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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.citation	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.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.subject	Física
dc.title	The nature of Lambda(1405) hyperon resonance in chiral dynamics
dc.type	journal article	es_ES
dc.date.updated	2015-08-20T11:50:28Z
dc.identifier.doi	10.1016/j.nuclphysa.2010.01.175
dc.identifier.idgrec	061758
dc.rights.accessRights	open access	es_ES