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Observation Of The Visible Absorption Spectrum Of H2o+, Biswajit Das, John W. Farley
Observation Of The Visible Absorption Spectrum Of H2o+, Biswajit Das, John W. Farley
Electrical & Computer Engineering Faculty Research
The à 2 Ã1–X̃ 2 B̃1 system of H2O+ has been observed, using laser absorption spectroscopy in a velocity‐modulated discharge. A total of 78 transitions between 14 794 and 15 475 cm−1 have been observed with an uncertainty (1 SD) of 0.02 cm−1, including 76 transitions in the (0,7,0)–(0,0,0) band and 2 in the (0,8,0)–(0,0,0) band. This species is important for cometary astronomy, and intriguing for molecular physics because of its prominent Renner–Teller interaction. Careful measurements were made of the relative intensities of the absorption lines, …