Collective flow in single-hit QCD kinetic theory

• DOI: 10.1007/jhep11(2021)216
• Publication Date: 2021-11-30T17:01:50Z
• Authors: Aleksi Kurkela; Aleksas Mazeliauskas; Robin Törnkvist
• Keywords: Kinetic Theory; Harmonic; Elliptic flow

Motivated by recent interest in collectivity small systems, we calculate the harmonic flow response to initial geometry deformations within weakly coupled QCD kinetic theory using first correction free-streaming background. We derive a parametric scaling formula that relates systems of different sizes and generic gluon distributions. comment on similarities differences between full effective toy models used previously. Finally centrality dependence integrated elliptic $v_2$ oxygen-oxygen, proton-lead proton-proton collision systems.