Now showing items 1-20 of 51

• #### ALICE measurement of the J/ψ nuclear modification factor at mid-rapidity in Pb–Pb collisions at √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 2017)
ALICE at the LHC provides unique capabilities to study charmonium production at low transverse momenta (pT). At central rapidity, (|y| < 0.8), ALICE can reconstruct J/ψ via their decay into two electrons down to zero pT. ...
• #### Anisotropic flow of inclusive and identified particles in Pb–Pb collisions at √sNN=5.02 TeV with ALICE ﻿

(Journal article; Peer reviewed, 2017)
Elliptic (v2) and higher harmonic (v3, v4) ﬂow coeﬃcients of π±, K±,p(p), and the φ-meson, measured in Pb-Pb collisions at the highest-ever center-of-mass energy of √sNN = 5.02 TeV, are presented. The results were obtained ...
• #### Azimuthally differential pion femtoscopy relative to the second and thrid harmonic in Pb-Pb 2.76 TeV collisions from ALICE ﻿

(Journal article; Peer reviewed, 2017)
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 the pseudorapidity density distribution for charged particles in Pb-Pb collisions at root s(NN)=2.76 TeV ﻿

(Journal article; Peer reviewed, 2013)
We present the first wide-range measurement of the charged-particle pseudorapidity density distribution, for different centralities (the 0–5%, 5–10%, 10–20%, and 20–30% most central events) in Pb–Pb collisions at root ...
• #### Centrality, rapidity and transverse momentum dependence of J/ψ suppression in Pb-Pb collisions at √sNN= 2.76TeV ﻿

(Journal article; Peer reviewed, 2014)
The inclusive [?] nuclear modification factor ([?]) in Pb–Pb collisions at root snn=2.76 TeV has been measured by ALICE as a function of centrality in the e+e- decay channel at mid-rapidity ([?]) and as a function of ...
• #### Charged jet cross sections and properties in proton-proton collisions at √s = 7 TeV ﻿

(Journal article; Peer reviewed, 2015)
The differential charged jet cross sections, jet fragmentation distributions, and jet shapes are measured in minimum bias proton-proton collisions at center-of-mass energy √s=7  TeV using the ALICE detector at the LHC. ...
• #### Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV ﻿

(Journal article; Peer reviewed, 2013)
The ALICE Collaboration at the LHC has measured the J/ψ and ψ′ photoproduction at mid-rapidity in ultra-peripheral Pb–Pb collisions at s NN − − − √ =2.76 TeV . The charmonium is identified via its leptonic decay for events ...
• #### Charmonium production in Pb–Pb and p–Pb collisions at forward rapidity measured with ALICE ﻿

(Journal article; Peer reviewed, 2017)
First experimental results are presented on event-by-event net-proton fluctuation measurements in Pb- Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. The ALICE detector is well suited for ...
• #### D meson elliptic flow in noncentral Pb-Pb collisions at root(S)(NN)=2.76 TeV ﻿

(Journal article; Peer reviewed, 2013)
Azimuthally anisotropic distributions of D0, D+, and D*+ mesons were studied in the central rapidity region (|y|<0.8) in Pb-Pb collisions at a center-of-mass energy √sNN=2.76  TeV per nucleon-nucleon collision, with the ...
• #### D-meson nuclear modification factor and elliptic flow measurements in Pb–Pb collisions at √sNN=5.02TeV with ALICE at the LHC ﻿

(Journal article; Peer reviewed, 2017)
ALICE measured the nuclear modification factor (RAA) and elliptic flow (v2) of D mesons (D0, D+, D∗+ and D+s ) insemi-central Pb–Pb collisions at √sNN = 5.02 TeV. The increased amount of data in semi-central Pb–Pb events ...
• #### Determination of the event collision time with the ALICE detector at the LHC ﻿

(Journal article; Peer reviewed, 2017)
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 ...
• #### Direct photon measurements in pp and Pb-Pb collisions with the ALICE experiment ﻿

(Journal article; Peer reviewed, 2017)
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. ...
• #### Directed flow of charged particles at midrapidity relative to the spectator plane in Pb-Pb collisions at root s(NN)=2.76TeV ﻿

(Journal article; Peer reviewed, 2013)
The directed flow of charged particles at midrapidity is measured in Pb-Pb collisions at √sNN=2.76  TeV relative to the collision symmetry plane defined by the spectator nucleons. A negative slope of the rapidity-odd ...
• #### Electroweak boson production in p–Pb and Pb–Pb collisions at √sNN=5.02 TeV with ALICE ﻿

(Journal article; Peer reviewed, 2017)
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 ...
• #### Energy dependence of the transverse momentum distributions of charged particles in pp collisions measured by ALICE ﻿

(Journal article; Peer reviewed, 2013)
Differential cross sections of charged particles in inelastic pp collisions as a function of pT have been measured at √s = 0.9, 2.76 and 7 TeV at the LHC. The pT spectra are compared to NLO-pQCD calculations. Though the ...
• #### Event activity-dependence of jet production in p–Pb collisions at √sNN = 5.02 TeV measured with semi-inclusive hadron+jet correlations by ALICE ﻿

(Journal article; Peer reviewed, 2017)
We report measurement of the semi-inclusive distribution of charged-particle jets recoiling from a high transverse momentum (pT) hadron trigger, for p–Pb collisions at √sNN = 5.02 TeV, in p–Pb events classified by event ...
• #### Event-by-event mean pT fluctuations in pp and Pb–Pb collisions at the LHC ﻿

(Journal article, 2014)
Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at √s = √ 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at sNN = 2.76 TeV are studied as a function of the chargedparticle ...
• #### Exploring jet substructures with jet shapes in ALICE ﻿

(Journal article; Peer reviewed, 2017)
The characterisation of the jet substructure can give insight into the microscopic nature of the modification induced on high-momentum partons by the Quark-Gluon Plasma that is formed in ultra-relativistic heavy-ion ...
• #### Inclusive photon production at forward rapidities in proton–proton collisions at √s = 0.9, 2.76 and 7 TeV ﻿

(Journal article, 2015)
The multiplicity and pseudorapidity distributions of inclusive photons have been measured at forward rapidities (2.3 n 3.9) in proton–proton collisions at three center-of-mass energies, √s=0.9, 2.76 and 7 TeV ...
• #### Investigating the role of coherence effects on jet quenching in Pb-Pb collisions at √sNN = 2.76 TeV using jet substructure ﻿

(Journal article; Peer reviewed, 2017)
We report measurements of two jet shapes, the ratio of 2-Subjettiness to 1-Subjettiness (τ2/τ1) and the opening angle between the two axes of the 2-Subjettiness jet shape, which is obtained by reclustering the jet with the ...