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Possible Delta Delta dibaryons in the quark cluster model
Li, QB; Shen, PN; Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 9184, Beijing 100039, Peoples R China.
2000
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN0954-3899
卷号26期号:8页码:1207-1215
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.
部门归属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
关键词Nucleon-nucleon Interaction Current-algebra States Dihyperon Baryons Chromodynamics Predictions Resonances Exchange Deuteron
学科领域Physics
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收录类别SCI
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.itp.ac.cn/handle/311006/12927
专题理论物理所SCI论文
通讯作者Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 9184, Beijing 100039, Peoples R China.
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Li, QB,Shen, PN,Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 9184, Beijing 100039, Peoples R China.. Possible Delta Delta dibaryons in the quark cluster model[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2000,26(8):1207-1215.
APA Li, QB,Shen, PN,&Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 9184, Beijing 100039, Peoples R China..(2000).Possible Delta Delta dibaryons in the quark cluster model.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,26(8),1207-1215.
MLA Li, QB,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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