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Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at {radical}(s{sub NN})=2.76 TeV

Aamodt, K. ; Djuvsland, O. ; Fehlker, D. ; Haaland, O. ; Huang, M. ; Kanaki, K. ; Klovning, A. ; Larsen, D. T. ; Liu, L. ; Nystrand, J. ; Ovrebekk, G. ; Richter, M. ; Roehrich, D. ; Skjerdal, K. ; Szostak, A. ; Ullaland, K. ; Wagner, B. ; Abrahantes Quintana, A. ; Lopez Torres, E. ; Shtejer, K.

Physical review letters, 2011-01, Vol.106 (3) [Periódico revisado por pares]

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Título:
Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at {radical}(s{sub NN})=2.76 TeV
Autor: Aamodt, K. ; Djuvsland, O. ; Fehlker, D. ; Haaland, O. ; Huang, M. ; Kanaki, K. ; Klovning, A. ; Larsen, D. T. ; Liu, L. ; Nystrand, J. ; Ovrebekk, G. ; Richter, M. ; Roehrich, D. ; Skjerdal, K. ; Szostak, A. ; Ullaland, K. ; Wagner, B. ; Abrahantes Quintana, A. ; Lopez Torres, E. ; Shtejer, K.
Assuntos: BARYONS ; CHARGED PARTICLES ; COLLISIONS ; DENSITY ; ELEMENTARY PARTICLES ; ELEMENTS ; ENERGY RANGE ; FERMIONS ; HADRONS ; LEAD ; METALS ; MULTIPLICITY ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEONS ; PARTICLE PRODUCTION ; PHYSICAL PROPERTIES ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; TEV RANGE ; TEV RANGE 01-10
É parte de: Physical review letters, 2011-01, Vol.106 (3)
Descrição: The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at {radical}(s{sub NN})=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.
Editor: United States
Idioma: Inglês

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