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- W1615222718 abstract "We review our recent study of the pion mass dependence of the ρ and σ resonances, generated from one-loop SU(2) Chiral Perturbation Theory (ChPT) with the Inverse Amplitude Method (IAM) which was modified to properly account for the Adler zer o. The method is based on analyticity, elastic unitarity and ChPT at low energies, th us yielding the pion mass dependence of the resonance pole positions from the ChPT series up to a given order. We find that the ρππ coupling constant is almost mπ independent and that our prediction compare well with some recent lattice results for the ρ mass. These findings may be relevant for studies of the meson spectrum and form factors on the lattice." @default.
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- W1615222718 date "2009-10-05" @default.
- W1615222718 modified "2023-10-16" @default.
- W1615222718 title "Chiral Extrapolations of light resonances from dispersion relations and Chiral Perturbation Theory" @default.
- W1615222718 doi "https://doi.org/10.22323/1.069.0043" @default.
- W1615222718 hasPublicationYear "2009" @default.
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