0000000000285267

AUTHOR

F. R. Sanchez

showing 2 related works from this author

Measurement of the (anti-)3He elliptic flow in Pb–Pb collisions at sNN=5.02TeV

2020

The elliptic flow ( v 2 ) of (anti-) 3He is measured in Pb–Pb collisions at s NN = 5.02 TeV in the transverse-momentum ( p T ) range of 2–6 GeV/c for the centrality classes 0–20%, 20–40%, and 40–60% using the event-plane method. This measurement is compared to that of pions, kaons, and protons at the same center-of-mass energy. A clear mass ordering is observed at low p T , as expected from relativistic hydrodynamics. The violation of the scaling of v 2 with the number of constituent quarks at low p T , already observed for identified hadrons and deuterons at LHC energies, is confirmed also for (anti-) 3He. The elliptic flow of (anti-) 3He is underestimated by the Blast-Wave model and overe…

PhysicsQuarkNuclear and High Energy Physics010308 nuclear & particles physicsNuclear TheoryElliptic flowHadron01 natural sciencesNuclear physicsPionHelium-30103 physical sciencesNeutronNuclear Experiment010306 general physicsNucleonScalingPhysics Letters B
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Measurement of ϒ(1S) Elliptic Flow at Forward Rapidity in Pb-Pb Collisions at sNN=5.02  TeV

2019

The first measurement of the Υ(1S) elliptic flow coefficient (v2) is performed at forward rapidity (2.5 < y < 4) in Pb–Pb collisions at √sNN=5.02 TeV with the ALICE detector at the LHC. The results are obtained with the scalar product method and are reported as a function of transverse momentum (pT) up to 15 GeV/c in the 5%–60% centrality interval. The measured Υ(1S)v2 is consistent with 0 and with the small positive values predicted by transport models within uncertainties. The v2 coefficient in 2 < pT < 15 GeV/c is lower than that of inclusive J/ψ mesons in the same pT interval by 2.6 standard deviations. These results, combined with earlier suppression measurements, are in agreement with…

Quantum chromodynamicsPhysicsLarge Hadron ColliderMesonElliptic flowGeneral Physics and AstronomyQuarkonium01 natural sciencesStandard deviationNuclear physics0103 physical sciencesQuark–gluon plasmaRapidityNuclear Experiment010306 general physicsPhysical Review Letters
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