Core-hole excited states of H2O : symmetries and relative oscillator strengths
Tunable and polarized soft x-ray radiation was used to excite core electrons of H2O. Angle-resolved proton yields were measured by retarding potential analyzers at 0° and 90° with respect to the polarization vector of the radiation. The ability of angle-resolved detection to reveal hidden resonances...
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| Veröffentlicht in: | The Journal of chemical physics 1992-10, Vol.97 (8), p.5915-5918 |
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| container_end_page | 5918 |
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| container_issue | 8 |
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| container_title | The Journal of chemical physics |
| container_volume | 97 |
| creator | KIM, D. Y LEE, K MA, C. I MAHALINGAM, M HANSON, D. M HULBERT, S. L |
| description | Tunable and polarized soft x-ray radiation was used to excite core electrons of H2O. Angle-resolved proton yields were measured by retarding potential analyzers at 0° and 90° with respect to the polarization vector of the radiation. The ability of angle-resolved detection to reveal hidden resonances in rich molecular spectra is demonstrated, and the anisotropy parameter obtained from the two ion yields identifies the symmetries and the relative oscillator strengths of the core-hole excited states in the near-edge region of the spectrum. The analysis of the data substantiates the validity of the axial recoil approximation and provides evidence for ultrafast dissociation. Comparisons with the results of theoretical calculations are made. |
| doi_str_mv | 10.1063/1.463985 |
| format | Article |
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The analysis of the data substantiates the validity of the axial recoil approximation and provides evidence for ultrafast dissociation. 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| ispartof | The Journal of chemical physics, 1992-10, Vol.97 (8), p.5915-5918 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_463985 |
| source | AIP Digital Archive |
| subjects | Atomic and molecular physics Exact sciences and technology Intensities and shapes of molecular spectral lines and bands Molecular properties and interactions with photons Physics |
| title | Core-hole excited states of H2O : symmetries and relative oscillator strengths |
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