D-Meson Azimuthal Anisotropy in Midcentral Pb-Pb Collisions at √sNN = 5.02 TeV
ALICE Collaboration. (2018). D-Meson Azimuthal Anisotropy in Midcentral Pb-Pb Collisions at √sNN = 5.02 TeV. Physical Review Letters, 120(10), Article 102301. https://doi.org/10.1103/PhysRevLett.120.102301
Published inPhysical Review Letters
© 2018 CERN, for the ALICE Collaboration. This is an open access article distributed under the terms of the Creative Commons License.
The azimuthal anisotropy coefficient v 2 of prompt D 0 , D + , D * + , and D + s mesons was measured in midcentral (30%–50% centrality class) Pb-Pb collisions at a center-of-mass energy per nucleon pair √ s N N = 5.02 TeV , with the ALICE detector at the LHC. The D mesons were reconstructed via their hadronic decays at midrapidity, | y | < 0.8 , in the transverse momentum interval 1 < p T < 24 GeV / c . The measured D -meson v 2 has similar values as that of charged pions. The D + s v 2 , measured for the first time, is found to be compatible with that of nonstrange D mesons. The measurements are compared with theoretical calculations of charm-quark transport in a hydrodynamically expanding medium and have the potential to constrain medium parameters.
PublisherAmerican Physical Society
ISSN Search the Publication Forum0031-9007
Publication in research information system
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Except where otherwise noted, this item's license is described as © 2018 CERN, for the ALICE Collaboration. This is an open access article distributed under the terms of the Creative Commons License.
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