Triplet states in the dissociative excitation of water by electron impact |
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Affiliation: | Department of Chemistry, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, UK |
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Abstract: | The electron-impact excitation of water has been reinvestigated over the energy range 9–180 eV. Energy-dependent pressure effects have been observed. It is suggested that these are due to production of one or more triplet states of water which undergo collisionally assisted predissociation. Threshold energies for these processes have been determined. |
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