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Frankfurt 2006 – wissenschaftliches Programm

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MO: Molekülphysik

MO 13: Molecular Clusters I

MO 13.6: Vortrag

Montag, 13. März 2006, 15:15–15:30, H10

Electron-Ion-Coincidence Study of C60 Fragmentation — •Sanja Korica, Axel Reinköster, Jens Viefhaus, Daniel Rolles, Reiner Hentges, Markus Braune, and Uwe Becker — Fritz-Haber-Institut der MPG, Faradayweg 4-6, Berlin, Germany

In order to get a deeper insight in the valence shell photofragmentation dynamics of C60 we have performed photoelectron-photoion coincidence measurements (PEPICO) in this energy region. Our results are supported with the previous non-coincident electron and ion measurements. The measurements were performed at the BW3 beamline of HASYLAB. C60 molecules in the gas phase were ionized by the monochromatic synchrotron radiation and the outgoing electrons and ions were detected with the time-of-flight analysers located opposite to each other. Our results show that the most intense coincidences are between electron and C60(q+) ions (q=1-3), but also coincidences with the C60−2m(2+) ions are clearly discernible. Possible mechanisms for these fragmentation events will be discussed.

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