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| Influence of the time-step on the production of free nucleons and pions from heavy-ion collisions around 1 GeV/nucleon | |
| Zou, LY; Li, M; Guo, CC; Wang, YJ; Li, QF; Liu, L; Li, QF (reprint author), Huzhou Univ, Sch Sci, Huzhou 313000, Peoples R China.; Li, QF (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. | |
| 2016 | |
| 发表期刊 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
 |
| ISSN | 1674-7348 |
| 卷号 | 59期号:12页码:- |
| 文章类型 | 期刊论文 |
| 摘要 | 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 heavy-ion collisions around 1 GeV/nucleon. It is found that these observables are affected to some extent by the choice of the time-step, and the impact of the time-step on the pion-related observables is more visible than that on the nucleon-related ones. However, its effect on the pi(-)/pi(+) yield ratio and elliptic flow difference between neutrons and protons, which have been taken as sensitive observables for probing the density-dependent nuclear symmetry energy at high densities, is fairly weak. |
| 关键词 | Urqmd Model Symmetry Energy At Supranormal Densities Mean-field Potential Updates |
| DOI | 10.1007/s11433-016-0358-y |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000387031200005 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.sinap.ac.cn/handle/331007/26542 |
| 专题 | 中科院上海应用物理研究所2011-2018年 |
| 通讯作者 | Wang, YJ; Li, QF (reprint author), Huzhou Univ, Sch Sci, Huzhou 313000, Peoples R China.; Li, QF (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Zou, LY,Li, M,Guo, CC,et al. Influence of the time-step on the production of free nucleons and pions from heavy-ion collisions around 1 GeV/nucleon[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016,59(12):-. |
| APA | Zou, LY.,Li, M.,Guo, CC.,Wang, YJ.,Li, QF.,...&Li, QF .(2016).Influence of the time-step on the production of free nucleons and pions from heavy-ion collisions around 1 GeV/nucleon.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,59(12),-. |
| MLA | Zou, LY,et al."Influence of the time-step on the production of free nucleons and pions from heavy-ion collisions around 1 GeV/nucleon".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 59.12(2016):-. |
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