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Electroweak and QCD corrections to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Z</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math> pole observables in the standard model EFT

S. Dawson, Pier Paolo Giardino

2020Physical review. D/Physical review. D.73 citationsDOIOpen Access PDF

Abstract

We compute the next-to-leading order QCD and electroweak corrections to $Z$ and $W$ pole observables using the dimension-6 Standard Model effective field theory (SMEFT) and present numerical results that can easily be included in global fitting programs. Limits on SMEFT coefficient functions are presented at leading order and at next-to-leading order under several assumptions.

Topics & Concepts

Electroweak interactionQuantum chromodynamicsParticle physicsDimension (graph theory)Order (exchange)PhysicsMathematicsCombinatoricsFinanceEconomicsParticle physics theoretical and experimental studiesCosmology and Gravitation TheoriesQuantum Chromodynamics and Particle Interactions
Electroweak and QCD corrections to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Z</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math> pole observables in the standard model EFT | Litcius