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A study of pentaquark Theta state in the chiral SU(3) quark model
Huang F(黄飞); Zhang ZY(张宗烨); Yu YW(余友文); Zou BS(邹冰松); Huang, F; Zhang, ZY; Yu, YW; Zou, BS
Source PublicationPHYSICS LETTERS B
Corresponding AuthorHuang, F (reprint author), Inst High Energy Phys, Beijing 100039, Peoples R China.
AbstractThe structure of the pentaquark state uudd (s) over bar, is studied in the chiral SU(3) quark model as well as in the extended chiral SU(3) quark model, in which the vector meson exchanges are included. The lowest four configurations of J(pi) = 1 and four of J(pi) = 1/2(+) for the 5 quark cluster are considered. The results show that the isospin T = 0 state is always the lowest one for both J(pi) = 1/2(-) and J(pi) = 1/2(+) cases in various models. But the theoretical value of the lowest one is still about 200-300 MeV higher than the experimental mass of Theta. It seems that a dynamical calculation should be done for the further study (C) 2004 Elsevier B.V. All rights reserved.
Keywordpentaquark state quark model chiral symmetry
Subject AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000220676700010
ADS Bibcode2004PhLB..586...69H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2004PhLB..586...69H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2004PhLB..586...69H/citations
Citation statistics
Cited Times:73 [INSPIRE]
Cited Times:58 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Huang F,Zhang ZY,Yu YW,et al. A study of pentaquark Theta state in the chiral SU(3) quark model[J]. PHYSICS LETTERS B,2004,586(1-2):#REF!.
APA 黄飞.,张宗烨.,余友文.,邹冰松.,Huang, F.,...&Zou, BS.(2004).A study of pentaquark Theta state in the chiral SU(3) quark model.PHYSICS LETTERS B,586(1-2),#REF!.
MLA 黄飞,et al."A study of pentaquark Theta state in the chiral SU(3) quark model".PHYSICS LETTERS B 586.1-2(2004):#REF!.
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