TASI Lectures on Effective Field Theory and Precision Electroweak Measurements
Witold Skiba
TL;DR
This paper introduces effective field theory concepts and applies them to analyze precision electroweak measurements, including new results on electroweak triplet scalars' contributions to the T parameter.
Contribution
It provides a comprehensive overview of effective field theory techniques and demonstrates their application to electroweak precision tests, including novel one-loop calculations.
Findings
Effective field theory effectively constrains electroweak parameters.
New one-loop results for electroweak triplet scalars' T parameter contributions.
Illustrative extensions of the Standard Model analyzed.
Abstract
The first part of these lectures provides a brief introduction to the concepts and techniques of effective field theory. The second part reviews precision electroweak constraints using effective theory methods. Several simple extensions of the Standard Model are considered as illustrations. The appendix contains some new results on the one-loop contributions of electroweak triplet scalars to the T parameter and contains a discussion of decoupling in that case.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Quantum Chromodynamics and Particle Interactions