In a new study, described in a paper posted today on the arXiv and first presented at the LHCP 2020 conference, the ATLAS collaboration presents a precise measurement of lepton flavor universality using a brand-new technique
Por: CERN, Phys.org. Acesse aqui a matéria original.
ATLAS physicists examined collision events where pairs of top quarks decay to pairs of W bosons, and subsequently into leptons. "The LHC is a top-quark factory, and produced 100 million top-quark pairs during Run 2," says Klaus Moenig, ATLAS Physics Coordinator. "This gave us a large unbiased sample of W bosons decaying to muons and tau leptons, which was essential for this high-precision measurement." Saiba mais...
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