Ionization and electron capture cross sections for protons incident on noble and diatomic gases between 10 and 140 keV Back to all publications Publication date 1 January 1966 Reference F.J. de Heer, J. Schutten and H.R. Moustafa Moussa, Ionization and electron capture cross sections for protons incident on noble and diatomic gases between 10 and 140 keV, Physica 32, 1766-1792 (1966)