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Potential energy curves of the quasi-stable states of CO2+ determined using Auger spectroscopy (Articolo in rivista)

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Potential energy curves of the quasi-stable states of CO2+ determined using Auger spectroscopy (Articolo in rivista) (literal)

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Puttner R., X.-J. Liu, H. Fukuzawa, T. Tanaka, M. Hoshino, H. Tanaka, J. Harries, Y. Tamenori, V. Carravetta and K. Ueda (2007)
Potential energy curves of the quasi-stable states of CO2+ determined using Auger spectroscopy
in Chemical physics letters (Print)
(literal)

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Puttner R., X.-J. Liu, H. Fukuzawa, T. Tanaka, M. Hoshino, H. Tanaka, J. Harries, Y. Tamenori, V. Carravetta and K. Ueda (literal)

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1) Institut fur Experimentalphysik, Freie Universitat Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany 2) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan 3) Department of Physics, Sophia University, Tokyo 102-8554, Japan 4) Japan Synchrotron Radiation Research Institute, Sayo-gun, Hyogo 679-5198, Japan 5)IPCF-CNR, Area of Research, via Moruzzi 1, 56124, Pisa, Italy (literal)

Titolo

Potential energy curves of the quasi-stable states of CO2+ determined using Auger spectroscopy (literal)

Abstract

Observations of Auger transitions to quasi-stable states of CO{++} subsequent to C_1s{-1} and O_1s{-1} ionizations of CO are presented along with the corresponding photoelectron spectra and calculations of the potential energy curves. The equilibrium distances R_e, the vibrational energies homega, and the anharmoncities xhomega, for the final states a (singlet Sigma+), b (singlet Pi), A (triplet Sigma+) and d (singlet Sigma+), are derived from fits to the spectra by assuming Morse potentials. A comparison of these Morse potentials with theoretical potential energy curves reveals excellent agreement in the Franck-Condon regions of the Auger transitions. The relative intensities for the observed C_1s{-1} and O_1s{-1} Auger transitions are also derived. (literal)

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