W C Stolte et al 2008 J. Phys. B: At. Mol. Opt. Phys. 41 145102 doi:10.1088/0953-4075/41/14/145102
Photofragmentation of HCl near the chlorine L2,3 ionization threshold: new evidence of a strong ultrafast dissociation channel
W C Stolte1, R Guillemin2,3, S-W Yu4 and D W Lindle1
Show affiliationsWe report a study using partial-ion-yield spectroscopy around the Cl 2p ionization threshold of HCl. All cation channels have been measured, while no evidence for anion production was obtained. The absence of any detectable H− can be related to the electronegativity difference between the two atoms and the observed low probability of directly creating Cl++ and Cl+++. In the photon-energy region around the Cl 2p3/2,1/2 → 6σ* excitation process, production of H+ is almost completely suppressed, which indicates a dominant ultrafast dissociation process leading to neutral H.
- PACS
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33.80.Eh Autoionization, photoionization, and photodetachment
33.80.Gj Diffuse spectra; predissociation, photodissociation
- Subjects
- Dates
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Issue 14 (28 July 2008)
Received 14 April 2008, in final form 11 June 2008
Published 4 July 2008
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Photofragmentation of HCl near the chlorine L2,3 ionization threshold: new evidence of a strong ultrafast dissociation channel
W C Stolte et al 2008 J. Phys. B: At. Mol. Opt. Phys. 41 145102
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