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arxiv: 1211.5079 · v1 · pith:IWSE6MG7new · submitted 2012-11-21 · ⚛️ physics.atm-clus · physics.atom-ph

Comment on "Measurement of a large Chemical Reaction Rate between Ultracold Closed-Shell ⁴⁰Ca Atoms and Open-Shell ¹⁷⁴Yb⁺ Ions Held in a Hybrid Atom-Ion Trap"

classification ⚛️ physics.atm-clus physics.atom-ph
keywords commentlargerateatom-ionatomschemicalclosed-shelldiscrepancy
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We estimate the radiative quenching rate of the $^{40}$Ca - $^{174}$Yb$^{+}$ molecular ion and find that it under-estimates the value reported in recent experiments by about 5 orders of magnitude. We comment on possible explanations for this large discrepancy.

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