ITP OpenIR  > 理论物理所2016年知识产出
Remarks on the P-c structures and triangle singularities
Guo, FK; Meissner, UG; Nieves, J; Yang, Z; Guo, FK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2016
发表期刊EUROPEAN PHYSICAL JOURNAL A
卷号52期号:10页码:318
文章类型Article
摘要It was proposed that the narrow P-c(4450) structure observed by the LHCb Collaboration in the reaction Lambda(b) -> J/psi pK might be due to a triangle singularity around the chi(c1)-proton threshold at 4.45 GeV. We discuss the occurrence of a similar triangle singularity in the J/psi p invariant mass distribution for the decay Lambda(b) -> J/psi p pi, which could explain the bump around 4.45 GeV in the data. More precise measurements of this process would provide valuable information towards an understanding of the P-c structures.
学科领域Physics
资助者DFG ; DFG ; NSFC [11621131001] ; NSFC [11621131001] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; DFG ; DFG ; NSFC [11621131001] ; NSFC [11621131001] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; Generalitat Valenciana [PROME-TEOII/2014/0068]
DOIhttp://dx.doi.org/10.1140/epja/i2016-16318-4
关键词[WOS]PENTAQUARK CANDIDATES ; DIQUARK MODEL ; STATES ; RESONANCES ; BARYONS
收录类别SCI
语种英语
资助者DFG ; DFG ; NSFC [11621131001] ; NSFC [11621131001] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; DFG ; DFG ; NSFC [11621131001] ; NSFC [11621131001] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences (CAS) [QYZDB-SSW-SYS013] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; CAS President's International Fellowship Initiative (PIFI) [2015VMA076] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER funds [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; Generalitat Valenciana [PROME-TEOII/2014/0068] ; Generalitat Valenciana [PROME-TEOII/2014/0068]
WOS类目Physics, Nuclear ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21502
专题理论物理所2016年知识产出
通讯作者Guo, FK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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Guo, FK,Meissner, UG,Nieves, J,et al. Remarks on the P-c structures and triangle singularities[J]. EUROPEAN PHYSICAL JOURNAL A,2016,52(10):318.
APA Guo, FK,Meissner, UG,Nieves, J,Yang, Z,&Guo, FK .(2016).Remarks on the P-c structures and triangle singularities.EUROPEAN PHYSICAL JOURNAL A,52(10),318.
MLA Guo, FK,et al."Remarks on the P-c structures and triangle singularities".EUROPEAN PHYSICAL JOURNAL A 52.10(2016):318.
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