2022
DOI: 10.1103/physrevlett.128.073001
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Precision Determination of Isotope Shifts in Ytterbium and Implications for New Physics

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Cited by 34 publications
(27 citation statements)
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“…Sensitivity to beyond Standard Model physics. Precision measurements of frequency differences between different isotopes of two or more atomic transitions [46][47][48] can be used to search for hypothetical new bosons in the intermediate mass range that mediate interactions between quarks and leptons [49,50]. Such isotope shift data are analysed using a King plot, where massscaled frequency shifts of two optical transitions are plotted against each other for a series of isotopes [51].…”
Section: Discussionmentioning
confidence: 99%
“…Sensitivity to beyond Standard Model physics. Precision measurements of frequency differences between different isotopes of two or more atomic transitions [46][47][48] can be used to search for hypothetical new bosons in the intermediate mass range that mediate interactions between quarks and leptons [49,50]. Such isotope shift data are analysed using a King plot, where massscaled frequency shifts of two optical transitions are plotted against each other for a series of isotopes [51].…”
Section: Discussionmentioning
confidence: 99%
“…However, in Refs. [1,3,5] small deviations from linearity in the King plot have been observed. Multiple explanations have been offered in Refs.…”
Section: Introductionmentioning
confidence: 92%
“…To calculate FIS using (1) we need to know electronic structure factors F , G (2) , G (4) , nuclear factors δ r 2 , δ r 4 , and nuclear parameters for the nuclear polarisation potentials V 1 and V 2 (see Eqs. (5,7)). Calculation of the electronic structure factors was considered in previous section and described in more details in our earlier paper on Yb + [14].…”
Section: A Non-linearities Of King Plotmentioning
confidence: 99%
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“…The most stringent bound on such fifth forces has been established based on Ca + isotope shift spectroscopy with up to 20 Hz resolution [268]. While Yb + measurements have revealed a 3σ nonlinearity [269], experiments in neutral Yb suggest that the nonlinearity may be caused by higher-order contributions within the SM [270]. A possible improvement of the bounds can be achieved by choosing one transition in the King-plot comparison from a trapped-ion clock and the other from neutral atoms optical lattice clocks of the same species; e.g.…”
Section: B Isotope Shift Precision Measurementsmentioning
confidence: 99%