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

By J. Haller, Andreas Hoecker, R. Kogler, K. Mönig, T. Peiffer, J. Stelzer, T. Group. The European Physical Journal C, 2018

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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 $$\sin \!^2\theta ^{\ell }_{\mathrm{eff}}$$sin2θeffℓ result from the Tevatron, and a new evaluation of the hadronic contribution to $$\alpha (M_Z^2)$$α(MZ2). 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.

Subfields: Artificial Intelligence, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/168caee2c5fcc4335cb4db7ac21d7b447d0c1dbb

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Citations in the corpus

Updated global SMEFT fit to Higgs, diboson and electroweak data (2018, methodology): “Furthermore, many such analyses already exist, both within [18, 129, 130] and outside [119, 131, 132] the EFT framework.”
Measurement of the W boson mass (2021, background): “This result agrees with the current PDG average of direct measurements [7] and the indirect prediction from the global EW fit [6], and is compared to previous measurements in Fig.”
Leading hadronic contribution to the muon magnetic moment from lattice QCD (2020, result): “(180) Note that this value is somewhat smaller, both in value and in uncertainty, than the latest result of the Gfitter group [117].”