Now showing items 41-60 of 128

• #### Measurement of the production cross section of prompt J/ψ mesons in association with a W± boson in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-04)
The process pp → W ± J/ψ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the colliding protons. Using the 2011 ATLAS ...
• #### Measurement of the production cross-section of ψ(2S) → J/ψ(→μ+μ−)π+π− in pp collisions at √s = 7 TeV at ATLAS ﻿

(Peer reviewed; Journal article, 2014-09-12)
The prompt and non-prompt production cross-sections for ψ(2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. The measurement exploits ...
• #### Measurement of the prompt $J/\psi$ pair production cross-section in pp collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-02)
The production of two prompt $J/\psi$ mesons, each with transverse momenta $p_{\mathrm{T}}>8.5$ GeV and rapidity $|y| < 2.1$, is studied using a sample of proton-proton collisions at $\sqrt{s} = 8$ TeV, corresponding ...
• #### A measurement of the ratio of the production cross sections for W and Z bosons in association with jets with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-12-02)
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√=7TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is ...
• #### Measurement of the t(Formula Presented.) production cross-section as a function of jet multiplicity and jet transverse momentum in 7 TeV proton-proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2015-01-08)
The tt⎯⎯ production cross-section dependence on jet multiplicity and jet transverse momentum is reported for proton-proton collisions at a centre-of-mass energy of 7 TeV in the single-lepton channel. The data were collected ...
• #### Measurement of the top quark mass in the $t\bar t \to {\rm lepton+jets}$ and $t\bar t \to {\rm dilepton}$ channels using $\sqrt{s}=7$ TeV ATLAS data ﻿

(Peer reviewed; Journal article, 2015-07)
The top quark mass was measured in the channels $t\bar{t} \to \mathrm{lepton+jets}$ and $t\bar{t} \to \mathrm{dilepton}$ (lepton=$e, \mu$) based on ATLAS data recorded in 2011. The data were taken at the LHC with a ...
• #### Measurement of the top quark pair production charge asymmetry in proton-proton collisions at √s = 7 TeV using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-02)
This paper presents a measurement of the top quark pair ( tt¯ ) production charge asymmetry A C using 4.7 fb−1 of proton-proton collisions at a centre-of-mass energy s√ = 7 TeV collected by the ATLAS detector at the LHC. ...
• #### Measurement of the top-quark mass in the fully hadronic decay channel from ATLAS data at $\sqrt{s}=7$ TeV ﻿

(Peer reviewed; Journal article, 2015-04-23)
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 $\sqrt{s}=7$ TeV collected by the ATLAS detector at the LHC. Events consistent ...
• #### Measurement of the tt production cross-section using eμ events with b-tagged jets in pp collisions at √s = 7 and 8 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-10-29)
The inclusive top quark pair (tt) production cross-section σtt has been measured in proton–proton collisions at √s =7 TeV and √s = 8 TeV with the ATLAS experiment at the LHC, using tt events with an oppositecharge eμ pair ...
• #### Measurement of the underlying event in jet events from 7 TeV proton–proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-08)
Distributions sensitive to the underlying event in QCD jet events have been measured with the ATLAS detector at the LHC, based on 37 pb‾¹ of proton–proton collision data collected at a centre-of-mass energy of 7 TeV. ...
• #### Measurement of the W-boson mass in pp collisions at s√=7TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-02-06)
A measurement of the mass of the W boson is presented based on proton–proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to 4.6 fb−1 of integrated ...
• #### Measurement of the Z/γ* boson transverse momentum distribution in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-09-24)
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 ...
• #### Measurement of three-jet production cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2015-05-27)
Double-differential three-jet production cross-sections are measured in proton–proton collisions at a centre-of-mass energy of s√=7TeV using the ATLAS detector at the large hadron collider. The measurements are presented ...
• #### Measurement of W and Z production in proton-proton collisions at p s = 7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2011-09-14)
We present studies of W and Z bosons with associated high energy photons produced in pp collisions at s=7 TeV. The analysis uses 35 pb−1 of data collected by the ATLAS experiment in 2010. The event selection requires W and ...
• #### Measurement of τ polarisation in Z/γ∗→ττ decays in proton–proton collisions at s√=8 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-02)
This paper presents a measurement of the polarisation of τ leptons produced in Z/γ ∗ → τ τ decays which is performed with a dataset of proton—proton collisions at √s = 8 TeV, corresponding to an integrated luminosity of ...
• #### Measurements of CP-conserving trilinear gauge boson couplings WWV (V≡γ,Z) in e+e− collisions at LEP2 ﻿

(Peer reviewed; Journal article, 2010)
The data taken by Delphi at centre-of-mass energies between 189 and 209 GeV are used to place limits on the CP-conserving trilinear gauge boson couplings DgZ1g1Z, λ γ and Δκ γ associated to W + W − and single W production ...
• #### Measurements of electroweak $Wjj$ production and constraints on anomalous gauge couplings with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-07)
Measurements of the electroweak production of a $W$ boson in association with two jets at high dijet invariant mass are performed using $\sqrt{s} = 7$ and $8$ TeV proton--proton collision data produced by the Large ...
• #### Measurements of fiducial and differential cross sections for Higgs boson production in the diphoton decay channel at √s=8 TeV with ATLAS ﻿

(Peer reviewed; Journal article, 2014-09-19)
Measurements of fiducial and differential cross sections are presented for Higgs boson production in proton-proton collisions at a centre-of-mass energy of s√=8 TeV. The analysis is performed in the H → γγ decay channel ...
• #### Measurements of four-lepton production at the Z resonance in pp collisions at √s = 7 and 8 TeV with ATLAS ﻿

(Peer reviewed; Journal article, 2014-06-13)
Measurements of four-lepton (4ℓ, ℓ=e,μ) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions mℓ+ℓ−>5  GeV and ...
• #### Measurements of jet vetoes and azimuthal decorrelations in dijet events produced in $pp$ collisions at $\sqrt{s}$ = 7 TeV using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-11)
Additional jet activity in dijet events is measured using $pp$ collisions at ATLAS at a centre-of-mass energy of 7 TeV, for jets reconstructed using the anti-kt algorithm with radius parameter R=0.6. This is done using ...