Error estimates for pi pi scattering threshold parameters in chiral perturbation theory to two loops
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Error estimates for pi pi scattering threshold parameters in chiral perturbation theory to two loops

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Error estimates for pi pi scattering threshold parameters in chiral perturbation theory to two loops

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Nieves Pamplona, Juan Miguel; Ruiz Arriola, Enrique
This document is a artículoDate2000

Este documento está disponible también en : http://hdl.handle.net/10550/39240
Using the analysis of ChPT to two loops, we perform an error analysis of the threshold and low-energy parameters, based on the uncertainties for the one-loop low-energy parameters and the resonance saturation mechanism. Different sets of one-loop low-energy constants have been considered. Thus, the predictive power of the effective field theory, is quantified on the basis of the present experimental uncertainties.

    Nieves Pamplona, Juan Miguel Ruiz Arriola, Enrique 2000 Error estimates for pi pi scattering threshold parameters in chiral perturbation theory to two loops European Physical Journal A 8 3 377 384
http://dx.doi.org/10.1007/s10050-000-4511-0

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