PENTAQUARK

作品数：38被引量：8H指数：2
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相关领域：理学更多>>
相关作者：高远李永青李希国刘建业郝学文更多>>
相关机构：中国科学院近代物理研究所清华大学南京师范大学更多>>
相关期刊：《Chinese Physics C》《IMP & HIRFL Annual Report》《原子核物理评论》《Communications in Theoretical Physics》更多>>
相关基金：国家自然科学基金中国科学院知识创新工程重要方向项目更多>>
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Hidden-charm Pentaquark Production at e^(+)e^(-) Colliders
《Communications in Theoretical Physics》2018年第3期291-296,共6页Shi-Yuan Li Yan-Rui Liu Yu-Nan Liu Zong-Guo Si Xiao-Feng Zhang 
Supported by National Natural Science Foundation of China under Grant Nos.11775130,11775132,11635009,11325525;the Natural Science Foundation of Shandong Province under Grant No.ZR2017MA002
We study one possible production mechanism for the hidden-charm pentaquark via a color-octet cc pair fragmentation in e^(+)e^(-)collision.The pentaquark production at B factory energy is dominated by e^(+)e^(-)→ccg→...
关键词：PENTAQUARK e^(+)e^(-)annihialation NRQCD 
Low-Lying Pentaquark Baryons in Pseudoscalar-Vector SU（3） Skyrme Model
《Communications in Theoretical Physics》2007年第2X期319-325,共7页XIA Zheng-Tong WANG Shun-Jin ZHANG Hua 
The project partially supported by National Natural Science Foundation of China under Grant Nos. 10375039 and 90503008, the Doctoral Program Funds of the Ministry of Education, and the Research Fund of the Nuclear Theory Center of Heavy Ion Research Facility at Lanzhou of China.Acknowledgments We are grateful to Prof. H. Weigel for his useful program from E-mail exchanges.
For the first time the low-lying J = 1/2 pentaquark states are investigated in the pseudoscalar-vector Skyrme model. Once the conventional baryon properties are fit, other states are predicted without any more adjusta...
关键词：nonstandard multiquark SKYRMIONS hadron mass calculations hadronic decays 
Masses and Sigma Terms of Pentaquarks in Chiral Perturbation Theory
《Communications in Theoretical Physics》2006年第4X期704-710,共7页LI Xiao-Ya LU Xiao-Fu 
The project supported in part by National Natural Science Foundation of China under Grant No. 90103018.
Assuming that the recently θ＋ and other exotic resonances belong to the pentaquark i0 of SU（3）I with J^P = 1/2, we constructed a relativistic effective lagrangian in the frame work of baryon chiral perturbation th...
关键词：PENTAQUARK chiral perturbation theory σ term 
Reanalyzing Pentaquark Θ^＋（1540） in Framework of QCD Sum Rules Approach with Direct Instantons
《Communications in Theoretical Physics》2006年第2期320-324,共5页WANG Zhi-Gang YANG Wei-Min WAN Shao-Long 
The project supported by National Natural Science Foundation of China under Grant No. 10405009 and the Key Program Foundation of North China Electric Power University
In this article, we study the pentaquark state Θ＋（1540） with a （scalar） diquark-（pseudoscalar） diquarkantiquark type interpolating current in the framework of the QCD sum rules approach by including the contri...
关键词：QCD sum rules INSTANTON pentaquark state 
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