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Phenomenological study on correlation between flow harmonics and mean transverse momentum in nuclear collisions
by Chunjian Zhang, Jiangyong Jia, Shengli Huang
Submission summary
As Contributors:  Chunjian Zhang 
Arxiv Link:  https://arxiv.org/abs/2108.11452v3 (pdf) 
Date submitted:  20211014 15:17 
Submitted by:  Zhang, Chunjian 
Submitted to:  SciPost Physics Proceedings 
Proceedings issue:  50th International Symposium on Multiparticle Dynamics (ISMD2021) 
Academic field:  Physics 
Specialties: 

Approach:  Phenomenological 
Abstract
To assess the properties of the quarkgluon plasma formed in nuclear collisions, the Pearson correlation coefficient between flow harmonics and mean transverse momentum, $\rho\left(v_{n}^{2},\left[p_{\mathrm{T}}\right]\right)$, reflecting the overlapped geometry of colliding atomic nuclei, is measured. $\rho\left(v_{2}^{2},\left[p_{\mathrm{T}}\right]\right)$ was found to be particularly sensitive to the quadrupole deformation of the nuclei. We study the influence of the nuclear quadrupole deformation on $\rho\left(v_{n}^{2},\left[p_{\mathrm{T}}\right]\right)$ in $\rm{Au+Au}$ and $\rm{U+U}$ collisions at RHIC energy using $\rm{AMPT}$ transport model, and show that the $\rho\left(v_{2}^{2},\left[p_{\mathrm{T}}\right]\right)$ is reduced by the prolate deformation $\beta_2$ and turns to change sign in ultracentral collisions (UCC).