Berlin 2014 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 35: Poster: Interaction with VUV and X-ray light
A 35.12: Poster
Mittwoch, 19. März 2014, 16:30–18:30, Spree-Palais
Measuring Molecular-Frame Photoelectron Angular Distributions at High Kinetic Energies. — •Evgeny Savelyev1, Cedric Bomme1, Denis Anielski1,2, Benjamin Erk1, Rebecca Boll1,2, and Daniel Rolles1 — 1Deutsches Elektronen-Synchrotron(DESY), Hamburg, Germany. — 2Max-Planck-Institut f. Kernphysik, Heidelberg, Germany.
We have built a new double-sided velocity map imaging (VMI) spectrometer optimized for electron-ion coincidence measurements to determine molecular-frame photoelectron angular distributions (MFPADs) for photoelectrons with kinetic energies up to 300 eV. It was employed for the first time at the gas-phase beamline P04 at PETRA to record the MFPADs after inner-shell photoionization of several halogenated carbon compounds. We will present and discuss the results of these measurements along with describing the design of the new spectrometer.