Nucleon effective mass splitting and density-dependent symmetry energy effects on elliptic flow in heavy ion collisions at E-lab=0 .09 similar to 1.5 GeV/nucleon
文献类型：期刊论文
| 作者 | Tong, Luyao1,2; Li, Pengcheng2,3; Li, Fupeng1,2; Wang, Yongjia2; Li, Qingfeng2,4; Liu, Fanxin1 |
| 刊名 | CHINESE PHYSICS C
 |
| 出版日期 | 2020-07-01 |
| 卷号 | 44期号:7页码:8 |
| 关键词 | nuclear symmetry energy heavy ion collision elliptic flow |
| ISSN号 | 1674-1137 |
| DOI | 10.1088/1674-1137/44/7/074103 |
| 通讯作者 | Wang, Yongjia(wangyongjia@zjhu.edu.cn) |
| 英文摘要 | By incorporating an isospin-dependent form of the momentum-dependent potential in the ultra-relativistic quantum molecular dynamics (UrQMD) model, we systematically investigate effects of the neutron-proton effective mass splitting m(n-p)* = m(n)*-m(p)*/m and the density-dependent nuclear symmetry energy E-sym (rho) on the elliptic flow v(2) in Au-197 + Au-197 collisions at beam energies from 0.09 to 1.5 GeV/nucleon. It is found that at higher beam energies (>= 0.25 GeV/nucleon) with the approximately 75 MeV difference in slopes of the two different E-sym (rho), and the variation of m(n-p)* ranging from -0.03 to 0.03 at saturation density with isospin asymmetry delta = (rho(n)-rho(p))/rho = 0.2, the E-sym (rho) has a stronger influence on the difference in v(2) between neutrons and protons, i.e., v2(n) - v(2)(p), than m(n-p)* has. Meanwhile, at lower beam energies 0.25 GeV/nucleon), v(2)(n) - v(2)(n) is sensitive to both the E-sym (rho) and the m(n-p)*. Moreover, the influence of m(n-p)* on v(2)(n) -v(2)(p) is more evident with the parameters of this study when using the soft, rather than stiff, symmetry energy. |
| WOS关键词 | QUANTUM MOLECULAR-DYNAMICS ; NEUTRON ; PROTON ; CONSTRAINTS ; EQUATION ; STATE |
| 资助项目 | National Natural Science Foundation of China[11875125] ; National Natural Science Foundation of China[11947410] ; National Natural Science Foundation of China[11847315] ; National Natural Science Foundation of China[11505057] ; Zhejiang Provincial Natural Science Foundation of China[LY18A050002] ; Zhejiang Provincial Natural Science Foundation of China[LY19A050001] ; Ten Thousand Talent Program of Zhejiang province[2018R52017] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000548367200001 |
| 出版者 | IOP PUBLISHING LTD |
| 资助机构 | National Natural Science Foundation of China ; Zhejiang Provincial Natural Science Foundation of China ; Ten Thousand Talent Program of Zhejiang province |
| 源URL | [http://119.78.100.186/handle/113462/139844]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Wang, Yongjia |
| 作者单位 | 1.Zhejiang Univ Technol, Dept Phys, Hangzhou 310023, Peoples R China 2.Huzhou Univ, Sch Sci, Huzhou 313000, Peoples R China 3.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China 4.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Tong, Luyao,Li, Pengcheng,Li, Fupeng,et al. Nucleon effective mass splitting and density-dependent symmetry energy effects on elliptic flow in heavy ion collisions at E-lab=0 .09 similar to 1.5 GeV/nucleon[J]. CHINESE PHYSICS C,2020,44(7):8. |
| APA | Tong, Luyao,Li, Pengcheng,Li, Fupeng,Wang, Yongjia,Li, Qingfeng,&Liu, Fanxin.(2020).Nucleon effective mass splitting and density-dependent symmetry energy effects on elliptic flow in heavy ion collisions at E-lab=0 .09 similar to 1.5 GeV/nucleon.CHINESE PHYSICS C,44(7),8. |
| MLA | Tong, Luyao,et al."Nucleon effective mass splitting and density-dependent symmetry energy effects on elliptic flow in heavy ion collisions at E-lab=0 .09 similar to 1.5 GeV/nucleon".CHINESE PHYSICS C 44.7(2020):8. |
入库方式： OAI收割
来源：近代物理研究所
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