Recent top physics results from the D0 experiment

TL;DR

This paper reviews recent experimental measurements of top quark properties by the D0 collaboration, including decay width, CKM matrix element, W boson helicity, anomalous couplings, Lorentz invariance, and production asymmetry, using data from Fermilab Tevatron.

Contribution

It provides the latest experimental results on top quark properties, testing the Standard Model and searching for new physics at the Tevatron collider.

Findings

Measured top quark decay width and CKM element V_{tb}

Set limits on anomalous Wtb couplings and Lorentz invariance violation

Observed top-antitop production asymmetry consistent with Standard Model

Abstract

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 $\sqrt s=1.96 \TeV$.