We present a search for CP violation in single top quark production with the DØexperiment at the Tevatron proton-antiproton collider. CP violation in the top electroweakinteraction results in different single top quark production cross sections fortop and antitop quarks. We perform the search in the single top quark final stateusing 5.4 fb−1 of data, in the s-channel, t-channel, and for both combined. At thistime, we do not see an observable CP asymmetry.
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