Anisotropic Flow of Identified Particles in Au plus Au Collisions at √sNN=3-3.9 GeV at RHIC

被引：1
|
作者：
Liu, Zuowen [1 ]
机构：
[1] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China
来源：
30TH INTERNATIONAL CONFERENCE ON ULTRA-RELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS, QUARK MATTER 2023 | 2024年 / 296卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1051/epjconf/202429605007
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
In these proceedings, we present transverse momentum dependence of the mid-rapidity slope of directed flow (dv(1)/dy| (y=0)) for Pi(+) and K-S(0) in Au + Au collisions at root s(NN) = 3.0, 3.2, 3.5, and 3.9 GeV. Both Pi(+) and K-S(0) show negative v(1) slope at low p(T) ( p(T) < 0.6 GeV/c). Collision energy dependence of v(1) slope and pT -integrated v(2) for p +/-, K0 S, and. are also presented. A comparison to JAM model calculations indicates that spectator shadowing can lead to anti-flow at low pT. In addition, a breaking of the Number of Constitute Quark (NCQ) scaling of elliptic flow (v(2)) is observed at root s(NN)= 3.2 GeV, which implies the dominance of hadronic degrees of freedom occurs in collisions at root s(NN) = 3.2 GeV and below.
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页数：4
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