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Issue 34, 2017
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Cold atom–atom–ion three-body recombination of 4He–4He–X (X = H or D)

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Abstract

The atom–atom–ion three-body recombination (TBR) of mixed 4He and X (X = H or D) systems is investigated by solving the Schrödinger equation using the adiabatic hyperspherical representation method. It is shown that the dominant products after a TBR in the ultracold limit (E ≤ 0.1 mK × kB) are different for the two systems. For the 4He4HeH system, the rate of TBR into the 4HeH ion is nearly two orders of magnitude larger than that of TBR into the neutral 4He2 molecule. In contrast, the yield of 4He2 is a little higher than that of 4HeD for the 4He4HeD system. Furthermore, since the adiabatic potentials become more attractive and the nonadiabatic couplings become much stronger by substituting D for H in the 4He4HeH system, the total TBR rate for the 4He4HeD system is nearly two orders of magnitude larger than that for the 4He4HeH system.

Graphical abstract: Cold atom–atom–ion three-body recombination of 4He–4He–X− (X = H or D)

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Article information


Submitted
25 Apr 2017
Accepted
02 Aug 2017
First published
03 Aug 2017

Phys. Chem. Chem. Phys., 2017,19, 22926-22933
Article type
Paper

Cold atom–atom–ion three-body recombination of 4He–4He–X (X = H or D)

B. Wang, Y. Han, W. Gao and S. Cong, Phys. Chem. Chem. Phys., 2017, 19, 22926
DOI: 10.1039/C7CP04310D

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