Standard Model W, Z (+jet) at CMS and ATLAS
Cedric Verstege (for the ATLAS, CMS Collaborations)
TL;DR
This paper reviews recent precision measurements of W and Z boson production at the LHC by ATLAS and CMS, testing the Standard Model and probing QCD and electroweak theories.
Contribution
It presents new multi-differential measurements and analyses that enhance the sensitivity to parton distributions and test theoretical predictions with high precision.
Findings
Measurements agree with Standard Model predictions
Enhanced sensitivity to parton distribution functions
Precise tests of perturbative QCD and electroweak theory
Abstract
Recent measurements of Standard Model W and Z boson production performed by the ATLAS and CMS Collaborations at the CERN Large Hadron Collider are reviewed. These include a search for charged lepton flavour violating decays of Z and Z' bosons, a measurement of W-boson angular coefficients and transverse momentum distributions, a triple-differential measurement of Z+jet production, and a study of the jet mass in boosted hadronic W boson decays with an extraction of the W boson mass. Together, these results highlight the role of precision measurements as stringent tests of perturbative quantum chromodynamics and electroweak theory. The large Run 2 dataset enables multi-differential measurements with enhanced sensitivity to parton distribution functions and increasingly precise tests of theoretical predictions.
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