J/[psi] suppression at forward rapidity in Pb-Pb collisions at √sNN=5.02 TeV
The inclusive J/ψ production has been studied in Pb-Pb and pp collisions at the centre-of-mass energy per nucleon pair sNN=5.02 TeV, using the ALICE detector at the CERN LHC. The J/ψ meson is reconstructed, in the centre-of-mass rapidity interval 2.5<y<4 and in the transverse-momentum range pT...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 January 2017
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| In: |
Physics letters
Year: 2017, Jahrgang: 766, Pages: 212-224 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2016.12.064 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/j.physletb.2016.12.064 Verlag, kostenfrei, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269317300102 
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| Verfasserangaben: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a J/[psi] suppression at forward rapidity in Pb-Pb collisions at √sNN=5.02 TeV |c ALICE Collaboration* |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 0 | |a ψ |
| 246 | 3 | 3 | |a J/psi suppression at forward rapidity in Pb-Pb collisions at square root sNN=5.02 TeV |
| 264 | 1 | |c 10 January 2017 | |
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| 500 | |a Im Titel wird "psi" als griechischer Buchstabe dargestellt | ||
| 500 | |a Im Titel ist "NN" tiefgestellt | ||
| 500 | |a ALICE Collaboration: J. Adam, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, J. Stachel, D.F. Weiser, J. Wilkinson, B. Windelband, A. Zimmermann [und weitere] | ||
| 520 | |a The inclusive J/ψ production has been studied in Pb-Pb and pp collisions at the centre-of-mass energy per nucleon pair sNN=5.02 TeV, using the ALICE detector at the CERN LHC. The J/ψ meson is reconstructed, in the centre-of-mass rapidity interval 2.5<y<4 and in the transverse-momentum range pT<12 GeV/c, via its decay to a muon pair. In this Letter, we present results on the inclusive J/ψ cross section in pp collisions at s=5.02 TeV and on the nuclear modification factor RAA. The latter is presented as a function of the centrality of the collision and, for central collisions, as a function of the transverse momentum pT of the J/ψ. The measured RAA values indicate a suppression of the J/ψ in nuclear collisions and are then compared to our previous results obtained in Pb-Pb collisions at sNN=2.76 TeV. The ratio of the RAA values at the two energies is also computed and compared to calculations of statistical and dynamical models. The numerical value of the ratio for central events (0-10% centrality) is 1.17±0.04(stat)±0.20(syst). In central events, as a function of pT, a slight increase of RAA with collision energy is visible in the region 2<pT<6 GeV/c. Theoretical calculations qualitatively describe the measurements, within uncertainties. | ||
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