High resolution resonance enhanced two photon ionization spectroscopy of RbCs in a cold molecular beam

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The first rotationally resolved high resolution excitation spectrum of RbCs is obtained near 520 nm by resonance enhanced two photon ionization study. The excited electronic state is assigned to the 5 (1)Sigma (+) state by the spectrum analysis and comparison with ab initio calculations. The spectroscopic constants of the 5 (1)Sigma (+) state are determined to be T-e = 18 564.560(76) cm(-1), omega (e) = 39.193(25) cm(-1), R-e = 4.951(5) Angstrom. The Rydberg-Klein-Rees potential curve is constructed and compared with theoretical calculations. Avoided crossings between the 5 (1)Sigma (+) and 6 (1)Sigma (+) states of RbCs are observed. (C) 2001 American Institute of Physics.
Publisher
AMER INST PHYSICS
Issue Date
2001-05
Language
English
Article Type
Article
Keywords

LASER-INDUCED FLUORESCENCE; 1-SIGMA+ GROUND-STATE; ROTATIONAL ANALYSIS; POLARIZATION SPECTROSCOPY; ELECTRONIC-STATE; CS2

Citation

JOURNAL OF CHEMICAL PHYSICS, v.114, no.20, pp.8926 - 8931

ISSN
0021-9606
URI
http://hdl.handle.net/10203/83465
Appears in Collection
CH-Journal Papers(저널논문)
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