Abstract
The rapidity dependence of elliptic, v2, and triangular, v3, flow coefficients in proton–nucleus (p+A) collisions is predicted in hydrodynamics and in a multi-phase transport model (AMPT). We find that vn (n=2,3) on a nucleus side is significantly larger than on a proton side and the ratio between the two, vnPb/vnp, weakly depends on the transverse momentum of produced particles.
Highlights
Significant second and third harmonics have been observed in the long-range azimuthal correlations of particles emitted in ultra-relativistic p+Pb collisions at the LHC [1,2,3] and d+Au collisions at RHIC [4]
Preprint submitted to Elsevier present a calculation of the relative strength of the elliptic and the triangular flow in the Pb-going and p-going sides as a function of the transverse momentum in the 3+1 dimensional (3+1D) viscous hydrodynamic model and in the a multi-phase transport model (AMPT) model
In both cases we observe a significant increase of the elliptic and the triangular flow coefficients for rapidities corresponding to the Pb-nucleus direction
Summary
Significant second and third harmonics have been observed in the long-range azimuthal correlations of particles emitted in ultra-relativistic p+Pb collisions at the LHC [1,2,3] and d+Au collisions at RHIC [4]. Preprint submitted to Elsevier present a calculation of the relative strength of the elliptic and the triangular flow in the Pb-going and p-going sides as a function of the transverse momentum in the 3+1 dimensional (3+1D) viscous hydrodynamic model and in the AMPT model. In both cases we observe a significant increase of the elliptic and the triangular flow coefficients for rapidities corresponding to the Pb-nucleus direction.
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