Now showing items 21-40 of 89

• #### Measurement of the dependence of transverse energy production at large pseudorapidity on the hard-scattering kinematics of proton-proton collisions at s√=2.76 TeV with ATLAS ﻿

(Elsevier BV, 2016)
The relationship between jet production in the central region and the underlying-event activity in a pseudorapidity-separated region is studied in 4.0 pb−1 of s√=2.76 TeV pp collision data recorded with the ATLAS detector ...
• #### Measurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum in s√ = 8 TeV proton-proton collisions using the ATLAS detector ﻿

(American Physical Society (APS), 2016)
The differential cross-section for pair production of top quarks with high transverse momentum is measured in 20.3 fb−1 of proton-proton collisions at a center-of-mass energy of 8 TeV. The measurement is performed for tt¯ ...
• #### Measurement of the Differential Cross-Sections of Prompt and Non-Prompt Production of J/ψ and ψ(2S) in Pp Collisions at √s=7 and 8 TeV With the ATLAS Detector ﻿

(Springer Nature, 2016)
The production rates of prompt and non-prompt J/ψ and ψ(2S) mesons are measured using 2.1 fb−1 and 11.4 fb−1 of data collected with the ATLAS experiment at the LHC, in proton-proton collisions at s√=7 and 8 TeV respectively. ...
• #### Measurement of the Production and Lepton Charge Asymmetry of W Bosons in Pb+Pb Collisions at √sNN = 2.76 TeV With the ATLAS Detector ﻿

(Springer Nature, 2015)
A measurement of W boson production in lead-lead collisions at √sNN=2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity ...
• #### Measurement of the production cross-section of a single top quark in association with a W boson at 8 TeV with the ATLAS experiment ﻿

(Springer Nature, 2016)
The cross-section for the production of a single top quark in association with a W boson in proton--proton collisions at s√=8 TeV is measured. The dataset corresponds to an integrated luminosity of 20.3 fb−1, collected by ...
• #### Measurement of the prompt J/ψ pair production cross-section in pp collisions at √s=8 TeV with the ATLAS detector ﻿

(Springer Nature, 2017)
The production of two prompt J/ψ mesons, each with transverse momenta pT>8.5 GeV and rapidity |y|<2.1, is studied using a sample of proton-proton collisions at √s=8 TeV, corresponding to an integrated luminosity of 11.4 ...
• #### A Measurement of the Ratio of the Production Cross Sections for W and Z Bosons in Association With Jets With the ATLAS Detector ﻿

(Springer Nature, 2014)
The ratio of the production cross sections for W and Z bosons in association with jets has been measured in proton-proton collisions at s√ = 7 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is ...
• #### Measurement of the top quark mass in the tt¯→ lepton+jets tt¯→ lepton+jets and tt¯→ dilepton tt¯→ dilepton channels using √s=7 TeV ATLAS data ﻿

(Springer Nature, 2015)
The top quark mass was measured in the channels tt → lepton+jets and tt → dilepton (lepton = e, μ) based on ATLAS data recorded in 2011. The data were taken at the LHC with a proton–proton centre-of-mass energy of √s = 7 ...
• #### Measurement of the Top-Quark Mass in the Fully Hadronic Decay Channel From ATLAS Data at √s= 7TeV ﻿

(Springer Nature, 2015)
The mass of the top quark is measured in a data set corresponding to 4.6 fb-1 of proton–proton collisions with centre-of-mass energy √ = 7TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic ...
• #### 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 ﻿

(Springer Nature, 2016)
Distributions of transverse momentum p T and the related angular variable φ ∗ η of Drell–Yan lepton pairs are measured in 20.3 fb−1 of proton–proton collisions at √ s = 8 TeV with the ATLAS detector at the LHC. Measurements ...
• #### Measurement of the transverse momentum and ϕ∗ηϕη∗ distributions of Drell–Yan lepton pairs in proton–proton collisions at s√=8s=8 TeV with the ATLAS detector ﻿

(Springer Nature, 2016)
Distributions of transverse momentum pllT and the angular variable ϕ∗η of Drell--Yan lepton pairs are measured in 20.3 fb−1 of proton--proton collisions at s√=8 TeV with the ATLAS detector at the LHC. Measurements in ...
• #### Measurement of the tt¯ production cross section in the τ + jets final state in pp collisions at s√=8 TeV using the ATLAS detector ﻿

(American Physical Society (APS), 2017)
A measurement of the inclusive pp→tt¯+X production cross section in the τ+jets final state using only the hadronic decays of the τ lepton is presented. The measurement is performed using 20.2 fb−1 of proton-proton collision ...
• #### Measurement of the tt¯Z and tt¯W production cross sections in multilepton final states using 3.2 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector ﻿

(Springer Nature, 2017)
A measurement of the tt¯Z and tt¯W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton ...
• #### Measurement of the W boson polarisation in tt¯ events from pp collisions at s√ = 8 TeV in the lepton+jets channel with ATLAS ﻿

(Springer Nature, 2017)
This paper presents a measurement of the polarisation of W bosons from tt¯ decays, reconstructed in events with one high-pT lepton and at least four jets. Data from pp collisions at the LHC were collected at s√ = 8 TeV and ...
• #### Measurement of the ZZ production cross section in pp collisions at s√ = 8 TeV using the ZZ→ℓ−ℓ+ℓ′−ℓ′+ and ZZ→ℓ−ℓ+νν¯ channels with the ATLAS detector ﻿

(Springer Nature, 2017)
A measurement of the ZZ production in the ℓ−ℓ+ℓ′−ℓ′+ and ℓ−ℓ+νν¯ channels (ℓ=e,μ) in proton--proton collisions at s√=8 TeV at the Large Hadron Collider at CERN, using data corresponding to an integrated luminosity of 20.3 ...
• #### Measurement of Three-Jet Production Cross-Sections in pp Collisions at 7 TeV Centre-of-Mass Energy Using the ATLAS Detector ﻿

(Springer Nature, 2015)
Double-differential three-jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of √s=7 TeV using the ATLAS detector at the Large Hadron Collider. The measurements are presented ...
• #### Measurement of transverse energy-energy correlations in multi-jet events in pp collisions at s√=7 TeV using the ATLAS detector and determination of the strong coupling constant αs(mZ) ﻿

(Elsevier BV, 2015)
High transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy-energy correlation function and its associated azimuthal asymmetry. The data were recorded ...
• #### Measurement of W+W− production in association with one jet in proton--proton collisions at s√=8 TeV with the ATLAS detector ﻿

(Elsevier BV, 2016)
The production of W boson pairs in association with one jet in pp collisions at s√=8 TeV is studied using data corresponding to an integrated luminosity of 20.3 fb−1 collected by the ATLAS detector during 2012 at the CERN ...
• #### Measurements of charge and CP asymmetries in b-hadron decays using top-quark events collected by the ATLAS detector in pp collisions at s√=8 TeV ﻿

(Springer Nature, 2017)
Same- and opposite-sign charge asymmetries are measured in lepton+jets tt¯ events in which a b-hadron decays semileptonically to a soft muon, using data corresponding to an integrated luminosity of 20.3 fb−1 from proton--proton ...
• #### Measurements of Fiducial Cross-Sections for tt¯ Production With One or Two Additional b -Jets in pp Collisions at √s = 8 TeV Using the ATLAS Detector ﻿

(Springer Nature, 2016)
Fiducial cross-sections for tt¯ production with one or two additional b -jets are reported, using an integrated luminosity of 20.3 fb -1 of proton–proton collisions at a centre-of-mass energy of 8 TeV at the Large Hadron ...