D-Meson Azimuthal Anisotropy in Midcentral Pb-Pb Collisions at √sNN=5.02 TeV (CROSBI ID 252537)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Acharya, S. ; ... ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Jerčić, Marko ; ... ; Lončar, Petra ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Simatović, Goran ; ... ; Utrobičić, Antonija ; ... ; Vicković, Linda ; ... ; Zou, S.
ALICE Collaboration
engleski
D-Meson Azimuthal Anisotropy in Midcentral Pb-Pb Collisions at √sNN=5.02 TeV
The azimuthal anisotropy coefficient v2 of prompt D0, D+, D∗+ and D+s mesons was measured in mid-central (30- 50% centrality class) Pb-Pb collisions at a centre-of-mass energy per nucleon pair √sNN=5.02 TeV, with the ALICE detector at the LHC. The D mesons were reconstructed via their hadronic decays at mid-rapidity, |y|<0.8, in the transverse momentum interval 1-24 GeV/c. The measured D-meson v2 has similar values as that of charged pions. The D+s v2, measured for the first time, is found to be compatible with that of non-strange 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.
meson ; D: elliptic flow ; D: yield ; D: decay ; angular distribution : anisotropy ; heavy ion: scattering ; lead ; nucleon: pair ; hadronic decay ; CERN Lhc Coll ; ALICE
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Podaci o izdanju
120
2018.
102301
13
objavljeno
0031-9007
1079-7114
10.1103/physrevlett.120.102301
