Knowledge Management System of Institute of Theoretical Physics, CAS
| Effect of Delta potential on the pi(-)/pi(+) ratio in heavy-ion collisions at intermediate energies | |
| Guo, WM; Yong, GC; Zuo, W; Yong, GC (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. | |
| 2015 | |
| 发表期刊 | PHYSICAL REVIEW C
 |
| 卷号 | 92期号:5页码:54619 |
| 文章类型 | Article |
| 摘要 | Based on the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, effects of the Delta resonance potential on the free n/p and pi(-)/pi(+) ratios in the central collision of Au-197 + Au-197 at beam energies of 200 and 400 MeV/nucleon are studied. It is found that the effect of the Delta potential on the ratio of pre-equilibrium free n/p is invisible. The effect of Delta isovector potential on the kinetic-energy-integrating ratio of pi(-)/pi(+) may be observable only at lower incident beam energies and with stiffer symmetry energy. The strength of the Delta isoscalar potential affects the height of the pi(-)/pi(+) ratio around the Coulomb peak but does not affect the kinetic-energy-integrating ratio pi(-)/pi(+). In heavy-ion collisions at intermediate energies, relating to the question of nonconservation of energy on Delta or pi productions, one can replace the Delta potential by the nucleon isoscalar potential especially when a soft symmetry energy is employed. |
| 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] ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; 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] ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] |
| DOI | http://dx.doi.org/10.1103/PhysRevC.92.054619 |
| 关键词[WOS] | HIGH-DENSITY BEHAVIOR ; NEUTRON-RICH NUCLEI ; SYMMETRY ENERGY ; MATTER ; STARS ; STATE ; MASS |
| 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] ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; 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] ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; SRF for ROCS, SEM ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] ; National Key Basic Research Program of China [2013CB834400] |
| WOS类目 | Physics, Nuclear |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.itp.ac.cn/handle/311006/20780 |
| 专题 | 理论物理所SCI论文 |
| 通讯作者 | Yong, GC (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Guo, WM,Yong, GC,Zuo, W,et al. Effect of Delta potential on the pi(-)/pi(+) ratio in heavy-ion collisions at intermediate energies[J]. PHYSICAL REVIEW C,2015,92(5):54619. |
| APA | Guo, WM,Yong, GC,Zuo, W,&Yong, GC .(2015).Effect of Delta potential on the pi(-)/pi(+) ratio in heavy-ion collisions at intermediate energies.PHYSICAL REVIEW C,92(5),54619. |
| MLA | Guo, WM,et al."Effect of Delta potential on the pi(-)/pi(+) ratio in heavy-ion collisions at intermediate energies".PHYSICAL REVIEW C 92.5(2015):54619. |
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