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Xie, JJ; Wang, E; Nieves, J; Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Re-analysis of the A(1520) photoproduction reaction
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordElectromagnetic Decays Quark-model Hyperon Resonances Baryons Strangeness Threshold Exchange Masses States
AbstractBased on previous studies that support the important role of the N*(2120)D-13 resonance in the gamma p -> K+ A(1520) reaction, we make a re-analysis of this A(1520) photoproduction reaction taking into account the recent CLAS differential cross-section data. In addition to the contact, t-channel (K) over bar exchange, s-channel nucleon pole, and N*(2120) [previously called N*(2080)] resonance contributions, which have been considered in previous works, we also study the u-channel A(1115) hyperon pole term. The latter mechanism has always been ignored in all theoretical analysis, which has mostly relied on the very forward K+ angular LEPS data. It is shown that when the contributions from the N*(2120) resonance and the A(1115) hyperon are taken into account, both the new CLAS and the previous LEPS data can be simultaneously described. We also show that the contribution from the u-channel A(1115) pole term produces an enhancement for large K+ angles, and it becomes more and more relevant as the photon energy increases, being essential to describe the CLAS differential cross sections at backward angles. Furthermore, we find that the new CLAS data also favor the existence of the N*(2120) resonance and that these measurements can be used to further constrain its properties.
2014
ISSN0556-2813
Volume89Issue:1Pages:15203
Subject AreaPhysics
DOI10.1103/PhysRevC.89.015203
Indexed BySCI
Funding OrganizationDGI; FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02]; Spanish Ingenio-Consolider Program CPAN [CSD2007-00042]; Generalitat Valenciana [PROMETEO/2009/0090]; National Natural Science Foundation of China [11105126]; European Community-Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (HadronPhysics3) [283286]; Seventh Framework Programme of the E.U; DFG [SFB/TR 16] ; DGI; FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02]; Spanish Ingenio-Consolider Program CPAN [CSD2007-00042]; Generalitat Valenciana [PROMETEO/2009/0090]; National Natural Science Foundation of China [11105126]; European Community-Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (HadronPhysics3) [283286]; Seventh Framework Programme of the E.U; DFG [SFB/TR 16] ; DGI; FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02]; Spanish Ingenio-Consolider Program CPAN [CSD2007-00042]; Generalitat Valenciana [PROMETEO/2009/0090]; National Natural Science Foundation of China [11105126]; European Community-Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (HadronPhysics3) [283286]; Seventh Framework Programme of the E.U; DFG [SFB/TR 16] ; DGI; FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02]; Spanish Ingenio-Consolider Program CPAN [CSD2007-00042]; Generalitat Valenciana [PROMETEO/2009/0090]; National Natural Science Foundation of China [11105126]; European Community-Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (HadronPhysics3) [283286]; Seventh Framework Programme of the E.U; DFG [SFB/TR 16]
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15491
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorXie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Xie, JJ,Wang, E,Nieves, J,et al. Re-analysis of the A(1520) photoproduction reaction[J]. PHYSICAL REVIEW C,2014,89(1):15203.
APA Xie, JJ,Wang, E,Nieves, J,&Xie, JJ .(2014).Re-analysis of the A(1520) photoproduction reaction.PHYSICAL REVIEW C,89(1),15203.
MLA Xie, JJ,et al."Re-analysis of the A(1520) photoproduction reaction".PHYSICAL REVIEW C 89.1(2014):15203.
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