Electroproduction of Roper resonance in a meson cloud model
Chen DY(陈殿勇); Dong YB(董宇兵); Chen, DY; Dong, YB
刊名COMMUNICATIONS IN THEORETICAL PHYSICS
2008
卷号50期号:1页码:#REF!
关键词photo-production amplitudes Roper resonance meson cloud
学科分类Physics
通讯作者Chen, DY (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
文章类型Article
英文摘要The Q(2) dependencies of Roper resonance (N*(1440)) helicity amplitudes have been discussed based on two assumptions: (i) the Roper resonance is an excitation of one of the three quarks, and (ii) the quarks are surrounded by a pion-meson cloud. Our study shows that the mixing of the ground state in the Roper wavefunction caused by the pion meson cloud together with the pion meson cloud itself is crucial for the predictions of the photoproduction amplitudes of the Roper resonance. It is found that our model can give a good description for the helicity amplitudes of the Roper resonance comparing with the experimental measurement.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000258124800031
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226476
专题中国科学院高能物理研究所_理论物理室_期刊论文
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GB/T 7714
Chen DY,Dong YB,Chen, DY,et al. Electroproduction of Roper resonance in a meson cloud model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,50(1):#REF!.
APA 陈殿勇,董宇兵,Chen, DY,&Dong, YB.(2008).Electroproduction of Roper resonance in a meson cloud model.COMMUNICATIONS IN THEORETICAL PHYSICS,50(1),#REF!.
MLA 陈殿勇,et al."Electroproduction of Roper resonance in a meson cloud model".COMMUNICATIONS IN THEORETICAL PHYSICS 50.1(2008):#REF!.
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