, Volume 103, Issue 5, pp 723-727

Combined analysis of the PFOODR data on the a 3Σ u + , 23Πg, 23Σ g + , 33Πg, and 43Σ g + states of the K2 molecule

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The known and new heterogeneous spectral data on the triplet states a 3Σ u + , 23Πg, 23Σ g + , 33Πg, and 43Σ g + of the K2 dimer are simultaneously fitted. The data published in J. Mol. Spectrosc. 234, 41 (2005) are refined. The new information used in the analysis contains the data on the 23Σ g + state, which have not been considered previously. The range of internuclear distances where the potential function of the lowest triplet state a 3Σ u + is defined is extended.

Original Russian Text © V.B. Sovkov, V.S. Ivanov, D. Li, F. Xie, Li Li, 2007, published in Optika i Spektroskopiya, 2007, Vol. 103, No. 5, pp. 747–751.