J/psi -> p(p)over-bar phi decay in the isobar resonance model
Dai JP(代建平); Shen PN(沈彭年); Dai, JP; Shen, PN; Xie, JJ; Zou, BS;邹冰松
刊名PHYSICAL REVIEW D
2012
卷号85期号:1页码:14011
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.85.014011
英文摘要Based on the effective Lagrangian approach, the J/psi -> p (p) over bar phi decay is studied in an isobar resonance model with the assumption that the phi-meson is produced from intermediate nucleon resonances. The contributions from the N*(-)(1/2) (1535), N*(3/2+) (1900), N*(1/2-) (2090) and N*(1/2+) (2100) states are considered. In terms of the coupling constants g(phi NN*)(2) and g(psi NN*)(2) extracted from the reaction cross section of the pi(-) p -> n phi process, and the partial decay widths of the J/psi -> p (p) over bar eta and J/psi -> p (n) over bar pi(-) processes, respectively, the invariant mass spectrum and the Dalitz plot for J/psi -> p (p) over bar phi decay are predicted. It is shown that there are two types of results. In the type I case, a large peak structure around 2.09 GeV implies that a considerable amount of N phi or qqqs (s) over bar component may exist in the narrow-width N*(1/2-) (2090) state, but a tiny qqqs (s) over bar component in the broad-width N*(1/2+) (2100) state. In the type II case, a small peak around 2.11 GeV may only indicate the existence of a certain amount of p phi or qqqs (s) over bar component in the narrow-width N*(1/2+) (2100) state, but no information for the broad-width N*(1/2-) (2090) state. Further BESIII data with high statistics would help us to distinguish the strange structures of these N*s.
收录类别SCI
WOS记录号WOS:000298989300006
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被引频次:6[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/311005/224487
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_实验物理中心
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Dai JP,Shen PN,Dai, JP,et al. J/psi -> p(p)over-bar phi decay in the isobar resonance model[J]. PHYSICAL REVIEW D,2012,85(1):14011.
APA 代建平,沈彭年,Dai, JP,Shen, PN,Xie, JJ,&Zou, BS;邹冰松.(2012).J/psi -> p(p)over-bar phi decay in the isobar resonance model.PHYSICAL REVIEW D,85(1),14011.
MLA 代建平,et al."J/psi -> p(p)over-bar phi decay in the isobar resonance model".PHYSICAL REVIEW D 85.1(2012):14011.
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