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Defiducialization: Providing Experimental Measurements for Accurate Fixed-Order Predictions

14 Apr 2021, 12:35
20m
Virtual (Stony Brook, NY)

Virtual

Stony Brook, NY

Online
Contributed Talk Structure Functions and Parton Densities Structure function and parton densities

Speaker

alexander glazov (DESY)

Description

An experimental procedure is proposed to perform measurements of differential cross sections which can be compared to fixed-order QCD predictions with improved accuracy. The procedure can be applied to the Drell-Yan cross-section measurements which are differential in the boson transverse momentum. An example analysis is performed using the ATLAS measurement of the Z-boson production cross section at center-of-mass energy of 8 TeV. The resulting full phase space measurement of the cross section differential in the boson rapidity is compared to theoretical predictions computed with next-to-next-to leading-order accuracy in QCD.
(based on Eur. Phys. J. C 80, 875 (2020))

Primary author

Presentation materials