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We present a search for anomalous components of the quartic gauge bosoncoupling WW{\gamma}{\gamma} in events with an electron, a positron and missingtransverse energy. The analyzed data correspond to 9.7 fb^-1 of integratedluminosity collected by the D0 detector in ppbar collisions at sqrt(s) = 1.96TeV. The presence of anomalous quartic gauge couplings would manifest itself asan excess of boosted WW events. No such excess is found in the data, and we setthe most stringent limits to date on the anomalous coupling parameters a_0^Wand a_C^W. When a form factor with Lambda_cutoff = 0.5 TeV is used, theobserved upper limits at 95 % C.L. are |a_0^W/Lambda^2|< 0.0025 GeV^-2 and|a_C^W/Lambda^2| < 0.0092 GeV^-2.

Search for anomalous quartic WW{\gamma}{\gamma} couplings in dielectron and missing energy final states in ppbar collisions at sqrt(s) = 1.96 TeV