From a quantum mechanical calculation where the populations of He ground and first excited states are properly taken into account, we can identify for the first time the neutralization to the He first excited state as an operative mechanism in He + -Al surface collisions. This identification allows
✦ LIBER ✦
Deexcitation mechanisms in metastable He—surface collisions
✍ Scribed by H. Conrad; G. Ertl; J. Küppers; W. Sesselman; H. Haberland
- Publisher
- Elsevier Science
- Year
- 1980
- Weight
- 270 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0167-2584
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Energy spectra of electrons ejected in coltisions of He metastablcs with Xe are measured For laboratow collision energies of He ranging from 30 eV up to SO0 eV. It is shown that in tflis range the ionization process changes frOJI1 Penning ionization IO excitation transfer foltowed by atomic ~utoion~