Kinetic energy release of clusters after multiphoton ionisation with time of flight and electrostatic analyser techniques |
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Authors: | J D Coffman M Gallmann I V Hertel |
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Institution: | 1. Fakult?t für Physik der Albert Ludwigs Universit?t Freiburg, Hermann-Herder-Strasse 3, D-7800, Freiburg, Federal Republic of Germany
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Abstract: | A new technique is presented which allows direct observation of initial kinetic energies in multiphoton ionisation-fragmentation processes of molecules and clusters and provides an unambiguous determination of metastable decay channels. Results are presented for the unimolecular loss of a monomer from clusters (C6H6) 8 + to (C6H6) 12 + and for the reaction C6H 6 + →C4H 4 + +C2H2. We also observe a significant amount of probably collision induced fragmentation processes (C6H6) n + →(C6H6) n?x + + (C6H6) x withx much larger than 1. |
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