Publication : t18/102
Confronting hydrodynamic predictions with Xe-Xe data
Giacalone G. (CEA, IPhT (Institut de Physique Théorique), F-91191 Gif-sur-Yvette, France)Noronha-Hostler J. (Physics Department, Rutgers University, Piscataway, New Jersey 08854, USA)
Luzum M. (Departamento de Física Matemática Instituto de Física Universidade de São Paulo C.P. 66318 05315-970, São Paulo, Brazil)
Ollitrault J.-Y. (CEA, IPhT (Institut de Physique Théorique), F-91191 Gif-sur-Yvette, France)
Abstract:Année de publication : 2019
Comparing collision systems of different size, at near the same collision energy, offers us the opportunity to probe the scaling behavior and therefore the nature of the system itself. Recently, we made predictions for Xe-Xe collisions at 5.44 TeV using viscous hydrodynamic simulations, noting that the scaling from the larger Pb-Pb system is rather generic, and arguing that robust predictions can be made that do not depend on details of the model. Here we confront our predictions with measurements that were subsequently made in a short Xe-Xe run at the LHC by the ALICE, ATLAS, and CMS collaborations. We find that the predictions are largely confirmed. Of particular interest is a strong indication of a non-spherical shape for the 129Xe nucleus.
Revue : Nucl. Phys. A 982 371-374 (2019)
DOI : 10.1016/j.nuclphysa.2018.09.065
Preprint : arXiv:1807.05557
Langue : Anglais
Fichier(s) à télécharger :
publi.pdf
