Laser-induced fluorescence and two-photon ionisation spectroscopy of the C(3)1Σ+ state of the NaK molecule

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, , Citation R F Barrow et al 1987 J. Phys. B: Atom. Mol. Phys. 20 3047 DOI 10.1088/0022-3700/20/13/016

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1 Dept. of Phys. Chem., Oxford Univ., UK

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Abstract

The C(3)1 Sigma + state of NaK has been studied by two complementary techniques: laser-induced fluorescence, recorded at high resolution by Fourier transform spectrometry; and two-photon resonant ionisation spectroscopy. Constants for the state, which dissociates to Na(3p 2P12/)+K(4s 2S12/), are Te=17787.3 cm-1, omega e=69.66 cm-1 and re=4.445 AA. These values are compared with the results of recent ab initio calculations.

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