摘要
By implementing an additional heavy quark-antiquark pair production trigger in a multiphase transport(AMPT)model,we study the effect on anisotropy flows of identified particles with a focus on charged particles and quarkonium(J/ΨandΥ).A systematic increase in the collision rate for active partons in the AMPT model with such an implementation has been observed.It leads to a slight increase of identified particles anisotropy flows as a function of transverse momentum(pT)and rapidity,and gives a better description of the experimental data of elliptic flow toward larger pT.Our approach provides an efficient way to study the heavy quark dynamics in the AMPT model at LHC energies.
基金
supported in part by the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB34030200)
the Guangdong Major Project of Basic and Applied Basic Research(No. 2020B0301030008)
the National Natural Science Foundation of China (Nos. 12025501, 11890710, 11890714, and12147114)