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X(3872) and other possible heavy molecular states
Liu, X; Luo, ZG; Liu YR(刘言锐); Liu, YR; Zhu, SL
2009
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号61期号:3页码:411-428
通讯作者[Liu, Xiang ; Luo, Zhi-Gang ; Zhu, Shi-Lin] Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; [Liu, Xiang] Univ Coimbra, Ctr Fis Computac, Dept Fis, P-3004516 Coimbra, Portugal ; [Liu, Yan-Rui] Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要We perform a systematic study of the possible molecular states composed of a pair of heavy mesons such as D (D) over bar, D*(D) over bar, D*(D) over bar* in the framework of the meson exchange model. The exchanged mesons include the pseudoscalar, scalar and vector mesons. Through our investigation, we find the following results. (1) The structure X(3764) is not a molecular state. (2) There exists strong attraction in the range r < 1 fm for the D*(D) over bar* system with J = 0, 1. If future experiments confirm Z(+)(4051) as a loosely bound molecular state, its quantum number is probably J(P) = 0(+). Its partner state Phi**(0) may be searched for in the pi(0) chi c1 channel. (3) Vector meson exchange provides strong attraction in the D*(D) over bar channel together with pion exchange. A bound state solution may exist with a reasonable cutoff parameter. A similar to 1.4 GeV.X(3872) may be accommodated as a molecular state dynamically although drawing a very definite conclusion needs further investigation. (4) The B*(B) over bar molecular state may exist.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1140/epjc/s10052-009-1020-4
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Particles & Fields
WOS记录号WOS:000266385100005
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被引频次:119[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/311005/237368
专题理论物理室
作者单位中国科学院高能物理研究所
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Liu, X,Luo, ZG,Liu YR,et al. X(3872) and other possible heavy molecular states[J]. EUROPEAN PHYSICAL JOURNAL C,2009,61(3):411-428.
APA Liu, X,Luo, ZG,刘言锐,Liu, YR,&Zhu, SL.(2009).X(3872) and other possible heavy molecular states.EUROPEAN PHYSICAL JOURNAL C,61(3),411-428.
MLA Liu, X,et al."X(3872) and other possible heavy molecular states".EUROPEAN PHYSICAL JOURNAL C 61.3(2009):411-428.
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