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Experimental Tests of the Standard Model

David Charlton

TL;DR

This review surveys the landscape of precise experimental tests of the electroweak sector of the Standard Model circa 2001, highlighting that experimental and theoretical uncertainties are intertwined due to missing higher-order corrections. It synthesizes low-energy hadronic data that feed the running of the coupling, advances in the muon $g-2$ measurement and its SM interpretation, and a comprehensive set of LEP-1/SLD, LEP-2, Tevatron, and HERA results into global electroweak fits. The analysis shows overall agreement with SM radiative corrections, while pinpointing tensions (notably in the $A_{ m FB}^{0,b}$ and $A_{ m LR}$ determinations) that motivate improved theory and new data. The global fit constrains the Higgs mass to be relatively light and outlines future prospects for narrowing the parameter space with upcoming Run 2 data, the LHC, and potential future colliders.

Abstract

The current status of experimental tests of the electroweak sector of the Standard Model is reviewed.

Experimental Tests of the Standard Model

TL;DR

This review surveys the landscape of precise experimental tests of the electroweak sector of the Standard Model circa 2001, highlighting that experimental and theoretical uncertainties are intertwined due to missing higher-order corrections. It synthesizes low-energy hadronic data that feed the running of the coupling, advances in the muon measurement and its SM interpretation, and a comprehensive set of LEP-1/SLD, LEP-2, Tevatron, and HERA results into global electroweak fits. The analysis shows overall agreement with SM radiative corrections, while pinpointing tensions (notably in the and determinations) that motivate improved theory and new data. The global fit constrains the Higgs mass to be relatively light and outlines future prospects for narrowing the parameter space with upcoming Run 2 data, the LHC, and potential future colliders.

Abstract

The current status of experimental tests of the electroweak sector of the Standard Model is reviewed.

Paper Structure

This paper contains 10 sections, 10 equations.

Table of Contents

  1. Introduction
  2. R and $\mathbf{\alpha(M_Z^2)}$
  3. The Muon Anomalous Magnetic Moment g-2
  4. Recent News from the Z$^{\mathbf{0}}$ Pole
  5. LEP-2 and Fermion-Pair Production
  6. Z's and W's at Colliders with Hadrons
  7. W Physics at LEP-2
  8. Tests of the Gauge Couplings of Vector Bosons
  9. Global Electroweak Tests
  10. A Forward Look, and Conclusions