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J/[psi] production and nuclear effects in p-Pb collisions at √sNN=5.02 TeV

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Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy $ \sqrt{{{s_{\mathrm{NN}}}}} $= 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03 < ycms< 3.53 and −4.46 < ycms&...

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Main Authors: Abelev, Betty (Author) , Angelov, Venelin (Author) , Bock, Friederike (Author) , Busch, Oliver (Author) , Fasel, Markus (Author) , Glässel, Peter (Author) , Grajcarek, Robert (Author) , Herrmann, Norbert (Author) , Klein, Jochen (Author) , Kweon, MinJung (Author) , Lohner, Daniel (Author) , Lu, Xianguo (Author) , Maire, Antonin (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) , 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: 18 February 2014
In: Journal of high energy physics

ISSN:1029-8479
DOI:10.1007/JHEP02(2014)073
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP02(2014)073
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Author Notes:B. Abelev, The ALICE collaboration
Description
Summary:Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy $ \sqrt{{{s_{\mathrm{NN}}}}} $= 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03 < ycms< 3.53 and −4.46 < ycms< −2.96, down to zero transverse momentum, studying the μ+μ− decay mode. In this paper, the J/ψ production cross section and the nuclear modification factor RpPb for the rapidities under study are presented. While at forward rapidity, corresponding to the proton direction, a suppression of the J/ψ yield with respect to binary-scaled pp collisions is observed, in the backward region no suppression is present. The ratio of the forward and backward yields is also measured differentially in rapidity and transverse momentum. Theoretical predictions based on nuclear shadowing, as well as on models including, in addition, a contribution from partonic energy loss, are in fair agreement with the experimental results.
Item Description:Im Titel wird "psi" als griechischer Buchstabe dargestellt
Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
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Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP02(2014)073

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