Predictions for 5.023 TeV Pb + Pb collisions at the CERN Large Hadron Collider

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http://hdl.handle.net/10138/190716

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Niemi , H , Eskola , K J , Paatelainen , R & Tuominen , K 2016 , ' Predictions for 5.023 TeV Pb + Pb collisions at the CERN Large Hadron Collider ' , Physical Review C , vol. 93 , no. 1 , 014912 . https://doi.org/10.1103/PhysRevC.93.014912

Title: Predictions for 5.023 TeV Pb + Pb collisions at the CERN Large Hadron Collider
Author: Niemi, H.; Eskola, K. J.; Paatelainen, R.; Tuominen, K.
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
Date: 2016-01-29
Language: eng
Number of pages: 8
Belongs to series: Physical Review C
ISSN: 2469-9985
URI: http://hdl.handle.net/10138/190716
Abstract: We compute predictions for various low-transverse-momentum bulk observables in root s(NN) = 5.023 TeV Pb+Pb collisions at the CERN Large Hadron Collider (LHC) from the event-by-event next-to-leading-order perturbative-QCD + saturation + viscous hydrodynamics ("EKRT") model. In particular, we consider the centrality dependence of charged hadron multiplicity, flow coefficients of the azimuth-angle asymmetries, and correlations of event-plane angles. The centrality dependencies of the studied observables are predicted to be very similar to those at 2.76 TeV, and the magnitudes of the flow coefficients and event-plane angle correlations are predicted to be close to those at 2.76 TeV. The flow coefficients may, however, offer slightly more discriminating power on the temperature dependence of QCD matter viscosity than the 2.76 TeV measurements. Our prediction for the multiplicity in the 0-5 % centrality class, obtained using the two temperature-dependent shear-viscosity-to-entropy ratios that give the best overall fit to BNL Relativistic Heavy Ion Collider (RHIC) and LHC data is dN(ch)/d eta vertical bar(vertical bar eta vertical bar
Subject: HEAVY-ION COLLISIONS
TRANSVERSE ENERGIES
NUCLEAR COLLISIONS
MULTIPLICITIES
DYNAMICS
FLOW
QCD
114 Physical sciences
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