Berlin 2014 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 13: Posters 3: Cold Molecules, Helium Nano Droplets, and Experimental Techniques

MO 13.16: Poster

Mittwoch, 19. März 2014, 16:30–18:30, Spree-Palais

Stretching the Envelope in Crossed Beam Experiments — •Alexander von Zastrow, Jolijn Onvlee, Sjoerd Vogels, David H. Parker, and Sebastiaan Y. T. van de Meerakker — Radboud Universiteit Nijmegen, Institute for Materials and Molecules, Heyendaalseweg 135, 6525AJ Nijmegen

The fundamental understanding of intermolecular interactions is essential for various fields, such as astrophysics. Highly detailed information about these interactions can be extracted from atomic and molecular collisions in crossed beam experiments.

Combining the Stark deceleration technique with velocity map imaging results in high resolution experiments which give detailed information about intermolecular interactions. This is shown in the observation of diffraction oscillations in the differential cross section of state-to-state inelastic scattering of NO molecules with rare gas atoms. Further advantage of this high resolution will be taken in the future. In particular, our approach is ideally suited to investigate low-energy quantum scattering resonances with unprecedented accuracy. The measurement of such phenomena can make a significant contribution to a better understanding of intermolecular interactions, both experimentally and theoretically.