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Feifel R, Burmeister F, Sałek P, et al. Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules. Phys Rev Lett. 2000;85(15):3133-6doi: 10.1103/PhysRevLett.85.3133.
Feifel, R., Burmeister, F., Sałek, P., Piancastelli, M. N., Bässler, M., Sorensen, S. L., Miron, C., Wang, H., Hjelte, I., Björneholm, O., Naves de Brito, A., Gel'mukhanov, F. K., Agren, H., & Svensson, S. (2000). Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules. Physical review letters, 85(15), 3133-6. https://doi.org/10.1103/PhysRevLett.85.3133
Feifel, R, et al. "Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules." Physical review letters vol. 85,15 (2000): 3133-6. doi: https://doi.org/10.1103/PhysRevLett.85.3133
Feifel R, Burmeister F, Sałek P, Piancastelli MN, Bässler M, Sorensen SL, Miron C, Wang H, Hjelte I, Björneholm O, Naves de Brito A, Gel'mukhanov FK, Agren H, Svensson S. Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules. Phys Rev Lett. 2000 Oct 09;85(15):3133-6. doi: 10.1103/PhysRevLett.85.3133. PMID: 11019284.
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Phys Rev Lett. 2000 Oct 09;85(15):3133-6. doi: 10.1103/PhysRevLett.85.3133.

Observation of a continuum-continuum interference hole in ultrafast dissociating core-excited molecules.

Physical review letters

R Feifel, F Burmeister, P Sałek, M N Piancastelli, M Bässler, S L Sorensen, C Miron, H Wang, I Hjelte, O Björneholm, A Naves de Brito, F K Gel'mukhanov, H Agren, S Svensson

Affiliations

  1. Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden.

PMID: 11019284 DOI: 10.1103/PhysRevLett.85.3133

Abstract

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 Cl2p(-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.

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