Contributor info: Mr Javier Del Riego Badas

Javier del Riego Badas, on behalf of the CMS collaboration

SciPost Phys. Proc. 18, 003 (2026) · published 29 January 2026 | Toggle abstract · pdf

This contribution presents recent cross section measurements for top quark pair production ($\mathrm{t\bar{t}}$) and single top quark production in association with a W boson (tW) in proton-proton collisions with the CMS experiment at LHC. For $\mathrm{t\bar{t}}$ production, data from 2017 at a center-of-mass (CM) energy of 5.02 TeV with an integrated luminosity of 302 pb$^{-1}$ were analyzed, with a measured inclusive cross section of $62.3 ± 1.5 \mathrm{(stat)} ± 2.4 \mathrm{(syst)} ± 1.2 \mathrm{(lumi)}$ pb, consistent with Standard Model (SM) predictions. The tW measurement was performed using data from 2022 with an integrated luminosity of 34.7 fb$^{-1}$ at a CM energy of 13.6 TeV, yielding a cross section of $82.3 ± 2.1 \mathrm{(stat)} ^{+9.9}_{-9.7} \mathrm{(syst)} ± 3.3 \mathrm{(lumi)}$ pb, in agreement with SM predictions. It includes also differential cross sections which are in good agreement with next-to-leading order in perturbative quantum chromodynamics.