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Inclusive J/[psi] production in pp collisions at √s=2.76 TeV

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The ALICE Collaboration has measured inclusive J/ψ production in pp collisions at a center-of-mass energy s=2.76 TeV at the LHC. The results presented in this Letter refer to the rapidity ranges |y|<0.9 and 2.5<y<4 and have been obtained by measuring the electron and muon pair decay channel...

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Main Authors: Abelev, Betty (Author) , Angelov, Venelin (Author) , Busch, Oliver (Author) , Glässel, Peter (Author) , Grajcarek, Robert (Author) , Herrmann, Norbert (Author) , Krawutschke, Tobias (Author) , Kweon, MinJung (Author) , Lohner, Daniel (Author) , Lu, Xianguo (Author) , Mercado Pérez, Jorge (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Radomski, Sylwester (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Schweda, Kai (Author) , Stachel, Johanna (Author) , Ulrich, Joachim (Author) , Vallero, Sara (Author) , Wang, Yifei (Author) , Wiechula, Jens (Author) , Zimmermann, Alice (Author) , Windelband, Bernd (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 30 October 2012
In: Physics letters
Year: 2012, Volume: 718, Issue: 2, Pages: 295-306
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.10.078
Online Access:Verlag, Volltext: http://dx.doi.org/10.1016/j.physletb.2012.10.078
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269312011446
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Author Notes:ALICE Collaboration
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Summary:The ALICE Collaboration has measured inclusive J/ψ production in pp collisions at a center-of-mass energy s=2.76 TeV at the LHC. The results presented in this Letter refer to the rapidity ranges |y|<0.9 and 2.5<y<4 and have been obtained by measuring the electron and muon pair decay channels, respectively. The integrated luminosities for the two channels are Linte=1.1 nb−1 and Lintμ=19.9 nb−1, and the corresponding signal statistics are NJ/ψe+e−=59±14 and NJ/ψμ+μ−=1364±53. We present dσJ/ψ/dy for the two rapidity regions under study and, for the forward-y range, d2σJ/ψ/dydpt in the transverse momentum domain 0<pt<8 GeV/c. The results are compared with previously published results at s=7 TeV and with theoretical calculations.
Item Description:ALICE Collaboration: B. Abelev, V. Anguelov, O. Busch, P. Glässel, R.Grajcarek, N. Herrmann, T. Krawutschke, M.J. Kweon, D. Lohner, X.-G. Lu, J. Mercado Pérez, K. Oyama, Y. Pachmayer, S. Radomski, K. Reygers, R. Schicker, K. Schweda, J. Stachel, J. Ulrich, S. Vallero, Y. Wang, J. Wiechula, B. Windelband, A. Zimmermann [und weitere]
Im Titel wird "psi" als griechischer Buchstabe dargestellt
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Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.10.078

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