TL;DR
This paper examines how heavy new physics could influence W boson production at colliders by using effective field theory, considering existing LEP constraints and comparing with anomalous couplings.
Contribution
It provides a comprehensive analysis of dimension-six operators affecting W production, integrating LEP constraints and contrasting effective field theory with anomalous couplings.
Findings
Effective operators impact W production rates.
LEP constraints limit new physics effects.
Comparison reveals differences in unitarity behavior.
Abstract
We investigate the impact of heavy new physics on W bosons productions at hadron colliders using an effective field theory. After listing all the relevant dimension-six operators, their effects are computed taking into account LEP constraints. Additionally, the effective approach is compared to anomalous couplings regarding several issues like unitarity.
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