Determination of the natural lifetime width of the C 1s state in CO2

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, , Citation J Nordgren et al 1982 J. Phys. B: Atom. Mol. Phys. 15 L153 DOI 10.1088/0022-3700/15/5/004

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1 Inst. of Phys., Univ. of Uppsala, Uppsala, Sweden

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0022-3700/15/5/L153

Abstract

The carbon K emission spectrum of gaseous CO2 has been recorded in high resolution using the grazing incidence technique. Vibrational fine structure corresponding to vibrational excitations in the 2 Pi u and 2 Sigma u+ final states is clearly resolved in the spectrum. From a Franck-Condon fit of harmonic oscillators the natural lifetime width of the C 1s state has been determined to be 0.07+or-0.02 eV.

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