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Centrality dependence of high-pT D meson suppression in Pb-Pb collisions at √sNN=2.76 TeV

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The nuclear modification factor, R AA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN−−−−√=2.76sNN=2.76 \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=2.76 TeV in two transverse momentum intervals, 5 &l...

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Main Authors: Adam, Jaroslav (Author) , Angelov, Venelin (Author) , Arslandok, Mesut (Author) , Busch, Oliver (Author) , Deisting, Alexander (Author) , Glässel, Peter (Author) , Knichel, Michael Linus (Author) , Leardini, Lucia (Author) , Mercado Pérez, Jorge (Author) , Oeschler, Helmut (Author) , Ohlson, Alice (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) , Wang, Yifei (Author) , Wilkinson, Jeremy (Author) , Windelband, Bernd (Author) , Winn, Michael (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: November 30, 2015
In: Journal of high energy physics
Year: 2015, Issue: 11
ISSN:1029-8479
DOI:10.1007/JHEP11(2015)205
Online Access:Verlag, Volltext: http://dx.doi.org/10.1007/JHEP11(2015)205
Verlag, Volltext: https://doi.org/10.1007/JHEP11(2015)205
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Author Notes:The ALICE Collaboration
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Summary:The nuclear modification factor, R AA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN−−−−√=2.76sNN=2.76 \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=2.76 TeV in two transverse momentum intervals, 5 < p T < 8 GeV/c and 8 < p T < 16 GeV/c, and in six collision centrality classes. The R AA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the R AA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions. Open image in new window
Item Description:Im Titel steht T tief
Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
ALICE Collaboration: J. Adam, V. Anguelov, M. Arslandok, O. Busch, A. Deisting, P. Glässel, M.L. Knichel, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, K. Oyama, Y. Pachmayer, F. Reidt, K. Reygers, R. Schicker, J. Stachel, J.H. Stiller, M.A. Völkl, Y. Wang, J. Wilkinson, B. Windelband, M. Winn, A. Zimmermann [und weitere]
Gesehen am 19.10.2018
An addendum to this article was published on June 6, 2017
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP11(2015)205

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