Luminosity determination in pp collisions at √s=13 TeV using the ATLAS detector at the LHC

ATLAS Collaboration

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

81 Zitate (Scopus)

Abstract

The luminosity determination for the ATLAS detector at the LHC during Run 2 is presented, with pp collisions at a centre-of-mass energy 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 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 pb - 1 .

OriginalspracheEnglisch
Aufsatznummer982
FachzeitschriftEuropean Physical Journal C
Jahrgang83
Ausgabenummer10
DOIs
PublikationsstatusVeröffentlicht - Okt. 2023

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