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| CMS-PAS-SMP-20-004 | ||
| Measurement of W and Z boson inclusive cross sections in proton-proton collisions at $ \sqrt{s}= $ 5.02 and 13 TeV | ||
| CMS Collaboration | ||
| 21 August 2023 | ||
| Abstract: Measurements of total inclusive and fiducial W and Z boson production cross sections in proton-proton collisions at 5.02 TeV and 13 TeV are presented. Electron and muon decay modes are studied in the data collected with the CMS detector in 2017, in dedicated runs with reduced instantaneous luminosity. The data sets correspond to integrated luminosities of 298 $ \pm $ 6 pb$^{-1}$ at 5.02 TeV and 201 $ \pm $ 3 pb$^{-1}$ at 13 TeV. The products of the measured total inclusive cross sections and the branching fractions are $ \sigma(\mathrm{pp} \to \mathrm{W}^{\pm} + \mathrm{X})\mathcal{B}(\mathrm{W}^{\pm} \to \ell^{\pm}\nu ) = $ 7300 $ \pm $ 10 (stat) $\pm$ 30 (syst) $\pm$ 140 (lum) pb, and $ \sigma(\mathrm{pp} \to \mathrm{Z} + \mathrm{X})\mathcal{B}(\mathrm{Z} \to \ell^+\ell^-) = $ 669 $ \pm $ 2 (stat) $\pm$ 6 (syst) $\pm$ 13 (lum) pb for the dilepton invariant mass in the range of 60 to 120 GeV at 5.02 TeV, and correspondingly 21040 $ \pm $ 10 (stat) $\pm$ 180 (syst) $\pm$ 360 (lum) pb and 2006 $ \pm $ 4 (stat) $\pm$ 18 (syst) $\pm$ 33 (lum) pb at 13 TeV. The measured values agree with cross section calculations at next-to-next-to-leading-order in perturbative QCD. Inclusive and fiducial cross sections, ratios of cross sections of W$^{\pm} $ to Z and W$^{+} $ to W$^{-} $, and the double ratios at different center-of-mass energies are reported. | ||
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Links:
CDS record (PDF) ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, Submitted to JHEP. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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