Abstract
An overview of the properties of the top quark measured with the ATLAS and CMS detectors at the LHC and with the CDF and D0 detectors at the Tevatron is presented. The latest and most precise measurements are shown, giving special emphasis to the top quark mass determinations. Measurements of the b -jet content in the top quark decay products and the W polarisation, as well as a search for flavour changing neutral current processes in top quark decays are also reviewed.
Highlights
The top quark is the heaviest known fundamental particle, leading to important theoretical and experimental implications
The large top quark mass implies a large coupling to the Higgs boson and raises the possibility that it plays a special role in the mechanism of electroweak symmetry breaking
It implies that the top quark decays rapidly through electroweak interactions before it can form a hadronic bound state, which provides the unique opportunity to study the properties from distributions of its decay products
Summary
The top quark is the heaviest known fundamental particle, leading to important theoretical and experimental implications. The large top quark mass implies a large coupling to the Higgs boson and raises the possibility that it plays a special role in the mechanism of electroweak symmetry breaking. It implies that the top quark decays rapidly through electroweak interactions before it can form a hadronic bound state, which provides the unique opportunity to study the properties from distributions of its decay products. It is essential to measure with high precision top quark properties and confront them with the Standard Model (SM) predictions
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