Particle productions and anisotropic flows from the AMPT model for Cu plus Au collisions at √sNN=200 GeV

被引：0

作者：

He, Yuncun ^{[1
]}

Lin, Zi-Wei ^{[2
]}

机构：

[1] Hubei Univ, Fac Phys & Elect Technol, Wuhan 430062, Peoples R China

[2] East Carolina Univ, Dept Phys, Greenville, NC 27858 USA

来源：

EUROPEAN PHYSICAL JOURNAL A | 2020年 / 56卷 / 04期

关键词：

DEPENDENCE; ESCAPE; PPB;

D O I：

10.1140/epja/s10050-020-00128-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We use the string melting version of a multiphase transport (AMPT) model to study Cu+Au collisions at v sNN = 200 GeV. The rapidity distributions of identified hadrons show asymmetric dependences on rapidity. In addition, elliptic and triangular flows at mid-rapidity from the AMPT model for pions, kaons, and protons agree reasonably with the experimental data up to pT 1 GeV/c. We then investigate the forward/backward asymmetry of v2 and v3. We find that these anisotropic flows are larger on the Au-going side than the Cu-going side, while the asymmetry tends to go away in very peripheral collisions. We also make predictions on transverse momentum spectra of identified hadrons and longitudinal decorrelations of charged particles, where the average decorrelation of elliptic flow in asymmetric Cu+Au collisions is found to be stronger than that in Au+Au collisions.

引用

页数：8

共 50 条

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