Carbon 1s photoelectron spectrum of 2-butyne taken at a photon energy of 340 eV. Open circles show the data. Solid lines show the overall fits and the contributions from individual components.
Intensity ratios (C2,3/C1,4) for the carbon 1s photoelectron spectra of 2-butyne. Different symbols identify data from the indicated years. (Upper) Plotted against the photon energy. (Lower) Plotted against the average photoelectron momentum. The line in the lower graph shows an approximate correction to the 2012 data for the energy-dependence of the transmission of the analyzer.
Comparison between density-functional calculations and experimental values for the intensity ratios (C2,3/C1,4) for the carbon 1s photoelectron spectra of 2-butyne. The solid line represents the results of the DFT method and the dashed line represents the results from the TDDFT method.
Comparison between FEFF predictions (lines) and experimental values (points) for the intensity ratios (C2,3/C1,4) for the carbon 1s photoelectron spectra of 2-butyne. The solid line shows results without Debye-Waller corrections and the dashed line shows results that include these corrections.
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