Influence of the time-step on the production of free nucleons and pions from heavy-ion collisions a

• 作 者: LiYan Zou Miao Li ChenChen Guo
• 机 构: SchoolofScience,CollegeofPhysicsScienceandTechnology,ShanghaiInstituteofAppliedPhysics,InstituteofMo
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2016年12期
• 关键词: UrQMD 模型 在 supranormal 密度的对称精力 吝啬地的潜在的更改 UrQMD model symmetry energy at suprano
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant Nos. 11505057, 11547312, 11375062, and 11605270）, the Department of Education of Zhejiang Province （Grant No. Y201533

By considering different values of the time-step for the potential updates in the ultra-relativistic quantum molecular dynamics(UrQMD) model, we examine its influence on observables, such as the yield and collective flow of nucleons and pions from heavyio