Abstract
Measurements of the production of pairs of gauge bosons by the ATLAS and CMS experiments at the LHC and the CDF and D0 experiments at the Tevatron are summarized. Measured cross-sections are generally consistent with Standard Model predictions calculated at next-to-leading order in QCD. Transverse momentum distributions of bosons or leptons produced in these processs have been used to set limits on anomalous triple gauge boson couplings. Limits on WW and WWZ anomalous couplings are approaching, or exceeding, those derived from measurements at LEP, while those on neutral couplings are an order of magnitude more stringent than limits from LEP. First limits on anomalous quartic gauge boson couplings from the Tevatron and LHC are also presented.
Highlights
Measurements of the production of pairs of gauge bosons in high-energy pp and ppcollisions probe triple gauge boson couplings, and provide a sensitive test of the gauge structure of the Standard Model (SM)
Diboson p√roduction in ppcollisions at a centre-ofmass energy s = 1.96 TeV has been measured by the CDF [3] and D0 [4] experiments at the Tevatron using data samples with an integrated luminosity up to 9.7 fb−1
These are calculated at next-to-leading order (NLO) in QCD
Summary
Measurements of the production of pairs of gauge bosons in high-energy pp and ppcollisions probe triple gauge boson couplings, and provide a sensitive test of the gauge structure of the Standard Model (SM). At the LHC, ATLAS [5] and CMS [6] have made comprehen√sive measurements using ∼5 fb−1 of pp collision data at s = 7 TeV collected in 2011, and first cross-sections have been m√easured using up to 20 fb−1 of integrated luminosity at s = 8 TeV collected in 2012. This talk summarizes these cross-section measurements, and the limits on aTCGs which have been derived from them. First limits from the Tevatron and LHC on anomalous quartic gauge boson couplings are presented
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