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Ω(ε)States in a Chiral Quark Model
WANG Wen-Ling; HUANG Fei; Zhang ZY(张宗烨); YU You-Wen; LIU Feng; Yu YW(余友文)
Source Publication理论物理通讯(英文版)
AbstractThe structures of Ω(ε) states with spin-parity Jp = 5/2-, 3/2-, and 1/2- are dynamically studied in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by solving a resonating group method (RGM) equation. The model parameters are taken from our previous work, which gave a satisfactory description of the energies of the baryon ground states, the binding energy of the deuteron, the nucleon-nucleon (NN) scattering phase shifts, and the hyperon-nucleon (YN) cross sections. The calculated results show that theΩ(ε) state has an attractive interaction, and in the extended chiral SU(3) quark model such attraction can make for aΩ(ε) quasi-bound state with spin-parity Jp = 3/2- or 5/2- and tie binding energy of about several MeV.
KeywordΩ(ε) quasi-bound states quark model chiral symmetry
Indexed ByCNKI
Document Type期刊论文
Recommended Citation
GB/T 7714
WANG Wen-Ling,HUANG Fei,Zhang ZY,et al. Ω(ε)States in a Chiral Quark Model[J]. 理论物理通讯(英文版),2007(9):695-698.
APA WANG Wen-Ling,HUANG Fei,张宗烨,YU You-Wen,LIU Feng,&余友文.(2007).Ω(ε)States in a Chiral Quark Model.理论物理通讯(英文版)(9),695-698.
MLA WANG Wen-Ling,et al."Ω(ε)States in a Chiral Quark Model".理论物理通讯(英文版) .9(2007):695-698.
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