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题名: Theta(+) with double Y-ansatz confining potential
作者: Zhao, HM ;  Zeng, ZQ ;  Shen, PN ;  Ding, YB ;  Li, XQ
刊名: HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期: 2006
卷号: 30, 期号:5, 页码:405-411
关键词: QUARK-MODEL ;  POSITIVE-STRANGENESS ;  PENTAQUARK STATES ;  BARYONS ;  QCD
学科分类: Physics
通讯作者: Zhao, HM , CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000237326500007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5997
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
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.
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