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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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Publication details

The article was received on 25 Apr 2017, accepted on 02 Aug 2017 and first published on 03 Aug 2017


Article type: Paper
DOI: 10.1039/C7CP04310D
Citation: Phys. Chem. Chem. Phys., 2017,19, 22926-22933
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    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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