%0 Journal Article
%T A Parametrization for $K^+\to ¦Ð^+¦Ð^- e^+¦Í$
%A Gabriel Amoros
%A Johan Bijnens
%J Physics
%D 1999
%I arXiv
%R 10.1088/0954-3899/25/8/305
%X We discuss various models and Chiral Perturbation Theory results for the $K_{l4}$ form factors $F$ and $G$. We check in how much a simple parametrization with a few parameters can be used to extract information from experiment.
%U http://arxiv.org/abs/hep-ph/9902463v1