|
|||||
|
|
Centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at sqrt[s(NN)] = 2.76 TeV |
|
| Authors: | Aamodt K;ALICE Collaboration Abrahantes Quintana A Adamová D Adare A M Aggarwal M M Aglieri Rinella G Agocs A G Aguilar Salazar S Ahammed Z Ahmad N Ahmad Masoodi A Ahn S U Akindinov A Aleksandrov D Alessandro B Alfaro Molina R Alici A Alkin A Almaráz Aviña E Alt T Altini V Altinpinar S Altsybeev I Andrei C Andronic A Anguelov V Anson C Antičić T Antinori F Antonioli P Aphecetche L Appelshäuser H Arbor N Arcelli S Arend A Armesto N Arnaldi R Aronsson T Arsene I C Asryan A Augustinus A Averbeck R Awes T C Aystö J Azmi M D Bach M Badalà A Baek Y W Bagnasco S Bailhache R Bala R Baldini Ferroli R |
| Institution: | Department of Physics and Technology, University of Bergen, Bergen, Norway. |
| Abstract: | The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at sqrts_{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. |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ | |