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Precision dispersive approaches versus unitarized chiral perturbation theory for the lightest scalar resonances $$\sigma /f_0(500) $$ and $$\kappa /K_0^*(700) $$

Crossref DOI link: https://doi.org/10.1140/epjs/s11734-021-00142-9

Published Online: 2021-06-16

Published Print: 2021-07

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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