Now showing items 1-20 of 169

• #### 3Λh and 3‾Λ‾h lifetime measurement in Pb–Pb collisions at √sNN = 5.02 TeV via two-body decay ﻿

(Peer reviewed; Journal article, 2019-10)
An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb–Pb collisions at sNN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been ...
• #### Addressing the hypertriton lifetime puzzle with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2019)
The ALICE Collaboration collected a large data sample of Pb-Pb collisions at√sNN=5.02 TeV in 2015 at the LargeHadron Collider (LHC) and the excellent particle identification (PID) capabilities allow for the detection of ...
• #### 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 ...
• #### ALICE measurements of flow coefficients and their correlations in small (pp and p–Pb) and large (Xe–Xe and Pb–Pb) collision systems ﻿

(Peer reviewed; Journal article, 2019)
Many observables which are used as a signature of the collective effects in heavy-ion collisions when measured in high multiplicity pp and pA interactions reveal a very similar behaviour. We will present first measurements ...
• #### ALICE results on system-size dependence of charged-particle multiplicity density in p–Pb, Pb–Pb and Xe–Xe collisions ﻿

(Peer reviewed; Journal article, 2019)
Particle production at LHC energies involves the interplay of hard (perturbative) and soft (non-perturbative) QCD processes. Global observables, such as the charged-particle multiplicity, are related to the initial geometry ...
• #### 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 ...
• #### 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 ...
• #### (Anti-)deuteron production in pp collisions at √s=13TeV ﻿

(Journal article; Peer reviewed, 2020)
The study of (anti-)deuteron production in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. In this paper the production of ...
• #### 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 in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV ﻿

(Peer reviewed; Journal article, 2017-06)
We present the first azimuthally differential measurements of the pion source size relative to the second harmonic event plane in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon pair of $\sqrt{s_{\rm ... • #### 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 ... • #### 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 ... • #### Balance functions of (un)identified hadrons in Pb–Pb, p–Pb, and pp collisions at the LHC ﻿ (Peer reviewed; Journal article, 2019-02) In ultrarelativistic heavy-ion collisions, correlations of particles with opposite quantum numbers provide insight into quark production mechanisms and time scales, collective motion, and re-scattering in the hadronic ... • #### 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 ... • #### Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at \(\sqrt{s_{\rm NN}}=5.02$ TeV ﻿

(Peer reviewed; Journal article, 2017-09)
We present the charged-particle pseudorapidity density in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02\,\mathrm{Te\kern-.25exV}$ in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity ...
• #### 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 ...