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Related papers: Precision Electroweak Measurements and Constraints…

200 papers

Precision measurements of low-energy observables provide stringent tests of the Standard Model structure and accurate determinations of its parameters. An overview of the present experimental status is presented. The main topics discussed…

High Energy Physics - Phenomenology · Physics 2009-11-07 Antonio Pich

Measurements of diboson events in proton-antiproton collisions at $\sqrt{s}=1.96$ TeV are effective probes of the electro-weak gauge structure in the Standard Model (SM). Due to the potentially high energy scale in the collisions, bosonic…

High Energy Physics - Experiment · Physics 2019-08-15 J. Sjolin

We briefly review the global Standard Model fit to electroweak precision data, and discuss the status of electroweak constraints on new interactions. We follow a general effective Lagrangian approach to obtain model-independent limits on…

High Energy Physics - Phenomenology · Physics 2015-06-16 J. de Blas

I give an introduction and overview of recent developments in high precision tests of the Standard Model. This includes a summary of Z-pole measurements, a brief account of the NuTeV result on neutrino-nucleon scattering, the anomalous…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jens Erler

We constrain the size of R-parity violating couplings using precision electroweak data.

High Energy Physics - Phenomenology · Physics 2007-05-23 Tatsu Takeuchi , Oleg Lebedev , Will Loinaz

The energy dependence of the electroweak gauge couplings has not been measured above the weak scale. We propose that percent-level measurements of the energy dependence of $\alpha_{1,2}$ can be performed now at the LHC and at future higher…

High Energy Physics - Phenomenology · Physics 2015-06-23 Daniele S. M. Alves , Jamison Galloway , Joshua T. Ruderman , Jonathan R. Walsh

Explicit expressions are derived for the oblique parameters $S$ and $T$ in certain extensions of the standard model. In particular, we consider leptoquarks and bileptons, and find phenomenological constraints on their allowed masses.…

High Energy Physics - Phenomenology · Physics 2009-10-30 Paul H. Frampton , Masayasu Harada

In the last decades electroweak processes were studied at hadron and lepton colliders. By exploiting the large statistics and the c.o.m. energy available, hadron colliders played a significant role in performing precision measurements of…

High Energy Physics - Experiment · Physics 2009-10-02 Giorgio Chiarelli

The Standard Model of electroweak interactions has had great success in describing the observed data over the last three decades. The precision of experimental measurements affords tests of the Standard Model at the quantum loop level…

High Energy Physics - Experiment · Physics 2011-03-23 Douglas A. Glenzinski , Ulrich Heintz

The elementary particles of the Standard Model may live in more than 3+1 dimensions. We study the consequences of large compactified dimensions on scattering and decay observables at high-energy colliders. Our analysis includes global fits…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thomas G. Rizzo , James D. Wells

We discuss results of the most accurate to-date test of the low-energy electroweak sector of the standard model of elementary particles. Combining previous measurements with our high-precision calculations we extracted the weak charge of…

High Energy Physics - Phenomenology · Physics 2014-11-21 S. G. Porsev , K. Beloy , A. Derevianko

We briefly review the limits on new interactions implied by electroweak precision data. Special attention is payed to the bounds on the Higgs boson mass. We also comment on the required cancellation among the new contributions to precisely…

High Energy Physics - Phenomenology · Physics 2015-05-28 F. del Aguila , J. de Blas

We compute bounds on coefficients of effective operators in the Standard Model that can be inferred from observations of neutrino scattering by the COHERENT experiment. While many operators are bound extremely well by past experiments the…

High Energy Physics - Phenomenology · Physics 2022-11-01 Witold Skiba , Qing Xia

Future high energy linear electron positron colliders with centre-of-mass enegies between 90 and 1000 GeV offer a unique opportunity to study precisely the Standard Model and phenomena from new physics. Most important, the mechanism of…

High Energy Physics - Experiment · Physics 2007-05-23 Wolfgang Menges

The experimental results presented at the XXXVI Rencontres de Moriond Electroweak Interactions and Unified Theories are summarized. The results range from possible evidence for the Standard Model Higgs boson at LEP2 to searches for new…

High Energy Physics - Experiment · Physics 2007-05-23 Gail G. Hanson

The proposed Large Hadron Electron Collider (LHeC), with center-of-mass energy of $\sqrt{s}\approx 1.3$ TeV, provides a clean and sensitive environment to probe the top quark's neutral current interactions with the $Z$ boson via the process…

High Energy Physics - Phenomenology · Physics 2025-11-20 Katlego Machethe , Pramod Sharma , Mukesh Kumar , Rafiqul Rahaman , Bruce Mellado

We study extensions of the Standard Model with general new vector bosons. The full Standard Model gauge symmetry is used to classify the extra vectors and constrain their couplings. We derive the corresponding effective Lagrangian, valid at…

High Energy Physics - Phenomenology · Physics 2025-02-05 F. del Aguila , J. de Blas , M. Perez-Victoria

We briefly review the recent developments of probing the electroweak symmetry breaking mechanism at high energy colliders such as the CERN LEP2, the Fermilab Tevatron, the CERN LHC and the e(+)e(-) linear colliders. Both weakly interacting…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu-Ping Kuang

The mass of the top quark is a fundamental parameter of the Standard Model and has to be determined experimentally. In these proceedings, I review recent direct measurements of the top quark mass in $p\bar p$ collisions at $\sqrt s=1.96$…

High Energy Physics - Experiment · Physics 2017-10-13 Oleg Brandt

This report was prepared in the context of the LPCC "Electroweak Precision Measurements at the LHC WG" and summarizes the activity of a subgroup dedicated to the systematic comparison of public Monte Carlo codes, which describe the…