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题名: Lambda(b) -> J/psi K-0 Lambda reaction and a hidden-charm pentaquark state with strangeness
作者: Lu, JX ;  Wang, E ;  Xie, JJ ;  Geng, LS ;  Oset, E
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 93, 期号:9, 页码:94009
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.93.094009
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. ;  Wang, E (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China. ;  Xie, JJ ;  Oset, E (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. ;  Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China. ;  Xie, JJ (reprint author), Lanzhou Univ, Lanzhou 730000, Peoples R China. ;  Xie, JJ ;  Geng, LS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Xie, JJ ;  Geng, LS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Oset, E (reprint author), Univ Valencia, CSIC, Inst Invest Paterna, Ctr Mixto,Dept Fis Teor, Valencia 46071, Spain. ;  Oset, E (reprint author), Univ Valencia, CSIC, Inst Invest Paterna, Ctr Mixto,IFIC, Valencia 46071, Spain.
文章类型: Article
英文摘要: We study the Lambda(b) -> J/psi K-0 Lambda reaction considering both the K-0 Lambda interaction with its coupled channels and the J/psi Lambda interaction. The latter is described by taking into account the fact that there are predictions for a hidden-charm state with strangeness that couples to J/psi Lambda By using the coupling of the resonance to J/psi Lambda from these predictions, we show that a neat peak can be observed in the J/psi Lambda invariant mass distribution, rather stable under changes of unknown magnitudes. In some cases, one finds a dip structure associated to that state, but a signal of the state shows up in the J/psi Lambda spectrum.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: BARYON RESONANCES ;  DIQUARK MODEL ;  P-C(4450) ;  DECAY
收录类别: SCI
项目资助者: Chinese Academy of Science in the Program of Visiting Professorship for Senior International Scientists [2013T2J0012] ;  National Natural Science Foundation of China [11375024, 11522539, 11505158, 11475015, 11475227] ;  Spanish Ministerio de Economia y Competitividad ;  European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02] ;  Generalitat Valenciana in the program Prometeo [II-2014/068] ;  China Postdoctoral Science Foundation [2015M582197] ;  Postdoctoral Research Sponsorship in Henan Province [2015023] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF151CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21655
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Lu, JX,Wang, E,Xie, JJ,et al. Lambda(b) -> J/psi K-0 Lambda reaction and a hidden-charm pentaquark state with strangeness[J]. PHYSICAL REVIEW D,2016,93(9):94009.
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