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Effects of pion potential and nuclear symmetry energy on the pi(-)/pi(+) ratio in heavy-ion collisions at beam energies around the pion production threshold
Guo, WM; Yong, GC; Liu, H; Zuo, W; Guo, WM (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
2015
发表期刊PHYSICAL REVIEW C
卷号91期号:5页码:54616
文章类型Article
摘要Within the framework of the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, we studied the effects of the pion potential and the symmetry energy on the pion production in central Au-197 + Au-197 collisions around the pion production threshold. It is found that the pion potential has opposite effects on the value of the pi(-)/pi(+) ratio at low and high pion energies. The effect of the pion potential on the total pi(-)/pi(+) ratio becomes larger in heavy-ion collisions at beam energies below the pion production threshold. At beam energies below the pion production threshold, with the pion potential, the effect of the symmetry energy on the pi(-)/pi(+) ratio becomes smaller compared with that above the pion production threshold.
学科领域Physics
资助者National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
DOIhttp://dx.doi.org/10.1103/PhysRevC.91.054616
关键词[WOS]NEUTRON-STARS ; ISOSPIN ; PHYSICS ; ATOMS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; National Natural Science Foundation of China [11375239, 11435014, 11175219] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; 973 Program of China [2013CB834405] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
WOS类目Physics, Nuclear
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20994
专题理论物理所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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Guo, WM,Yong, GC,Liu, H,et al. Effects of pion potential and nuclear symmetry energy on the pi(-)/pi(+) ratio in heavy-ion collisions at beam energies around the pion production threshold[J]. PHYSICAL REVIEW C,2015,91(5):54616.
APA Guo, WM,Yong, GC,Liu, H,Zuo, W,&Guo, WM .(2015).Effects of pion potential and nuclear symmetry energy on the pi(-)/pi(+) ratio in heavy-ion collisions at beam energies around the pion production threshold.PHYSICAL REVIEW C,91(5),54616.
MLA Guo, WM,et al."Effects of pion potential and nuclear symmetry energy on the pi(-)/pi(+) ratio in heavy-ion collisions at beam energies around the pion production threshold".PHYSICAL REVIEW C 91.5(2015):54616.
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