Laser Spectroscopic Studies of the E 1£+ State of the MgO Molecule
- Wang, J.J.
- Van-Oanh, N.-T.
- Bellert, D.
- Breckenridge, W.H.
- Gaveau, M.-A.
- Gloaguen, Eric
- Soep, B.
- Mestdagh, J.-M.
DOIAbstract
The E1Σ+ ‘Rydberg' state of 24Mg16O has been characterized by two-color resonance-enhanced two-photon ionization (R2PI) spectroscopy in the 36 000–40 000 cm−1 region. Several rotationally resolved bands, assigned consistently to 24Mg16O(E1Σ+←X1Σ+) vibronic transitions, have been analyzed. The effective Bv′(v′=0−8) constants determined exhibit an unusual variation with v′. Possible causes of this variation are discussed. Estimated spectroscopic constants for the E1Σ+ state are reported
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