Name: rolf_at_HIDDEN-E-MAIL Date: 07/09/06-05:14:37 PM Z
Hi,
well …, do you really need open color lines?
Usually color indices are contracted, so that a calculation will give a
color factor.
Maybe it better to calculate color factors separately.
I did have some trougle implementing SU(N)xSU(2), i.e., it is non-trivial to mimick SUNT’s and DiracGamma’s with the same