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Showing 1–2 of 2 results
Advanced filters: Author: Lothar Maisenbacher Clear advanced filters

  • Measurement of the 2S–6P transition in cryogenic atomic hydrogen using laser spectroscopy reveals a proton radius value that is 2.5-fold more precise than previous determinations and in excellent agreement with the muonic value, and tests the Standard Model to 0.7 parts per trillion.

    • Lothar Maisenbacher
    • Vitaly Wirthl
    • Thomas Udem
    ResearchOpen Access
    Nature
    P: 1-7

  • In different applications the Gouy phase is used to describe broadband lasers, but new 3D measurements of the spatial dependence of a focused laser pulse show serious deviations from the Gouy phase.

    • Dominik Hoff
    • Michael Krüger
    • Peter Hommelhoff
    Research
    Nature Physics
    Volume: 13, P: 947-951