Problems with Extraction of the Nucleon to Delta(1232) Photonic Amplitudes

Details Problems with Extraction of the Nucleon to Delta(1232) Photonic Amplitudes Problems with Extraction of the Nucleon to Delta(1232) Photonic Amplitudes

1998-10-13

arxiv.org/abs/nucl-th/9810038v1

Phys.Rev. C59 (1999) 1059-1063

Physics

Nuclear Physics

Nuclear Theory

Revtex, 2 figs., submitted to PRC

Scientific paper

10.1103/PhysRevC.59.1059

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.

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