Berlin 2014 – scientific programme
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MO: Fachverband Molekülphysik
MO 2: Clusters
MO 2.3: Talk
Monday, March 17, 2014, 11:00–11:15, BEBEL SR144
Measuring the efficiency of ICD in neon- and in water clusters — •Marko Förstel1, Tiberiu Arion2, Lasse Harbo3, Chao Fan Zhang4, and Uwe Hergenhahn1 — 1Max-Planck-Institute for Plasmaphysics, Greifswald, 17491, Germany — 2University of Hamburg, CFEL, Luruper Chaussee 149, 22761 Hamburg, Germany — 3Dept. of Physics and Astronomy, Aarhus University, Aarhus, 8000, Denmark — 4Dept. of Physics and Astronomy, Uppsala University, Uppsala, 75121, Sweden
In our contribution we focus on the measurement of the efficiency of intermolecular coulombic decay (ICD) in neon clusters and in water clusters.
Quite uniquely, our setup allows the quantitative determination of the efficiency of ICD relative to other competing channels. We introduce this technique and discuss the ICD efficiency after inner valence ionization in neon clusters, in water clusters and in clusters of heavy water.
By comparing the ICD efficiency in water and heavy water we can estimate the influence of the dynamics of the two systems on the ICD efficiency. Using these results we can obtain limits on the decay rate of ICD in large systems, i.e. water clusters with a mean size of N = <60>.