Now showing items 21-40 of 168

• #### Measurement of Distributions Sensitive to the Underlying Event in Inclusive Z-Boson Production in pp Collisions at √s = 7 TeV With the ATLAS Detector ﻿

(Springer Nature, 2014)
A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a Z -boson, decaying to an electron or muon pair. The measurement ...
• #### Measurement of D∗±, D± and D±s meson production cross sections in pp collisions at s√=7 TeV with the ATLAS detector ﻿

(Elsevier BV, 2016)
The production of D∗±, D± and D±s charmed mesons has been measured with the ATLAS detector in pp collisions at s√=7 TeV at the LHC, using data corresponding to an integrated luminosity of 280nb−1. The charmed mesons have ...
• #### Measurement of event-shape observables in Z→ℓ+ℓ−Z→ℓ+ℓ− events in pp collisions at s√=s= 7 TeV with the ATLAS detector at the LHC ﻿

(Springer Nature, 2016)
Event-shape observables measured using charged particles in inclusive Z-boson events are presented, using the electron and muon decay modes of the Z bosons. The measurements are based on an integrated luminosity of 1.1 ...
• #### Measurement of exclusive γγ → W+W- production and search for exclusive Higgs boson production in pp collisions at √s=8  TeV using the ATLAS detector ﻿

(American Physical Society (APS), 2016)
Searches for exclusively produced W boson pairs in the process pp(γγ) → pW+W− p and exclusively produced Higgs boson in the process pp(gg) → pH p have been performed using e ±µ ∓ final states. These measurements use 20.2 ...
• #### Measurement of fiducial differential cross sections of gluon-fusion production of Higgs bosons decaying to WW → eνµν with the ATLAS detector at $$\sqrt{s}=8$$ TeV ﻿

(Springer Nature, 2016)
This paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the H→ WW∗→ eνµν channel, using 20.3 fb−1 of proton–proton collision data. The data were produced at ...
• #### Measurement of Flow Harmonics With Multi-Particle Cumulants in Pb+Pb Collisions at √sNN =2.76 TeV With the ATLAS Detector ﻿

(Springer Nature, 2014)
[en] ATLAS measurements of the azimuthal anisotropy in lead.lead collisions at √sNN = 2.76 TeV are shown using a dataset of approximately 7 μb-1 collected at the LHC in 2010. The measurements are performed for charged ...
• #### Measurement of four-jet differential cross sections in s√=8 TeV proton-proton collisions using the ATLAS detector ﻿

(Springer Nature, 2015)
Differential cross sections for the production of at least four jets have been measured in proton-proton collisions at s√=8 TeV at the Large Hadron Collider using the ATLAS detector. Events are selected if the four anti-kt ...
• #### Measurement of jet activity in top quark events using the eµ final state with two b-tagged jets in pp collisions at $$\sqrt{s}=8$$ TeV with the ATLAS detector ﻿

(Springer Nature, 2016)
Measurements of the jet activity in tt¯ events produced in proton–proton collisions at √ s = 8 TeV are presented, using 20.3 fb−1 of data collected by the ATLAS experiment at the Large Hadron Collider. The events were ...
• #### Measurement of jet activity produced in top-quark events with an electron, a muon and two b-tagged jets in the final state in pp collisions at s√=13 TeV with the ATLAS detector ﻿

(Springer Nature, 2017)
Measurements of jet activity in top-quark pair events produced in proton--proton collisions are presented, using 3.2 fb−1 of pp collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS experiment at the ...
• #### Measurement of Jet Shapes in Top Pair Events at √s = 7 TeV Using the ATLAS Detector ﻿

(Springer Nature, 2013)
A measurement of jet shapes in top-quark pair events using 1.8 fb(-1) of √s = 7 TeV pp collision data recorded by the ATLAS detector at the LHC is presented. Samples of top-quark pair events are selected in both the ...
• #### Measurement of K T Splitting Scales in W→ℓν Events at √s=7 TeV With the ATLAS Detector ﻿

