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Testing the nature of the Lambda(1520) in the J / psi ---> anti-Lambda K- p and J / psi ---> anti-Lambda pi+ pi- Lambda reactions

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Testing the nature of the Lambda(1520) in the J / psi ---> anti-Lambda K- p and J / psi ---> anti-Lambda pi+ pi- Lambda reactions

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dc.contributor.author Geng, Li Sheng
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Zou, B. S.
dc.date.accessioned 2015-09-07T11:21:02Z
dc.date.available 2015-09-07T11:21:02Z
dc.date.issued 2008
dc.identifier.citation Geng, Li Sheng Oset Báguena, Eulogio Zou, B. S. 2008 Testing the nature of the Lambda(1520) in the J / psi ---> anti-Lambda K- p and J / psi ---> anti-Lambda pi+ pi- Lambda reactions European Physical Journal A 38 2 239 245
dc.identifier.uri http://hdl.handle.net/10550/46886
dc.description.abstract We study the reactions J/ψ→Λ¯K−p and J/ψ→Λ¯π+π−Λ with a unitary chiral approach. We predict the ratio of the invariant mass distributions of these two reactions at the Λ(1520) peak position, which is free of the unknown production mechanism and reflects only the properties of the Λ(1520). An experimental measurement of this ratio will provide the couplings of the Λ(1520) to its decay channels, allowing to test the predictions of the chiral unitary approach on this resonance, which appears as dynamically generated in that approach.
dc.language.iso eng
dc.relation.ispartof European Physical Journal A, 2008, vol. 38, num. 2, p. 239-245
dc.subject Física
dc.title Testing the nature of the Lambda(1520) in the J / psi ---> anti-Lambda K- p and J / psi ---> anti-Lambda pi+ pi- Lambda reactions
dc.type journal article es_ES
dc.date.updated 2015-09-07T11:21:02Z
dc.identifier.doi 10.1140/epja/i2008-10673-7
dc.identifier.idgrec 050054
dc.rights.accessRights open access es_ES

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