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Résumé du preprint DAPNIA-05-356

DAPNIA-05-356

Coupled channel study of K+ Lambda photoproduction (nucl-th/0512010)

B. Julia-Diaz, B. Saghai, T.-S.H. Lee, F. Tabakin

A coupled channel model with gamma N, KY and piN channels has been used to analyze the recent data of gamma p -> K+ Lambda. The non-resonant interactions within the subspace KY O pi N are derived from effective Lagrangians using a unitary transformation method. The direct 
photoproduction reaction is obtained from a chiral constituent quark model 
with SU(6)X O(3)breaking. Missing baryon resonances issues are briefly discussed.

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