Diquark-diquark correlations in the S-1(0)Lambda Lambda potential
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Diquark-diquark correlations in the S-1(0)Lambda Lambda potential

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Diquark-diquark correlations in the S-1(0)Lambda Lambda potential

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dc.contributor.author Fernández Caramés, Teresa
dc.contributor.author Valcarce Mejía, Alfredo
dc.contributor.author González Marhuenda, Pedro
dc.date.accessioned 2015-03-24T09:09:27Z
dc.date.available 2015-03-24T09:09:27Z
dc.date.issued 2005
dc.identifier.uri http://hdl.handle.net/10550/42824
dc.description.abstract We derive a ΛΛ potential from a chiral constituent quark model that has been successful in describing one, two and three nonstrange baryon systems. The resulting interaction at low energy is attractive at all distances due to the σ exchange term. The attraction allows for a slightly bound state just below the ΛΛ threshold. No short-range repulsive core is found. We extract the diquark-diquark contribution that turns out to be the most attractive and probable at small distances. At large distances the asymptotic behavior of the ΛΛ interaction provides a prediction for the σΛΛ coupling constant.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2005, vol. 72, num. 5, p. 054008-054014
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Fernández Caramés, Teresa Valcarce Mejía, Alfredo González Marhuenda, Pedro 2005 Diquark-diquark correlations in the S-1(0)Lambda Lambda potential Physical Review D 72 5 054008 054014
dc.subject Física
dc.title Diquark-diquark correlations in the S-1(0)Lambda Lambda potential
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-03-24T09:09:27Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.72.054008
dc.identifier.idgrec 024380

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