The nature of Lambda(1405) hyperon resonance in chiral dynamics
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The nature of Lambda(1405) hyperon resonance in chiral dynamics

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The nature of Lambda(1405) hyperon resonance in chiral dynamics

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dc.contributor.author Jido, D.
dc.contributor.author Sekihara, T.
dc.contributor.author Ikeda, Y.
dc.contributor.author Hyodo, T.
dc.contributor.author Kanada-En'yo, Y.
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2015-08-20T11:50:28Z
dc.date.available 2015-08-20T11:50:28Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/10550/46723
dc.description.abstract The nature of the Lambda(1405) is discussed based on the unitarised coupled-channels approach with chiral dynamics (chiral unitary model). This approach describes the Kbar N scattering cross sections and the Lambda(1405) spectra phenomenologically very well. With this successful description of Lambda(1405), it is found that the Lambda(1405) is composed by two resonance states having different coupling nature to the meson-baryon states. As a consequence, the resonance position in the pi Sigma invariant mass spectrum depends on the initial channel of the Lambda(1405) production. To observe the Lambda(1405) initiated by the Kbar N channel, K^- d to Lambda(1405) n is one of the most favorable reactions. Hadronic molecule states with kaons are also discussed by emphasizing an important role of Lambda(1405) as a quasibound state of Kbar N.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics A, 2010, vol. 835, num. 1-4, p. 59-66
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Jido, D. Sekihara, T. Ikeda, Y. Hyodo, T. Kanada-En'yo, Y. Oset Báguena, Eulogio 2010 The nature of Lambda(1405) hyperon resonance in chiral dynamics Nuclear Physics A 835 1-4 59 66
dc.subject Física
dc.title The nature of Lambda(1405) hyperon resonance in chiral dynamics
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-20T11:50:28Z
dc.identifier.doi http://dx.doi.org/10.1016/j.nuclphysa.2010.01.175
dc.identifier.idgrec 061758

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