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Magnetic Feshbach resonances in collisions of 23Na40K with 40K

Wang, Xin-Yao; Frye, Matthew D; Su, Zhen; Cao, Jin; Liu, Lan; Zhang, De-Chao; Yang, Huan; Hutson, Jeremy M; Zhao, Bo; Bai, Chun-Li; Pan, Jian-Wei

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Xin-Yao Wang

Zhen Su

Jin Cao

Lan Liu

De-Chao Zhang

Huan Yang

Bo Zhao

Chun-Li Bai

Jian-Wei Pan


We present measurements of more than 80 magnetic Feshbach resonances in collisions of ultracold 23Na40K with 40K. We assign quantum numbers to a group of low-field resonances and show that they are probably due to long-range states of the triatomic complex in which the quantum numbers of the separated atom and molecule are approximately preserved. The resonant states are not members of chaotic bath of short-range states. Similar resonances are expected to be a common feature of alkali-metal diatom + atom systems.


Wang, X., Frye, M. D., Su, Z., Cao, J., Liu, L., Zhang, D., …Pan, J. (2021). Magnetic Feshbach resonances in collisions of 23Na40K with 40K. New Journal of Physics, 23(11), Article 115010.

Journal Article Type Article
Acceptance Date Oct 25, 2021
Online Publication Date Nov 30, 2021
Publication Date 2021-11
Deposit Date Jan 18, 2022
Publicly Available Date Feb 1, 2022
Journal New Journal of Physics
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 23
Issue 11
Article Number 115010
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Copyright Statement
Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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