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24 January 2022
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Photoproduction of pions and properties of baryon resonances from a Bonn-Gatchina partial wave analysis
A.V.Anisovich ; E.Klempt ; V.A.Nikonov ; M.A.Matveev ; A.V.Sarantsev ; U.Thoma ;
Date 27 Nov 2009
AbstractMasses, widths and photocouplings of baryon resonances are determined in a coupled-channel partial wave analysis of a large variety of data. The Bonn-Gatchina partial wave formalism is extended to include a decomposition of t- and u-exchange amplitudes into individual partial waves. The multipole transition amplitudes for $gamma p o ppi^0$ and $gamma p o npi^+$ are given and compared to results from other analyses.
Source arXiv, 0911.5277
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