Electroweak and QCD corrections to Z and W pole observables in the standard model EFT

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 present...

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Bibliographic Details
Published in:Physical review. D 2020-01, Vol.101 (1), p.1, Article 013001
Main Authors: Dawson, Sally, Giardino, Pier Paolo
Format: Article
Language:English
Subjects:
coefficients
electroweak
Electroweak model
Field theory
gauge
Mathematical analysis
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QCD
SMEFT
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Summary: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.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.101.013001