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题名: Photoproduction of the f(2)(1270) resonance
作者: Xie, JJ;  Oset, E
刊名: EUROPEAN PHYSICAL JOURNAL A
出版日期: 2015
卷号: 51, 期号:9, 页码:111
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epja/i2015-15111-3
通讯作者: Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
文章类型: Article
英文摘要: We have performed a calculation of the gamma(p) -> pi(+) p-p reaction, where the two pions have been separated in D-wave producing the f(2)(1270) resonance. We use elements of the local hidden gauge approach that provides the interaction of vector mesons in which the f(2)(1270) resonance appears as rho-rho. molecular state in L = 0 and spin 2. The vector meson dominance, incorporated in the local hidden gauge approach converts a photon into a rho(0) meson and the other meson connects the photon with the proton. The picture is simple and has no free parameters, since the parameters of the theory have been constrained in the previous study of the vector-vector states. In a second step we introduce new elements, not present in the local hidden gauge approach, adapting the rho propagator to Regge phenomenology and introducing the rho NN tensor coupling. We find that both the differential cross section as well as the t dependence of the cross section are in good agreement with the experimental results and provide support for the molecular picture of the f(2)(1270) resonance in the first baryonic reaction where it has been tested.
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: HIDDEN LOCAL SYMMETRY ;  HIGH-ENERGIES ;  GAUGE BOSON ;  DECAYS ;  MESON ;  SCATTERING ;  J/PSI ;  PION ;  RHO
收录类别: SCI
项目资助者: Chinese Academy of Science (CAS) [2013T2J0012] ;  Spanish Ministerio de Economia y Competitividad ;  European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02] ;  Generalitat Valenciana [Prometeo II-2014/068] ;  European Community of EU [283286] ;  National Natural Science Foundation of China [11105126, 11475227]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20860
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Xie, JJ,Oset, E. Photoproduction of the f(2)(1270) resonance[J]. EUROPEAN PHYSICAL JOURNAL A,2015,51(9):111.
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