Speaker
Olof Lundberg
(KTH Royal Institute of Technology (SE))
Description
A precise measurement of the luminosity is a crucial input for many ATLAS physics analyses, and represents
the leading uncertainty for W, Z and top cross-section measurements. ATLAS luminosity determination in Run-3 of the LHC follows the procedure developed in Run-2 of the LHC. It is based on van-der-Meer scans during dedicated running periods each year to set the absolute scale, and an extrapolation to physics running conditions using complementary measurements from the ATLAS tracker and calorimeter subsystems. The presentation discusses the procedure of the ATLAS luminosity measurement, as well as the results obtained for the 2022 and 2023 pp datasets.
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Authors
Junjie Zhu
(University of Michigan (US))
Olof Lundberg
(KTH Royal Institute of Technology (SE))
