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Related papers: On the implications of positive W mass shift

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Studying the properties of the W boson plays a key role in precision tests of the Standard Model. The key measurements performed over the last decade will be reviewed. W-pair and single-W cross-sections and W decay branching fractions are…

High Energy Physics - Experiment · Physics 2007-05-23 Elisabetta Barberio

A brief review is given of precision electroweak physics, and its implications for establishing the standard model and constraining the possibilities for new physics at the TeV scale and beyond.

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul Langacker

We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework $\textsf{GAMBIT}$. We perform a global analysis of effective field theory (EFT) operators…

We discuss the sensitivities of present-day electroweak precision data to the possible scale of supersymmetry within the constrained minimal supersymmetric extension of the Standard Model (CMSSM). Our analysis is based on M_W, sin^2…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Ellis , S. Heinemeyer , K. A. Olive , G. Weiglein

We uncover two precise interpretations of traditional electroweak fine-tuning (FT) measures that were historically missed. (i) a statistical interpretation: the traditional FT measure shows the change in plausibility of a model in which a…

High Energy Physics - Phenomenology · Physics 2025-01-27 Andrew Fowlie , Gonzalo Herrera

Recent higher-order results for the prediction of the W-boson mass, M_W, within the Standard Model are reviewed and an estimate of the remaining theoretical uncertainties of the electroweak precision observables is given. An updated version…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ayres Freitas , Sven Heinemeyer , Georg Weiglein

We present constraints on Wilson coefficients from a combined fit to data from top-quark and beauty-physics measurements within the Standard Model effective field theory. We consider present data on top-quark pair production and decay,…

High Energy Physics - Phenomenology · Physics 2021-05-13 Stefan Bißmann , Cornelius Grunwald , Gudrun Hiller , Kevin Kröninger

Electroweak precision tests of the Standard Model of the fundamental interactions are reviewed ranging from the lowest to the highest energy experiments. Results from global fits are presented with particular emphasis on the extraction of…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jens Erler

This is a report of the Electroweak Symmetry Breaking and Beyond the Standard Model Working Group which was prepared for the Division of Particles and Fields Committee for Long Term Planning. We study the phenomenology of electroweak…

High Energy Physics - Phenomenology · Physics 2009-09-25 T. Barklow , S. Dawson , H. Haber , J. Siegrist

The Standard Model of particle physics provides a rigorous framework within which processes mediated by electroweak interactions can be calculated with great accuracy. By comparing with high-precision experimental measurements of the same…

High Energy Physics - Phenomenology · Physics 2025-12-08 L. Reina , L. Silvestrini

The stability of the electroweak scale, challenged by the absence of deviations in flavor physics, prompts the consideration of SMEFT scenarios governed by approximate SM flavor symmetries. This study examines microscopic theories that…

High Energy Physics - Phenomenology · Physics 2023-12-15 Admir Greljo , Ajdin Palavrić , Aleks Smolkovič

A new precision measurement of the $W$ boson mass has been announced by the CDF collaboration, which strongly deviates from the Standard Model prediction. In this article, we study the implications of this measurement on the parameter space…

High Energy Physics - Phenomenology · Physics 2022-11-09 Henning Bahl , Wen Han Chiu , Christina Gao , Lian-Tao Wang , Yi-Ming Zhong

The recent precise measurement of the $W$-mass by the CDF II collaboration is indicative of new physics beyond the Standard Model. On the other hand, a resolution of the longstanding muon $g-2$ anomaly also calls for additional dynamics. In…

High Energy Physics - Phenomenology · Physics 2022-06-24 Nabarun Chakrabarty

We analyze the compatibility of the hypothesis of third-family quark-lepton unification at the TeV scale with electroweak precision data, lepton flavor universality tests, and high-$p_T$ constraints. We work within the framework of the UV…

High Energy Physics - Phenomenology · Physics 2025-08-08 Lukas Allwicher , Gino Isidori , Javier M. Lizana , Nudzeim Selimovic , Ben A. Stefanek

Electroweak precision data have been extensively used to constrain models containing physics beyond that of the Standard Model. When the model contains Higgs scalars in representations other than singlets or doublets, and hence rho not…

High Energy Physics - Phenomenology · Physics 2014-11-18 Mu-Chun Chen , Sally Dawson , Tadas Krupovnickas

The CDF collaboration's recent high-precision measurement of the $W$mass is in $7.0~\sigma$ disagreement with the Standard Model expectation. This tension will be relieved if the $W$ boson has a non-trivial right-handed gauge coupling at…

High Energy Physics - Phenomenology · Physics 2022-10-26 She-Sheng Xue

Electroweak precision measurements can provide indirect information about the possible scale of supersymmetry already at the present level of accuracy. We update the present-day sensitivities of precision data using the new experimental…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Ellis , S. Heinemeyer , K. A. Olive , G. Weiglein

We investigate the impact of electroweak corrections and effective field theory operators on $W^+W^-$ production at the Large Hadron Collider (LHC). Utilizing the Standard Model effective-field theory (SMEFT) framework, we extend the…

High Energy Physics - Phenomenology · Physics 2025-02-03 Shankha Banerjee , Daniel Reichelt , Michael Spannowsky

Recent developments in the measurement of precision electroweak measurements are summarised, notably new results on the mass of the top quark and mass and width of the W boson. Predictions of the Standard Model are compared to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin W. Grunewald

We investigate the phenomenology of the dark $Z$ boson, $Z_d$, which is associated with a new Abelian gauge symmetry and couples to the standard model particles via kinetic mixing $\varepsilon$ and mass mixing $\varepsilon_Z^{}$. We examine…

High Energy Physics - Phenomenology · Physics 2023-12-22 Hooman Davoudiasl , Kazuki Enomoto , Hye-Sung Lee , Jiheon Lee , William J. Marciano
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