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- W4367061027 abstract "The calcium monofluoride (CaF) molecule has emerged as a promising candidate for precision measurements, quantum simulation, and ultracold chemistry experiments. Inelastic and reactive collisions of laser cooled CaF molecules in optical tweezers have recently been reported and collisions of cold Li atoms with CaF are of current experimental interest. In this paper, we report ab initio electronic structure and full-dimensional quantum dynamical calculations of the Li + CaF $to$ LiF + Ca chemical reaction. The electronic structure calculations are performed using the internally contracted multi-reference configuration-interaction method with Davidson correction (MRCI+Q). An analytic fit of the interaction energies is obtained using a many-body expansion method. A coupled-channel quantum reactive scattering approach implemented in hyperspherical coordinates is adopted for the scattering calculations under cold conditions. Results show that the Li + CaF reaction populates several low-lying vibrational levels and many rotational levels of the product LiF molecule and that the reaction is inefficient in the 1-100 mK regime allowing sympathetic cooling of CaF by collisions with cold Li atoms." @default.
- W4367061027 created "2023-04-27" @default.
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- W4367061027 date "2023-04-25" @default.
- W4367061027 modified "2023-09-26" @default.
- W4367061027 title "The Li + CaF $to$ Ca + LiF chemical reaction under cold conditions" @default.
- W4367061027 doi "https://doi.org/10.48550/arxiv.2304.12927" @default.
- W4367061027 hasPublicationYear "2023" @default.
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