Spinor Helicity Technique and String Reorganization for Multiloop Diagrams
arXiv:hep-ph/9308289 · doi:10.1139/p94-058
Abstract
Methods to apply the spinor helicity technique and string reorganization to multiloop amplitudes using the Feynman- and Schwinger-parameter representations are reviewed and expanded.
41 pages in Plain Tex, plus 6 pages of (fourteen) figures in a postcript file attached to the end of the Tex file; McGill/93-20