First measurement of tW production cross-section at $\sqrt{s}$~= 13 TeV with CMS

Abstract

The inclusive cross-section for tW production in proton-proton collisions at $\sqrt{s}=13$ TeV is measured for an integrated luminosity of 35.9 fb${}^{-1}$ collected by the CMS experiment. The measurement is performed using events with one electron and one muon in the final state and at least one b-quark jet, and utilises kinematic differences between the signal and the dominating $t\bar{t}$ background using multivariant discriminants which is designed to disentangle the two processes. The measured cross-section of $\sigma =63.1\pm 1.8(\mathrm{stat})\pm 6.4(\mathrm{syst})\pm 2.1(\mathrm{lumi})$ pb is observed to be in agreement with the Standard Model.

5 pages, 3 figures, This conference proceeding is based on the poster presented at International Workshop on Top Quark Physics, Bad Neuenahr, Germany, September 16--21, 2018

References in corpus (1)

• Single-top hadroproduction in association with a W boson