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题名: The study of dibaryon systems with strangeness on chiral quark model
作者: Pang, HR ;  Ping, JL ;  Wu, XH
刊名: MODERN PHYSICS LETTERS A
出版日期: 2005
卷号: 20, 期号:1, 页码:69-77
关键词: DOUBLE-CHARGE-EXCHANGE ;  PI-NN RESONANCE ;  NUCLEON-NUCLEON-INTERACTION ;  HEAVY-ION COLLISIONS ;  LOW ENERGIES ;  YN INTERACTIONS ;  CLUSTER MODEL ;  DELOCALIZATION ;  POTENTIALS ;  SIGNATURE
学科分类: Physics
通讯作者: Pang, HR , SE Univ, Dept Phys, Nanjing 210096, Peoples R China.
部门归属: SE Univ, Dept Phys, Nanjing 210096, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We expand Salamanca SU(2) chiral quark model to SU(3) one and calculate promising dibaryon candidates with strangeness S = -3, -6 in the framework of resonating group method. We find that, besides OmegaOmega, the mass of NOmega state is about 23-38 MeV lower than its threshold, it might appear as a bound state or a narrow resonance. The effect of K and eta exchanges on the masses of strangeness and nonstrangeness systems has been studied and found to be negligible for nonstrangeness systems. However this effect brings some changes (about tens of MeV) on the masses of strangeness systems. We have also studied the sensitivities of binding energy and root mean square radius to the mass of s-quark.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000226763600007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13906
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,Wu, XH. The study of dibaryon systems with strangeness on chiral quark model[J]. MODERN PHYSICS LETTERS A,2005,20(1):69-77.
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