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Related papers: Refined Analysis of the Electroweak Precision Data

200 papers

The study of electron-positron collisions at LEP, together with additional measurements from other experiments, in particular those at SLC and at the Tevatron, has allowed for tests of the electroweak Standard Model with unprecedented…

High Energy Physics - Phenomenology · Physics 2009-11-10 Guido Altarelli , Martin W. Grunewald

Precision measurements of electroweak observables provide stringent tests of the Standard Model structure and an accurate determination of its parameters. A brief overview of the present experimental status is presented. A more extensive…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Pich

We study the indirect effects of new physics on the phenomenology of the recently discovered "Higgs-like" particle. In a model independent framework these effects can be parametrized in terms of an effective Lagrangian at the electroweak…

High Energy Physics - Phenomenology · Physics 2013-10-29 Tyler Corbett , O. J. P. Eboli , J. Gonzalez-Fraile , M. C. Gonzalez-Garcia

We have examined the evidence for the electroweak radiative corrections in the LEP precision data along with the intriguing possibility that the QED corrections only may be sufficient to fit the data. We find that the situation is very…

High Energy Physics - Phenomenology · Physics 2009-09-25 Kyungsik Kang , Sin Kyu Kang

Electroweak precision data at LEP are used to place bounds on some $\lambda'$-type ($L$-violating) and $\lambda''$-type ($B$-violating) $R$-parity violating supersymmetric Yukawa couplings. We consider one-loop corrections (triangles and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gautam Bhattacharyya

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

A natural solution to the hierachy problem of the standard model is to assume new physics to appear at the TeV scale. We parametrize the effects of this new physics in terms of an effective lagrangian and examine its impacts on electroweak…

High Energy Physics - Phenomenology · Physics 2009-10-22 X. Zhang , B. -L. Young

The leading electroweak MSSM two-loop corrections to the $\rho$-parameter are calculated. They are obtained by evaluating the two-loop self-energies of the Z and the W boson at O(Gf^2 m_t^4) in the limit of heavy scalar quarks. A very…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , G. Weiglein

For the envisioned high precision measurement of the W boson mass at the Tevatron and LHC it is crucial that the theoretical predictions for the W and Z production processes are under control. We briefly summarize the status of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , D. Wackeroth

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results obtained at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

A brief review of electroweak precision data from LEP, SLC, the Tevatron, and low energies is presented. The global fit to all data including the most recent results on the masses of the top quark and the W boson reinforces the preference…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jens Erler

With the discovery of the Higgs boson, the spectrum of particles in the Standard Model (SM) is complete. It is more important than ever to perform precision measurements and to test for deviations from SM predictions in the electroweak…

Our picture of the electroweak interactions continues to improve, with ever more precise constraints on the masses of the Higgs boson(s) and on non-standard physics. Some recent developments include: (a) a calculation of higher-order…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Rosner

We show the computational procedure of the renormalization of the electroweak chiral Lagrangian (the 4D Higgsless standard model), and provide one simplified version of its one-loop renormalization group equations, which we demonstrate its…

High Energy Physics - Phenomenology · Physics 2007-05-23 Qi-Shu Yan

Recent electroweak precision measurements from e+e- and pbarp colliders are presented. Some emphasis is placed on the recent developments in the heavy flavor sector. The measurements are compared to predictions from the Standard Model of…

High Energy Physics - Experiment · Physics 2007-05-23 Marcel Demarteau

We derive the one-loop effective 3-dimensional Lagrangian that describes the high-temperature limit of the electroweak theory, to order $\mathcal{O}(g^6)$ in coupling constants $g$, including corrections due to Matsubara modes of both…

High Energy Physics - Phenomenology · Physics 2026-04-27 Mikael Chala , Guilherme Guedes

This proceeding summarizes recent measurements of electroweak boson and diboson production. The results, based on data from LHC Run 2 at $\sqrt{s}=13\,\mathrm{TeV}$ and Run 3 at $\sqrt{s}=13.6\,\mathrm{TeV}$, probe the Standard Model with…

High Energy Physics - Experiment · Physics 2025-07-16 Francesco Giuli

We update the phenomenology of gauge singlet extensions of the Standard Model scalar sector and their implications for the electroweak phase transition. Considering the introduction of one real scalar singlet to the scalar potential, we…

High Energy Physics - Phenomenology · Physics 2015-03-05 Stefano Profumo , Michael J. Ramsey-Musolf , Carroll L. Wainwright , Peter Winslow

New physics beyond the standard model (SM) can be model-independently formulated via dimension-6 effective operators, whose coefficients (cutoffs) characterize the scales of new physics. We study the probe of new physics scales from the…

High Energy Physics - Phenomenology · Physics 2016-10-07 Shao-Feng Ge , Hong-Jian He , Rui-Qing Xiao
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