Comparative study of He(23S)-penning ionization and He(I) photoionization of CF4, CCl4, and the chlorofluoromethanes by electron-ion coincidence spectroscopy |
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| Authors: | Walter Kischlat Harald Morgner |
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| Institution: | Fakultät für Physik der Universität, Hermann Herder-Str. 3, D 7800 Freiburg i.Br.West Germany |
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| Abstract: | We present electron—ion coincidence spectra of the chlorofluoromethanes obtained after He(I)-photoionization and Penning ionization by He(23S).Remarkable differences between both modes of ionization exist for CF3Cl. Our tentative interpretation suggests the existence of a strongly bound interaction potential of ionic character between He(23S) and CF3Cl, in addition to the essentially flat covalent potential. |
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