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Quenching and restoring of the A 2PI cationic state in resonant Auger electron spectra of CO in the vicinity of the O 1s-->2pi resonance (Articolo in rivista)
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- Quenching and restoring of the A 2PI cationic state in resonant Auger electron spectra of CO in the vicinity of the O 1s-->2pi resonance (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
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Feifel R., Tanaka T., Hoshino M., Tanaka H., Tamenori Y., Carravetta V., Ueda K. (2006)
Quenching and restoring of the A 2PI cationic state in resonant Auger electron spectra of CO in the vicinity of the O 1s-->2pi resonance
in Physical review. A
(literal)
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- Feifel R., Tanaka T., Hoshino M., Tanaka H., Tamenori Y., Carravetta V., Ueda K. (literal)
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- Department of Physics, Uppsala University,
Box 530, SE-751 21 Uppsala, Sweden
Institute of Multidisciplinary Research for
Advanced Materials,
Tohoku University, Sendai 980-8577, Japan
Department of Physics, Sophia University,
Tokyo 102-8554, Japan
Japan Synchrotron Radiation Research Institute,
Sayo-gun, Hyogo 679-5198, Japan
IPCF-CNR, Area of Research, via Moruzzi 1,
56124, Pisa, Italy
(literal)
- Titolo
- Quenching and restoring of the A 2PI cationic state in resonant Auger electron spectra of CO in the vicinity of the O 1s-->2pi resonance (literal)
- Abstract
- The evolution of the vibrational intensity distribution of the singly ionized A 2PI state in CO is experimentally examined for photon energy detunings below the adiabatic 0-0 transition of the O 1s-->2pi resonance. We have found a strong suppression of the entire vibrational fine structure of this state, leading to its almost complete quenching for certain excitation energies, followed by a partial restoring for larger values of negative photon energy detuning. Our observation, that cannot be rationalized by the known model of a vibrational collapse for energy detuning, may be explained in terms of a Fano interference between the direct and resonant photoionization channels in the presence of strong lifetime vibrational interference. (literal)
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