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We describe the Lambda(1405) hyperon as a Feshbach resonance of a bar-KNquasi-bound state coupled by a decaying channel of pi Sigma in the Skyrmemodel. A weakly bound bar-KN state is generated in the laboratory frame, whilethe Sigma hyperon as a strongly bound state of bar-KN in the intrinsic frame.We obtain a coupling of bar-KN and pi Sigma channels by computing a baryonmatrix element of the axial current. This coupling enables the decay of thebar-KN bound state to pi-Sigma . It is shown that the Skyrme model supports theLambda(1405) as a narrow Feshbach resonance.

Lambda(1405) as a K-bar N Feshbach resonance in the Skyrme model