Journal
PHYSICAL REVIEW D
Volume 96, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.96.073003
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Funding
- United States Department of Energy [DE-SC0012704]
- University of Kansas [2302091]
- Kepler Center of the University of Tubingen
- German Research Foundation (DFG) [JA 1954/1]
- State of Baden-Wurttemberg through Baden-Wurttemberg High Performance Computing (bwHPC)
- DFG [INST 39/963-1 FUGG]
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We study the impact of anomalous gauge boson and fermion couplings on the production of W(+)W(-)pairs at the LHC. Helicity amplitudes are presented separately to demonstrate the sources of new physics contributions and the impact of QCD and electroweak corrections. The QCD corrections have important effects on the fits to anomalous couplings, in particular when one W boson is longitudinally polarized and the other is transversely polarized. In effective field theory language, we demonstrate that the dimension-6 approximation to constraining new physics effects in W+W- pair production fails at p(T) similar to 500-1000 GeV.
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