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Figure 6
Electron-energy spectra for photo-emitted Cu(111) valence electrons (rightmost peaks, Cu-V) as well as Cu-M23 and Cu-M1. The solid symbols have been measured in the pump–probe mode and the thin red lines are experimental reference data without laser excitation (the thick solid blue fit curves are explained in the text). Four cases for different incident photon energies EX (315, 515, 715 and 915 eV) are displayed in separate plots. The mean laser power is 150 mW in all cases and data have been taken for vertically polarized X-rays at a grazing angle Θg of 24°.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 5| September 2016| Pages 1158-1170
https://doi.org/10.1107/S1600577516009115
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