Electroweak corrections and EFT operators in 
W+W−
 production at the LHC

Shankha Banerjee; Daniel Reichelt; Michael Spannowsky

doi:10.1103/physrevd.110.115012

journal article Open Access Dec 11, 2024

Electroweak corrections and EFT operators in W+W− production at the LHC

Shankha Banerjee

Daniel Reichelt

Michael Spannowsky

Physical Review D Vol. 110 No. 11 · American Physical Society (APS)

View at Publisher Save 10.1103/physrevd.110.115012

Abstract

We investigate the impact of electroweak corrections and effective field theory operators on W+W− production at the Large Hadron Collider (LHC). Utilizing the Standard Model effective-field theory (SMEFT) framework, we extend the Standard Model by incorporating higher-dimensional operators to encapsulate potential new physics effects. These operators allow for a model-independent approach to data interpretation, essential for probing beyond the Standard Model physics. We generate pseudodata at the next-to-leading order in quantum chromodynamics and include approximate electroweak corrections. Our analysis focuses on the interplay between these corrections and SMEFT operators at leading order. The inclusion of electroweak corrections is crucial as they can counteract the effects predicted by SMEFT operators, necessitating precise theoretical and experimental handling. By examining pp→W+W− production, a process sensitive to the electroweak symmetry-breaking mechanism, we demonstrate the importance of these corrections in isolating and interpreting new physics signatures. Our results highlight the significant role of electroweak corrections in enhancing the interpretative power of LHC data and in obtaining reliable constraints on new physics interactions.

Published by the American Physical Society
2024

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References

Details

Published: Dec 11, 2024
Vol/Issue: 110(11)
License: View

Authors

S

Shankha Banerjee

The Institute of Mathematical Sciences

Durham University

Durham University

Funding

Durham University

Institute for Particle Physics Phenomenology, Durham University

Cite This Article

Shankha Banerjee, Daniel Reichelt, Michael Spannowsky (2024). Electroweak corrections and EFT operators in W+W− production at the LHC. Physical Review D, 110(11). https://doi.org/10.1103/physrevd.110.115012

Electroweak corrections and EFT operators in W+W− production at the LHC

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