Top quark mass measurements from the CMS experiment at the LHC. The talk will present an overview of the current status of the results from the lepton+jets, dilepton and all-jets channels.
The top quark is unique among the known quarks in that it
decays before it has an opportunity to form hadronic bound
states. This makes measurements of its properties particularly
interesting as one can access directly the properties of a bare
quark. The latest measurements of these properties are
presented. Measurements of the charge asymmetry in top-quark pair,
which probe models of...
The complex pole mass of the top quark is presented at full two-loop order in the Standard Model, augmenting the known four-loop QCD contributions. The input parameters are the MS-bar Yukawa and gauge couplings, the Higgs self-coupling, and the Higgs vacuum expectation value (VEV). Here, the VEV is defined as the minimum of the full effective potential in Landau gauge, so that tadpoles vanish....
see summary/abstract.
This talk is on behalf of the ATLAS Collaboration.
We will review the latest results from CMS at 13 TeV measuring the production cross section of top pairs and single top.
Abstract.
Measurements of single top-quark production in proton-proton collisions are presented at a centre-of-mass energy of $8\,$TeV and $13\,$TeV. A measurement of the cross-section where a W boson is exchanged in the $t$-channel is discussed and the results for the inclusive production cross-section are presented. A measurement of the production cross-section of a single top quark in...
The abundance of top-quarks at the LHC allows us to test subtle features such as the charge asymmetry in heavy-quark pair production. A promising observable of this fundamental property of QCD is the top-antitop energy asymmetry in jet-associated top-pair production. I will present new predictions of the energy asymmetry beyond the leading order and venture an outlook on the discovery...
I will present some recent progresses and ongoing efforts in developing the SM EFT to next-to-leading order (NLO) accuracy, with a focus on operators involving the top-quark and the Higgs boson fields. Apart from total rate, NLO results matched to the parton shower simulation are also available, allowing for event generation to be directly employed in experimental analyses. Loop-induced...
