A Parametrization for $K^+\to π^+π^- e^+ν$
Abstract
Description
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.
19 pages, 14 figures
19 pages, 14 figures