Evidence for flow in pPb collisions at 5 TeV from v2 mass splitting

Klaus Werner (1) , M. Bleicher , B. Guiot (1) , Iu. Karpenko , T. Pierog

1 SUBATECH - Laboratoire SUBATECH Nantes

We show that a fluid dynamical scenario describes quantitatively the observed mass splitting of the elliptical flow coefficients v2 for pions, kaons, and protons. This provides a strong argument in favor of the existence of a fluid dynamical expansion in pPb collisions at 5TeV.

Domaines: Physique des Hautes Energies - Phénoménologie [hep-ph]; Physique Nucléaire Théorique [nucl-th]

Klaus Werner, M. Bleicher, B. Guiot, Iu. Karpenko, T. Pierog. Evidence for flow in pPb collisions at 5 TeV from v2 mass splitting. Physical Review Letters, 2014, 112, pp.232301. ⟨10.1103/PhysRevLett.112.232301⟩. ⟨in2p3-00845379⟩