Viser treff 21-40 av 124

• #### Identification of boosted Higgs bosons decaying into b-quark pairs with the ATLAS detector at 13 TeV ﻿

(Peer reviewed; Journal article, 2019)
This paper describes a study of techniques for identifying Higgs bosons at high transverse momenta decaying into bottom-quark pairs, H→bb¯, for proton–proton collision data collected by the ATLAS detector at the Large ...
• #### In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-02-13)
The response of the ATLAS detector to largeradius jets is measured in situ using 36.2 fb−1 of √s = 13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet ...
• #### Insight into particle production mechanisms via angular correlations of identified particles in pp collisions at $\sqrt{s}=7$ TeV ﻿

(Peer reviewed; Journal article, 2017-08)
Two-particle angular correlations were measured in pp collisions at $\sqrt{s} = 7$ TeV for pions, kaons, protons, and lambdas, for all particle/anti-particle combinations in the pair. Data for mesons exhibit an expected ...
• #### K<sup>∗</sup>(892) meson production in inelastic p+p interactions at 158 GeV/c beam momentum measured by NA61/SHINEat the CERN SPS ﻿

(Journal article; Peer reviewed, 2020)
The measurement of K∗(892)0 resonance production via its K+π− decay mode in inelastic p+p collisions at beam momentum 158 Ge V /c (sNN−−−−√=17.3 Ge V ) is presented. The data were recorded by the NA61/SHINE hadron ...
• #### Light-quark and gluon jet discrimination in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-08-21)
A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb−1 of proton–proton collision data at √s = 7 TeV collected with the ATLAS detector at the LHC. ...
• #### Measurement of azimuthal correlations of D mesons and charged particles in pp collisions at $\sqrt{s}=7$ TeV and p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV ﻿

(Peer reviewed; Journal article, 2017-04)
The azimuthal correlations of D mesons and charged particles were measured with the ALICE detector in pp collisions at $\sqrt{s}=7$ TeV and p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV at the Large Hadron Collider. ...
• #### Measurement of colour flow using jet-pull observables in tt¯events with the ATLAS experiment at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2018-10)
Previous studies have shown that weighted angular moments derived from jet constituents encode the colour connections between partons that seed the jets. This paper presents measurements of two such distributions, the ...
• #### Measurement of D-meson production at mid-rapidity in pp collisions at ${\sqrt{s}=7}$ TeV ﻿

(Peer reviewed; Journal article, 2017-08)
The production cross sections of the prompt charmed mesons ${\rm D^0}$. ${\rm D^+}$. ${\rm D^{*+}}$ and ${\rm D_s^+}$ were measured at mid-rapidity in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=7$ ...
• #### Measurement of D0, D+, D∗+ and D+s production in pp collisions at √S = 5.02 TeV with ALICE ﻿

(Peer reviewed; Journal article, 2019-05-06)
The measurements of the production of prompt D0, D+, D∗+, and D+s mesons in proton–proton (pp) collisions at s√=5.02 TeV with the ALICE detector at the Large Hadron Collider (LHC) are reported. D mesons were reconstructed ...
• #### Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV at the LHC ﻿

(Peer reviewed; Journal article, 2017-10)
The transverse momentum $p_{\rm T}$ spectra and elliptic flow coefficient $v_2$ of deuterons and anti-deuterons at mid-rapidity $|y|<0.5$ are measured with the ALICE detector at the LHC in Pb-Pb collisions at ...
• #### Measurement of differential cross-sections of a single top quark produced in association with a W boson at s√=13TeV with ATLAS ﻿

(Peer reviewed; Journal article, 2018-03-06)
The differential cross-section for the production of a W boson in association with a top quark is measured for several particle-level observables. The measurements are performed using 36.1fb^−1 of pp collision data collected ...
• #### Measurement of distributions sensitive to the underlying event in inclusive Z boson production in pp collisions at √s = 13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-08-08)
This paper presents measurements of charged-particle distributions sensitive to the properties of the underlying event in events containing a Z boson decaying into a muon pair. The data were obtained using the ATLAS detector ...
• #### Measurement of distributions sensitive to the underlying event in inclusive Z-boson production in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-12-10)
A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a TeX -boson, decaying to an electron or muon pair. The measurement ...
• #### Measurement of fiducial and differential W+W−production cross-sections at √s=13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-10-29)
A measurement of fiducial and differential cross-sections for W+W− production in proton–proton collisions at s√=13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated ...
• #### Measurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN−−−=5.02 TeVwith the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-12-03)
To assess the properties of the quark–gluon plasma formed in ultrarelativistic ion collisions, the ATLAS experiment at the LHC measures a correlation between the mean transverse momentum and the flow harmonics. The analysis ...
• #### Measurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at (Formula presented.) TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-11-26)
ATLAS measurements of the azimuthal anisotropy in lead–lead collisions at TeX TeV are shown using a dataset of approximately 7 TeX b TeX collected at the LHC in 2010. The measurements are performed for charged particles ...
• #### Measurement of inelastic, single- and double-diffraction cross sections in proton-proton collisions at the LHC with ALICE ﻿

(Peer reviewed; Journal article, 2013-06)
Measurements of cross sections of inelastic and diffractive processes in proton--proton collisions at LHC energies were carried out with the ALICE detector. The fractions of diffractive processes in inelastic collisions ...
• #### 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 K0S and Λ0 production in tt¯ dileptonic events in pp collisions at √s=7 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-12-17)
Measurements of K0S and Λ0 production in tt¯ final states have been performed. They are based on a data sample with integrated luminosity of 4.6 fb−1 from proton–proton collisions at a centre-of-mass energy of 7 TeV, ...
• #### 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 ...