Dergi makalesi Açık Erişim
CERN İşbirliği
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<subfield code="a"><p>The luminosity determination for the ATLAS detector at the LHC during Run 2 is presented, with pp collisions at a centre-of-mass energy $\sqrt{s}=13$ TeV. The absolute luminosity scale is determined using van der Meer beam separation scans during dedicated running periods in each year, and extrapolated to the physics data-taking regime using complementary measurements from several luminosity-sensitive detectors. The total uncertainties in the integrated luminosity for each individual year of data-taking range from 0.9% to 1.1%, and are partially correlated between years. After standard data-quality selections, the full Run 2 pp data sample corresponds to an integrated luminosity of $140.1±1.2$ ${\text{fb}}^{-1}$ , i.e. an uncertainty of 0.83%. A dedicated sample of low-pileup data recorded in 2017–2018 for precision Standard Model physics measurements is analysed separately, and has an integrated luminosity of $338.1±3.1$ ${\text{pb}}^{-1}$ .</p></subfield>
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<subfield code="a">Luminosity determination in pp collisions at $\sqrt{s}=13$ TeV using the ATLAS detector at the LHC</subfield>
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