Tag: lepton

  • The delicate balance of lepton flavours

    The delicate balance of lepton flavours

    New ATLAS measurement of lepton flavour universality, a key feature of the Standard Model, in decays of the W boson is more precise than all previous measurements combined

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  • LHCb brings leptons into line

    LHCb brings leptons into line

    Simultaneous measurements of rare B-meson decays using the full LHC Run 1 and 2 data samples agree with the predictions of the Standard Model, superseding previous results that had indicated intriguing departures from the 50-year old theory

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  • ATLAS seeks out unusual signatures of long-lived particles

    Physicists at the ATLAS experiment are on the hunt for new, long-lived particles to help explain several outstanding mysteries of our Universe

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