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We study the pi N --> phi N reaction close to the phi N threshold within thechiral unitary approach, by combining the pi^- p --> K^+ Sigma^-, pi^- p -->K^0 Sigma^0 and pi^- p --> K^0 Lambda amplitudes with the coupling of the phito the K components of the final states of these reactions via quantum loops.We obtain a good agreement with experiment when the dominant pi^- p --> K^0Lambda amplitude is constrained with its experimental cross section. We alsoevaluate the coupling of the N*(1535) to phi N and find a moderate coupling asa consequence of partial cancellation of the large KY components of theN*(1535). We also show that the N*(1535) pole approximation is too small toreproduce the measured cross section for the pi N --> phi N reaction.

The role of the N*(1535) resonance and the pi^- p --> KY amplitudes in the OZI forbidden pi N --> phi N reaction