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Showing 1–4 of 4 results
Advanced filters: Author: V. V. Flambaum Clear advanced filters

  • Exotic spin-dependent force are among the possible extensions of the Standard Model that can be probed by precision measurements. Here, the authors use a spin-exchange-relaxation free (SERF) K-Rb-21Ne comagnetometer to improve limits on spin- and velocity dependent forces.

    • Kai Wei
    • Wei Ji
    • Dmitry Budker
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • The weak interaction between the nucleus and the electrons in a chain of Yb isotopes is measured with tabletop atomic physics techniques. The dependence of the interaction strength on the number of neutrons confirms the prediction by standard model.

    • D. Antypas
    • A. Fabricant
    • D. Budker
    Research
    Nature Physics
    Volume: 15, P: 120-123

  • Exotic theories predict the violation of Lorentz symmetry, which could potentially be spotted in low-energy experiments. Using ytterbium ions could improve the current sensitivity bounds by five orders of magnitude.

    • V. A. Dzuba
    • V. V. Flambaum
    • H. Häffner
    Research
    Nature Physics
    Volume: 12, P: 465-468

  • A clock using the excitation of a low-energy excited state in the 229Th nucleus promises high accuracy and sensitivity to new physics. The recently measured properties of this nucleus will lead to nuclear laser spectroscopy with trapped Th ions and Th-doped crystals.

    • Kjeld Beeks
    • Tomas Sikorsky
    • Ekkehard Peik
    Reviews
    Nature Reviews Physics
    Volume: 3, P: 238-248