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Dresden 2011 – scientific programme

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MO: Fachverband Molekülphysik

MO 19: Cold Molecules III

MO 19.6: Talk

Wednesday, March 16, 2011, 17:45–18:00, BAR Schön

Reactive Scattering with cold Molecules out of a RF Multipol Ion Trap — •Jonathan Brox1, Rico Otto1, Sebastian Trippel1, Martin Stei2, Thorsten Best1, and Roland Wester21Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg — 2Institut f. Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstr. 25/3, A-6020 Innsbruck

Crossed beam experiments offer a maximum amount of information about the dynamics of a reactive collision. If the process involves a molecular ion its internal excitation is expected to influence the reaction. To control these internal degrees of freedom we combined our velocity map imaging setup with a multipol rf trap, which allows us to control the internal state distribution of the molecular ion. The trap can be operated in a temperature range from 100 to 400 K. The extraction out of the rf trap provides a translational energy distribution of 100meV FWHM. In this talk we will present first test measurements on reactive scattering of OH and CH3I for relativ energies between 0.15eV and 3.0eV.

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