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$K_{l4}$ at two-loops and CHPT predictions for $\pi\pi$-scattering

Abstract : We present the results from our two-loop calculations of masses, decay-constants, vacuum-expectation-values and the $K_{\ell4}$ form-factors in three-flavour Chiral Perturbation Theory (CHPT). We use this to fit the $L_i^r$ to two-loops and discuss the ensuing predictions for $\pi\pi$-threshold parameters.
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http://hal.in2p3.fr/in2p3-00007163
Contributor : Suzanne Robert <>
Submitted on : Wednesday, December 6, 2000 - 10:45:33 AM
Last modification on : Wednesday, September 16, 2020 - 4:00:48 PM

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G. Amoros, J. Bijnens, P. Talavera. $K_{l4}$ at two-loops and CHPT predictions for $\pi\pi$-scattering. Workshop on Chiral Dynamics 3 Chiral Dynamics 2000 on Theory and Experiment, Jul 2000, Newport News, United States. pp.2. ⟨in2p3-00007163⟩

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