Measurement of the transverse momentum distribution of Drell-Yan lepton pairs in proton-proton collisions at √<i>s</i>=13TeV with the ATLAS detector



Aad, G, Abbott, B, Abbott, DC, Abud, A, Abeling, K, Abhayasinghe, DK, Abidi, SH, AbouZeid, OS, Abraham, NL, Abramowicz, H
et al (show 2945 more authors) (2020) Measurement of the transverse momentum distribution of Drell-Yan lepton pairs in proton-proton collisions at √<i>s</i>=13TeV with the ATLAS detector. EUROPEAN PHYSICAL JOURNAL C, 80 (7). pp. 415-434.

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Abstract

This paper describes precision measurements of the transverse momentum $p_\mathrm{T}^{\ell\ell}$ ($\ell=e,\mu$) and of the angular variable $\phi^{*}_{\eta}$ distributions of Drell-Yan lepton pairs in a mass range of 66-116 GeV. The analysis uses data from 36.1 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV collected by the ATLAS experiment at the LHC in 2015 and 2016. Measurements in electron-pair and muon-pair final states are performed in the same fiducial volumes, corrected for detector effects, and combined. Compared to previous measurements in proton-proton collisions at $\sqrt{s}=$7 and 8 TeV, these new measurements probe perturbative QCD at a higher centre-of-mass energy with a different composition of initial states. They reach a precision of 0.2% for the normalized spectra at low values of $p_\mathrm{T}^{\ell\ell}$. The data are compared with different QCD predictions, where it is found that predictions based on resummation approaches can describe the full spectrum within uncertainties.

Item Type: Article
Additional Information: 40 pages in total, author list starting page 24, 6 figures, 4 tables, published in Eur. Phys. J. C 80 (2020) 616. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/STDM-2018-14/
Uncontrolled Keywords: hep-ex, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 22 Jul 2020 11:25
Last Modified: 07 Oct 2023 06:19
DOI: 10.1140/epjc/s10052-020-8001-z
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3094872