Observation of magnetic Feshbach resonances between Cs and 173Yb

Tobias Franzen, Alexander Guttridge, Kali E. Wilson, Jack Segal, Matthew D. Frye, Jeremy M. Hutson, Simon L. Cornish

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
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Abstract

We report the observation of magnetic Feshbach resonances between 173Yb and 133Cs. In a mixture of Cs atoms prepared in the (f=3,mf=3) state and unpolarized fermionic 173Yb, we observe resonant atom loss due to two sets of magnetic Feshbach resonances around 622 and 702 G. Resonances for individual Yb nuclear spin components mi,Yb are split by its interaction with the Cs electronic spin, which also provides the main coupling mechanism for the observed resonances. The observed splittings and relative resonance strengths are in good agreement with theoretical predictions from coupled-channel calculations.

Original languageEnglish
Article number043072
Number of pages7
JournalPhysical Review Research
Volume4
Issue number4
Early online date31 Oct 2022
DOIs
Publication statusPublished - 1 Dec 2022

Keywords

  • ultracold collisions
  • ultracold gases
  • Feshbach resonance

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