Parameter-Free Regularization of One-Loop Unitary Dual Diagram
A. Neveu, Joël Scherk · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 1970
We propose a parameter-free regularization of the one-loop planar unitary dual diagram, very similar to the renormalization in quantum field theory, compatible with duality, Regge behavior, unitarity, and crossing symmetry.