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Vibrationally resolved resonant two-photon ionization spectroscopy of the 1 3Σ+ g(b)→1 3Σ+ u(X) transition of Na2

✍ Scribed by A. Färbert; J. Koch; T. Platz; W. Demtröder

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
516 KB
Volume
223
Category
Article
ISSN
0009-2614

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✦ Synopsis

Na2 molecules in the weakly bound lowest triplet state 1 'ZZz are formed in a cold supersonic argon beam seeded with sodium. They are excited by a tunable cw Ti: sapphire laser into levels of the 1 'Xl state which are ionized by an argon ion laser. From a vibrational analysis of the resonant two-photon ionization (RTPI) spectrum the constants T,= 17972 k 4 cm-', CU.= 100.5 f 0.9 cm-' and w.x.=O.57 f0.03 cm-' are obtained for the Nal (1 'Xi ) state.

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