Viser treff 21-40 av 153

• #### 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 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 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 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 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 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 ...
• #### 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 ...
• #### Measurement of the inclusive and fiducial tt¯ production cross-sections in the lepton+jets channel in pp collisions at √s=8 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-06-12)
The inclusive and fiducial 𝑡𝑡¯ production cross-sections are measured in the lepton+jets channel using 20.2 fb−1 of proton–proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the ...
• #### Measurement of the inclusive cross-section for the production of jets in association with a Z boson in proton–proton collisions at √s=8 TeV using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-10-14)
The inclusive cross-section for jet production in association with a Z boson decaying into an electron–positron pair is measured as a function of the transverse momentum and the absolute rapidity of jets using 19.9 fb−1 ...
• #### Measurement of the inclusive isolated-photon cross section in pp collisions at √s = 13 TeV using 36 fb−1 of ATLAS data ﻿

(Peer reviewed; Journal article, 2019-10-18)
The differential cross section for isolated-photon production in pp collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb−1. The differential ...
• #### Measurement of the nuclear modification factor for inclusive jets in Pb+Pb collisions at √sNN=5,02 TeVwith the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
Measurements of the yield and nuclear modification factor, RAA, for inclusive jet production are performed using 0.49 nb−1 of Pb+Pb data at √sNN = 5.02 TeV and 25 pb−1 of pp data at √s = 5.02 TeV with the ATLAS detector ...
• #### Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run 2 data collected in 2015 and 2016 ﻿

(Peer reviewed; Journal article, 2019-03-07)
The efficiency of the photon identification criteria in the ATLAS detector is measured using 36.1 fb1 to 36.7 fb1 of pp collision data at s√=13 TeV collected in 2015 and 2016. The efficiencies are measured separately for ...
• #### Measurement of the production cross section of three isolated photons in pp collisions at √s = 8 TeV using the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-03-23)
A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS ...
• #### Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-03-14)
The production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of are used, corresponding ...
• #### Measurement of the ratio of cross sections for inclusive isolated-photon production in pp collisions at √s= 13 and 8 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-04-12)
The ratio of the cross sections for inclusive isolated-photon production in pp collisions at centre-of-mass energies of 13 and 8 TeV is measured using the ATLAS detector at the LHC. The integrated luminosities of the 13 ...