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Further study of f0(1710) with the coupled-channel approach and the hadron molecular picture

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The f0(1710) was previously proposed to be dynamically generated state by interactions between vector mesons. We extend the study of f0(1710) by including its coupling to channels of pseudoscalar mesons… Click to show full abstract

The f0(1710) was previously proposed to be dynamically generated state by interactions between vector mesons. We extend the study of f0(1710) by including its coupling to channels of pseudoscalar mesons within coupled-channel approach. The channels involved are K∗K̄∗, ρρ, ωω, φφ, ωφ, ππ,KK̄, ηη. We show that the pole assigned to f0(1710) does not change much. Then we calculate the partial decay widths of f0(1710) → K∗K̄∗ → ππ,KK̄, ηη as the coupled channel dynamically generated state as well as assuming it to be pure K∗K̄∗ molecule. In both cases the ratios of partial decay widths agree fairly with that in PDG.

Keywords: coupled channel; 1710 coupled; study 1710; channel approach

Journal Title: Physical Review D
Year Published: 2021

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