(Springer Nature, 2013)
A measurement of splitting scales, as defined by the k T clustering algorithm, is presented for final states containing a W boson produced in proton–proton collisions at a centre-of-mass energy of 7 TeV. The measurement ...
• #### Measurement of sin2 θ lept eff usinge e+e- pairs from γ*/Z bosons produced in pp¯ collisions at a center-of-momentum energy of 1.96 TeV ﻿

(American Physical Society (APS), 2016)
At the Fermilab Tevatron proton-antiproton (pp¯) collider, Drell-Yan lepton pairs are produced in the process pp¯ → e +e − +X through an intermediate γ*/Z boson. The forward-backward asymmetry in the polar-angle distribution ...
• #### Measurement of the $B→\overline{D}^{(*)}D^{(*)}K$ Branching Fractions ﻿

(American Physical Society (APS), 2011)
We present a measurement of the branching fractions of the 22 decay channels of the $B^0$ and $B^+$ mesons to $\overline{D}^{(*)}D^{(*)}K$, where the $D^{(*)}$ and $\overline{D}^{(*)}$ mesons are fully reconstructed. ...
• #### Measurement of the $W^{\pm}Z$ Production Cross Section and Limits on Anomalous Triple Gauge Couplings at $\sqrt s = 7 TeV$ using the ATLAS detector ﻿

(2013-02-25)
This dissertation presents a measurement of the $W^{\pm}Z$ production cross section and limits on anomalous triple gauge couplings in proton-proton collisions at a center of mass energy of 7 TeV using data produced by ...
• #### Measurement of the B c ± production cross section in pp¯ collisions at √s = 1.96 TeV ﻿

(American Physical Society (APS), 2016)
We describe a measurement of the ratio of the cross sections times branching fractions of the B+c meson in the decay mode B+c → J/ψ µ+ν to the B+ meson in the decay mode B+ → J/ψ K+ in proton-antiproton collisions at ...
• #### Measurement of the bb¯ Dijet Cross Section in pp Collisions at √s=7 TeV With the ATLAS Detector ﻿

(Springer Nature, 2016)
The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in proton–proton collisions with a centre-of-mass energy of √s=7 TeV, using the ATLAS detector at the LHC. The data used correspond ...
• #### Measurement of the branching ratio Γ(Λ0b→ψ(2S)Λ0)/Γ(Λ0b→J/ψΛ0) with the ATLAS detector ﻿

(Elsevier BV, 2015)
An observation of the Λ0b→ψ(2S)Λ0 decay and a comparison of its branching fraction with that of the Λ0b→J/ψΛ0 decay has been made with the ATLAS detector in proton--proton collisions at s√=8TeV at the LHC using an integrated ...
• #### Measurement of the Centrality and Pseudorapidity Dependence of the Integrated Elliptic Flow in Lead–lead Collisions at √sNN=2.76TeV With the ATLAS Detector ﻿

(Springer Nature, 2014)
The integrated elliptic flow of charged particles produced in Pb+Pb collisions at sNN=2.76 TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, v2, was ...
• #### Measurement of the centrality dependence of the charged-particle pseudorapidity distribution in proton--lead collisions at √snn=5.02 TeV with the ATLAS detector ﻿

(Springer Nature, 2016)
The centrality dependence of the mean charged-particle multiplicity as a function of pseudorapidity is measured in approximately 1 μb−1 of proton--lead collisions at a nucleon--nucleon centre-of-mass energy of √snn=5.02 ...
• #### Measurement of the Charge Asymmetry in Top-Quark Pair Production in the Lepton-Plus-Jets Final State in pp Collision Data at √s = 8 TeV With the ATLAS Detector ﻿

(Springer Nature, 2016)
This paper reports inclusive and differential measurements of the tt¯tt¯ charge asymmetry ACAC in 20.3 fb−120.3 fb−1 of s√=8 TeVs=8 TeV pppp collisions recorded by the ATLAS experiment at the Large Hadron Collider ...