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27 April 2024

» arxiv » nucl-th/9911030

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Extraction of the D13(1520) photon-decay couplings from pion- and eta-photoproduction data
R.L. Workman ; R.A. Arndt ; I.I. Strakovsky ;
Date:	8 Nov 1999
Journal:	Phys.Rev. C62 (2000) 048201
Subject:	nucl-th
Abstract:	We compare results for the D13(1520) photon-decay amplitudes determined in analyses of eta- and pion-photoproduction data. The ratio of helicity amplitudes (A_3/2 / A_1/2), determined from eta-photoproduction data, is quite different from that determined in previous analyses of pion-photoproduction data. We consider how strongly the existing pion-photoproduction data constrain both this ratio and the individual photon-decay amplitudes.
Source:	arXiv, nucl-th/9911030
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