the excitation by elect-on impact of the Z3S and 2'S states of helium are measured in the 194'i eV en&Y range. Several shape resonances are observed. An estimate for the 23P cross section is presented. ~OSe-COUpiiIIing ukukltions of Burke et al.'pre&ct the correct structure but overestimate the mqni
Electron impact excitation cross sections for N(V)
β Scribed by P.S. Ganas
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 118 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0022-4073
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π SIMILAR VOLUMES
A scaling law for the electron-impact electronic excitation cross sections of vibrationally excited diatomic molecules is derived and applied to the X l~g\_~ B i E+ transitions in hydrogen and deuterium.
In the dlssociatlvc cxcitatlon of hydrogen contaimng molcculcs by clcctron Impact. the decay curves of th.: rcstdting 11, Intcnsitics have been mcawrcd by means of rl dclaycd comcidcncc tcchniquc. WC dctcrmmed the contribution of the tfIc stntc to the total II, emission intensity by analy\ls of thcs
tl. method is described for the measurement of absolute values of the total electron-impact excitation cross sections of argon io metastable states (3P). The method utilizes measurements of the ratio of the excitation to ionization cross sxtibn. Results are reported from 60 to 100 eV.
New R-matrix calculations are presented for electron excitation of atomic calcium. The target state expansion includes 22 states: 4s 2 1 S; 4snl 1,3 L, where nl is 3d, 4p, 5s, 5p, 4d and 4 f ; 3d4p 1,3 P, D, F; and 4 p 2 3 P, 1 D, 1 S terms. The calculation is in L S coupling, and configuration inte