Abstract
We have investigated the prototype of [Formula: see text]-nuclear systems, ppK−, with a realistic NN potential and effective local [Formula: see text] potentials based on chiral SU (3) dynamics. Including estimates of theoretical uncertainties, we find that ppK− is not deeply bound, with a total binding energy = 19 ± 3 MeV and mesonic decay width between about 40 and 70 MeV. The [Formula: see text] component in the ppK− compound is of a similar structure as the [Formula: see text] two-body quasibound state embedded in the πΣ continuum.
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