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Theta(+) with double Y-ansatz confining potential
Zhao HM(赵洪明); Ceng ZQ(曾卓全); Shen PN(沈彭年); Zhao, HM; Zeng, ZQ; Shen, PN; Ding, YB; Li, XQ
2006
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号30期号:5页码:405-411
通讯作者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
文章类型Article
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.
关键词pentaquark flux-tube model Y-mode confining potential
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
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.ihep.ac.cn/handle/311005/237340
专题理论物理室
粒子天体物理中心
中国科学院高能物理研究所_文献信息部
作者单位中国科学院高能物理研究所
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Zhao HM,Ceng 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 赵洪明.,曾卓全.,沈彭年.,Zhao, HM.,Zeng, ZQ.,...&Li, XQ.(2006).Theta(+) with double Y-ansatz confining potential.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,30(5),405-411.
MLA 赵洪明,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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