Centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=5.02 TeV
The pseudorapidity density of charged particles, dNch/dη, at midrapidity in Pb-Pb collisions has been measured at a center-of-mass energy per nucleon pair of √sNN=5.02 TeV. For the 5% most central collisions, we measure a value of 1943±54. The rise in dNch/dη as a function of √sNN is steeper than th...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
3 June 2016
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| In: |
Physical review letters
Year: 2016, Jahrgang: 116, Heft: 22 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.116.222302 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.116.222302 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.116.222302 
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| Verfasserangaben: | J. Adam et al.* (ALICE Collaboration) |
MARC
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| 245 | 1 | 0 | |a Centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=5.02 TeV |c J. Adam et al.* (ALICE Collaboration) |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at root sNN=5.02 TeV |
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| 500 | |a *ALICE Collaboration: J. Adam, V. Anguelov, O. Busch, M.C. Danisch, A. Deisting, M.G. Fleck, P. Glaessel, S. Klewin, M.L. Knichel, L. Leardini, J. Mercado Perez, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, J. Stachel, J. Stiller, M.A. Voelkl, D.F. Weiser, J. Wilkinson, B. Windelband, M. Winn, A. Zimmermann [und 969 weitere Personen] | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol | ||
| 500 | |a Gesehen am 21.07.2020 | ||
| 520 | |a The pseudorapidity density of charged particles, dNch/dη, at midrapidity in Pb-Pb collisions has been measured at a center-of-mass energy per nucleon pair of √sNN=5.02 TeV. For the 5% most central collisions, we measure a value of 1943±54. The rise in dNch/dη as a function of √sNN is steeper than that observed in proton-proton collisions and follows the trend established by measurements at lower energy. The increase of dNch/dη as a function of the average number of participant nucleons, ⟨Npart⟩, calculated in a Glauber model, is compared with the previous measurement at √sNN=2.76 TeV. A constant factor of about 1.2 describes the increase in dNch/dη from √sNN=2.76 to 5.02 TeV for all centrality classes, within the measured range of 0%-80% centrality. The results are also compared to models based on different mechanisms for particle production in nuclear collisions. | ||
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