Limits on the temporal variation of the fine structure constant, quark masses and strong interaction from quasar absorption spectra and atomic clock experiments

Abstract

We perform calculations of the dependence of nuclear magnetic moments on quark masses and obtain limits on the variation of $(m_q/{\Lambda }_{QCD})$ from recent measurements of hydrogen hyperfine (21 cm) and molecular rotational transitions in quasar absorption systems, atomic clock experiments with hyperfine transitions in H, Rb, Cs, Yb${}^{+}$, Hg${}^{+}$ and optical transition in Hg${}^{+}$. Experiments with Cd${}^{+}$, deuterium/hydrogen, molecular SF${}_6$ and Zeeman transitions in ${}^3$He/Xe are also discussed.

arXiv comment8 pages, 1 figure, uses revtex4

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