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题名: Strong two-body decays of the S-wave Ds+Ds- molecule state
作者: Chen, DY ;  Xiao, CJ
刊名: NUCLEAR PHYSICS A
出版日期: 2016
卷号: 947, 页码:26-37
关键词: Decay behavior ;  Ds+Ds- molecule state ;  X(3915)
学科分类: Physics
DOI: http://dx.doi.org/10.1016/j.nuclphysa.2015.12.003
通讯作者: Chen, DY (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. ;  Chen, DY (reprint author), Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China. ;  Chen, DY (reprint author), Lanzhou Univ, Lanzhou 730000, Peoples R China. ;  Chen, DY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The decay behaviors of the Ds+Ds- molecule state have been studied in an effective Lagrangian approach. We find that the Ds+Ds- molecule state dominantly decays into D (D) over bar and eta c eta. The total and partial widths are strongly dependent on the model parameter, however, the ratio of the partial widths for eta c eta and D (D) over bar is relatively stable and predicted to be about 0.17 similar to 0.22. In addition, our evaluation shows that the partial width for the Ds+Ds- molecule to J/psi omega is too small to be observed, thus the charmonium-like state X(3915) should not be a Ds+Ds- molecule state. (C) 2015 Elsevier B.V. All rights reserved.
类目[WOS]: Physics, Nuclear
关键词[WOS]: COMPOSITE-PARTICLES ;  VECTOR ;  MESON ;  OMEGA ;  VMD ;  RHO
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11375240]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21751
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Chen, DY,Xiao, CJ. Strong two-body decays of the S-wave Ds+Ds- molecule state[J]. NUCLEAR PHYSICS A,2016,947:26-37.
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