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First spectroscopic observation of the MgCl+ cation by fast ion beam laser spectroscopy

✍ Scribed by M. Larsson; S. Mannervik; R.T. Short; P. Sigray; D. Sonnek

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
408 KB
Volume
146
Category
Article
ISSN
0009-2614

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✦ Synopsis

The MgCl+ cation has been observed with spectroscopic methods for the first time. The fast ion beam laser technique was used to record an absorption spectrum due to M&l+ in the wavelength range 580-620 nm. No banded structure could be observed, indicating that the upper state is purely repulsive or weakly bound. The observed spectrum is ascribed to the A 'H-X 'IZ+ transition. Calculations of Franck-Condon densities and differential oscillator strengths based on recent ab initio calculated potential curves of M&l+ by Akeby and Pettersson are consistent with this interpretation.

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