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The study of dibaryon systems with strangeness on chiral quark model
Pang, HR; Ping, JL; Wu, XH; Pang, HR , SE Univ, Dept Phys, Nanjing 210096, Peoples R China.
2005
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号20期号:1页码:69-77
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.
部门归属SE Univ, Dept Phys, Nanjing 210096, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Double-charge-exchange Pi-nn Resonance Nucleon-nucleon-interaction Heavy-ion Collisions Low Energies Yn Interactions Cluster Model Delocalization Potentials Signature
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226763600007
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13906
专题理论物理所SCI论文
通讯作者Pang, HR , SE Univ, Dept Phys, Nanjing 210096, Peoples R China.
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GB/T 7714
Pang, HR,Ping, JL,Wu, XH,et al. The study of dibaryon systems with strangeness on chiral quark model[J]. MODERN PHYSICS LETTERS A,2005,20(1):69-77.
APA Pang, HR,Ping, JL,Wu, XH,&Pang, HR , SE Univ, Dept Phys, Nanjing 210096, Peoples R China..(2005).The study of dibaryon systems with strangeness on chiral quark model.MODERN PHYSICS LETTERS A,20(1),69-77.
MLA Pang, HR,et al."The study of dibaryon systems with strangeness on chiral quark model".MODERN PHYSICS LETTERS A 20.1(2005):69-77.
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