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Garzon, EJ; Xie, JJ; Oset, E; Garzon, EJ (reprint author), Univ Valencia, CSIC, Inst Invest Paterna, Ctr Mixto,Dept Fis Teor, Apartado 22085, Valencia 46071, Spain.
Case in favor of the N*(1700)(3/2(-))
发表期刊PHYSICAL REVIEW C
语种英语
关键词Hidden Local Symmetry Partial-wave Analysis Pi-n Isobar-model Gauge Boson Resonances Amplitudes Electroproduction Transition Dynamics
摘要Using an interaction extracted from the local hidden-gauge Lagrangians, which brings together vector and pseudoscalar mesons, and the coupled channels rho N (s wave), pi N (d wave), pi Delta (s wave), and pi Delta (d wave), we look in the region ofv root s = 1400-1850 MeV and find two resonances dynamically generated by the interaction of these channels, which are naturally associated to N*(1520)(3/2(-)) and N*(1700)(3/2(-)). N*(1700)(3/2(-)) appears neatly as a pole in the complex plane. The free parameters of the theory are chosen to fit the pi N (d-wave) data. Both the real and imaginary parts of the pi N amplitude vanish in our approach in the vicinity of this resonance, which is similar to what happens in experimental determinations and which makes this signal very weak in this channel. This feature could explain why this resonance does not show up in some experimental analyses, but the situation is analogous to that of the f(0)(980) resonance, the second scalar meson after sigma[f(0)(500)] in the pi pi(d-wave) amplitude. The unitary coupled channel approach followed here, in connectionwith the experimental data, leads automatically to a pole in the 1700-MeV region and makes this second 3/2-resonance unavoidable.
2013
ISSN0556-2813
卷号87期号:5页码:55204
学科领域Physics
收录类别SCI
项目资助者Spanish Ministerio de Economia y Competitividad; Generalitat Valenciana in the program Prometeo; European Community Research Infrastructure Integrating Activity Study of Strongly Interacting Matter [283286]; EU ; Spanish Ministerio de Economia y Competitividad; Generalitat Valenciana in the program Prometeo; European Community Research Infrastructure Integrating Activity Study of Strongly Interacting Matter [283286]; EU ; Spanish Ministerio de Economia y Competitividad; Generalitat Valenciana in the program Prometeo; European Community Research Infrastructure Integrating Activity Study of Strongly Interacting Matter [283286]; EU ; Spanish Ministerio de Economia y Competitividad; Generalitat Valenciana in the program Prometeo; European Community Research Infrastructure Integrating Activity Study of Strongly Interacting Matter [283286]; EU
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15364
专题理论物理所科研产出_SCI论文
通讯作者Garzon, EJ (reprint author), Univ Valencia, CSIC, Inst Invest Paterna, Ctr Mixto,Dept Fis Teor, Apartado 22085, Valencia 46071, Spain.
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GB/T 7714
Garzon, EJ,Xie, JJ,Oset, E,et al. Case in favor of the N*(1700)(3/2(-))[J]. PHYSICAL REVIEW C,2013,87(5):55204.
APA Garzon, EJ,Xie, JJ,Oset, E,&Garzon, EJ .(2013).Case in favor of the N*(1700)(3/2(-)).PHYSICAL REVIEW C,87(5),55204.
MLA Garzon, EJ,et al."Case in favor of the N*(1700)(3/2(-))".PHYSICAL REVIEW C 87.5(2013):55204.
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