Now showing items 21-40 of 64

• #### J/$psi$ elliptic flow in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2017-12-15)
We report a precise measurement of the J/\).psi\) elliptic flow in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector at the LHC. The J/\).psi\) mesons are reconstructed at mid-rapidity $|y| < ... • #### J/\(psi$ Elliptic Flow in Pb-Pb Collisions at $\sqrt{s_{NN}}$=2.76 TeV ﻿

(Peer reviewed; Journal article, 2013-10)
We report on the first measurement of inclusive J/$\psi$ elliptic flow, $v_2$, in heavy-ion collisions at the LHC. The measurement is performed with the ALICE detector in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 ...
• #### J/$psi$ suppression at forward rapidity in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2012)
The ALICE experiment has measured the inclusive J/ψ production in Pb-Pb collisions at √sNN = 2.76 TeV down to pt = 0 in the rapidity range 2.5 < y < 4. A suppression of the inclusive J/ψ yield in Pb-Pb is observed with ...
• #### Jet suppression from a small to intermediate to large radius ﻿

(Journal article; Peer reviewed, 2020)
We present predictions for jet suppression from small to intermediate to very large radius, for high energy jets created in heavy ion collisions at the LHC. We find that jet suppression is surprisingly independent of the ...
• #### Lower-Hybrid Drift Waves Driving Electron Nongyrotropic Heating and Vortical Flows in a Magnetic Reconnection Layer ﻿

(Journal article; Peer reviewed, 2020)
We report measurements of lower-hybrid drift waves driving electron heating and vortical flows in an electron-scale reconnection layer under a guide field. Electrons accelerated by the electrostatic potential of the waves ...
• #### Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s=13  TeV with the ATLAS detector ﻿

(Journal article; Peer reviewed, 2020)
The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s=13  TeV using a data sample with an integrated luminosity of 150  pb−1 recorded by the ATLAS detector at the LHC. The ...
• #### Measurement of prompt D-meson production in p-Pb collisions at $\sqrt{s_{NN}}$ =5.02TeV ﻿

(Peer reviewed; Journal article, 2014-12-05)
The pT-differential production cross sections of the prompt charmed mesons $D^0, D^+, D^{*+}$ and $D_s^+$ and their charge conjugate in the rapidity interval -0.96 < $y_{cms}$ < 0.04 were measured in p-Pb collisions ...
• #### Measurement of the Cross Section for Electromagnetic Dissociation with Neutron Emission in Pb-Pb Collisions at √sNN = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2012-12)
The first measurement of neutron emission in electromagnetic dissociation of 208Pb nuclei at the LHC is presented. The measurement is performed using the neutron Zero Degree Calorimeters of the ALICE experiment, which ...
• #### Measurement of the low-energy antideuteron inelastic cross section ﻿

(Journal article; Peer reviewed, 2020-10-14)
In this Letter, we report the first measurement of the inelastic cross section for antideuteron-nucleus interactions at low particle momenta, covering a range of 0.3≤p<4 GeV/c. The measurement is carried out using p-Pb ...
• #### Measurement of the Lund jet plane using charged particles in 13 TeV proton-proton collisions with the ATLAS detector ﻿

(Journal article; Peer reviewed, 2020-06-04)
The prevalence of hadronic jets at the LHC requires that a deep understanding of jet formation and structure is achieved in order to reach the highest levels of experimental and theoretical precision. There have been many ...
• #### Measurement of the soft-drop jet mass in pp collisions at √s=13  TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-08)
Jet substructure observables have significantly extended the search program for physics beyond the standard model at the Large Hadron Collider. The state-of-the-art tools have been motivated by theoretical calculations, ...
• #### 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 ...
• #### Measurements of four-lepton production at the Z resonance in pp collisions at √s = 7 and 8 TeV with ATLAS ﻿

(Peer reviewed; Journal article, 2014-06-13)
Measurements of four-lepton (4ℓ, ℓ=e,μ) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions mℓ+ℓ−>5  GeV and ...
• #### Measurements of the absolute branching fractions of B± →k±Xc c ﻿

(Journal article; Peer reviewed, 2020-04-16)
A study of the two-body decays B±→Xc¯cK±, where Xc¯c refers to one charmonium state, is reported by the BABAR Collaboration using a data sample of 424 fb−1. The absolute determination of branching fractions for these decays ...
• #### Midrapidity antiproton-to-proton ratio in pp collisons root s=0.9 and 7 TeV measured by the ALICE experiment ﻿

(Journal article, 2010)
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at root s = 0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers ...
• #### Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS ﻿

(Journal article; Peer reviewed, 2020-12)
The observation of forward proton scattering in association with lepton pairs (e+e−+p or μ+μ−+p) produced via photon fusion is presented. The scattered proton is detected by the ATLAS Forward Proton spectrometer, while the ...
• #### Observation of an excited B[± over c] meson state with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2014-11-21)
A search for excited states of the B[± over c] meson is performed using 4.9  fb[superscript −1] of 7 TeV and 19.2  fb[superscript −1] of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is ...
• #### Observation of centrality-dependent acoplanarity for muon pairs produced via two-photon scattering in Pb+Pb collisions at √sNN=5.02  TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-11)
This Letter presents a measurement of γγ→μ+μ− production in Pb+Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at √sNN=5.02  TeV with an integrated luminosity of 0.49  nb−1. The azimuthal angle ...
• #### Observation of electroweak production of a same-sign W boson pair in association with two jets in pp collisions at √s=13  TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
• #### Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)