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

Banerjee, Shankha; Reichelt, Daniel; Spannowsky, Michael

Abstract

We investigate the impact of electroweak corrections and effective field theory operators on WþW− 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 → WþW− 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.

Citation

Banerjee, S., Reichelt, D., & Spannowsky, M. (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

• Journal Article Type: Article
• Acceptance Date: Oct 25, 2024
• Online Publication Date: Dec 11, 2024
• Publication Date: Dec 11, 2024
• Deposit Date: Jan 20, 2025
• Publicly Available Date: Jan 20, 2025
• Journal: Physical Review D
• Print ISSN: 2470-0010
• Electronic ISSN: 2470-0029
• Publisher: American Physical Society
• Peer Reviewed: Peer Reviewed
• Volume: 110
• Issue: 11
• DOI: https://doi.org/10.1103/physrevd.110.115012
• Public URL: https://durham-repository.worktribe.com/output/3343146