"Table 2" of "Principal-component analysis of two-particle azimuthal correlations in PbPb and pPb collisions at CMS"

Leading ($\alpha$ = 1) and subleading ($\alpha$ = 2) elliptic flow, $v^{(\alpha)}_2$, as a function of $p_T$ in 0-5% centrality PbPb collisions.在0-5%中心度铅铅（PbPb）碰撞中，领头阶（$alpha=1$）与次领头阶（$alpha=2$）椭圆流（elliptic flow）$v^{(alpha)}_2$随横动量$p_T$的变化关系。