Form factors of the Kmu3 decay in the spectator approximation of the Standard Model
arXiv:hep-ph/0510169
Abstract
We have calculated the parameter Ksi(0)=f-(0)/f+(0) of the Kmu3 decay in the spectator approximation of the Standard Model. It was obtained that Ksi(0) ~ -0.02.
5 pages, 2 figures