Photoproduction of Baryons Decaying into N pi and N eta

Details Photoproduction of Baryons Decaying into N pi and N eta Photoproduction of Baryons Decaying into N pi and N eta

2005-06-06

arxiv.org/abs/hep-ex/0506010v1

Eur.Phys.J. A25 (2005) 427-439

Physics

High Energy Physics

High Energy Physics - Experiment

13 pages, 14 figures

Scientific paper

A combined analysis of photoproduction data on \gamma p to \pi N, eta N was performed including the data on K Lambda and K Sigma. The data are interpreted in an isobar model with s--channel baryon resonances and pi, rho,(omega), K, and K^* exchange in the t--channel. Three baryon resonances have a substantial coupling to eta N, the well known N(1535)S_{11}, N(1720)P_{13}, and N(2070)D_{15}. The inclusion of data with open strangeness reveals the presence of further new resonances, N(1840)P_{11}, N(1875)D_{13} and N(2170)D_{13}.

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