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- W2142471354 endingPage "3073" @default.
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- W2142471354 abstract "Based on a dispersive approach, we apply the inverse amplitude method to unitarize one-loop SU(2) and SU(3) Chiral Perturbation Theory. Numerically, we find that this unitarization technique yields the correct complex analytic structure in terms of cuts and poles. Indeed, using the chiral parameter estimates obtained from low energy experiments we obtain the poles associated with the rho(770) and K^*(982) resonances. Just by fixing their actual masses we obtain a parametrization of the pi-pi and pi-K phase shifts in eight different channels. With this fit we have then calculated several low-energy phenomenological parameters estimating their errors. Among others, we have obtained the chiral parameters and scattering lengths, which can be relevant for future experiments." @default.
- W2142471354 created "2016-06-24" @default.
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- W2142471354 date "1997-09-01" @default.
- W2142471354 modified "2023-09-30" @default.
- W2142471354 title "Inverse amplitude method in chiral perturbation theory" @default.
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- W2142471354 doi "https://doi.org/10.1103/physrevd.56.3057" @default.
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