Proof of Factorization Using Background Field Method of QCD
arXiv:0905.3923 · doi:10.1016/j.aop.2009.10.012
Abstract
Factorization theorem plays the central role at high energy colliders to study standard model and beyond standard model physics. The proof of factorization theorem is given by Collins, Soper and Sterman to all orders in perturbation theory by using diagrammatic approach. One might wonder if one can obtain the proof of factorization theorem through symmetry considerations at the lagrangian level. In this paper we provide such a proof.
6 pages latex, Annals Phys. (final published version)
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