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We present a measurement of ppbar->Zgamma->ll+gamma (l = e, mu) productionwith a data sample corresponding to an integrated luminosity of 6.2 fb^{-1}collected by the D0 detector at the Fermilab Tevatron ppbar Collider. Theresults of the electron and muon channels are combined, and we measure thetotal production cross section and the differential cross sectiondsigma/dp_T^gamma, where p_T^gamma is the momentum of the photon in the planetransverse to the beamline. The results obtained are consistent with thestandard model predictions from next-to-leading order calculations. We use thetransverse momentum spectrum of the photon to place limits on anomalous ZZgammaand Zgammagamma couplings.

Zgamma production and limits on anomalous ZZgamma and Zgammagamma couplings in ppbar collisions at sqrt(s)=1.96 TeV