Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN=2.76 TeV
The transverse momentum (pT) dependence of the nuclear modification factor RAA and the centrality dependence of the average transverse momentum 〈pT〉 for inclusive J/ψ have been measured with ALICE for Pb-Pb collisions at √sNN = 2.76 TeV in the e+e− decay channel at mid-rapidity (|y| < 0.8). The 〈...
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| Main Authors: | , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
10 July 2015
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| In: |
Journal of high energy physics
Year: 2015, Issue: 7, Pages: 1-33 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP07(2015)051 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP07(2015)051 |
| Author Notes: | The ALICE collaboration* |
MARC
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| 245 | 1 | 0 | |a Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN=2.76 TeV |c The ALICE collaboration* |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Inclusive, prompt and non-prompt J/psi production at mid-rapidity in Pb-Pb collisions at square root s NN = 2.76 TeV |
| 264 | 1 | |c 10 July 2015 | |
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| 500 | |a *The ALICE collaboration: J. Adam, V. Anguelov, O. Busch, M. Fleck, P. Glaessel, J. Klein, M.L. Knichel, L. Leardini, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, J. Stachel, J. Stiller, M.A. Voelkl, B. Windelband, M. Winn, A. Zimmermann [und 962 weitere Personen] | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt | ||
| 500 | |a Gesehen am 21.07.2021 | ||
| 520 | |a The transverse momentum (pT) dependence of the nuclear modification factor RAA and the centrality dependence of the average transverse momentum 〈pT〉 for inclusive J/ψ have been measured with ALICE for Pb-Pb collisions at √sNN = 2.76 TeV in the e+e− decay channel at mid-rapidity (|y| < 0.8). The 〈pT〉 is significantly smaller than the one observed for pp collisions at the same centre-of-mass energy. Consistently, an increase of RAA is observed towards low pT. These observations might be indicative of a sizable contribution of charm quark coalescence to the J/ψ production. Additionally, the fraction of non-prompt J/ψ from beauty hadron decays, fB, has been determined in the region 1.5 < pT < 10 GeV/c in three centrality intervals. No significant centrality dependence of fB is observed. Finally, the RAA of non-prompt J/ψ is discussed and compared with model predictions. The nuclear modification in the region 4.5 < pT < 10 GeV/c is found to be stronger than predicted by most models. | ||
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