Missing Resonances in Kaon Photoproduction on the Nucleon

Details Missing Resonances in Kaon Photoproduction on the Nucleon Missing Resonances in Kaon Photoproduction on the Nucleon

2004-11-10

arxiv.org/abs/nucl-th/0411035v1

Physics

Nuclear Physics

Nuclear Theory

10 pages, 6 figures, invited talk at the International Symposium on Electrophotoproduction of Strangeness on Nucleons and Nucl

Scientific paper

New kaon photoproduction data on a proton, gamma + p --> K+ + Lambda, are analyzed using a multipole approach. The background terms are given in terms of gauge invariant, crossing symmetric, Born diagrams with hadronic form factors, while the resonances are parameterized using Breit-Wigner forms. Preliminary results suggest a number of new resonances, as predicted by many quark model studies. A comparison between the extracted multipoles and those obtained from KAON-MAID is presented.

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