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Strangeness production in pA and AA collisions at 158 A GeV
Wang, XR; Sa, BH; Zhou, DC; Liu, H; Cai, X; Wang, XR , Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
2000
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS
ISSN1006-9283
卷号43期号:6页码:623-628
摘要LUCIAE, a hadronic and string cascade model and its corresponding event generator are used to analyse strangeness production singly and multiply in p-Pb and Pb-Pb collisions at 158 A GeV. Spectra of multiplicity and transverse mass for single (Lambda, <(Lambda)over bar>) and multiple (Xi(-), <(Xi(-))over bar>, Omega(-), <(Omega(-))over bar>) strangeness are given. In LUCIAE model it suggests a physical mechanism, i.e. the dependence of the strange quark suppression factor on incident energy, projectile mass and centrality of colliding system might result in increase of yield of strange particles with increasing the above three parameters. Calculations from the model reconstruct well the WA97 experimental data: increase of yield of strange particles with increasing centrality and increase of strangeness enhancement with increasing number of strange quarks, in relativistic nucleus-nucleus collisions.
部门归属Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; China Inst Atom Energy, Beijing 102413, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; CERN, Div PPE, CH-1211 Geneva 23, Switzerland
关键词Sulfur-nucleus Collisions Antibaryon Production Particle-production Event Generator 200 Gev/c
学科领域Physics
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收录类别SCI
WOS记录号WOS:000088248800009
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12969
专题理论物理所1978-2010年知识产出
通讯作者Wang, XR , Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
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Wang, XR,Sa, BH,Zhou, DC,et al. Strangeness production in pA and AA collisions at 158 A GeV[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS,2000,43(6):623-628.
APA Wang, XR,Sa, BH,Zhou, DC,Liu, H,Cai, X,&Wang, XR , Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China..(2000).Strangeness production in pA and AA collisions at 158 A GeV.SCIENCE IN CHINA SERIES A-MATHEMATICS,43(6),623-628.
MLA Wang, XR,et al."Strangeness production in pA and AA collisions at 158 A GeV".SCIENCE IN CHINA SERIES A-MATHEMATICS 43.6(2000):623-628.
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