Three-Body Recombination of Cold $^{3}$He–$^{3}$He–T$^-$ System
Ming-Ming Zhao1 , Li-Hang Li2 , Bo-Wen Si1 , Bin-Bin Wang3* , Bina Fu4 , and Yong-Chang Han1,5*
1 Department of Physics, Dalian University of Technology, Dalian 116024, China2 Beijing Institute of Radio Measurement, Beijing 100854, China3 Physics and Space Science College, China West Normal University, Nanchong 637009, China4 State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China5 DUT-BSU Joint Institute, Dalian University of Technology, Dalian 116024, China
Abstract ：The atom-atom-anion three-body recombination (TBR) and collision induced dissociation (CID) processes of the $^{3}$He–$^{3}$He–T$^-$ system at ultracold temperatures are investigated by solving the Schrödinger equation in the adiabatic hyperspherical representation. The variations of the TBR and CID rates with the collision energies in the ultracold temperatures are obtained. It is found that the $J^{\varPi}=1^-$ symmetry dominates the TBR and CID processes in most of the considered collision energy range. The rate of TBR (CID) into (from) the $l=1$ anion is larger than those for the $l=0$ and $l=2$ anions, with the $l$ representing the rotational quantum number of $^{3}$HeT$^-$. This can be understood via the nonadiabatic couplings among the different channels.
收稿日期: 2022-05-05
出版日期: 2022-07-16
:
34.50.-s
(Scattering of atoms and molecules)
34.20.Gj
(Intermolecular and atom-molecule potentials and forces)
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2022, Vol. 39 
