D Meson elliptic flow in noncentral Pb-Pb collisions at sNN−−−−√=2.76 TeV (CROSBI ID 199960)
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Podaci o odgovornosti
Abedev, B. ; ... ; Antičić, Tome ; ... ; Gotovac, Sven ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Simatović, Goran ; ... ; Šuša, Tatjana ; ... ; Vicković, Linda ; ... ; Zyzak, M.
engleski
D Meson elliptic flow in noncentral Pb-Pb collisions at sNN−−−−√=2.76 TeV
Azimuthally anisotropic distributions of D0, D+, and D*+ mesons were studied in the central rapidity region (|y|<0.8) in Pb-Pb collisions at a center-of-mass energy sNN−−−√=2.76 TeV per nucleon-nucleon collision, with the ALICE detector at the LHC. The second Fourier coefficient v2 (commonly denoted elliptic flow) was measured in the centrality class 30%–50% as a function of the D meson transverse momentum pT, in the range 2–16 GeV/c. The measured v2 of D mesons is comparable in magnitude to that of light-flavor hadrons. It is positive in the range 2<pT<6 GeV/c with 5.7σ significance, based on the combination of statistical and systematic uncertainties.
D meson; elliptic flow; Pb-Pb; heavy ion; ALICE
The ALICE Collaboration.
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Podaci o izdanju
111 (10)
2013.
102301-1-102301-11
objavljeno
0031-9007
10.1103/PhysRevLett.111.102301