Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session N01: Poster Session II (4:00-6:00pm, EDT)
4:00 PM,
Wednesday, June 1, 2022
Room: Grand Ballroom C
Abstract: N01.00035 : Quantum dynamics of ultracold Li + CaF → LiF+ Ca chemical reaction*
Presenter:
Humberto da Silva
(University of Nevada, Las Vegas)
Authors:
Humberto da Silva
(University of Nevada, Las Vegas)
Masato Morita
(University of Nevada - Las Vegas)
Qian Yao
(University of New Mexico)
Hua Guo
(University of New Mexico)
Brian K Kendrick
(Los Alamos Natl Lab)
Balakrishnan Naduvalath
(University of Nevada - Las Vegas)
Recently, the first measurement of CaF + CaF inelastic collisions, loaded into optical tweezers, has been made. Investigation of magnetic Feshbach resonances in 6Li+CaF collisions and reactions of CaF and 6Li mixtures near quantum degeneracy are topics of current interest. In this work, we construct a global three-dimensional potential energy surface for the Li+CaF system and report preliminary results of quantum scattering calculations of the 6Li+CaF→ 6LiF+Ca chemical reaction. The reaction is characterized by an exoergicity of about 0.5 eV populating up to five vibrational manifolds, and a few hundred rotational levels of LiF, that are energetically accessible at a collision energy of 1 mK.
*This work is supported in part by NSF grant No. PHY- 1806334 & PHY-2110227 as well as ARO MURI grant No. W911NF-19-1-0283.
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