摘要
The structure of H dihyperon(DH)is investigated by employing the SU(3)chiral quark model.As the structure of DH,two different conHguations,six-quark cluster configuration and two-cluster configuration,are considered,respectively.The result shows that except the a chiral Held,the overall effect of the other SU(3)chiral fields is destructive in forming a stable DH and the two-cluster configuration is the preferred structure.The resultant mass of DH in a three-coupled-channel calculation in the SU(3)chiral quark model is ranged from 2225 to 2234 MeV.
作者
SHEN Peng-Nian
ZHANG Zong-Ye
YU You-Wen
YUAN Xiu-Qing
YANG Shu
沈彭年;张宗烨;余友文;袁秀清;杨树(Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039;China Center of Advanced Science and Technology(World Laboratory),P.O.Box 8730,Beijing 100080;Institute of Theoretical Physics,Chinese Academy of Sciences,Beijing 100080;Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000)
基金
Supported in part by the National Natural Science Foundation of China under Grant Nos.1977551B and B15,and Chinese Academy of Sciences under Grant Nos.B78 and B80.
