Browsing Department of Physics and Technology by Title
Now showing items 1043-1062 of 2124
-
Measurement of the tt¯ production cross-section in the lepton+jets channel at √s=13 TeV with the ATLAS experiment
(Journal article; Peer reviewed, 2020-11-10)The top anti-top quark production cross-section is measured in the lepton+jets channel using proton– proton collision data at a centre-of-mass energy of √s = 13 TeV collected with the ATLAS detector at the LHC. The dataset ... -
Measurement of the tt¯ tt¯ production cross section in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2021)A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of ... -
Measurement of the t¯tZ and t¯tW cross sections in proton-proton collisions at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019)A measurement of the associated production of a top-quark pair ( t ¯ t ) with a vector boson ( W , Z ) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb − 1 of integrated ... -
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(→ ℓ+ℓ−)γ production cross-section in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020)The production of a prompt photon in association with a Z boson is studied in proton-proton collisions at a centre-of-mass energy s√ = 13 TeV. The analysis uses a data sample with an integrated luminosity of 139 fb−1 ... -
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 the Zγ→νν¯¯γ production cross section in pp collisions at √s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings
(Peer reviewed; Journal article, 2018)The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s√=13 TeV. The analysis uses a data sample with an integrated ... -
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 transverse energy at midrapidity in Pb-Pb collisions at \(\sqrt{s_{\rm NN}} = 2.76\) TeV
(Peer reviewed; Journal article, 2016-09)We report the transverse energy \(E_{\mathrm T}\) measured with ALICE at midrapidity in Pb-Pb collisions at \({\sqrt{s_{\mathrm {NN}}}}\) = 2.76 TeV as a function of centrality. The transverse energy was measured using ... -
Measurement of VH, H→bb¯¯¯production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector
(Peer reviewed; Journal article, 2019-05-23)Cross-sections of associated production of a Higgs boson decaying into bottomquark pairs and an electroweak gauge boson, W or Z, decaying into leptons are measured as a function of the gauge boson transverse momentum. The ... -
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 W± boson production in Pb+Pb collisions at √sNN−−−=5.02 TeVwith the ATLAS detector
(Peer reviewed; Journal article, 2019-11-18)A measurement of W± boson production in Pb+Pb collisions at sNN−−−√=5.02 TeV is reported using data recorded by the ATLAS experiment at the LHC in 2015, corresponding to a total integrated luminosity of 0.49nb−1. The W± ... -
Measurement of W±-boson and Z-boson production cross-sections in pp collisions at √s=2.76 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019-11-08)The production cross-sections for W± and Z bosons are measured using ATLAS data corresponding to an integrated luminosity of 4.0 pb−1 collected at a centre-of-mass energy s√=2.76 TeV. The decay channels W→ℓν and Z→ℓℓ are ... -
Measurement of W±Z production cross sections and gauge boson polarisation in pp collisions at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019-06-22)This paper presents measurements of W±Z production cross sections in pp collisions at a centre-of-mass energy of 13 TeV. The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and ... -
Measurement of Z0-boson production at large rapidities in Pb–Pb collisions at √sNN = 5.02 TeV
(Peer reviewed; Journal article, 2018-05-10)The production of Z^0 bosons at large rapidities in Pb–Pb collisions at √sNN=5.02TeV is reported. Z^0 candidates are reconstructed in the dimuon decay channel (Z^0→μ+μ−), based on muons selected with pseudo-rapidity ... -
Measurement of ZZ production in the ℓℓνν final state with the ATLAS detector in pp collisions at √s = 13 TeV
(Peer reviewed; Journal article, 2019-10-09)This paper presents a measurement of ZZ production with the ATLAS detector at the Large Hadron Collider. The measurement is carried out in the final state with two charged leptons and two neutrinos, using data collected ... -
Measurement of Λ (1520) production in pp collisions at √s=7 TeV and p–Pb collisions at √sNN=5.02 TeV
(Journal article; Peer reviewed, 2020-02-20)The production of the Λ(1520) baryonic resonance has been measured at midrapidity in inelastic pp collisions at √s=7 TeV and in p–Pb collisions at √sNN=5.02 TeV for non-single diffractive events and in multiplicity classes. ... -
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 ... -
Measurement of Υ(1S) elliptic flow at forward rapidity in Pb-Pb collisions at √sNN=5.02 TeV
(Peer reviewed; Journal article, 2019)The first measurement of the Υ ( 1 S ) elliptic flow coefficient ( v 2 ) is performed at forward rapidity ( 2.5 < y < 4 ) in Pb–Pb collisions at √ s NN = 5.02 TeV with the ALICE detector at the LHC. The results are obtained ...