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09 August 2022
 
  » arxiv » nucl-th/9810038

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Problems with Extraction of the Nucleon to Delta(1232) Photonic Amplitudes
R.M. Davidson ; Nimai C. Mukhopadhyay ; M.S. Pierce R.A. Arndt ; I.I. Strakovsky ; R. L. Workman ;
Date 13 Oct 1998
Journal Phys.Rev. C59 (1999) 1059-1063
Subject nucl-th hep-ph
AffiliationRPI) R.A. Arndt, I.I. Strakovsky, and R. L. Workman (VPI
AbstractWe investigate the model dependence and the importance of choice of database in extracting the {it physical} nucleon-Delta(1232) electromagnetic transition amplitudes, of interest to QCD and baryon structure, from the pion photoproduction observables. The model dependence is found to be much smaller than the range of values obtained when different datasets are fitted. In addition, some inconsistencies in the current database are discovered, and their affect on the extracted transition amplitudes is discussed.
Source arXiv, nucl-th/9810038
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