Now showing items 1-20 of 65

• #### 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 ...
• #### Analysis of the apparent nuclear modification in peripheral Pb–Pb collisions at 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019)
Charged-particle spectra at midrapidity are measured in Pb–Pb collisions at the centre-of-mass energy per nucleon–nucleon pair √sNN = 5.02 TeV and presented in centrality classes ranging from most central (0–5%) to most ...
• #### 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 identified particles in Pb-Pb collisions at √sNN=5.02 TeV ﻿

(Peer reviewed; Journal article, 2018-09-03)
The elliptic (v_2), triangular (v_3), and quadrangular (v-4) flow coefficients of π^±, K^±, p+p¯,Λ+Λ¯,K^0_S , and the ϕ-meson are measured in Pb-Pb collisions at √s_NN=5.02 TeV. Results obtained with the scalar product ...
• #### Azimuthal Anisotropy of Heavy-Flavor Decay Electrons in p-Pb Collisions at √sNN=5.02  TeV ﻿

(Peer reviewed; Journal article, 2019)
Angular correlations between heavy-flavor decay electrons and charged particles at midrapidity ( | η | < 0.8 ) are measured in p -Pb collisions at √ s N N = 5.02     TeV . The analysis is carried out for the 0%–20% (high) ...
• #### Azimuthally-differential pion femtoscopy relative to the third harmonic event plane in Pb–Pb collisions at √sNN = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2018-06-22)
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 ...
• #### Calibration of the photon spectrometer PHOS of the ALICE experiment ﻿

(Peer reviewed; Journal article, 2019)
The procedure for the energy calibration of the high granularity electromagnetic calorimeter PHOS of the ALICE experiment is presented. The methods used to perform the relative gain calibration, to evaluate the geometrical ...
• #### Centrality and pseudorapidity dependence of the charged-particle multiplicity density in Xe–Xe collisions at √sNN=5.44 TeV ﻿

(Peer reviewed; Journal article, 2019-12-28)
In this Letter, the ALICE Collaboration presents the ﬁrst measurements of the charged-particle multiplicity density, dNch/dη, and total charged-particle multiplicity, Ntot ch , in Xe–Xe collisions at a centre-of-mass energy ...
• #### Charged jet cross section and fragmentation in proton-proton collisions at √s=7  TeV ﻿

(Peer reviewed; Journal article, 2019-01-31)
We report the differential charged jet cross section and jet fragmentation distributions measured with the ALICE detector in proton-proton collisions at a center-of-mass energy √s=7  TeV. Jets with pseudorapidity|η|<0.5 ...
• #### Charged-particle pseudorapidity density at mid-rapidity in p–Pb collisions at √sNN = 8.16 TeV ﻿

(Peer reviewed; Journal article, 2019-04-04)
The pseudorapidity density of charged particles, dNch/dη , in p–Pb collisions has been measured at a centre-of-mass energy per nucleon–nucleon pair of sNN−−−√ = 8.16 TeV at mid-pseudorapidity for non-single-diffractive ...
• #### Constraining the magnitude of the Chiral Magnetic Effect with Event Shape Engineering in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2018-02)
In ultrarelativistic heavy-ion collisions, the event-by-event variation of the elliptic flow $v_2$ reflects fluctuations in the shape of the initial state of the system. This allows to select events with the same centrality ...
• #### 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 azimuthal anisotropy in mid-central Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.02}$ TeV ﻿

(Peer reviewed; Journal article, 2018-03)
The azimuthal anisotropy coefficient $v_2$ of prompt D\)^0\), D\)^+\), D\)^{*+}\) and D$_s^+$ mesons was measured in mid-central (30-50% centrality class) Pb-Pb collisions at a centre-of-mass energy per nucleon pair ...
• #### Dielectron and heavy-quark production in inelastic and high-multiplicity proton–proton collisions at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2019-01-10)
The measurement of dielectron production is presented as a function of invariant mass and transverse momentum () at midrapidity () in proton–proton (pp) collisions at a centre-of-mass energy of TeV. The contributions from ...
• #### Dielectron production in proton-proton collisions at √s=7 TeV ﻿

(Peer reviewed; Journal article, 2018-09-12)
The first measurement of e^+e^− pair production at mid-rapidity (|ηe| < 0.8) in pp collisions at √s=7 TeV with ALICE at the LHC is presented. The dielectron production is studied as a function of the invariant mass (m_ee ...
• #### Direct photon elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV ﻿

(Peer reviewed; Journal article, 2019-02-10)
The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at TeV by ALICE. Photons were detected with the highly segmented electromagnetic ...
• #### Direct photon production at low transverse momentum in proton-proton collisions at √s=2.76 and 8 TeV ﻿

(Peer reviewed; Journal article, 2019)
Measurements of inclusive and direct photon production at midrapidity in pp collisions at √s = 2.76 and 8 TeV are presented by the ALICE experiment at the LHC. The results are reported in transverse momentum ranges of 0.4 ...
• #### 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 exclusive J/ψ photoproduction off protons in ultra-peripheral p–Pb collisions at √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019)
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of J/ψ vector mesons off proton targets in ultra–peripheral p–Pb collisions at a centre-of-mass energy per nucleon pair sNN=√5.02 TeV. ...
• #### Event-shape and multiplicity dependence of freeze-out radii in pp collisions at √s = 7 TeV ﻿

(Peer reviewed; Journal article, 2019-09-13)