Precision Electroweak Analysis after the Higgs Boson Discovery

Abstract

Until recently precision electroweak computations were fundamentally uncertain due to lack of knowledge about the existence of the Standard Model Higgs boson and its mass. For this reason substantial calculational machinery had to be carried along for each calculation that changed the Higgs boson mass and other parameters of the Standard Model. Now that the Higgs boson is discovered and its mass is known to within a percent, we are able to compute reliable semi-analytic expansions of electroweak observables. We present results of those computations in the form of expansion formulae. In addition to the convenience of having these expressions, we show how the approach makes investigating new physics contributions to precision electroweak observables much easier.

23 pages, 8 tables. v2: a mistake corrected. v3: typos corrected

References in corpus (16)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• Dimension-Six Terms in the Standard Model Lagrangian
• Precision Electroweak Measurements on the Z Resonance
• First Look at the Physics Case of TLEP
• Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs
• ZFITTER v.6.21 - A Semi-Analytical Program for Fermion Pair Production in e+e- Annihilation
• QCD Corrections to the $e^{+}{e}^{-}$ Cross Section and the $Z$ Boson Decay Rate
• ZFITTER: a semi-analytical program for fermion pair production in e+e- annihilation, from version 6.21 to version 6.42
• How Can a Heavy Higgs Boson be Consistent with the Precision Electroweak Measurements?
• Complete QCD Corrections to Hadronic $Z$--Decays in Order ${\alpha }_s^4$
• Higher-order electroweak corrections to the partial widths and branching ratios of the Z boson
• R_b and New Physics: A Comprehensive Analysis
• Measurement of sin^2θ_{eff}^{lept} and Z-light quark couplings using the forward-backward charge asymmetry in p\bar{p} -> Z/γ^{*} -> e^{+}e^{-} events with L=5.0 fb^{-1} at \sqrt{s}=1.96 TeV
• Study of the 125 GeV Standard Model Higgs Boson Partial Widths and Branching Fractions
• R_b and New Physics: A Comprehensive Analysis

Cited by in corpus (23)

• Illuminating Dark Photons with High-Energy Colliders
• Violation of lepton flavour universality in composite Higgs models
• Towards consistent Electroweak Precision Data constraints in the SMEFT
• Sensitivities of Prospective Future e+e- Colliders to Decoupled New Physics
• The Effective Standard Model after LHC Run I
• Removing flat directions in SMEFT fits: how polarized electron-ion collider data can complement the LHC
• Top quark decay at next-to-leading order in the Standard Model Effective Field Theory
• Standard Model parameters in the tadpole-free pure $\overline{\mathrm{MS}}$ scheme
• Exploring the SMEFT at dimension-8 with Drell-Yan transverse momentum measurements
• Renormalization group evolution of the universal theories EFT
• Disentangling SMEFT operators with future low-energy PVES experiments
• Probing the $Zb\bar{b}$ anomalous couplings via exclusive $Z$ boson decay
• Status and prospects of precision analyses with $e^{+}{e}^{-}\to W^{+}{W}^{-}$
• Constraining the gauge and scalar sectors of the doublet left-right symmetric model
• Bulk RS models, Electroweak Precision tests and the 125 GeV Higgs
• Setting limits on Effective Field Theories: the case of Dark Matter
• Effective Field Theory in the top sector: do multijets help?
• The role of low-energy observables in precision Higgs analysis
• Direct Constraints, Flavor Physics, and Flavor Anomalies in Composite Higgs Models
• Four-lepton Z-boson decay constraints on the SMEFT
• New method for fitting coefficients in standard model effective theory
• Constraining dimension-6 SMEFT with higher-order predictions for $pp\to tW$
• Dilepton production in the SMEFT at $\mathcal{O}(1/{\Lambda }^4)$