Experimental and calculated binding energies, intensities and natural linewidths (Γ) of the 3d photoelectron spectrum of the atomic gallium
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Table 1. Experimental and calculated binding energies, intensities and natural linewidths (Γ) of the 3d photoelectron spectrum of the atomic gallium. The binding energies are given with respect to the ionization threshold of 26.522(6) eV (experimental) and 24.232 eV (calculated) corresponding to the 2P3/2 − 3d−1(3P2) transition. The relative binding energy error was estimated to be ±5 meV. The leading mixing coefficients for the 3d ionized states in LSJ coupling are present in table 2.
We present an experimental and theoretical study of 3d photoionization and subsequent Auger decay of atomic gallium. The synchrotron radiation-induced electron spectra have been compared and analysed using multiconfiguration Dirac–Fock calculations. It has been shown that the theoretically predicted photoelectron spectrum is in rather good agreement with the experiment allowing us to identify the main spectral features. However, prediction of the Auger decay intensities fails due to calculational difficulties for the continuum wavefunctions of very low kinetic energy Auger electrons.