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Beyond the known baryon resonances | B. Saghai
; Z. Li
; | Date: |
2 May 2003 | Subject: | nucl-th | Affiliation: | CEA/Saclay) and Z. Li (Peking University | Abstract: | eta photoproduction data on the proton up to E=2 GeV are interpreted within a chiral constituent quark formalism, which embodies all known three and four star resonances. This study confirms the need for a new S11 resonance, with M=1.780 GeV and Gamma=280 MeV, already introduced in investigating lower energy data. | Source: | arXiv, nucl-th/0305004 | Services: | Forum | Review | PDF | Favorites |
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