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Possible Delta Delta dibaryons in the quark cluster model
Li QB(李强兵); Shen PN(沈彭年); Li, QB; Shen, PN
2000
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷号26期号:8页码:1207-1215
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China ; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
摘要Within the framework of the resonating group method, the binding energy of one-channel Delta Delta((3.0))(d*) and Delta Delta((0.3)) are studied in the chiral SU (3) quark cluster model. it is shown that the binding energies of the systems are a few tens of MeV. The behaviour of the chiral field is also investigated by comparing the results with those in the SU (2) and the extended SU (2) chiral quark models. It is found that the symmetry property of the Delta Delta system makes the contribution of the relative kinetic energy operator between two clusters attractive. This is very beneficial for Forming the bound dibaryon. Meanwhile the chiral-quark field coupling also plays a very important role in binding. The S-wave phase shifts and the corresponding scattering lengths of the systems are also given.
文章类型Article
学科领域Physics
DOI10.1088/0954-3899/26/8/308
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000089043800008
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239181
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Li QB,Shen PN,Li, QB,et al. Possible Delta Delta dibaryons in the quark cluster model[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2000,26(8):1207-1215.
APA 李强兵,沈彭年,Li, QB,&Shen, PN.(2000).Possible Delta Delta dibaryons in the quark cluster model.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,26(8),1207-1215.
MLA 李强兵,et al."Possible Delta Delta dibaryons in the quark cluster model".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 26.8(2000):1207-1215.
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