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Now showing items 201-278 of 278
(Journal article / Tidsskriftartikkel / PublishedVersion; 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. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
ALICE is one of four large experiments at the CERN Large Hadron Collider near Geneva, specially designed to study particle production in ultra-relativistic heavy-ion collisions. Located 52 meters underground with 28 meters ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
We present a Bayesian approach to particle identification (PID) within the ALICE experiment. The aim is to more effectively combine the particle identification capabilities of its various detectors. After a brief explanation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Two-particle angular correlations were measured in pp collisions at s√=7 TeV for pions, kaons, protons, and lambdas, for all particle/anti-particle combinations in the pair. Data for mesons exhibit an expected peak ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The directed flow of charged particles at midrapidity is measured in Pb-Pb collisions at √ s NN = 2.76 TeV relative to the collision symmetry plane defined by the spectator nucleons. A negative slope of the rapidity-odd ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The aim of this work is to explore possible medium modifications to the substructure of inclusive charged jets in Pb-Pb relative to proton-proton collisions by measuring a set of jet shapes. The set of shapes includes the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The first measurements of anisotropic flow coefficients vn 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 = ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The pT-differential production cross section of prompt Λ+ c charmed baryons was measured with the ALICE detector at the Large Hadron Collider (LHC) in pp collisions at √ s = 7 TeV and in p-Pb collisions at √ sNN = 5.02 TeV ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
A measurement of beauty hadron production at mid-rapidity in proton-lead collisions at a nucleon–nucleon centre-of-mass energy √sNN = 5.02 TeV is presented. The semi-inclusive decay channel of beauty hadrons into J/ψ is ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The correlations between event-by-event fluctuations of anisotropic flow harmonic amplitudes have been measured in Pb-Pb collisions at √ s NN = 2.76 TeV with the ALICE detector at the Large Hadron Collider. The results ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
An invariant differential cross section measurement of inclusive π0 and η meson production at mid-rapidity in pp collisions at √s = 8 TeV was carried out by the ALICE experiment at the LHC. The spectra of π0 and η mesons ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Medium modification of the shape of small-radius jets in central Pb-Pb collisions at √sN-N-=2.76 TeV
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at sNN−−−√=5.02 TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward (−4.46 < y cms ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
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 √ s N N = 2.76 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The ALICE experiment has measured the inclusive J/ψ production in Pb-Pb collisions at √ s NN = 2.76 TeV down to zero transverse momentum in the rapidity range 2.5 < y < 4 . A suppression of the inclusive J/ψ yield in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The characterisation of the jet substructure can give insight into the microscopic nature of the modification inducedon high-momentum partons by the Quark-Gluon Plasma that is formed in ultra-relativistic heavy-ion collisions. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
The production of mesons containing strange quarks ( K0SKS0 , φ) and both singly and doubly strange baryons ( ΛΛ , Λ¯¯¯¯Λ¯ , and Ξ−+Ξ¯¯¯¯+Ξ−+Ξ¯+ ) are measured at mid-rapidity in pp collisions at s√s = 0.9 TeVTeV with ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
In high-energy collisions, the spatio-temporal size of the particle production region can be measured using the Bose–Einstein correlations of identical bosons at low relative momentum. The source radii are typically extracted ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at TeX TeX 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at TeX TeX 2.76 TeV are studied as a function of the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The production cross sections for prompt charmed mesons D0, D+, D∗+ and D+s were measured at mid-rapidity in proton–proton collisions at a centre-of-mass energy s√=7 TeV with the ALICE detector at the Large Hadron Collider ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Measurements of charged jet production as a function of centrality are presented for p–Pb collisions recorded at sNN−−−√=5.02sNN=5.02 TeV with the ALICE detector. Centrality classes are determined via the energy deposit ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Transverse momentum spectra of π±, K± and View the MathML source up to pT=20 GeV/c at mid-rapidity in pp, peripheral (60–80%) and central (0–5%) Pb–Pb collisions at View the MathML source have been measured using the ALICE ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
We report the measurements of correlations between event-by-event fluctuations of amplitudes of anisotropic flow harmonics in nucleus-nucleus collisions, obtained for the first time using a new analysis method based on ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The inclusive production of the ψ(2S) charmonium state was studied as a function of centrality in p-Pb collisions at the nucleon-nucleon center of mass energy s√NN=5.02sNN=5.02 TeV at the CERN LHC. The measurement was ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
A measurement of dijet correlations in p–Pb collisions at View the MathML source with the ALICE detector is presented. Jets are reconstructed from charged particles measured in the central tracking detectors and neutral ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The transverse momentum (pT) spectrum and nuclear modification factor (RAA) of reconstructed jets in 0–10% and 10–30% central Pb–Pb collisions at View the MathML source were measured. Jets were reconstructed using the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Three- and four-pion Bose-Einstein correlations are presented in pp,p-Pb, and Pb-Pb collisions at the LHC. We compare our measured four-pion correlations to the expectation derived from two- and three-pion measurements. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Prompt D meson and non-prompt J/ψ yields are studied as a function of the multiplicity of charged particles produced in inelastic proton-proton collisions at a centre-of-mass energy of s√=7s=7 TeV. The results are ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and Coulomb ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN−−−−√=2.76sNN=2.76 TeV in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We present a measurement of inclusive J/ψ production in p-Pb collisions at sNN−−−√=5.02sNN=5.02 TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree Calorimeters. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We report the first measurement at the LHC of coherent photoproduction of ρ0 mesons in ultra-peripheral Pb-Pb collisions. The invariant mass and transverse momentum distributions for ρ0 production are studied in the π+π− ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
We present measurements of the azimuthal dependence of charged jet production in central and semi-central View the MathML sourcesNN=2.76 TeV Pb–Pb collisions with respect to the second harmonic event plane, quantified as ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We report the measurement of a new observable of jet quenching in central Pb-Pb collisions at sNN−−−√=2.76sNN=2.76 TeV, based on the semi-inclusive rate of charged jets recoiling from a high transverse momentum (high-pT) ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We present the first measurement of the two-particle transverse momentum differential correlation function, P2≡ ⟨ Δ p T Δ p T ⟩ / ⟨ p T ⟩ 2 , in Pb-Pb collisions at √ s N N = 2.76 TeV . Results for P2 are reported as ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at √ s N N = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The azimuthal correlations of D mesons with charged particles were measured with the ALICE apparatus in pp collisions at s√=7 TeVs=7 TeV and p–Pb collisions at sNN−−−√=5.02 TeVsNN=5.02 TeV at the Large Hadron Collider. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
In ultra relativistic heavy-ion collisions at the Large Hadron Collider (LHC), conditions are met to produce a hot, denseand strongly interacting medium known as the Quark Gluon Plasma (QGP). Quarks and gluons from incoming ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The measurement of azimuthal correlations of charged particles is presented for Pb-Pb collisions at sNN−−−√=2.76 TeV and p-Pb collisions at sNN−−−√=5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We present the first ever measurements of femtoscopic correlations between the K0 S and K± particles. The analysis was performed on the data from Pb–Pb collisions at √sNN = 2.76 TeV measured by the ALICE experiment. The ...