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Theta(+) with double Y-ansatz confining potential
Zhao, HM; Zeng, ZQ; Shen, PN; Ding, YB; Li, XQ; Zhao, HM , CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
2006
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN0254-3052
卷号30期号:5页码:405-411
摘要The mass of Theta(+) in the qq-<(q)overbar>-qq configuration is calculated by using a potential composed by a Coulomb potential originated from the One Gluon Exchange (OGE) and a double Y-mode confining potential extracted from the flux tube model. It is shown that the mass of the negative parity state of Theta(+) is 1.935GeV, which is more than 300MeV higher than the reported experimental value of 1.540GeV. While the positive parity state of Theta(+) has a mass of 2.082GeV, which is consistent with the result from the Lattice Quantum Chromodynamics (LQCD) calculation. With these masses, the reported Theta(+)(1540) cannot be confirmed as a pentaquark state.
部门归属CAS, Inst High Energy Phys, Beijing 100049, Peoples R China; Chinese Acad Sci, Grad Univ, Coll Phys Sci, Beijing 100049, Peoples R China; Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
关键词Quark-model Positive-strangeness Pentaquark States Baryons Qcd
学科领域Physics
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收录类别SCI
WOS记录号WOS:000237326500007
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5997
专题理论物理所1978-2010年知识产出
通讯作者Zhao, HM , CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
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GB/T 7714
Zhao, HM,Zeng, ZQ,Shen, PN,et al. Theta(+) with double Y-ansatz confining potential[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2006,30(5):405-411.
APA Zhao, HM,Zeng, ZQ,Shen, PN,Ding, YB,Li, XQ,&Zhao, HM , CAS, Inst High Energy Phys, Beijing 100049, Peoples R China.(2006).Theta(+) with double Y-ansatz confining potential.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,30(5),405-411.
MLA Zhao, HM,et al."Theta(+) with double Y-ansatz confining potential".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 30.5(2006):405-411.
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