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
ISSN1674-7348
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
DOI10.1007/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.
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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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