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题名: Nucleon resonances in pi N -> eta ' N and J/psi -> p(p)over-bar eta '
作者: Cao, X ;  Xie, JJ
刊名: CHINESE PHYSICS C
出版日期: 2016
卷号: 40, 期号:8, 页码:83103
关键词: nucleon resonances ;  isobar model ;  partial wave analysis
学科分类: Physics
DOI: http://dx.doi.org/10.1088/1674-1137/40/8/083103
通讯作者: Cao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. ;  Cao, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Cao, X (reprint author), Chinese Acad Sci, KITPC, Beijing 100190, Peoples R China. ;  Cao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China. ;  Cao, X (reprint author), Lanzhou Univ, Lanzhou 730000, Peoples R China.
文章类型: Article
英文摘要: We are aiming to study the J/psi -> p (p) over bar eta' decay in an isobar model and the effective Lagrangian approach on the basis of the coupling constants extracted from the pi N -> eta'N reaction. After a careful exploration of the contributions of the S-11(1535), P-11(1710), P-13 (1900), S-11(2090) and P-11(2100) resonances, we conclude that either a subthreshold resonance or a broad P -wave state in the near threshold range seems to be indispensable to describe the present data of the pi N -> eta'N. Furthermore, at least one broad resonance above eta'N threshold is preferred. With this detailed analysis, we give the invariant mass spectrum and Dalitz plot of the J/psi -> pp eta' decay for the purpose of assisting the future detailed partial wave analysis. It is found that the J/psi -> pp eta' data are useful for disentangling the above or below threshold resonant contribution, though it still further needs the differential cross section data of pi N -> eta'N to realize some of the resonant and non -resonant contribution.
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: COVARIANT TENSOR FORMALISM ;  PARTIAL-WAVE ANALYSIS ;  PP-ETA' ;  DECAYS ;  MODEL ;  SCATTERING ;  N-ASTERISK(1535) ;  PHOTOPRODUCTION ;  ENERGIES ;  PSI(2S)
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11347146, 11405222, 11105126, 11475227]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21579
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Cao, X,Xie, JJ. Nucleon resonances in pi N -> eta ' N and J/psi -> p(p)over-bar eta '[J]. CHINESE PHYSICS C,2016,40(8):83103.
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