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Possible dibaryons with strangeness s=-5
Li, QB; Shen, PN; Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
2000
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号62期号:2页码:-
摘要In the framework of the resonating group method, the binding energy of the six-quark system with strangeness s = -5 is systematically investigated under the SU(3) chiral constituent quark model. The single Xi*Omega channel calculation with spins S = 0 and 3 and the coupled Xi Omega and Xi*Omega channel calculation with spins S = 1 and 2 are considered, respectively. The results show the following observations. In the spin = 0 case, Xi*Omega may be a bound dibaryon with the binding energy being 80.0 similar to 92.4 MeV. In the S = 1 case, Xi Omega may also be a bound dibaryon. Its binding energy ranges from 26.2 to 32.9 MeV. In the S = 2 and S = 3 cases, no evidence of bound dibaryons is found. The scattering lengths in the S = 0 and S = 1 cases 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; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
关键词Su(3) Quark-model Hyperon-nucleon-interaction Double-charge-exchange Cluster Model Dihyperon Delocalization States Energy
学科领域Physics
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收录类别SCI
WOS记录号WOS:000088714000072
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被引频次:12[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/311006/12932
专题理论物理所1978-2010年知识产出
通讯作者Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
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Li, QB,Shen, PN,Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.. Possible dibaryons with strangeness s=-5[J]. PHYSICAL REVIEW C,2000,62(2):-.
APA Li, QB,Shen, PN,&Li, QB , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China..(2000).Possible dibaryons with strangeness s=-5.PHYSICAL REVIEW C,62(2),-.
MLA Li, QB,et al."Possible dibaryons with strangeness s=-5".PHYSICAL REVIEW C 62.2(2000):-.
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