High-resolution, hard x-ray photoemission investigation ofBaFe2As2: Moderate influence of the surface and evidence for a low degree ofFe 3d–As 4phybridization of electronic states near the Fermi energy

High-resolution, hard x-ray photoemission investigation ofBaFe2As2: Moderate influence of the surface and evidence for a low degree ofFe 3d–As 4phybridization of electronic states near the Fermi energy