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25 April 2024

» 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
Affiliation:	RPI) R.A. Arndt, I.I. Strakovsky, and R. L. Workman (VPI
Abstract:	We 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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