Abstract
The ALICE experiment at the Large Hadron Collider (LHC) at CERN is optimized for recording events in the very large particle multiplicity environment of heavy-ion collisions at LHC energies. The ALICE collaboration has taken data in Pb-Pb collisions in Run I and Run II at nucleon-nucleon center-of-mass energies $\sqrt{s_{\text{NN}}}$ = 2.76 and \mbox{5.02 TeV}, respectively, and in pp collisions at center-of-mass energies $\sqrt{s}$ = 0.9, 2.76, 5.02, 7, 8 and 13 TeV. The asymmetric system p-Pb was measured at a center-of-mass energy $\sqrt{s_{\text{NN}}}$ = 5.02 TeV. Selected physics results from the analysis of these data are presented, and an outline of the ALICE prospects for Run III is given.
Highlights
The ALICE experiment at the Large Hadron Collider (LHC) at CERN is a general purpose detector optimized for the measurement of high-energy Pb-Pb collisions [1]
The analysis of Pb-Pb collisions at LHC energies addresses a multitude of physics issues, above all the question of experimental observables to characterize the nature of the Quantum Chromodynamics (QCD) phase diagram [4]
The study of open-charm meson production in pp collisions at LHC energies allows to test predictions of perturbative QCD at the highest collider energies available. Such pQCD calculations are done in collinear factorization approach at next-to-leading order in the general-mass variable-flavour-number scheme (GM-VFNS), or at fixed order with next-to-leading-log resummation (FONLL)
Summary
The ALICE experiment at the Large Hadron Collider (LHC) at CERN is a general purpose detector optimized for the measurement of high-energy Pb-Pb collisions [1]. The analysis of such collisions allows to study a variety of issues which are pertinent to an improved understanding of Quantum Chromodynamics (QCD), the theory of the strong interaction. High-energy nuclear collisions allow to reach such energy densities, within a finite volume and for a limited time only This phase transition is accompanied by the restoration of chiral symmetry, in which the quarks acquire their current mass. Intrinsic QCD-medium signals can be disentangled from initial cold-matter and final-state effects by comparing the heavy-ion observables to the corresponding quantities measured in pp and p-Pb collisions
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