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Chiral SU(3) quark model study of tetraquark states: cn(n)over-bar(s)over barcs(s)over bar(s)over bar
Zhang Hai-Xia; Wang Wen-Ling; Dai Yuan-Ben; Zhang Zong-Ye; Zhang, HX , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100049, Peoples R China
2008
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号49期号:2页码:414-420
摘要The new members of the charm-strange family D-sJ*(2317), D-sJ(2460), and D-s(2632), which have the surprising properties, are challenging the present models. Many theoretical interpretations have been devoted to this issue. Most authors suggest that they are not the conventional c (s) over tilde quark model states, but possibly are four-quark states, molecule states, or mixtures of a P-wave c (s) over bar and a four-quark state. In this work, we follow the four-quark-state picture, and study the masses of cn (n) over bar(s) over bar /cs(s)over bar>(s)over bar> states (n is u or d quark) in the chiral SU(3) quark model. The numerical results show that the mass of the mixed four-quark state (cn (n) over bar(s) over bar /cs(s)over bar>(s)over bar>) with spin parity J(P) = 0(+) might not be D-s(2632). At the same time, we also conclude that D-sJ*(2317) and D-sJ(2460) cannot be explained as the pure four-quark state.
部门归属[Zhang, HX; Zhang, ZY] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Wang, WL] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China; [Dai, YB] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
学科领域Physics
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收录类别SCI
WOS记录号WOS:000253447100035
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5586
专题理论物理所1978-2010年知识产出
通讯作者Zhang, HX , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100049, Peoples R China
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Zhang Hai-Xia,Wang Wen-Ling,Dai Yuan-Ben,et al. Chiral SU(3) quark model study of tetraquark states: cn(n)over-bar(s)over barcs(s)over bar(s)over bar[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,49(2):414-420.
APA Zhang Hai-Xia,Wang Wen-Ling,Dai Yuan-Ben,Zhang Zong-Ye,&Zhang, HX , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100049, Peoples R China.(2008).Chiral SU(3) quark model study of tetraquark states: cn(n)over-bar(s)over barcs(s)over bar(s)over bar.COMMUNICATIONS IN THEORETICAL PHYSICS,49(2),414-420.
MLA Zhang Hai-Xia,et al."Chiral SU(3) quark model study of tetraquark states: cn(n)over-bar(s)over barcs(s)over bar(s)over bar".COMMUNICATIONS IN THEORETICAL PHYSICS 49.2(2008):414-420.
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