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Neutral pion production at midrapidity in pp and Pb-Pb collisions at √sNN=2.76TeV

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Invariant yields of neutral pions at midrapidity in the transverse momentum range 0.6<pT<12GeV/c measured in Pb-Pb collisions at √sNN=2.76TeV are presented for six centrality classes. The pp reference spectrum was measured in the range 0.4<pT<10GeV/c at the same center-of-mass energy. Th...

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Main Authors: Abelev, Betty (Author) , Angelov, Venelin (Author) , Bock, Friederike (Author) , Busch, Oliver (Author) , Fasel, Markus (Author) , Glässel, Peter (Author) , Klein, Jochen (Author) , Leardini, Lucia (Author) , Lu, Xianguo (Author) , Maire, Antonin (Author) , Mercado Pérez, Jorge (Author) , Oeschler, Helmut (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Stachel, Johanna (Author) , Vallero, Sara (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: 16 October 2014
In: The European physical journal. C, Particles and fields
Year: 2014, Volume: 74, Issue: 10
ISSN:1434-6052
DOI:10.1140/epjc/s10052-014-3108-8
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-014-3108-8
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Author Notes:the ALICE Collaboration
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Summary:Invariant yields of neutral pions at midrapidity in the transverse momentum range 0.6<pT<12GeV/c measured in Pb-Pb collisions at √sNN=2.76TeV are presented for six centrality classes. The pp reference spectrum was measured in the range 0.4<pT<10GeV/c at the same center-of-mass energy. The nuclear modification factor, RAA, shows a suppression of neutral pions in central Pb-Pb collisions by a factor of up to about 5≲pT≲7GeV/c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.
Item Description:The ALICE Collaboration: B. Abelev, V. Anguelov, F. Bock, O. Busch, M. Fasel, P. Glässel, J. Klein, L. Leardini, X.-G. Lu, A. Maire, J. Mercado Perez, H. Oeschler, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, J. Stachel, S. Vallero, M.A. Völkl, J. Wilkinson, B. Windelband, M. Winn, A. Zimmermann und weitere 912
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Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-014-3108-8

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