Name: sumit Date: 08/26/10-08:49:38 AM Z


Dear All

I am doing one scattering calculation by trace method. I need to define two index antisymmetric Lorentz tensor(\theta_{\mu \nu}. where \mu,\nu..1..4) in my code.

I am not able to figure out how one can do it in feyncalc…Please help!!

thanks