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ZHANG Zong-ye, HUANG Fei, YU You-wen, ZOU Bing-song. A Study of Pentaquark Θ State in Chiral Quark Model[J]. Nuclear Physics Review, 2004, 21(2): 77-80. DOI: 10.11804/NuclPhysRev.21.02.077
Citation: ZHANG Zong-ye, HUANG Fei, YU You-wen, ZOU Bing-song. A Study of Pentaquark Θ State in Chiral Quark Model[J]. Nuclear Physics Review, 2004, 21(2): 77-80. DOI: 10.11804/NuclPhysRev.21.02.077
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A Study of Pentaquark Θ State in Chiral Quark Model

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    • Abstract
  • The structure of the pentaquark state uudd is studied in the chiral quark model. Four configurations of Jπ=(1/2)- and four of Jπ=(1/2)+ are considered. The results show that the isospin T=0 state is always the lowest one for both Jπ=(1/2)- and Jπ=(1/2)+ cases in various models. But the theoretical
    value of the lowest one is still about 250 - 300 MeV higher than the experimental mass of Θ.
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