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Event-shape engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at √sNN=5.02 TeV

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The production yield of prompt D mesons and their elliptic flow coefficient v2 were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10-30% and 30-50% centrality classes) Pb-Pb collisions at the centre-of-mass energy per nucleon pair sNN−−−√=5.02sNN=5.02 \sqrt{s_{\ma...

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Autores principales: Acharya, Shreyasi (Autor) , Angelov, Venelin (Autor) , Arslandok, Mesut (Autor) , Danisch, Meike (Autor) , Deisting, Alexander (Autor) , Feuillard, Victor (Autor) , Glässel, Peter (Autor) , Kim, Jiyoung (Autor) , Kim, Minjung (Autor) , Klewin, Sebastian (Autor) , Köhler, Markus Konrad (Autor) , Leardini, Lucia (Autor) , Ohlson, Alice (Autor) , Pachmayer, Yvonne C. (Autor) , Reygers, Klaus (Autor) , Schicker, Rainer (Autor) , Schmidt, Marten Ole (Autor) , Stachel, Johanna (Autor) , Weiser, Dennis (Autor) , Windelband, Bernd (Autor)
Autor Corporativo: ALICE (Autor)
Formato: Article (Journal)
Lenguaje:inglés
Publicado: 22 February 2019
In: Journal of high energy physics
Year: 2019, Número: 2
ISSN:1029-8479
DOI:10.1007/JHEP02(2019)150
Acceso en línea:Verlag, Volltext: https://doi.org/10.1007/JHEP02(2019)150
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Notas de Autor:the ALICE collaboration
Descripción
Sumario:The production yield of prompt D mesons and their elliptic flow coefficient v2 were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10-30% and 30-50% centrality classes) Pb-Pb collisions at the centre-of-mass energy per nucleon pair sNN−−−√=5.02sNN=5.02 \sqrt{s_{\mathrm{NN}}}=5.02 TeV, with the ALICE detector at the LHC. The ESE technique allows the classification of events, belonging to the same centrality, according to the azimuthal anisotropy of soft particle production in the collision. The reported measurements give the opportunity to investigate the dynamics of charm quarks in the Quark-Gluon Plasma and provide information on their participation in the collective expansion of the medium. D mesons were reconstructed via their hadronic decays at mid-rapidity, |η| < 0.8, in the transverse momentum interval 1 < pT < 24 GeV/c. The v2 coefficient is found to be sensitive to the event-shape selection confirming a correlation between the D-meson azimuthal anisotropy and the collective expansion of the bulk matter, while the per-event D-meson yields do not show any significant modification within the current uncertainties. Open image in new window
Notas:ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, V.J.G. Feuillard, P. Glässel, J. Kim, M. Kim, S. Klewin, M.K. Köhler, L. Leardini, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, J. Stachel, D.F. Weiser, B. Windelband [und weitere]
Gesehen am 15.04.2019
Descripción Física:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP02(2019)150

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