Updated SAID analysis of pion photoproduction data
classification
✦ hep-ph
hep-exnucl-ex
keywords
beenphotoproductionpionupdatedanalysisapproachescomparedcouplings
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Energy-dependent and single-energy fits to the existing pion photoproduction database have been updated to cover the region from threshold to 2.7 GeV in the laboratory photon energy. Revised resonance photo-decay couplings have been extracted and compared to previous determinations. The influence of recent measurements is displayed. Remaining problems and future approaches are discussed.
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