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Guo, WM; Yong, GC; Zuo, W; Guo, WM (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Effects of nuclear symmetry energy and in-medium NN cross section in heavy-ion collisions at beam energies below the pion production threshold
发表期刊PHYSICAL REVIEW C
语种英语
关键词Neutron-stars Scattering Physics
摘要Based on the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU04) transport model, we explored effects of in-medium NN elastic scattering cross section and nuclear symmetry energy on the subthreshold pion production in the Sn-132 + Sn-124 reaction. We find that, with the decrease of the incident beam energy, the effects of the in-medium NN elastic scattering cross section on the pi(-)/pi(+) ratio are larger than that of the symmetry energy, although the latter may be also larger. While keeping the effect of symmetry energy, the double ratio of pi(-)/pi(+) from neutron-rich and neutron-poor reaction systems (with the same mass number of system) Sn-132 + Sn-124 and Pm-128 + Pm-128 almost fully cancels out the effects of the in-medium NN elastic scattering cross section.
2014
ISSN0556-2813
卷号90期号:4页码:44605
学科领域Physics
DOI10.1103/PhysRevC.90.044605
收录类别SCI
项目资助者National Natural Science Foundation of China [11375239, 11175219, 11435014]; 973 Program of China [2007CB815004]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11375239, 11175219, 11435014]; 973 Program of China [2007CB815004]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11375239, 11175219, 11435014]; 973 Program of China [2007CB815004]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11375239, 11175219, 11435014]; 973 Program of China [2007CB815004]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15623
专题理论物理所科研产出_SCI论文
通讯作者Guo, WM (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
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GB/T 7714
Guo, WM,Yong, GC,Zuo, W,et al. Effects of nuclear symmetry energy and in-medium NN cross section in heavy-ion collisions at beam energies below the pion production threshold[J]. PHYSICAL REVIEW C,2014,90(4):44605.
APA Guo, WM,Yong, GC,Zuo, W,&Guo, WM .(2014).Effects of nuclear symmetry energy and in-medium NN cross section in heavy-ion collisions at beam energies below the pion production threshold.PHYSICAL REVIEW C,90(4),44605.
MLA Guo, WM,et al."Effects of nuclear symmetry energy and in-medium NN cross section in heavy-ion collisions at beam energies below the pion production threshold".PHYSICAL REVIEW C 90.4(2014):44605.
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