| Issue |
EPJ Web of Conferences
Volume 95, 2015
3rd International Conference on New Frontiers in Physics
|
|
|---|---|---|
| Article Number | 03038 | |
| Number of page(s) | 9 | |
| Section | Plenary | |
| DOI | https://doi.org/10.1051/epjconf/20159503038 | |
| Published online | 29 May 2015 | |
https://doi.org/10.1051/epjconf/20159503038
Hadron production and ϒ suppression at the LHC
Institut für Theoretische Physik der Universität Heidelberg, Philosophenweg 16, D-69120 Heidelberg, Germany, EU
a e-mail: wolschin@uni-hd.de
Published online: 29 May 2015
Hadron production in relativistic heavy-ion collisions at LHC energies is investigated. After a brief consideration of stopping, particle production is accounted for in a nonequilibrium-statistical model with two fragmentation sources, and a central source that is mostly due to low-x gluon-gluon collisions. The particle content and energy dependence of the three sources is discussed for AuAu (RHIC) and PbPb (LHC). Results for asymmetric pPb collisions are compared with ALICE and preliminary ATLAS data. The suppression of ϒ-mesons in the hot quark-gluon medium in PbPb collisions as compared to pp at √sNN = 2.76 TeV is accounted for in a model that encompasses gluodissociation, collisional damping, screening, and reduced feed-down. Results are compared with CMS and ALICE data.
© Owned by the authors, published by EDP Sciences, 2015
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