Now showing items 1-20 of 77

• #### ALICE measurement of the $J/\psi$ nuclear modification factor at mid-rapidity in Pb–Pb collisions at $\sqrt{{s}_{NN}}=$ 5.02 TeV ﻿

(Peer reviewed; Journal article, 2017-11)
ALICE at the LHC provides unique capabilities to study charmonium production at low transverse momenta ( p T ). At central rapidity, ( |y|<0.8 ), ALICE can reconstruct J/ ψ via their decay into two electrons down to zero ...
• #### The ALICE Transition Radiation Detector: Construction, operation, and performance ﻿

(Peer reviewed; Journal article, 2018-02)
The Transition Radiation Detector (TRD) was designed and built to enhance the capabilities of the ALICE detector at the Large Hadron Collider (LHC). While aimed at providing electron identification and triggering, the TRD ...
• #### Anisotropic flow in Xe–Xe collisions at √sNN = 5.44 TeV ﻿

(Peer reviewed; Journal article, 2018-06-30)
The first measurements of anisotropic flow coefficients v_n for mid-rapidity charged particles in Xe–Xe collisions at √sNN = 5.44 TeV are presented. Comparing these measurements to those from Pb–Pb collisions at √sNN = ...
• #### Anisotropic flow of inclusive and identified particles in Pb–Pb collisions at $\sqrt{{s}_{NN}}=$ 5.02 TeV with ALICE ﻿

(Peer reviewed; Journal article, 2017-11)
Anisotropic flow measurements constrain the shear $(\eta/s)$ and bulk $\zeta/s$ viscosity of the quark-gluon plasma created in heavy-ion collisions, as well as give insight into the initial state of such collisions ...
• #### Azimuthal anisotropy of charged jet production in $\sqrt{s_{\rm NN}}=2.76$ TeV Pb–Pb collisions ﻿

(Peer reviewed; Journal article, 2016-02)
This paper presents measurements of the azimuthal dependence of charged jet production in central and semi-central $\sqrt{s_{\rm NN}}=2.76$ TeV Pb–Pb collisions with respect to the second harmonic event plane, quantified ...
• #### Azimuthally differential pion femtoscopy relative to the second and thrid harmonic in Pb-Pb 2.76 TeV collisions from ALICE ﻿

(Peer reviewed; Journal article, 2017-11)
Azimuthally differential femtoscopic measurements, being sensitive to spatio-temporal characteristics of the source as well as to the collective velocity fields at freeze-out, provide very important information on the ...
• #### Centrality dependence of $\mathbf{\psi}$(2S) suppression in p-Pb collisions at $\mathbf{\sqrt{{\textit s}_{\rm NN}}}$ = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2016-06)
The inclusive production of the $\psi$(2S) charmonium state was studied as a function of centrality in p-Pb collisions at the nucleon-nucleon center of mass energy $\sqrt{s_{\rm NN}}$ = 5.02 TeV at the CERN LHC. The ...
• #### Centrality, rapidity and transverse momentum dependence of the J/$psi$ suppression in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV ﻿

(Peer reviewed; Journal article, 2014-06)
The inclusive J/\).psi\) nuclear modification factor $R_{AA}$ in Pb-Pb collisions at $\sqrt{s_{NN}}$.2.76TeV has been measured by ALICE as a function of centrality in the $e^+e^-$ decay channel at mid-rapidity |y| ...
• #### Charged-particle multiplicity distributions over a wide pseudorapidity range in proton-proton collisions at √s = 0.9, 7, and 8 TeV ﻿

(Peer reviewed; Journal article, 2017-12-09)
We present the charged-particle multiplicity distributions over a wide pseudorapidity range (−3.4<η<5.0 ) for pp collisions at √s=0.9,7 , and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector ...
• #### Charmonium production in Pb–Pb and p–Pb collisions at forward rapidity measured with ALICE ﻿

