期刊
NUCLEAR PHYSICS A
卷 982, 期 -, 页码 407-410出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysa.2018.09.015
关键词
heavy-ion collisions; Beam Energy Scan (BES); hybrid model; dynamical initialization; baryon evolution
资金
- DOE [DE-SC0004286]
- NSF [ACI-1550223]
We develop a (3+1)-dimensional hybrid evolution model for heavy-ion collisions with dynamical sources for the energy momentum tensor and baryon current. During an initial pre-equilibrium stage based on UrQMD, the four-momenta and baryon numbers carried by secondary particles created within UrQMD are fed continuously, after a short thermalization time, into a (3+1)-dimensional viscous hydrodynamic evolution module including baryon transport. The sensitivity of the initial conditions to model parameters and the effect of baryon diffusion on the hydrodynamic evolution are studied.
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