R.Ito, T.Tabata, T.Shirai, and R.A.Phaneuf, Analytic Cross Sections for Collisions of H, H2, He and Li Atoms and Ions Colliding with Atoms and Molecules.II, JAERI-Data/Code 94-005 (1994).
Excitation and Spectral Line Emission
Collision by He2+
| He2+ + H → H(2s) |  |
| He2+ + H → H(2p) |  |
| He2+ + Li(2s) → He2+ + Li(2p) | |
| He2+ + Li(2s) → He2+ + Li(670.8 nm) |  |