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Related papers: $W$-Boson Mass, Electroweak Precision Tests and SM…

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The W Mass determination at the Tevatron CDF experiment reported a deviation from the SM expectation at 7$\sigma$ level. We discuss a few possible interpretations and their collider implications. We perform electroweak global fits under…

High Energy Physics - Phenomenology · Physics 2022-12-07 Jiayin Gu , Zhen Liu , Teng Ma , Jing Shu

The $W$ boson mass is one of the most important electroweak precision observables for testing the Standard Model or its extensions. The very recent measured $W$ boson mass at CDF shows about $7\sigma$ deviations from the SM prediction,…

High Energy Physics - Phenomenology · Physics 2022-09-14 Chih-Ting Lu , Lei Wu , Yongcheng Wu , Bin Zhu

We use the Fitmaker tool to incorporate the recent CDF measurement of $m_W$ in a global fit to electroweak, Higgs, and diboson data in the Standard Model Effective Field Theory (SMEFT) including dimension-6 operators at linear order. We…

High Energy Physics - Phenomenology · Physics 2022-09-21 Emanuele Bagnaschi , John Ellis , Maeve Madigan , Ken Mimasu , Veronica Sanz , Tevong You

The new measurement of the $W$-boson mass from the CDF collaboration shows a significant tension with the Standard Model prediction. We quantify this discrepancy within a state-of-the-art analysis of electroweak precision data and…

High Energy Physics - Phenomenology · Physics 2022-08-17 Ayan Paul , Mauro Valli

Constraints on Wilson coefficients (WCs) corresponding to dimension-six operators of the standard model effective field theory (SMEFT) are determined from a simultaneous fit to seven sets of CMS measurements probing Higgs boson, electroweak…

High Energy Physics - Experiment · Physics 2026-04-06 CMS Collaboration

The CDF collaboration recently reported a new precise measurement of the $W$ boson mass $M_W$ with a central value significantly larger than the SM prediction. We explore the effects of including this new measurement on a fit of the…

High Energy Physics - Phenomenology · Physics 2022-04-12 Pouya Asadi , Cari Cesarotti , Katherine Fraser , Samuel Homiller , Aditya Parikh

Recently the CDF Collaboration has announced a new precise measurement of the $W$-boson mass $M_W$ that deviates from the Standard Model (SM) prediction by $7\sigma$. The discrepancy in $M_W$ is about $\Delta_W\simeq70$ MeV and probably…

High Energy Physics - Phenomenology · Physics 2022-11-29 S. S. Afonin

We suggest an appealing strategy to probe a large class of scenarios beyond the Standard Model simultaneously explaining the recent CDF II measurement of the $W$ boson mass and predicting first-order phase transitions (FOPT) testable in…

High Energy Physics - Phenomenology · Physics 2023-03-14 Andrea Addazi , Antonino Marciano , António P. Morais , Roman Pasechnik , Hao Yang

The precise measurement of physics observables and the test of their consistency within the standard model (SM) are an invaluable approach, complemented by direct searches for new particles, to determine the existence of physics beyond the…

The CDF collaboration has recently published a precision measurement of the W-boson mass that differs from the Standard Model prediction by seven standard deviations. This result can be explained with additional electroweak multiplets that…

High Energy Physics - Phenomenology · Physics 2022-07-08 Julian Heeck

Measurements of the $W^\pm$ mass ($m_W$) provide an important consistency check of the Standard Model (SM) and constrain the possibility of physics beyond the SM. Precision measurements of $m_W$ at hadron colliders are inferred from…

High Energy Physics - Phenomenology · Physics 2016-10-07 Mikkel Bjørn , Michael Trott

This paper presents a computer code for analyzing electroweak precision data (EWPD) in the framework of the Standard Model Effective Field Theory (SMEFT), highlights the importance of recent ATLAS and CMS precision measurements, and…

High Energy Physics - Phenomenology · Physics 2026-05-14 Hannes Mildner

We investigate the phenomenological implications of the recent $W$ mass measurement by the CDF collaboration, which exhibits tension with the standard model (SM) electroweak fit. Performing the fit to the electroweak observables within the…

High Energy Physics - Phenomenology · Physics 2022-06-08 Reuven Balkin , Eric Madge , Tony Menzo , Gilad Perez , Yotam Soreq , Jure Zupan

Heavy neutral gauge bosons arise in many motivated models of Beyond the Standard Model Physics. Experimental searches require that such gauge bosons are above the TeV scale in most models which means that the tools of effective field…

High Energy Physics - Phenomenology · Physics 2024-07-25 Sally Dawson , Matthew Forslund , Marvin Schnubel

Colliders continue to push our understanding of electroweak (EW) interactions to ever higher energies. At high energies, many observables in the broken EW theory are expected to approach the unbroken theory. This is the electroweak…

High Energy Physics - Phenomenology · Physics 2026-05-12 Ian M. Lewis , Zhen Liu , Ishmam Mahbub

The recent measurement of the $W$ boson mass by the CDF II collaboration exhibits a significant tension with the Standard Model (SM) prediction and other experimental determinations. In this work, we investigate the implications of this…

High Energy Physics - Phenomenology · Physics 2026-04-07 Hindi Zouhair

With no direct evidence for new physics at the TeV scale, deviations from the Standard Model (SM) can be explored systematically through Effective Field Theories (EFTs) such as the Standard Model EFT (SMEFT). SMEFT extends the SM by…

High Energy Physics - Experiment · Physics 2026-02-04 Dongwon Kim

The Standard Model Effective Field Theory (SMEFT) provides a powerful theoretical framework for searching for subtle deviations from the Standard Model. In this talk, we present the results from a global fit of the dimension-6 operators of…

High Energy Physics - Phenomenology · Physics 2022-12-02 Maeve Madigan

Electroweak precision observables, being highly sensitive to loop contributions of new physics, provide a powerful tool to test the theory and to discriminate between different models of the underlying physics. In that context, the $W$…

High Energy Physics - Phenomenology · Physics 2015-10-28 Oscar Stål , Georg Weiglein , Lisa Zeune

We discuss the experimental and theoretical uncertainties on precision electroweak observables and their relationship to the indirect constraints on the Higgs-boson mass, $\MH$, in the Standard Model (SM). The critical experimental…

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