THE PHOTODISSOCIATION OF THE LITHIUM MOLECULE
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Date
1978
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Ohio State University
Abstract
The photo dissociation of the lithium molecule is studied theoretically. Detailed calculations are presented of the oscillator strengths for the $X^{1} \Sigma_{g}{^{+}} - A^{1} \Sigma_{u}{^{+}}$ and $X^{1} \Sigma_{g}{^{+}} - B^{1} \Pi_{u}$ transitions which show chat direct photo-dissociation into the vibrational continuum of the excited state is negligible as is spontaneous radiative dissociation following discrete absorption. We argue that photodissociation occurs mostly by discrete absorption into the $A^{1} \Sigma_{u}{^{+}}$ state followed by nonradiative transitions into the $b^{3} \Pi_{u}$ and $a^{3} \Sigma_{u}{^{+}}$ states. A theoretical description of the dissociation mechanism is given.
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Author Institution: Harvard-Smithsonian Center for Astrophysics