Speaker
David Marcus E Marckx
(Ghent University (BE))
Description
In this poster we present the first CMS differential cross section measurements of top quark pair production in association with a W boson (ttW). The measurements are using 138/fb of proton-proton collision data collected between 2016 and 2018 at √s = 13 TeV. We present (normalized) differential cross-sections, which can provide relevant feedback to the modeling community and are important for many ongoing searches in the top and Higgs sector, where ttW modeling remains a leading uncertainty. The results are obtained using maximum likelihood fits which directly account for and constrain backgrounds and systematic uncertainties. The results are compared to state-of-the-art theory predictions with an improved parton shower matching scheme.
Authors
David Marcus E Marckx
(Ghent University (BE))
Hongbo Liao
(Chinese Academy of Sciences (CN))
