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Interactions and dynamics in Li+Li2 ultracold collisions.

Cvitaš, Marko T. and Soldán, Pavel and Hutson, Jeremy M. and Honvault, Pascal and Launay, Jean-Michel (2007) 'Interactions and dynamics in Li+Li2 ultracold collisions.', Journal of chemical physics., 127 (7). 074302.


A potential energy surface for the lowest quartet electronic state (A′4) of lithium trimer is developed and used to study spin-polarized Li+Li2collisions at ultralow kinetic energies. The potential energy surface allows barrierless atom exchange reactions. Elastic and inelastic cross sections are calculated for collisions involving a variety of rovibrational states of Li2. Inelastic collisions are responsible for trap loss in molecule production experiments. Isotope effects and the sensitivity of the results to details of the potential energy surface are investigated. It is found that for vibrationally excited states, the cross sections are only quite weakly dependent on details of the potential energy surface.

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Publisher statement:© 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in The Journal of Chemical Physics 127, 074302 (2007) and may be found at
Date accepted:01 June 2007
Date deposited:18 August 2015
Date of first online publication:August 2007
Date first made open access:No date available

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