✦ LIBER ✦
Spectral shift of autoionizing high-n Rydberg states of CH3I in dense argon: a photoionization study
✍ Scribed by J. Meyer; R. Reininger; U. Asaf
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 220 KB
- Volume
- 173
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Photoionization spectra of pure CHII and of CH,I doped into varying densities of Ar (up to 10.5 x 10" cm-') are reported. The photoionization spectrum of pure CHJ closely reproduces the absorption spectrum of the autoionizing nd' and ns' Rydberg states converging to the 'E,,* ionization limit. Moreover, it displays the members of the nd' series terminating on the u' = 1 vibrational level of the same limit. The Rydberg states shift to lower energies with increasing argon density. The shift rate for principal quantum numbers n> 10 is in good agreement with the values obtained from absorption studies.