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 Neutral He
| He + H2 → H(Balmer-α) |  |
| He + H2 → H(Balmer-β) |  |
| He + He → He(21S) |  |
| He + He → He(21P) |  |
| He + He → He(31P) |  |
| He + He → He(31D) |  |
| He + He → He(33P) |  |
| He + He → He(33D) |  |
| He + He → He(41S) |  |
| He + He → He(41P) |  |
| He + He → He(43S) |  |
| He + He → He(43P) |  |
| He + He → He(2s2 1S) |  |
| He + He → He(2s2p 3P) |  |
| He + He → He(2p2 1D) |  |
| He + He → He(2s2p 1P) |  |
| He + He → He-(1s2s2 2S) |  |
| He(23S) + He(11S) → He(31P) + He |  |
| He(23S) + He(11S) → He(33P) + He |  |
| He(23S) + He(11S) → He(43S) + He |  |
| He(23S) + He(11S) → He(43D) + He |  |
| He(23S) + He(11S) → He + He(43S) |  |
| He(23S) + He(11S) → He + He(43D) |  |