"Figure 5a - pions" of "Mass, quark-number, and sqrt s(NN) dependence of the second and fourth flow harmonics in ultra-relativistic nucleus-nucleus collisions"

Mass, quark-number, and $\sqrt{s_{NN}}$ dependence of the second and fourth flow harmonics in ultra-relativistic nucleus-nucleus collisions. Results from the STAR experiment at Relativistic Heavy Ion Collider.

极端相对论性核-核碰撞中二阶与四阶流谐波（flow harmonics）对质量、夸克数以及$sqrt{s_{NN}}$的依赖关系。相关结果取自相对论重离子对撞机（Relativistic Heavy Ion Collider）上的STAR实验（STAR experiment）。