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Three-body resonances in two-meson–one-baryon systems
2008
Physical Review C
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We report four Σ's and three Λ's, in the 1500 - 1800 MeV region, as two meson - one baryon S-wave (1/2)^+ resonances. We solve Faddeev equations in the coupled channel approach. The invariant mass of one of the meson-baryon pairs and that of the three particles have been varied and peaks in the squared three body T-matrix have been found very close to the existing S = -1, J^P= 1/2^+ low lying baryon resonances. The input two-body t-matrices for meson-meson and meson-baryon interaction have been
doi:10.1103/physrevc.77.042203
fatcat:oo3oc2ck7nf5vnhxzjlirztrvy