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Elliptic flow of muons from heavy-flavour hadron decays at forward rapidity in Pb-Pb collisions at √sNN=2.76 TeV

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The elliptic flow, v2, of muons from heavy-flavour hadron decays at forward rapidity (2.5<y<4) is measured in Pb-Pb collisions at sNN=2.76 TeV with the ALICE detector at the LHC. The scalar product, two- and four-particle Q cumulants and Lee-Yang zeros methods are used. The dependence of the v...

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Main Authors: Adam, Jaroslav (Author) , Angelov, Venelin (Author) , Bock, Friederike (Author) , Busch, Oliver (Author) , Deisting, Alexander (Author) , Fleck, Martin (Author) , Glässel, Peter (Author) , Karayan, Lilit (Author) , Klein, Jochen (Author) , Knichel, Michael Linus (Author) , Leardini, Lucia (Author) , Mercado Pérez, Jorge (Author) , Oeschler, Helmut (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Reidt, Felix (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Stachel, Johanna (Author) , Stiller, Johannes Hendrik (Author) , Völkl, Martin (Author) , Wilkinson, Jeremy (Author) , Windelband, Bernd (Author) , Winn, Michael (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 2016
In: Physics letters
Year: 2015, Volume: 753, Pages: 41-56
ISSN:1873-2445
DOI:10.1016/j.physletb.2015.11.059
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2015.11.059
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269315009156
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Author Notes:ALICE Collaboration
Description
Summary:The elliptic flow, v2, of muons from heavy-flavour hadron decays at forward rapidity (2.5<y<4) is measured in Pb-Pb collisions at sNN=2.76 TeV with the ALICE detector at the LHC. The scalar product, two- and four-particle Q cumulants and Lee-Yang zeros methods are used. The dependence of the v2 of muons from heavy-flavour hadron decays on the collision centrality, in the range 0-40%, and on transverse momentum, pT, is studied in the interval 3<pT<10 GeV/c. A positive v2 is observed with the scalar product and two-particle Q cumulants in semi-central collisions (10-20% and 20-40% centrality classes) for the pT interval from 3 to about 5 GeV/c with a significance larger than 3σ, based on the combination of statistical and systematic uncertainties. The v2 magnitude tends to decrease towards more central collisions and with increasing pT. It becomes compatible with zero in the interval 6<pT<10 GeV/c. The results are compared to models describing the interaction of heavy quarks and open heavy-flavour hadrons with the high-density medium formed in high-energy heavy-ion collisions.
Item Description:Im Titel steht sNN unter dem Wurzelsymbol
Available online 2 December 2015
ALICE collaboration: J. Adam, V. Anguelov, F. Bock, O. Busch, A. Deisting, M.G. Fleck, P. Glässel, L. Karayan, J. Klein, M.L. Knichel, L. Leardini, J. Mercado Pérez, H. Oeschler, K. Oyama, Y. Pachmayer, F. Reidt, K. Reygers, R. Schicker, J. Stachel, J.H. Stiller, M.A. Völkl, J. Wilkinson, B. Windelband, M. Winn, A. Zimmermann [und 961 weitere]
Gesehen am 29.07.2020
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2015.11.059

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