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Feng, ZQ; Lenske, H; Feng, ZQ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Particle production in antiproton-induced nuclear reactions
发表期刊PHYSICAL REVIEW C
语种英语
关键词Heavy-ion Collisions Strangeness Production Stopped Antiprotons 4 Gev/c Annihilation Energy Dynamics Emission Proton
摘要The quantum molecular dynamics model has been improved to investigate the reaction dynamics induced by antiprotons. The reaction channels of elastic scattering, annihilation, charge exchange, and inelastic collisions have been included in the model. Dynamics on particle production, in particular pions, kaons, antikaons, and hyperons, is investigated in collisions of (p) over bar on C-12, Ne-20, Ca-40, Sn-112, Ta-181, Au-197, and U-238 from a low to high incident momentum. The rapidity and momentum distributions of pi(+) and protons from the LEAR measurements can be well reproduced. The impacts of system size and incident momentum on particle emissions are investigated from the inclusive spectra, transverse momentum, and rapidity distributions. It is found that the annihilations of (p) over bar on nucleons are of importance on the particle production. Hyperons are mainly produced via meson induced reactions on nucleons and strangeness exchange collisions when the incident momentum is below the threshold value of annihilation reaction. A higher nuclear temperature is obtained from the kaon emission, but it has a lower value for hyperon production.
2014
ISSN0556-2813
卷号89期号:4页码:44617
学科领域Physics
DOI10.1103/PhysRevC.89.044617
收录类别SCI
项目资助者Major State Basic Research Development Program in China [2014CB845405]; National Natural Science Foundation of China Projects [11175218, U1332207]; Youth Innovation Promotion Association of Chinese Academy of Sciences; K. C. Wong Education Foundation (KCWEF); DAAD during his research stay in Justus-Liebig-Universitat Giessen, Germany ; Major State Basic Research Development Program in China [2014CB845405]; National Natural Science Foundation of China Projects [11175218, U1332207]; Youth Innovation Promotion Association of Chinese Academy of Sciences; K. C. Wong Education Foundation (KCWEF); DAAD during his research stay in Justus-Liebig-Universitat Giessen, Germany ; Major State Basic Research Development Program in China [2014CB845405]; National Natural Science Foundation of China Projects [11175218, U1332207]; Youth Innovation Promotion Association of Chinese Academy of Sciences; K. C. Wong Education Foundation (KCWEF); DAAD during his research stay in Justus-Liebig-Universitat Giessen, Germany ; Major State Basic Research Development Program in China [2014CB845405]; National Natural Science Foundation of China Projects [11175218, U1332207]; Youth Innovation Promotion Association of Chinese Academy of Sciences; K. C. Wong Education Foundation (KCWEF); DAAD during his research stay in Justus-Liebig-Universitat Giessen, Germany
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被引频次:9[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/311006/15778
专题理论物理所科研产出_SCI论文
通讯作者Feng, ZQ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
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Feng, ZQ,Lenske, H,Feng, ZQ . Particle production in antiproton-induced nuclear reactions[J]. PHYSICAL REVIEW C,2014,89(4):44617.
APA Feng, ZQ,Lenske, H,&Feng, ZQ .(2014).Particle production in antiproton-induced nuclear reactions.PHYSICAL REVIEW C,89(4),44617.
MLA Feng, ZQ,et al."Particle production in antiproton-induced nuclear reactions".PHYSICAL REVIEW C 89.4(2014):44617.
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