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Anisotropic flow of charged hadrons, pions and (anti-)protons measured at high transverse momentum in Pb-Pb collisions at √sNN=2.76 TeV

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The elliptic, v2, triangular, v3, and quadrangular, v4, azimuthal anisotropic flow coefficients are measured for unidentified charged particles, pions, and (anti-)protons in Pb-Pb collisions at sNN=2.76 TeV with the ALICE detector at the Large Hadron Collider. Results obtained with the event plane a...

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Main Authors: Abelev, Betty (Author) , Angelov, Venelin (Author) , Busch, Oliver (Author) , Constantin, Paul (Author) , Glässel, Peter (Author) , Grajcarek, Robert (Author) , Herrmann, Norbert (Author) , Klein, Jochen (Author) , Koch, Kathrin (Author) , Krawutschke, Tobias (Author) , Kweon, MinJung (Author) , Lohner, Daniel (Author) , Lu, Xianguo (Author) , Maire, Antonin (Author) , Mercado Pérez, Jorge (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Radomski, Sylwester (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Stachel, Johanna (Author) , Stiller, Johannes Hendrik (Author) , Vallero, Sara (Author) , Wang, Yifei (Author) , Windelband, Bernd (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 4 January 2013
In: Physics letters
Year: 2013, Volume: 719, Issue: 1, Pages: 18-28
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.12.066
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2012.12.066
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S037026931300004X
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Author Notes:ALICE collaboration
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Summary:The elliptic, v2, triangular, v3, and quadrangular, v4, azimuthal anisotropic flow coefficients are measured for unidentified charged particles, pions, and (anti-)protons in Pb-Pb collisions at sNN=2.76 TeV with the ALICE detector at the Large Hadron Collider. Results obtained with the event plane and four-particle cumulant methods are reported for the pseudo-rapidity range |η|<0.8 at different collision centralities and as a function of transverse momentum, pT, out to pT=20 GeV/c. The observed non-zero elliptic and triangular flow depends only weakly on transverse momentum for pT>8 GeV/c. The small pT dependence of the difference between elliptic flow results obtained from the event plane and four-particle cumulant methods suggests a common origin of flow fluctuations up to pT=8 GeV/c. The magnitude of the (anti-)proton elliptic and triangular flow is larger than that of pions out to at least pT=8 GeV/c indicating that the particle type dependence persists out to high pT.
Item Description:Im Titel steht "sNN" unter dem Wurzelsymbol
Im Titel ist "NN" in sNN tiefgestellt
The ALICE collaboration: B. Abelev, V. Angelov, O. Busch, P. Constantin, P. Glässel, R. Grajcarek, N. Herrmann, J. Klein, K. Koch, T. Krawutschke, M.J. Kweon, D. Lohner, X.-G. Lu, A. Maire, J. Mercado-Pérez, K. Oyama, Y. Pachmayer, S. Radomski, K. Reygers, R. Schicker, J. Stachel, J.H. Stiller, S. Vallero, Y. Wang, B. Windelband, A. Zimmermann und weitere 937
Gesehen am 30.04.2021
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.12.066

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