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题名: High strangeness dibaryons in the extended quark delocalization, color screening model
作者: Pang, HR ;  Ping, JL ;  Wang, F ;  Goldman, T ;  Zhao, E
刊名: PHYSICAL REVIEW C
出版日期: 2004
卷号: 69, 期号:6, 页码:-
关键词: DOUBLE-CHARGE-EXCHANGE ;  NUCLEON-NUCLEON-INTERACTION ;  INTERMEDIATE RANGE ATTRACTION ;  PI-NN RESONANCE ;  LOW ENERGIES ;  HYPERFINE INTERACTIONS ;  BARYON SPECTRUM ;  CLUSTER MODEL ;  SCATTERING ;  SYSTEMS
学科分类: Physics
通讯作者: Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
部门归属: Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China; Nanjing Univ, Ctr Theoret Phys, Nanjing 210093, Peoples R China; Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
英文摘要: Dibaryon candidates with strangeness S=-2,-3,-4,-5,-6 are studied in terms of the extended quark delocalization and color screening model. The results show that there are only a few promising low lying dibaryon states: The H and di- Omega may be marginally strong interaction stable but model uncertainties are too large to allow any definitive statement. The SIJ=-3,1/2,2 NOmega state is 62 MeV lower than the NOmega threshold and 24 MeV lower than the LambdaXipi threshold. It might appear as a narrow dibaryon resonance and be detectable in the RHIC detector through the reconstruction of the vertex mass of the LambdaXi two-body decay. The effects of explicit K and eta meson exchange have been studied and found to be negligible in this model. The mechanisms of effective intermediate range attraction, sigma meson exchange, and kinetic energy reduction due to quark delocalization are discussed.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000222391000059
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14069
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Pang, HR,Ping, JL,Wang, F,et al. High strangeness dibaryons in the extended quark delocalization, color screening model[J]. PHYSICAL REVIEW C,2004,69(6):-.
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