Oleg Brandt, on behalf of the D0 collaboration
We review recent measurements of the properties of the top quark by the D0 experiment: the decay width of the top quark, the CKM matrix element $V_{tb}$, the helicity of the $W$ boson, anomalous couplings at the $Wtb$ vertex, violation of invariance under Lorentz transformations, and the asymmetry of $\ttbar$ production due to the strong colour charge. The measurements are performed using data samples of up to 5.4 \fb\ acquired by the D0 experiment in Run II of the Fermilab Tevatron $p\bar p$ collider at a centre-of-mass energy of $\sqrt s=1.96 \TeV$.
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http://arxiv.org/abs/1209.4364
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