Precision Measurements in Electron-Positron Annihilation: Theory and Experiment
Konstantin Chetyrkin, Johann H. K\"uhn
TL;DR
This paper reviews theoretical and experimental precision measurements in electron-positron annihilation, covering QCD, electroweak effects, and implications for W-boson mass and Higgs decay rates.
Contribution
It compiles and discusses recent theoretical results and experimental data on electron-positron annihilation across various energies, including QCD and electroweak corrections.
Findings
QCD corrections significantly impact W-boson mass estimates
Updated predictions for Higgs decay channels into quarks and gluons
Comprehensive overview of precision measurements in electron-positron annihilation
Abstract
Theory results on precision measurements in electron-positron annihilation at low and high energies are collected. These cover pure QCD calculations as well as mixed electroweak and QCD results, involving light and heavy quarks. The impact of QCD corrections on the -boson mass is discussed and, last not least, the status and the perspectives for the Higgs boson decay rate into , and into two gluons.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Dark Matter and Cosmic Phenomena