Left and right handedness of fermions and bosons

It is shown, by using Grassmann space to describe the internal degrees of freedom of fermions and bosons, that the Weyl like equation exists not only for massless fermions but also for massless gauge bosons. The corresponding states have well defined helicity and handedness. It is shown that spinors and gauge bosons of the same handedness only interact.Comment: 18 pages, LaTeX, no figures, typographical errors corrected and a few sentences added to clarify some issue