Original paper
Evidence for Nonlinear Isotope Shift in Yb +
Abstract
We measure isotope shifts for five Yb^+isotopes with zero nuclear spin on two narrow optical quadrupole transitions {}^2S_{1/2} \rightarrow {}^2D_{3/2} {}^2S_{1/2} \rightarrow {}^2D_{5/2}with an accuracy of \sim 300Hz. The corresponding King plot shows a 3 \times 10^{-7}deviation from linearity at the 3 \sigmauncertainty level. Such a nonlinearity can indicate physics beyond the Standard Model (SM) in the form of a new bosonic...
Paper Details
Title
Evidence for Nonlinear Isotope Shift in Yb +
Published Date
Sep 15, 2020
Journal
Volume
125
Issue
12
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