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Role of a triangle singularity in the gamma p -> K+Lambda (1405) reaction
Wang, E; Xie, JJ; Liang, WH; Guo, FK; Oset, E; Wang, E (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
2017
发表期刊PHYSICAL REVIEW C
卷号95期号:1页码:15205
文章类型Article
摘要We show the effects of a triangle singularity mechanism for the gamma p -> K+Lambda(1405) reaction. The mechanism has a N-* resonance around 2030 MeV, which decays into K*Sigma. The K-* decays to K+ pi, and the pi Sigma merge to form the Lambda (1405). This mechanism produces a peak around root s = 2110 MeV, and has its largest contribution around cos theta= 0. The addition of this mechanism to other conventional ones leads to a good reproduction of d sigma/dcos theta and the integrated cross section around this energy, providing a solution to a problem encountered in previous theoretical models.
学科领域Physics
资助者Chinese Academy of Science [2013T2J0012] ; Chinese Academy of Science [2013T2J0012] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; Youth Innovation Promotion Association CAS [2016367] ; Youth Innovation Promotion Association CAS [2016367] ; DFG ; DFG ; NSFC [CRC 110, 11621131001] ; NSFC [CRC 110, 11621131001] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; China Postdoctoral Science Foundation [2015M582197] ; China Postdoctoral Science Foundation [2015M582197] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Chinese Academy of Science [2013T2J0012] ; Chinese Academy of Science [2013T2J0012] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; Youth Innovation Promotion Association CAS [2016367] ; Youth Innovation Promotion Association CAS [2016367] ; DFG ; DFG ; NSFC [CRC 110, 11621131001] ; NSFC [CRC 110, 11621131001] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; China Postdoctoral Science Foundation [2015M582197] ; China Postdoctoral Science Foundation [2015M582197] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Generalitat Valenciana in the program Prometeo [II-2014/068]
DOIhttp://dx.doi.org/10.1103/PhysRevC.95.015205
关键词[WOS]KAON-NUCLEON INTERACTIONS ; CHIRAL DYNAMICS ; BARYON CHANNELS ; PHOTOPRODUCTION ; LAMBDA(1405) ; THRESHOLD ; PROTON ; STATES ; CONSTRAINTS ; RESONANCES
语种英语
资助者Chinese Academy of Science [2013T2J0012] ; Chinese Academy of Science [2013T2J0012] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; Youth Innovation Promotion Association CAS [2016367] ; Youth Innovation Promotion Association CAS [2016367] ; DFG ; DFG ; NSFC [CRC 110, 11621131001] ; NSFC [CRC 110, 11621131001] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; China Postdoctoral Science Foundation [2015M582197] ; China Postdoctoral Science Foundation [2015M582197] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Chinese Academy of Science [2013T2J0012] ; Chinese Academy of Science [2013T2J0012] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; National Natural Science Foundation of China [11565007, 11547307, 11475227, 11505158] ; Youth Innovation Promotion Association CAS [2016367] ; Youth Innovation Promotion Association CAS [2016367] ; DFG ; DFG ; NSFC [CRC 110, 11621131001] ; NSFC [CRC 110, 11621131001] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Chinese Academy of Sciences [QYZDB-SSW-SYS013] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; China Postdoctoral Science Foundation [2015M582197] ; China Postdoctoral Science Foundation [2015M582197] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Postdoctoral Research Sponsorship in Henan Province [2015023] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2-1-P, FIS2014-51948-C2-2-P] ; Generalitat Valenciana in the program Prometeo [II-2014/068] ; Generalitat Valenciana in the program Prometeo [II-2014/068]
WOS类目Physics, Nuclear
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22151
专题理论物理所2017年知识产出
通讯作者Wang, E (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
推荐引用方式
GB/T 7714		 Wang, E,Xie, JJ,Liang, WH,et al. Role of a triangle singularity in the gamma p -> K+Lambda (1405) reaction[J]. PHYSICAL REVIEW C,2017,95(1):15205.
APA Wang, E,Xie, JJ,Liang, WH,Guo, FK,Oset, E,&Wang, E .(2017).Role of a triangle singularity in the gamma p -> K+Lambda (1405) reaction.PHYSICAL REVIEW C,95(1),15205.
MLA Wang, E,et al."Role of a triangle singularity in the gamma p -> K+Lambda (1405) reaction".PHYSICAL REVIEW C 95.1(2017):15205.
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