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Berlin 2014 – scientific programme

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SYPS: Promovierendensymposium

SYPS 2: Velocity map imaging - focusing on intra- and interatomic dynamics 2

SYPS 2.5: Invited Talk

Thursday, March 20, 2014, 18:00–18:30, Audimax

Velocity map imaging studies of quantum state resolved scattering at gas-solid and gas-SAMs surfaces — •David J. Nesbitt1, Monika Gruetter3, J. Robert Roscioli2, Carl Hoffman1, and Daniel J. Nelson11JILA/University of Colorado, Boulder, CO, USA — 2Aerodyne Research Inc., 45 Manning Road, Billerica, MA, USA — 3University of Goettingen, Goettingen, Germany

This talk describes results from a novel surface-scattering technique which combines resonance enhanced multiphoton ionization (REMPI) with velocity-map imaging (VMI) to yield quantum-state and 2D velocity component resolved distributions in the scattered molecular flux. We will discuss work in hyperthermal scattering (Einc = 21(5) kcal/mol) of jet cooled HCl from i) Au(111) on flat mica surfaces and ii) -CH3 terminated self-assembled monolayers (SAM). These first data establish an exciting new class of experimental tools for exploring energy transfer and reactive scattering events on SAMs, liquid, and metal interfaces with quantum state resolved information on correlated internal and translational distributions.

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