The CDF W-Boson Mass as a Classification Case: Single-Point Offset, Not Accumulation

The CDF II W-boson mass (80433.5 +/- 9.4 MeV) lies 76.5 MeV (6.9 sigma) above the Standard Model expectation and is not reproduced by ATLAS, CMS, LHCb, D0 or LEP. Single-parameter rescues are priced (oblique S/T/U, top mass, Delta alpha_had) and the pull structure of the six published measurements is computed. Verdict: a single-point offset, not an accumulation; every single-parameter rescue is already excluded by independent measurements.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-10
DOI
https://doi.org/10.5281/zenodo.24110457
Primary Topic
Particle physics theoretical and experimental studies
Type
article
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article

The CDF W-Boson Mass as a Classification Case: Single-Point Offset, Not Accumulation

William Alexander Aldred
Zenodo (CERN European Organization for Nuclear Research)
Particle physics theoretical and experimental studies
article

The CDF W-Boson Mass as a Classification Case: Single-Point Offset, Not Accumulation

William Alexander Aldred
article en

Abstract

The CDF II W-boson mass (80433.5 +/- 9.4 MeV) lies 76.5 MeV (6.9 sigma) above the Standard Model expectation and is not reproduced by ATLAS, CMS, LHCb, D0 or LEP. Single-parameter rescues are priced (oblique S/T/U, top mass, Delta alpha_had) and the pull structure of the six published measurements is computed. Verdict: a single-point offset, not an accumulation; every single-parameter rescue is already excluded by independent measurements.

Zenodo (CERN European Organization for Nuclear Research)
Particle physics theoretical and experimental studies
DOIOpen Access PDFOpenAlex
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The CDF W-Boson Mass as a Classification Case: Single-Point Offset, Not Accumulation — William Alexander Aldred · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS