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QQ(q)over-bar(q)over-bar four-quark bound states in chiral SU(3) quark model
Zhang M(张明); Zhang ZY(张宗烨); Zhang, M; Zhang, HX; Zhang, ZY
刊名COMMUNICATIONS IN THEORETICAL PHYSICS
2008
卷号50期号:2页码:437-440
关键词four-quark states quark model chiral symmetry
学科分类Physics
通讯作者[Zhang Ming ; Zhang Zong-Ye] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Zhang Ming] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China ; [Zhang Hai-Xia] Capital Med Univ, Sch Biomed Engn, Beijing 100069, Peoples R China
文章类型Article
英文摘要The possibility of QQqq heavy-light four-quark bound states has been analyzed by means of the chiral SU(3) quark model, where Q is the heavy quark (c or b) and q is the light quark (u, d, or s). We obtain a bound state for the bbnn configuration with quantum number J(P) = 1(+); I = 0 and for the ccnn (J(P) = 1+, I = 0) configuration, which is not bound but slightly above the D*D* threshold (n is v or d quark). Meanwhile, we also conclude that a weakly bound state in bbnn system can also be found without considering the chiral quark interactions between the two light quarks, yet its binding energy is weaker than that with the chiral quark interactions.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000258939800031
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237476
专题院士_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang M,Zhang ZY,Zhang, M,et al. QQ(q)over-bar(q)over-bar four-quark bound states in chiral SU(3) quark model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,50(2):437-440.
APA 张明,张宗烨,Zhang, M,Zhang, HX,&Zhang, ZY.(2008).QQ(q)over-bar(q)over-bar four-quark bound states in chiral SU(3) quark model.COMMUNICATIONS IN THEORETICAL PHYSICS,50(2),437-440.
MLA 张明,et al."QQ(q)over-bar(q)over-bar four-quark bound states in chiral SU(3) quark model".COMMUNICATIONS IN THEORETICAL PHYSICS 50.2(2008):437-440.
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