(Peer reviewed; Journal article, 2017-11)
The ALICE collaboration has measured the inclusive charmonium production at forward rapidity in Pb–Pb and p–Pb collisions at sNN=5.02TeV and sNN=8.16TeV , respectively. In Pb–Pb collisions, the J/ ψ and ψ (2S) nuclear ...
• #### Constraints on jet quenching in p–Pb collisions at √sNN = 5.02  TeV measured by the event-activity dependence of semi-inclusive hadron-jet distributions ﻿

(Peer reviewed; Journal article, 2018-08)
The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high-transverse momentum trigger hadron in p–Pb collisions at √sNN = 5.02 TeV. Jets are reconstructed ...
• #### D-meson nuclear modification factor and elliptic flow measurements in Pb–Pb collisions at $\sqrt {s_{NN}}$ = 5.02TeV with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2017-11)
ALICE measured the nuclear modification factor $R_{AA}$ and elliptic flow $\nu_{2}$ of D mesons $D^{0}$. $D^{+}$. $D^{⁎+}$ and $D^{s+}$ in semi-central Pb–Pb collisions at $\sqrt{s_{NN}} =5.02$ TeV. The ...
• #### Determination of the event collision time with the ALICE detector at the LHC ﻿

(Peer reviewed; Journal article, 2017-02)
Particle identification is an important feature of the ALICE detector at the LHC. In particular, for particle identification via the time-of-flight technique, the precise determination of the event collision time represents ...
• #### Differential studies of inclusive J/$psi$ and $\psi$(2S) production at forward rapidity in Pb-Pb collisions at $\mathbf{\sqrt{{\textit s}_{_{NN}}}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2016-05)
The production of J/\).psi\) and $\psi(2S)$ was measured with the ALICE detector in Pb-Pb collisions at the LHC. The measurement was performed at forward rapidity $2.5 < y < 4 \() down to zero transverse momentum ... • #### Direct photon measurements in pp and Pb-Pb collisions with the ALICE experiment ﻿ (Peer reviewed; Journal article, 2017-11) Direct photon production in heavy-ion collisions provides a valuable set of observables to study the hot QCD medium. The direct photons are produced at different stages of the collision and escape the medium unaffected. ... • #### Electroweak boson production in p–Pb and Pb–Pb collisions at \(\sqrt{s_\mathrm{NN}}=5.02$ TeV with ALICE ﻿

(Peer reviewed; Journal article, 2017-11)
W and Z bosons are massive weakly-interacting particles, insensitive to the strong interaction. They provide therefore a medium-blind probe of the initial state of the heavy-ion collisions. The final results for the W and ...
• #### Elliptic flow of identified hadrons in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2015-06-29)
The elliptic flow coefficient $v_{2}$ of identified particles in Pb--Pb collisions at $\sqrt{s_\mathrm{{NN}}} = 2.76$ TeV was measured with the ALICE detector at the LHC. The results were obtained with the Scalar ...
• #### Energy dependence and fluctuations of anisotropic flow in Pb-Pb collisions at √sNN=5.02 and 2.76 TeV ﻿

(Peer reviewed; Journal article, 2018-07-16)
Measurements of anisotropic flow coefficients with two- and multi-particle cumulants for inclusive charged particles in Pb-Pb collisions at 𝑠NN‾‾‾‾√=5.02 and 2.76 TeV are reported in the pseudorapidity range |η| < 0.8 and ...
• #### Energy dependence of the transverse momentum distributions of charged particles in pp collisions measured by ALICE ﻿

(Peer reviewed; Journal article, 2013-12)
Differential cross sections of charged particles in inelastic pp collisions as a function of $p_T$ have been measured at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV at the LHC. The $p_T$ spectra are compared to NLO-pQCD ...
• #### Event activity-dependence of jet production in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV measured with semi-inclusive hadron+jet correlations by ALICE ﻿

(Peer reviewed; Journal article, 2017-11)
We report measurement of the semi-inclusive distribution of charged-particle jets recoiling from a high transverse momentum $p_{\rm T}$ hadron trigger, for p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV, in p-Pb ...