Standard Model W, Z (+jet) at CMS and ATLAS
Pith reviewed 2026-05-10 09:17 UTC · model grok-4.3
The pith
Precision measurements of W and Z boson production at the LHC stringently test perturbative QCD and electroweak theory.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
The collection of these measurements shows that precision W and Z production data act as stringent tests of perturbative quantum chromodynamics and electroweak theory, with the large Run 2 dataset enabling multi-differential studies that gain sensitivity to parton distribution functions and allow increasingly precise comparisons to theory.
What carries the argument
Multi-differential cross-section measurements and direct comparisons to perturbative QCD and electroweak predictions, including angular distributions, jet mass reconstructions, and boosted W decays.
Load-bearing premise
The individual experimental measurements from ATLAS and CMS are free of unaccounted systematic biases and the perturbative QCD and electroweak predictions are sufficiently accurate at the achieved precision.
What would settle it
A statistically significant mismatch between the measured angular coefficients or the W mass extracted from boosted jet mass and the corresponding theoretical predictions or world-average value, beyond combined experimental and theoretical uncertainties.
read the original 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.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript reviews recent ATLAS and CMS measurements of Standard Model W and Z boson production at the LHC. It covers a search for charged lepton flavour violating decays of Z and Z' bosons, W-boson angular coefficients and transverse momentum distributions, a triple-differential Z+jet measurement, and jet mass studies in boosted hadronic W decays with an extraction of the W boson mass. The central claim is that these results, enabled by the large Run 2 dataset, highlight the role of precision multi-differential measurements as stringent tests of perturbative QCD and electroweak theory with enhanced sensitivity to parton distribution functions.
Significance. If the summaries of the published results are accurate, the review provides a useful synthesis of precision electroweak measurements. It correctly emphasizes how angular observables, multi-differential distributions, and boosted decay studies constrain PDFs and test theoretical predictions at the level achieved with Run 2 data. The compilation itself is a strength as a reference, though the paper performs no new combinations, re-analyses, or theoretical calculations.
minor comments (1)
- The review would benefit from a summary table (perhaps in the conclusions or an appendix) listing the key observables, their quoted precisions, and the main theoretical comparisons or PDF sensitivities for each measurement discussed.
Simulated Author's Rebuttal
We thank the referee for the positive assessment of our review on recent ATLAS and CMS measurements of Standard Model W and Z boson production. The referee correctly identifies the manuscript as a synthesis of published results without new combinations or calculations, consistent with its scope as a review article. We note the recommendation for minor revision and will incorporate any minor suggestions in the updated version.
Circularity Check
No significant circularity: review of external measurements
full rationale
This is a review paper that collates and summarizes already-published ATLAS and CMS measurements of W/Z production, angular coefficients, Z+jet, and boosted W decays. No new theoretical derivations, parameter fits, predictions, or quantitative combinations are performed inside the manuscript. The central claim—that the results test pQCD and EW theory—rests entirely on the validity of the cited external publications rather than on any internal chain of equations or self-referential steps. No self-definitional, fitted-input, or self-citation-load-bearing reductions exist.
Axiom & Free-Parameter Ledger
Reference graph
Works this paper leans on
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[1]
The ATLAS experiment at the CERN Large Hadron Collider
ATLAS Collaboration. The ATLAS experiment at the CERN Large Hadron Collider. JINST, 3:S08003, 2008
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[2]
The CMS experiment at the CERN LHC.JINST, 3:S08004, 2008
CMS Collaboration. The CMS experiment at the CERN LHC.JINST, 3:S08004, 2008
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Development of the CMS detector for the CERN LHC Run 3.JINST, 19:P05064, 2024
CMS Collaboration. Development of the CMS detector for the CERN LHC Run 3.JINST, 19:P05064, 2024
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Search for charged lepton flavor violating Z and Z’ boson decays in proton-proton collisions at √s= 13 TeV.Phys
CMS Collaboration. Search for charged lepton flavor violating Z and Z’ boson decays in proton-proton collisions at √s= 13 TeV.Phys. Rev.D, 112:112011, 2025
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[5]
ATLAS Collaboration. Measurement of the W-boson angular coefficients and transverse momentum in pp collisions at √s= 13 TeV with the ATLAS detector. Submitted to EPJC, 2025.https://arxiv.org/abs/2509.13759
work page internal anchor Pith review Pith/arXiv arXiv 2025
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[6]
Triple-differential measurement of Z+jet production in proton-proton collisions at √s= 13 TeV
CMS Collaboration. Triple-differential measurement of Z+jet production in proton-proton collisions at √s= 13 TeV. CMS Physics Analysis Summary CMS-PAS-SMP-24-010, 2026. https://cds.cern.ch/record/2955688
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[7]
CMS Collaboration. Measurement of the jet mass in hadronic decays of boosted W bosons at 13 TeV and extraction of the W boson mass. Submitted toJHEP, 2026.https: //arxiv.org/abs/2603.19963
discussion (0)
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