Sala Seminarios IFIC (Edf. Institutos de Investigación)
Sala Seminarios IFIC
Edf. Institutos de Investigación
Descripción
Several new methods for the calculation of QCD scattering amplitudes have been developed in the past years, for instance a new diagrammatic expansion by Cachazo, Svrcek and Witten and recursice methods by Britto, Cachazo, Feng and Witten. I review these developments and discuss the extension towards amplitudes with massive particles.