Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at √sNN=2.76  TeV

K. Aamodt; A. Abrahantes Quintana; A. Mischke; G.J.L. Nooren; T. Peitzmann; D. Thomas; M. van Leeuwen; M. Verweij; M. Zynovyev

doi:10.1103/PhysRevLett.106.032301

Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at √sNN=2.76 TeV

K. Aamodt, A. Abrahantes Quintana, A. Mischke, G.J.L. Nooren, T. Peitzmann, D. Thomas, M. van Leeuwen, M. Verweij, M. Zynovyev

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Abstract

The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%–80%) to central (0%–5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.

Original language	English
Pages (from-to)	032301/1-032301/10
Number of pages	10
Journal	Physical Review Letters
Volume	106
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.106.032301
Publication status	Published - 2011

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Aamodt, K., Abrahantes Quintana, A., Mischke, A., Nooren, G. J. L., Peitzmann, T., Thomas, D., van Leeuwen, M., Verweij, M., & Zynovyev, M. (2011). Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at √sNN=2.76 TeV. Physical Review Letters, 106(3), 032301/1-032301/10. https://doi.org/10.1103/PhysRevLett.106.032301

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abstract = "The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%–80%) to central (0%–5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.",

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Aamodt, K, Abrahantes Quintana, A, Mischke, A, Nooren, GJL, Peitzmann, T, Thomas, D, van Leeuwen, M , Verweij, M & Zynovyev, M 2011, 'Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at √sNN=2.76 TeV', Physical Review Letters, vol. 106, no. 3, pp. 032301/1-032301/10. https://doi.org/10.1103/PhysRevLett.106.032301

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AU - Aamodt, K.

AU - Abrahantes Quintana, A.

AU - Mischke, A.

AU - Nooren, G.J.L.

AU - Peitzmann, T.

AU - Thomas, D.

AU - van Leeuwen, M.

AU - Verweij, M.

AU - Zynovyev, M.

PY - 2011

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N2 - The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%–80%) to central (0%–5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.

AB - The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%–80%) to central (0%–5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.

U2 - 10.1103/PhysRevLett.106.032301

DO - 10.1103/PhysRevLett.106.032301

M3 - Article

SN - 0031-9007

VL - 106

SP - 032301/1-032301/10

JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

ER -

Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at √sNN=2.76 TeV

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