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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 in non-central PbPb collisions at sqrt(s_NN)=2.76 TeV / Abelev, B., Adam, J., Adamova, D., Adare, A.M., Aggarwal, M., Aglieri Rinella, G., Agnello, M., Agocs, A.G., Agostinelli, A., Ahammed, Z., Ahmad, N., Ahmad, A., Ahn, S., Ahn, S.U., Ajaz, M., Akindinov, A., Aleksandrov, D., Alessandro, B., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 111:10(2013). [10.1103/PhysRevLett.111.102301]

D meson elliptic flow in non-central PbPb collisions at sqrt(s_NN)=2.76 TeV

Bruno, Giuseppe Eugenio;
2013

Abstract

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
2013
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.111.102301
D meson elliptic flow in non-central PbPb collisions at sqrt(s_NN)=2.76 TeV / Abelev, B., Adam, J., Adamova, D., Adare, A.M., Aggarwal, M., Aglieri Rinella, G., Agnello, M., Agocs, A.G., Agostinelli, A., Ahammed, Z., Ahmad, N., Ahmad, A., Ahn, S., Ahn, S.U., Ajaz, M., Akindinov, A., Aleksandrov, D., Alessandro, B., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 111:10(2013). [10.1103/PhysRevLett.111.102301]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/6813
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