Way better, thanks! Didn't know there was a Latex interface here... Although for the decay rate it's
\Gamma (\rho \to \pi \pi) = \frac{f_{\rho \pi \pi}^2 }{ 48 \pi } m_\rho [1- 4 m_\pi^2/m_\rho^2]^{3/2}.
sorry for the misunderstanding.
Any ideas?
Hello everyone,
I'm using the chiral perturbation theory for mesons to calculate Vector into two Pseudoscalars decay rates - hopefully to be able to calculate Tensor into two pseudoscalars decay rates later on.
I've got the lagrangien for the \rho \to \pi \pi decay rate :
L= f_{\rho...