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Related papers: Electroweak Measurements and Top Quark Mass Limits

200 papers

Several different effects in electroweak quantum corrections are explored separately through the latest data on the weak-boson masses. The leading-log approximation, the improved-Born approximation and the non-decoupling top-quark effects…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zenrō Hioki

Precise determinations of the masses of the $W$ boson and of the top quark could stringently test the radiative structure of the Standard Model (SM) or provide evidence for new physics. We analyze the excellent prospects at a muon collider…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , M. S. Berger , J. F. Gunion , T. Han

The status of published and preliminary precision electroweak measurements as of winter 2002/03 is presented. The new results on the mass of the W boson as measured at LEP-2 and on atomic parity violation in Caesium are included. The…

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

I review constraints on the Standard Model (SM) Higgs boson from high energy electroweak (EW) precision data. The same data set also strongly limits various mixing effects of hypothetical extra neutral gauge bosons (Z') with the ordinary Z.…

High Energy Physics - Phenomenology · Physics 2009-07-07 Jens Erler

Internal consistency of the most sensitive electroweak measurements within the standard model framework is examined. Confirming an earlier observation on the separation of Z-pole asymmetry measurements into {\em hadronisation- free}and {\em…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Aziz , A. Gurtu

(Report of the Top Physics working group at the 1996 DPF/DPB Snowmass workshop, to appear in the proceedings). We discuss the study of the top quark at future experiments and machines. Top's large mass makes it a unique probe of physics at…

High Energy Physics - Phenomenology · Physics 2009-02-20 Raymond Frey , David Gerdes , John Jaros , Steve Vejcik

The Large Hadron Collider is an ideal place for precision measurements of the properties of the electroweak gauge bosons W^\pm, Z^0, as well as of the top quark. In this article, a few highlights of the prospects for performing such…

High Energy Physics - Experiment · Physics 2007-06-21 F. -P. Schilling

Theory results on precision measurements in electron-positron annihilation at low and high energies are collected. These cover pure QCD calculations as well as mixed electroweak and QCD results, involving light and heavy quarks. The impact…

High Energy Physics - Phenomenology · Physics 2016-07-29 Konstantin Chetyrkin , Johann H. Kühn

Precise measurements of Z-boson parameters and W-boson and t-quark masses put strong constraints on non SU(2) * U(1) singlet New Physics. We demonstrate that one extra generation passes electroweak constraints even when all new particle…

High Energy Physics - Phenomenology · Physics 2009-10-26 M. I. Vysotsky

The impact of the new experimental data from LEP, SLC and CDF on the top quark mass and the Higgs boson mass is investigated. The determinations of m_{top} and of an upper bound on m_{Higgs} are given, taking into account the experimental…

High Energy Physics - Phenomenology · Physics 2009-09-25 Guido Montagna , Oreste Nicrosini , Giampiero Passarino , Fulvio Piccinini

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

The present status of higher-order results in the electroweak theory is summarised, with particular emphasis on recent two-loop results for the prediction of the W-boson mass in the Standard Model and leading three-loop corrections to the…

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Weiglein

The mechanism of the electroweak symmetry-breaking (EWSB) is studied in the context of the heavy top quark, whose large mass may provide a clue as to the mechanism which generates the mass of the $W^\pm$ and $Z$ bosons. As a result, it…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tim M. P. Tait

Limits on the Higgs boson mass restrict CKM mixing of a possible fourth family beyond the constraints previously obtained from precision electroweak data alone. Existing experimental and theoretical bounds on the Higgs mass already…

High Energy Physics - Phenomenology · Physics 2014-11-21 Michael S. Chanowitz

We update our previous work on an analysis of the electroweak data by including new and partly preliminary data available up to the 1996 summer conferences. The new results on the Z partial decay widths into b and c hadrons now offer a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaoru Hagiwara , Dieter Haidt , Seiji Matsumoto

Overview on top couplings measurements is presented, and the prospects of future measurements are discussed. The coupling of top to the W boson can be examined either by looking at the decay of the top quark or from single top quark…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Barbara Alvarez Gonzalez , Yang Bai , Matthew Baumgart , Richard Keith Ellis , Sasha Khanov , Andrey Loginov , Marcel Vos

In this paper we express the effect of new physics on gauge boson self energy corrections through non-renormalizable dimension six operators. Using the precision electroweak data we then determine a lower bound on the scale ${\l}$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Uma Mahanta

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

We perform a comprehensive analysis of electroweak, QED and mixed QCD-electroweak corrections underlying the precise measurement of the W-boson mass M_W at hadron colliders. By applying a template fitting technique, we detail the impact on…

High Energy Physics - Phenomenology · Physics 2017-11-22 Carlo Michel Carloni Calame , Mauro Chiesa , Homero Martinez , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini , Alessandro Vicini

In this talk, I discuss theoretical advances in understanding the properties of the Higgs boson and the implications for models of electroweak symmetry breaking. I begin by reviewing some of the recent progress in Standard Model…

High Energy Physics - Phenomenology · Physics 2015-11-13 S. Dawson