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Measurement of the Z/γ boson transverse momentum distribution in pp collisions at √s = 7 TeV with the ATLAS detector
Journal article   Open access   Peer reviewed

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

Georges Aad, Brad Abbott, Jalal Abdallah, Samah Abdel Khalek, Ovsat Bahram Oglu Abdinov, Rosemarie Aben, Babak Abi, Maris Abolins, Hass Abouzeid, Halina Abramowicz, …
The journal of high energy physics, Vol.2014(9), 145
01/01/2014
DOI: 10.1007/jhep09(2014)145
url
https://doi.org/10.1007/jhep09(2014)145View
Published (Version of record) Open Access

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.
High Energy Physics Experiment Hadron Hadron Scattering Nuclear Experiment Phenomenology

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