Limits on temporal variation of fine structure constant, quark masses and strong interaction from atomic clock experiments
V. V. Flambaum
Abstract
We perform calculations of the dependence of nuclear magnetic moments on quark masses and obtain limits on the variation of the ratio of quark mass and strong interaction scale (mq/LambdaQCD) from recent atomic clock experiments with hyperfine transitions in H, Rb, Cs, Yb+, Hg+ and optical transition in Hg+. Experiments with Cd+, deuterium/hydrogen, molecule SF6, Zeeman transitions in He3/Xe are also discussed.
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