Ascribed as ρρ and K^* K̄^* molecular states, respectively, iso-scalar f₀(1500) and f₀(1710) states are expected to have iso-vector partners, potentially identified as a₀(1450) and a₀(1710). The predicted dominant decay modes for these two a₀ resonances are a₀(1450) → ωππ and a₀(1710) → ωππ,\,φππ. We estimate cross sections for two-photon production of these four resonances within the hadronic molecular picture, and demonstrate that SuperKEKB's luminosity is sufficient for their observation and more precise parameter measurements.
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Yang et al. (2024) studied this question.
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