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Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules
KTH, Superseded Departments, Biotechnology.
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2000 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 85, no 15, 3133-3136 p.Article in journal (Refereed) Published
Abstract [en]

The femtosecond dissociation of HCl after core excitation has been studied through the resonant Auger decay. The spectra contain contributions from decay occurring at both "molecular" and "atomic" internuclear distances. We have observed a new interference mechanism in these spectra: An atomic spectral line develops into a negative spectral contribution, a "hole," when detuning the excitation energy from the maximum of the Cl 2p(-1)sigma* resonance. Resonant x-ray scattering theory quantitatively explains this behavior as due to a novel destructive continuum-Continuum interference between molecular and atomic contributions to the Auger decay.

Place, publisher, year, edition, pages
2000. Vol. 85, no 15, 3133-3136 p.
Keyword [en]
HCL, RAMAN, SCATTERING, EXCITATION, SPECTRA, STATES, DECAY, HBR
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-13835DOI: 10.1063/1.1516805ISI: 000089807800017OAI: oai:DiVA.org:kth-13835DiVA: diva2:327698
Note
QC 20100630Available from: 2010-06-30 Created: 2010-06-30 Last updated: 2012-06-13Bibliographically approved
In thesis
1. Wave packet theory of resonant X-ray scattering
Open this publication in new window or tab >>Wave packet theory of resonant X-ray scattering
2001 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2001. x, 43 p.
Keyword
RXS, x-ray scattering, wave packets
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-3188 (URN)91-7283-111-1 (ISBN)
Public defence
2001-06-11, 00:00
Note
QC 20100629Available from: 2001-06-08 Created: 2001-06-08 Last updated: 2010-06-30Bibliographically approved

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Ågren, Hans

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