Excitation of helium by 0.05–6 keV electrons and polarization of the resulting radiation

Inelastic Collisions between Heavy Particles I: Excitation and Ionization of Hydrogen Atoms in Fast Encounters with Protons and with other Hydrogen Atoms

D. R. Bates, George W. Griffing · Proceedings of the Physical Society Section A · 1953 · 453 citations

Engineering, Inelastic Collisions, Ion Process +16

Electron Impact Excitation of Atoms

B L Moiseiwitsch, Stuart Smith · Reviews of Modern Physics · 1968 · 406 citations

Engineering, Critical Review, Atomic Emission Spectroscopy +17

Ionization cross sections for electrons (0.6–20 keV) in noble and diatomic gases

B.L. Schram, F J de Heer, M.J. van der Wiel et al. · Physica · 1965 · 317 citations

Engineering, Physics, Diatomic Gases +7

Absolute Electron Excitation Cross Sections of Helium

Robert John, Frank L. Miller, Chun C. Lin · Physical Review · 1964 · 191 citations

Excited State Property, Triplet States, Engineering +15

Excitation processes in helium

A. H. Gabriel, D. W. O. Heddle · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1960 · 176 citations · Full text