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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
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordHeavy-ion Collisions Strangeness Production Stopped Antiprotons 4 Gev/c Annihilation Energy Dynamics Emission Proton
AbstractThe 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
Volume89Issue:4Pages:44617
Subject AreaPhysics
DOI10.1103/PhysRevC.89.044617
Indexed BySCI
Funding OrganizationMajor 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
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15778
Collection理论物理所科研产出_SCI论文
Corresponding AuthorFeng, ZQ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
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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