Electronic structure of BaLi: the (2) 2Sigma+ state
J Verges, J d'Incan, C Effantin, A Bernard… - Journal of Physics B …, 1994 - iopscience.iop.org
J Verges, J d'Incan, C Effantin, A Bernard, G Fabre, R Stringat, A Boulezhar
Journal of Physics B: Atomic, Molecular and Optical Physics, 1994•iopscience.iop.orgA system of the BaLi molecule observed in the infrared at 5500-6300 cm-1 is ascribed to a
transition between a 2 Sigma+ state and the ground state X 2 Sigma+. The (0-0) band is
rotationally analysed. The upper electronic state at an energy of about 5800 cm-1 is
identified with the previously predicted (2) 2 Sigma+ state. Values of constants (in cm-1, for
upsilon= 0, Ba 7 Li) are as follows: T 00= 5779.57, B 0= 0.21683, 10 6 D 0= 0.800, Y 0=
0.156.
transition between a 2 Sigma+ state and the ground state X 2 Sigma+. The (0-0) band is
rotationally analysed. The upper electronic state at an energy of about 5800 cm-1 is
identified with the previously predicted (2) 2 Sigma+ state. Values of constants (in cm-1, for
upsilon= 0, Ba 7 Li) are as follows: T 00= 5779.57, B 0= 0.21683, 10 6 D 0= 0.800, Y 0=
0.156.
Abstract
A system of the BaLi molecule observed in the infrared at 5500-6300 cm-1 is ascribed to a transition between a 2 Sigma+ state and the ground state X 2 Sigma+. The (0-0) band is rotationally analysed. The upper electronic state at an energy of about 5800 cm-1 is identified with the previously predicted (2) 2 Sigma+ state. Values of constants (in cm-1, for upsilon= 0, Ba 7 Li) are as follows: T 00= 5779.57, B 0= 0.21683, 10 6 D 0= 0.800, Y 0= 0.156.
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