Resonance energy of the barKNN-piYN system

Abstract

The resonance energies of strange dibaryons are investigated with the use of the \bar{K}NN-πY N coupled-channels Faddeev equation. It is found that the pole positions of the predicted three-body amplitudes are significantly modified when the three-body coupled-channels dynamics is approximated, as is done in the literature, by the effective two-body \bar{K}N interactions.

14 pages, 5 figures

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• pK+Λfinal state: towards the extraction of the ppK- contribution
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• Construction of a local barK N-pi Sigma-pi Lambda potential and composition of the Lambda(1405)
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• Improved Fixed Center Approximation of the Faddeev equations for the $\bar{K}NN$ system with S=0
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• $K^{-}d\to \pi \Sigma n$ reactions and structure of the $\Lambda (1405)$
• Recent results and future prospects of kaonic nuclei at J-PARC
• Antikaon-nucleus dynamics: from quasibound states to kaon condensation
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• Possible Existence of ${}_{\varphi }^3$H, ${}_{\varphi }^4$H, ${}_{\varphi }^4$He, and ${}_{\varphi }^5$He Nuclei