Transport cross-section Valence electron Zinc Friedel sum rule Stopping power Condensed matter physics Heavy ions Inner shell Measurements of Energy dissipation Energy loss Ions Theoretical study Ab initio calculations Atomic and Molecular Collisions Atomic numbers Atoms Bound electrons Electron energy loss spectroscopy Energy ranges Experimental data Helium High energy Inner-shell electrons Ion energies Loss measurement Nonperturbative Projectiles Quantitative tests Rutherford backscattering spectroscopy