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- Hjelte, I, et al.
(författare)
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Evidence for ultra-fast dissociation of molecular water from resonant Auger spectroscopy
- 2001
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Ingår i: CHEMICAL PHYSICS LETTERS. - : ELSEVIER SCIENCE BV. - 0009-2614. ; 334:1-3, s. 151-158
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Tidskriftsartikel (refereegranskat)abstract
- We present direct evidence for ultra-fast dissociation of molecular water in connection photo-excitation of the Ols --> 4a(1) resonance. The core-excited H2O molecules are shown to dissociate into core-excited O*H and neutral H on a time scale comparable
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2. |
- Hjelte, I., et al.
(författare)
-
Evidence for ultra-fast dissociation of molecular water from resonant Auger spectroscopy
- 2001
-
Ingår i: Chemical Physics Letters. - 0009-2614. ; 334:1-3, s. 151-158
-
Tidskriftsartikel (refereegranskat)abstract
- We present direct evidence for ultra-fast dissociation of molecular water in connection photo-excitation of the O1s→4a1 resonance. The core-excited H2O molecules are shown to dissociate into core-excited O*H and neutral H on a time scale comparable to the core hole lifetime, i.e. a few femtoseconds. This conclusion is based on a resonant Auger study, qualitative arguments and ab initio calculations. 'Hot bands' connected to Auger transitions from vibrationally excited OH fragments are identified, and these exhibit a dynamical behavior which qualitatively follows the change in excess energy.
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