DAPNIA-06-272 |
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Search for missing baryon resonances via associated strangeness photoproduction (nucl-th/0610016) |
B. Saghai, J.-C. David, B. Julia-Diaz, T.-S.H. Lee |
Differential cross-section and single polarization observables in the process gamma p --> K+ Lambda are investigated within a constituent quark model and a dynamical coupled-channel formalism. The effects of two new nucleon resonances and of the K*(892)- and K1(1270)-exchanges are briefly presented. |