Ultrafast dynamics in excited ammonia dimers and trimers |
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| Authors: | Th. Freudenberg W. Radloff F. Noack I. V. Hertel |
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| Affiliation: | 1. Max-Born-Institut, Rudower Chaussee 6, D-12489, Berlin, Germany
2. Fachbereich Physik, Freie Universit?t Berlin, Arnimallee 14, D-14195, Berlin, Germany
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| Abstract: | Ammonia dimers and trimers are studied in a femtosecond pump probe experiment. The pump laser (6.2 eV) excites the cluster into the à state which is ionized either by 4.6 eV or by 3.1 eV probe photons. Characteristic differences are explained in terms of a kinetic model involving an internal protonated neutral excited state as an intermediate. |
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