 11:45–12:00, V47.03
Photoelectron Diffraction in Laser-Aligned p-Fluorophenyl-acetylene (p-FAB) at LCLS — •Rebecca Boll1,2, Denis Anielski1,2, Christoph Bostedt3, Lauge Christensen4, Ryan Coffee3, Sankar De4, Sascha Epp1,2, Benjamin Erk1,2, Lutz Foucar1,5, Jochen Küpper6,7, Daniel Rolles1,5, Arnaud Rouzee8, Benedikt Rudek1,2, Artem Rudenko1,2, Henrik Stapelfeldt4, Stephan Stern6, Sebastian Trippel6, and Joachim Ullrich1,2 — 1Max Planck Advanced Study Group at CFEL, Hamburg, Germany — 2Max Planck Institute for Nuclear Physics, Heidelberg, Germany — 3SLAC National Accelerator Laboratory, Stanford, USA — 4Aarhus University, Denmark — 5Max Planck Institute for Medical Research, Heidelberg, Germany — 6CFEL, Hamburg, Germany — 7University of Hamburg, Germany — 8Max Born Institute, Berlin, Germany
Photoelectron diffraction patterns of adiabatically laser-aligned and mixed-field oriented p-FAB molecules were measured using femtosecond FEL-pulses at different photon energies at LCLS. Ions and electrons were recorded simultaneously in a double-sided velocity map imaging spectrometer installed in the CFEL-ASG MultiPurpose (CAMP) chamber. From the obtained angular distributions of the photoelectrons that are emitted and scattered within a single molecule, it is possible to retrieve information on the molecular structure on an Angstrom length scale.