Weak decay of Lambda(+)(c) for the study of Lambda(1405) and Lambda(1670)
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Weak decay of Lambda(+)(c) for the study of Lambda(1405) and Lambda(1670)

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Weak decay of Lambda(+)(c) for the study of Lambda(1405) and Lambda(1670)

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dc.contributor.author Miyahara, K.
dc.contributor.author Hyodo, T.
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2016-11-16T08:57:03Z
dc.date.available 2016-11-16T08:57:03Z
dc.date.issued 2015
dc.identifier.uri http://hdl.handle.net/10550/55948
dc.description.abstract We study the Lambda(c) decay process to pi(+) and the meson-baryon final state for the analysis of Lambda resonances. Considering the Cabibbo-Kobayashi-Maskawamatrix, color suppression, diquark correlation, and the kinematical condition, we show that the final meson-baryon state should be in a pure I = 0 combination, when the meson-baryon invariantmass is small. Because the I = 1 contamination usually makes it difficult to analyze Lambda resonances directly from experiments, the Lambda(c) decay is an ideal process to study Lambda resonances. Calculating the final-state interaction by chiral unitary approaches, we find that the pi Sigma invariant mass distributions have the same peak structure in the all charge combination of the pi Sigma states related to the higher pole of the two poles of the Lambda(1405). Furthermore, we obtain a clear Lambda(1670) peak structure in the (K) over bar N and eta Lambda spectra.
dc.language.iso eng
dc.relation.ispartof Physical Review C, 2015, vol. 92, num. 5, p. 055204 - 1-055204 - 8
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Miyahara, K. Hyodo, T. Oset Báguena, Eulogio 2015 Weak decay of Lambda(+)(c) for the study of Lambda(1405) and Lambda(1670) Physical Review C 92 5 055204 - 1 055204 - 8
dc.subject Física
dc.title Weak decay of Lambda(+)(c) for the study of Lambda(1405) and Lambda(1670)
dc.type info:eu-repo/semantics/article
dc.date.updated 2016-11-16T08:57:03Z
dc.identifier.doi https://doi.org/10.1103/PhysRevC.92.055204
dc.identifier.idgrec 109752

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