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Aceti, F; Dai, LR; Geng, LS; Oset, E; Zhang, Y; Aceti, F (reprint author), Univ Valencia, CSIC, Ctr Mixto, Inst Invest Paterna,Dept Fis Teor, Apartado 22085, Valencia 46071, Spain.
Meson-baryon components in the states of the baryon decuplet
Source PublicationEUROPEAN PHYSICAL JOURNAL A
Language英语
KeywordNonperturbative Chiral Approach Nuclear-reactions Unified Theory Perturbation-theory Dynamics Scattering Particles Resonance
AbstractWe apply an extension of the Weinberg compositeness condition on partial waves of L = 1 and resonant states to determine the weight of the meson-baryon component in the Delta(1232) resonance and the other members of the baryon decuplet. We obtain an appreciable weight of pi N in the Delta(1232) wave function, of the order of 60%, which looks more natural when one recalls that experiments on deep inelastic and Drell Yan give a fraction of pi N component of 34% for the nucleon. We also show that, as we go to higher energies in the members of the decuplet, the weights of the meson-baryon component decrease and they already show a dominant part for a genuine, non-meson-baryon, component in the wave function. We write a section to interpret the meaning of the Weinberg sum rule when it is extended to complex energies and another one for the case of an energy-dependent potential.
2014
ISSN1434-6001
Volume50Issue:3Pages:57
Subject AreaPhysics
DOI10.1140/epja/i2014-14057-2
Indexed BySCI
Funding OrganizationEuropean FEDER funds [FIS2011-28853-C02-01]; Generalitat Valenciana in the program Prometeo [2009/090]; Natural Science Foundation of China [11375080, 10975068]; Natural Science Foundation of Liaoning Scientific Committee [2013020091]; Chinese Academy of Sciences [KJCX2.YW.W10]; National Natural Science Foundation of China [11005007]; European Community-Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym HadronPhysics3) under the Seventh Framework Programme of EU [283286]; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01]; Generalitat Valenciana in the program Prometeo [2009/090]; Natural Science Foundation of China [11375080, 10975068]; Natural Science Foundation of Liaoning Scientific Committee [2013020091]; Chinese Academy of Sciences [KJCX2.YW.W10]; National Natural Science Foundation of China [11005007]; European Community-Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym HadronPhysics3) under the Seventh Framework Programme of EU [283286]; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01]; Generalitat Valenciana in the program Prometeo [2009/090]; Natural Science Foundation of China [11375080, 10975068]; Natural Science Foundation of Liaoning Scientific Committee [2013020091]; Chinese Academy of Sciences [KJCX2.YW.W10]; National Natural Science Foundation of China [11005007]; European Community-Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym HadronPhysics3) under the Seventh Framework Programme of EU [283286]; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-01]; Generalitat Valenciana in the program Prometeo [2009/090]; Natural Science Foundation of China [11375080, 10975068]; Natural Science Foundation of Liaoning Scientific Committee [2013020091]; Chinese Academy of Sciences [KJCX2.YW.W10]; National Natural Science Foundation of China [11005007]; European Community-Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym HadronPhysics3) under the Seventh Framework Programme of EU [283286]; Spanish Ministerio de Economia y Competitividad
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15461
Collection理论物理所科研产出_SCI论文
Corresponding AuthorAceti, F (reprint author), Univ Valencia, CSIC, Ctr Mixto, Inst Invest Paterna,Dept Fis Teor, Apartado 22085, Valencia 46071, Spain.
Recommended Citation
GB/T 7714
Aceti, F,Dai, LR,Geng, LS,et al. Meson-baryon components in the states of the baryon decuplet[J]. EUROPEAN PHYSICAL JOURNAL A,2014,50(3):57.
APA Aceti, F,Dai, LR,Geng, LS,Oset, E,Zhang, Y,&Aceti, F .(2014).Meson-baryon components in the states of the baryon decuplet.EUROPEAN PHYSICAL JOURNAL A,50(3),57.
MLA Aceti, F,et al."Meson-baryon components in the states of the baryon decuplet".EUROPEAN PHYSICAL JOURNAL A 50.3(2014):57.
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