Projectile charge Projectiles 8 Band structure 4 Cross section 4 Double differential 4 Electron emission 4 Electron emission spectra 4 Electronic band structure 4 Emission distribution 4 Emission spectroscopy 4 Emission spectrums 4 Excitation cross section 4 Hydrogen 4 Impact-parameter 4 Ion bombardment 4 Ionization 4 Perturbative method 4 Angular distribution 2 Asymmetric structures 2 Atomic hydrogen 2 Born approximation 2 CTMC method 2 Charge-up 2 Charged particles 2 Combined effect 2 Condensed matter physics 2 Differential cross section 2 Dipolar approximations 2 Double ionization 2 Eikonal 2