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

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

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dc.contributor.author Döring, Michael
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Zou, B. S.
dc.date.accessioned 2015-09-07T11:53:42Z
dc.date.available 2015-09-07T11:53:42Z
dc.date.issued 2008
dc.identifier.citation Döring, Michael Oset Báguena, Eulogio Zou, B. S. 2008 Role of the N*(1535) resonance and the pi(-)p -> KY amplitudes in the OZI forbidden pi N ->phi N reaction Physical Review C 78 2 025207
dc.identifier.uri http://hdl.handle.net/10550/46901
dc.description.abstract We study the pi N --> phi N reaction close to the phi N threshold within the chiral 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 phi to 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^0 Lambda amplitude is constrained with its experimental cross section. We also evaluate the coupling of the N*(1535) to phi N and find a moderate coupling as a consequence of partial cancellation of the large KY components of the N*(1535). We also show that the N*(1535) pole approximation is too small to reproduce the measured cross section for the pi N --> phi N reaction.
dc.language.iso eng
dc.relation.ispartof Physical Review C, 2008, vol. 78, num. 2, p. 025207
dc.subject Física
dc.title Role of the N*(1535) resonance and the pi(-)p -> KY amplitudes in the OZI forbidden pi N ->phi N reaction
dc.type journal article es_ES
dc.date.updated 2015-09-07T11:53:42Z
dc.identifier.doi 10.1103/PhysRevC.78.025207
dc.identifier.idgrec 050052
dc.rights.accessRights open access es_ES

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