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Search for anomalous top quark couplings with the D0 detector

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Article number092002
<mark>Journal publication date</mark>4/03/2009
<mark>Journal</mark>Physical review letters
Issue number9
Number of pages7
Publication StatusPublished
<mark>Original language</mark>English


Anomalous Wtb couplings modify the angular correlations of the top quark decay products and change the single top quark production cross section. We present limits on anomalous top quark couplings by combining information from W boson helicity measurements in top quark decays and anomalous coupling searches in the single top quark final state. We set limits on right-handed vector couplings as well as left-handed and right-handed tensor couplings based on about 1fb^-1 of data collected by the D0 experiment.

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© 2009 The American Physical Society submitted to Phys. Rev. Letters