Abstract
In view of the lack of precise transition probability parameters such as Franck–Condon factors (FCFs) and r-centroids for electronic transitions A, B, C, D, D′, E–X of a barium monofluoride (BaF) molecule, we have evaluated them by employing a reliable numerical integration procedure. The vibration-rotation interaction (VRI) effect on FCFs for the bands of above band systems of the BaF molecule was also studied, and the results indicate that VRI insignificantly influences FCFs. The physical and astrophysical significances of the computed FCFs and r-centroids are discussed for certain band systems of the BaF molecule whose presence is still questionable in many astrophysical sources.
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