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题名: Looking for a hidden-charm pentaquark state with strangeness S =-1 from Xi(-)(b) decay into J/Psi K-Lambda
作者: Chen, HX ;  Geng, LS ;  Liang, WH ;  Oset, E ;  Wang, E ;  Xie, JJ
刊名: PHYSICAL REVIEW C
出版日期: 2016
卷号: 93, 期号:6, 页码:65203
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.93.065203
通讯作者: Geng, LS (reprint author), Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China. ;  Geng, LS (reprint author), Beihang Univ, Int Res Ctr Nuclei & Particles Cosmos, Beijing 100191, Peoples R China. ;  Geng, LS (reprint author), Beihang Univ, Beijing Key Lab Adv Nucl Mat & Phys, Beijing 100191, Peoples R China. ;  Geng, LS (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: Assuming that the recently observed hidden-charm pentaquark state, P-c(4450), is of molecular nature as predicted in the unitary approach, we propose to study the decay of Xi(-)(b) -> J/psi K-Lambda to search for the strangeness counterpart of the P-c(4450). There are three ingredients in the decay mechanism: the weak decay mechanism, the hadronization mechanism, and the final state interactions in the meson-baryon system of strangeness S = -2 and isospin I = 1/2 and of the J/psi Lambda. All these have been tested extensively. As a result, we provide a genuine prediction of the invariant mass distributions where a strangeness hidden-charm pentaquark state, the counterpart of the P-c(4450), can be clearly seen. The decay rate is estimated to be of similarmagnitude as the Lambda(0)(b) -> J/psi K(-)p measured by the LHCb Collaboration.
类目[WOS]: Physics, Nuclear
关键词[WOS]: NUCLEON INTERACTIONS ;  SCALAR RESONANCES ;  DIQUARK MODEL ;  BARYON ;  MESON ;  PHOTOPRODUCTION ;  CONSTRAINTS ;  CANDIDATES ;  F(0)(500) ;  P-C(4450)
收录类别: SCI
项目资助者: Chinese Academy of Sciences (CAS) in the Program of Visiting Professorship for Senior International Scientists [2013T2J0012] ;  National Natural Science Foundation of China [11475227, 11375024, 11522539, 11505158, 11475015, 11565007] ;  Department of Energy ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF151CJ1] ;  Postdoctoral Research Sponsorship in Henan Province [2015023] ;  China Postdoctoral Science Foundation [2015M582197] ;  Spanish Ministerio de Economia y Competitividad and European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02] ;  Generalitat Valenciana via the program Prometeo [II-2014/068]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21614
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, HX,Geng, LS,Liang, WH,et al. Looking for a hidden-charm pentaquark state with strangeness S =-1 from Xi(-)(b) decay into J/Psi K-Lambda[J]. PHYSICAL REVIEW C,2016,93(6):65203.
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