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Single photon simultaneous K-shell ionization and K-shell excitation. I. Theoretical model applied to the interpretation of experimental results on H2O.
- Source :
-
The Journal of chemical physics [J Chem Phys] 2015 Jan 07; Vol. 142 (1), pp. 014307. - Publication Year :
- 2015
-
Abstract
- We present in detail a theoretical model that provides absolute cross sections for simultaneous core-ionization core-excitation (K(-2)V) and compare its predictions with experimental results obtained on the water molecule after photoionization by synchrotron radiation. Two resonances of different symmetries are assigned in the main K(-2)V peak and comparable contributions from monopolar (direct shake-up) and dipolar (conjugate shake-up) core-valence excitations are identified. The main peak is observed with a much greater width than the total experimental resolution. This broadening is the signature of nuclear dynamics.
Details
- Language :
- English
- ISSN :
- 1089-7690
- Volume :
- 142
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- The Journal of chemical physics
- Publication Type :
- Academic Journal
- Accession number :
- 25573561
- Full Text :
- https://doi.org/10.1063/1.4904273