Viser treff 21-40 av 174

• Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-06)
Two-particle pseudorapidity correlations are measured in $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV Pb+Pb, $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV $p$+Pb, and $\sqrt{s}$ = 13 TeV $pp$ collisions at the LHC, with total integrated ...
• Measurement of inclusive jet and dijet cross-sections in proton-proton collisions at √s=13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-05-30)
Inclusive jet and dijet cross-sections are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The measurement uses a dataset with an integrated luminosity of 3.2 fb−1 recorded in 2015 with the ATLAS ...
• Measurement of J/ψ production in association with a W± boson with pp data at 8 TeV ﻿

(Journal article; Peer reviewed, 2020-01-16)
A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ− is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using ATLAS data ...
• Measurement of jet fragmentation in 5.02 TeV proton–lead and proton–proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-10)
A measurement of the fragmentation functions of jets into charged particles in collisions and pp collisions is presented. The analysis utilizes 28 nb−1 of data and 26 pb−1 of pp data, both at = 5.02 TeV, collected in 2013 ...
• Measurement of jet fragmentation in Pb+Pb and pp collisions at √sNN=5.02 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-08-16)
This paper presents a measurement of jet fragmentation functions in 0.49 nb−1 of Pb+Pb collisions and 25 pb−1 of pp collisions at √sNN = 5.02 TeV collected in 2015 with the ATLAS detector at the LHC. These measurements ...
• Measurement of jet fragmentation in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 2.76$ TeV with the ATLAS detector at the LHC ﻿

(Peer reviewed; Journal article, 2017-06)
The distributions of transverse momentum and longitudinal momentum fraction of charged particles in jets are measured in Pb+Pb and pp collisions with the ATLAS detector at the LHC. The distributions are measured as a ...
• Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p +Pb collisions with the ATLAS detector at the CERN Large Hadron Collider ﻿

(Peer reviewed; Journal article, 2018-02-12)
A detailed study of multiparticle azimuthal correlations is presented using ppdata at √s=5.02 and 13 TeV, and p+Pb data at √sNN=5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal ...
• Measurement of long-range two-particle azimuthal correlations in Z-boson tagged pp collisions at √s=8 and 13 TeV ﻿

(Journal article; Peer reviewed, 2020-01-25)
Results are presented from the measurement by ATLAS of long-range (|Δη|>2) dihadron angular correlations in s√=8 and 13 TeV pp collisions containing a Z boson. The analysis is performed using 19.4 fb−1 of s√=8 TeV data ...
• Measurement of longitudinal flow decorrelations in Pb+Pb collisions at sNN−−−√=2.76and 5.02 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-02-19)
Measurements of longitudinal flow correlations are presented for charged particles in the pseudorapidity range |𝜂|<2.4 using 7 and 470 μb−1 of Pb+Pb collisions at 𝑠NN‾‾‾‾√=2.76 and 5.02 TeV, respectively, recorded by the ...
• Measurement of multi-particle azimuthal correlations in $pp$, $p$+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-06)
Multi-particle cumulants and corresponding Fourier harmonics are measured for azimuthal angle distributions of charged particles in $pp$ collisions at $\sqrt{s}$ = 5.02 and 13 TeV and in $p$+Pb collisions at ...
• Measurement of photon–jet transverse momentum correlations in 5.02 TeV Pb + Pb and pp collisions with ATLAS ﻿

(Peer reviewed; Journal article, 2019)
Jets created in association with a photon can be used as a calibrated probe to study energy loss in the medium created in nuclear collisions. Measurements of the transverse momentum balance between isolated photons and ...
• Measurement of prompt photon production in √sNN = 8.16 TeV p + Pb collisions with ATLAS ﻿

(Peer reviewed; Journal article, 2019)
The inclusive production rates of isolated, prompt photons in p + Pb collisions at √sNN = 8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 ...
• Measurement of quarkonium production in proton–lead and proton–proton collisions at 5.02 TeVwith the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-02-28)
The modification of the production of 𝐽/𝜓 , 𝜓(2S) , and 𝛶(𝑛S) ( 𝑛=1,2,3 ) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper correspond ...
• Measurement of the $t\bar{t}Z$ and $t\bar{t}W$ production cross sections in multilepton final states using 3.2 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ =13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-01)
A measurement of the $t\bar{t}Z$ and $t\bar{t}W$ 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 ...
• Measurement of the azimuthal anisotropy of charged particles produced in √sNN= 5.02 TeV Pb+Pb collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-12)
Measurements of the azimuthal anisotropy in lead&ndash;lead collisions at &radic;sNN&nbsp;= 5.02&nbsp;TeV are presented using a data sample corresponding to 0.49&nbsp;nb&minus;1 integrated luminosity collected by the ATLAS ...
• A measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 $pp$-collision data with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-01)
A measurement of the calorimeter response to isolated charged hadrons in the ATLAS detector at the LHC is presented. This measurement is performed with 3.2 nb$^{-1}$ of proton--proton collision data at $\sqrt{s}=7$ TeV ...
• Measurement of the cross section for isolated-photon plus jet production in pp collisions at √s = 13 TeV using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-05)
The dynamics of isolated-photon production in association with a jet in proton–proton collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset with an integrated ...
• Measurement of the exclusive γγ → μ+ μ− process in proton–proton collisions at √s = 13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2017-12-20)
The production of exclusive events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb−1. The ...
• Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-04-05)
A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb−1 of proton-proton collisions at s√ = 13 TeV delivered by the Large Hadron Collider. The ...
• Measurement of the Higgs boson coupling properties in the H → ZZ∗ → 4ℓ decay channel at s√=13TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-03-15)
The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross ...