English
Related papers

Related papers: Status of the global electroweak fit of the Standa…

200 papers

The purpose of this paper is threefold: a) Check if the rather poor Standard Model (SM) fit to all electroweak data can be improved in its minimal supersymmetric extension (MSSM); b) Check what constraints present electroweak data has on…

High Energy Physics - Phenomenology · Physics 2009-11-10 Wim de Boer , Christian Sander

We perform global fits of the Higgs boson couplings to all the 7 TeV, 8 TeV, and 13 TeV data available up to the Summer 2018. New measurements at 13 TeV extend to include the Higgs signal strengths exclusively measured in associated Higgs…

High Energy Physics - Phenomenology · Physics 2019-10-02 Kingman Cheung , Jae Sik Lee , Po-Yan Tseng

Within the framework of the standard model we observe that there is a significant discrepancy between the most precise $Z$ boson decay asymmetry measurement and the limit from direct searches for Higgs boson production. Using methods…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael S. Chanowitz

We combine results from CDF and DO searches for a standard model Higgs boson in ppbar collisions at the Fermilab Tevatron, at sqrt{s}=1.96 TeV. With 3.0 fb-1 of data analyzed at CDF, and at DO, the 95% C.L. upper limits on Higgs boson…

High Energy Physics - Experiment · Physics 2008-08-06 Tevatron New Phenomena , Higgs working group , CDF Collaboration , D0 Collaboration

The data accumulated so far confirm the Higgs-like nature of the new boson discovered at the LHC. The Standard Model Higgs hypothesis is compatible with the collider results and no significant deviations from the Standard Model have been…

High Energy Physics - Phenomenology · Physics 2013-12-30 Alejandro Celis , Victor Ilisie , Antonio Pich

We study the theoretical correlation between the Higgs mass of the minimal standard model and the scale at which new physics is expected to occur. In addition to the classic constraints of unitarity, triviality and vacuum stability, we…

High Energy Physics - Phenomenology · Physics 2009-10-31 Christopher Kolda , Hitoshi Murayama

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

This paper examines the Higgs particle self-coupling and its implications for electroweak symmetry breaking in the Standard Model. We review the current experimental constraints on the Higgs trilinear coupling and discuss the challenges in…

High Energy Physics - Phenomenology · Physics 2025-03-17 J. W. Moffat

We perform a complete study of flavour and CP conserving electroweak observables in a slight refinement of a recently proposed five--dimensional model on R^4XS^1/Z_2, where the Higgs is the internal component of a gauge field and the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Giuliano Panico , Marco Serone , Andrea Wulzer

The W-mass measurements from LEP and the results of a global fit of the Standard Model parameters to the electroweak data are presented. Comprehensive studies of experimental systematic effects allowed a measurement of the W mass with an…

High Energy Physics - Experiment · Physics 2007-05-23 S. Roth

We study an upper bound on masses of additional scalar bosons from the electroweak precision data and theoretical constraints such as perturbative unitarity and vacuum stability in the two Higgs doublet model taking account of recent Higgs…

High Energy Physics - Phenomenology · Physics 2015-05-30 Shinya Kanemura , Yasuhiro Okada , Hiroyuki Taniguchi , Koji Tsumura

The Electroweak sector of the Standard Model is reviewed and best fits are presented for its free parameters based on currently available experimental tests. The Standard Model remains an excellent descriptions of the available experimental…

High Energy Physics - Experiment · Physics 2009-09-29 Sijbrand de Jong

Two of the nine measurements of $sin^{2}\theta^{lepton}_{eff}$, the effective weak interaction mixing angle, are found to be in significant conflict with the direct search limits for the Standard Model (SM) Higgs boson. Using a scale factor…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael S. Chanowitz

We perform a fit to precise electroweak data to determine the Higgs and top masses. Penalty functions taking into account their production limits are included. We find ${\displaystyle m_H=65^{+245}_{-4}\ GeV}$ and ${\displaystyle…

High Energy Physics - Phenomenology · Physics 2009-10-22 F. del Aguila , M. Martinez , M. Quiros

Recent published and preliminary precision electroweak measurements are reviewed, including new results on the mass of the top quark and mass and width of the W boson. The experimental results are compared with the predictions of the…

High Energy Physics - Experiment · Physics 2007-05-23 Martin W. Grunewald

The status of precision electroweak measurements as of summer 2002 is reviewed. The recent results on the anomalous magnetic moment of the muon and on neutrino-nucleon scattering are discussed. Precision results on the electroweak…

High Energy Physics - Experiment · Physics 2015-06-25 Martin W. Grunewald

We present a class of four-dimensional models, with a non-supersymmetric spectrum, in which the radiative corrections to the Higgs mass are not sensitive, at least at one-loop, to the UV completion of the theory. At one loop, Yukawa…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Falkowski , C. Grojean , S. Pokorski

By running the prospective high-energy e^+ e^- collider TESLA in the GigaZ mode on the Z resonance, experiments can be performed on the basis of more than 10^9 Z events. They will allow the measurement of the effective electroweak mixing…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. Erler , S. Heinemeyer , W. Hollik , G. Weiglein , P. M. Zerwas

We present an overview of the present status and prospects for progress in electroweak measurements at future collider experiments leading to precision tests of the Standard Model of Electroweak Interactions. Special attention is paid to…

High Energy Physics - Phenomenology · Physics 2016-09-06 U. Baur , M. Demarteau

A search for a heavy Standard Model Higgs boson decaying via H->ZZ->llqq, where l=e or mu, is presented. The search uses a data set of pp collisions at sqrt(s) = 7 TeV, corresponding to an integrated luminosity of 4.7 fb^-1 collected in…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration