Measurement of the Z/γ* boson transverse momentum distribution in pp collisions at √s=7TeV with the ATLAS detector

Barton, Adam Edward and Borissov, Guennadi and Bouhova-Thacker, Evelina Vassileva and Dearnaley, William and Fox, Harald and Grimm, Kathryn Ann Tschann and Henderson, Robert Charles William and Hughes, Gareth and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin Eamonn and Love, Peter Allan and Smizanska, Maria and Walder, James William (2014) Measurement of the Z/γ* boson transverse momentum distribution in pp collisions at √s=7TeV with the ATLAS detector. Journal of High Energy Physics (9). ISSN 1029-8479

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Abstract

This paper describes a measurement of the Z/γ* boson transverse momentum spectrum using ATLAS proton-proton collision data at a centre-of-mass energy of √s=7 TeV at the LHC. The measurement is performed in the Z/γ* → e+e− and Z/γ* → μ+μ− channels, using data corresponding to an integrated luminosity of 4.7 fb−1. Normalized differential cross sections as a function of the Z/γ* boson transverse momentum are measured for transverse momenta up to 800 GeV. The measurement is performed inclusively for Z/γ* rapidities up to 2.4, as well as in three rapidity bins. The channel results are combined, compared to perturbative and resummed QCD calculations and used to constrain the parton shower parameters of Monte Carlo generators.

Item Type: Journal Article
Journal or Publication Title: Journal of High Energy Physics
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 80896
Deposited By: ep_importer_pure
Deposited On: 15 Aug 2016 10:10
Refereed?: Yes
Published?: Published
Last Modified: 11 Feb 2020 09:00
URI: https://eprints.lancs.ac.uk/id/eprint/80896

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