arxiv ref: 1408.5243Title: W+W- production at hadron colliders in NNLO QCDAuthors: T. Gehrmann, M. Grazzini, S. Kallweit, P. Maierhoefer, A. von Manteuffel, S. Pozzorini, D. Rathlev, L. TancrediNode: ETHSupervisor: GehrmannGrazziniPozzoriniWork Packages: WP2: Predictions and simulations of signal and backgroundMilestones: M2.3.2 Better control of theoretical uncertaintiesM2.3.3 Specialised codes for low multiplicity background processes