Stuttgart 2012 – scientific programme
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MO: Fachverband Molekülphysik
MO 16: Collisions and Spectroscopy in He-Droplets
MO 16.4: Talk
Thursday, March 15, 2012, 11:15–11:30, V38.02
Collision cross sections of state selected OH + NO — •Moritz Kirste, Xingan Wang, Hans Christian Schewe, Gerard Meijer, and Sebastiaan van de Meerakker — Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Deutschland
The crossed molecular beam technique is a mature and important experimental method to understand molecular interactions and molecular reaction dynamics. The Stark deceleration technique yields unprecedented control over both the internal and external degrees of freedom of polar molecules in a molecular beam. The combination of both techniques offers new possibilities in scattering experiments. The advantages of such an approach are the control over the external and internal degrees of freedom e.g. a tunable collision energy, a narrow energy spread and a selected quantum state. We will discuss our results on the inelastic scattering of state selected OH(X2Π3/2,J=3/2,f) radicals with hexapole state-selected NO(X2Π1/2,J=1/2,f)radicals, as a function of the collision energy. Excitation functions of four rotational excited channels have been measured and will be presented.