Update of the global electroweak fit and constraints on two-Higgs-doublet models

We present an update of the global fit of the Standard Model electroweak sector to latest experimental results. We include new kinematic top quark and \(W\) boson mass measurements from the LHC, a \(\sin^2\theta^{\ell}_{\mathrm{eff}}\) result from the Tevatron, and a new evaluation of the hadronic c...

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Veröffentlicht in:arXiv.org 2018-03
Hauptverfasser: Haller, Johannes, Hoecker, Andreas, Kogler, Roman, Mönig, Klaus, Peiffer, Thomas, Stelzer, Jörg
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creator Haller, Johannes
Hoecker, Andreas
Kogler, Roman
Mönig, Klaus
Peiffer, Thomas
Stelzer, Jörg
description We present an update of the global fit of the Standard Model electroweak sector to latest experimental results. We include new kinematic top quark and \(W\) boson mass measurements from the LHC, a \(\sin^2\theta^{\ell}_{\mathrm{eff}}\) result from the Tevatron, and a new evaluation of the hadronic contribution to \(\alpha(M_Z^2)\). We present tests of the internal consistency of the electroweak Standard Model and updated numerical predictions of key observables. The electroweak data combined with measurements of the Higgs boson coupling strengths and flavour physics observables are used to constrain parameters of two-Higgs-doublet models.
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subjects Constraint modelling
Electroweak model
Higgs bosons
Large Hadron Collider
Physics - High Energy Physics - Experiment
Physics - High Energy Physics - Phenomenology
Quarks
Standard model (particle physics)
title Update of the global electroweak fit and constraints on two-Higgs-doublet models
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