Measurement of the transverse momentum and φ∗ η distributions of Drell–Yan lepton pairs in proton–proton collisions at √s = 8 TeV with the ATLAS detector. / The ATLAS Collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 76, 291, 23.05.2016, p. 1-61.

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Measurement of the transverse momentum and φ∗ η distributions of Drell–Yan lepton pairs in proton–proton collisions at √s = 8 TeV with the ATLAS detector. / The ATLAS Collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 76, 291, 23.05.2016, p. 1-61.

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The ATLAS Collaboration. / Measurement of the transverse momentum and φ∗ η distributions of Drell–Yan lepton pairs in proton–proton collisions at √s = 8 TeV with the ATLAS detector. In: European Physical Journal C: Particles and Fields. 2016 ; Vol. 76. pp. 1-61.

BibTeX

@article{7d504e88f0c4471f9e0c754515ae05fa,
title = "Measurement of the transverse momentum and φ∗ η distributions of Drell–Yan lepton pairs in proton–proton collisions at √s = 8 TeV with the ATLAS detector",
abstract = "Distributions of transverse momentum pℓℓT and the related angular variable ϕ∗η of DrellΓ{\c C}{\^o}Yan lepton pairs are measured in 20.3┬{\'a}fb−1 of protonΓ{\c C}{\^o}proton collisions at √s=8┬{\'a}TeV with the ATLAS detector at the LHC. Measurements in electron-pair and muon-pair final states are corrected for detector effects and combined. Compared to previous measurements in protonΓ{\c C}{\^o}proton collisions at √s=7┬{\'a}TeV, these new measurements benefit from a larger data sample and improved control of systematic uncertainties. Measurements are performed in bins of lepton-pair mass above, around and below the Z-boson mass peak. The data are compared to predictions from perturbative and resummed QCD calculations. For values of ϕ∗η<1 the predictions from the Monte Carlo generator ResBos are generally consistent with the data within the theoretical uncertainties. However, at larger values of ϕ∗η this is not the case. Monte Carlo generators based on the parton-shower approach are unable to describe the data over the full range of pℓℓT while the fixed-order prediction of Dynnlo falls below the data at high values of pℓℓT. ResBos and the parton-shower Monte Carlo generators provide a much better description of the evolution of the ϕ∗η and pℓℓT distributions as a function of lepton-pair mass and rapidity than the basic shape of the data.",
author = "{The ATLAS Collaboration}",
year = "2016",
month = may,
day = "23",
doi = "10.1140/epjc/s10052-016-4070-4",
language = "English",
volume = "76",
pages = "1--61",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "Springer New York",

}

RIS

TY - JOUR

T1 - Measurement of the transverse momentum and φ∗ η distributions of Drell–Yan lepton pairs in proton–proton collisions at √s = 8 TeV with the ATLAS detector

AU - The ATLAS Collaboration

PY - 2016/5/23

Y1 - 2016/5/23

N2 - Distributions of transverse momentum pℓℓT and the related angular variable ϕ∗η of DrellΓÇôYan lepton pairs are measured in 20.3┬áfb−1 of protonΓÇôproton collisions at √s=8┬áTeV with the ATLAS detector at the LHC. Measurements in electron-pair and muon-pair final states are corrected for detector effects and combined. Compared to previous measurements in protonΓÇôproton collisions at √s=7┬áTeV, these new measurements benefit from a larger data sample and improved control of systematic uncertainties. Measurements are performed in bins of lepton-pair mass above, around and below the Z-boson mass peak. The data are compared to predictions from perturbative and resummed QCD calculations. For values of ϕ∗η<1 the predictions from the Monte Carlo generator ResBos are generally consistent with the data within the theoretical uncertainties. However, at larger values of ϕ∗η this is not the case. Monte Carlo generators based on the parton-shower approach are unable to describe the data over the full range of pℓℓT while the fixed-order prediction of Dynnlo falls below the data at high values of pℓℓT. ResBos and the parton-shower Monte Carlo generators provide a much better description of the evolution of the ϕ∗η and pℓℓT distributions as a function of lepton-pair mass and rapidity than the basic shape of the data.

AB - Distributions of transverse momentum pℓℓT and the related angular variable ϕ∗η of DrellΓÇôYan lepton pairs are measured in 20.3┬áfb−1 of protonΓÇôproton collisions at √s=8┬áTeV with the ATLAS detector at the LHC. Measurements in electron-pair and muon-pair final states are corrected for detector effects and combined. Compared to previous measurements in protonΓÇôproton collisions at √s=7┬áTeV, these new measurements benefit from a larger data sample and improved control of systematic uncertainties. Measurements are performed in bins of lepton-pair mass above, around and below the Z-boson mass peak. The data are compared to predictions from perturbative and resummed QCD calculations. For values of ϕ∗η<1 the predictions from the Monte Carlo generator ResBos are generally consistent with the data within the theoretical uncertainties. However, at larger values of ϕ∗η this is not the case. Monte Carlo generators based on the parton-shower approach are unable to describe the data over the full range of pℓℓT while the fixed-order prediction of Dynnlo falls below the data at high values of pℓℓT. ResBos and the parton-shower Monte Carlo generators provide a much better description of the evolution of the ϕ∗η and pℓℓT distributions as a function of lepton-pair mass and rapidity than the basic shape of the data.

U2 - 10.1140/epjc/s10052-016-4070-4

DO - 10.1140/epjc/s10052-016-4070-4

M3 - Article

VL - 76

SP - 1

EP - 61

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

M1 - 291

ER -