European Physical Journal C: Particles and Fields (Aug 2022)

Angular coefficients in $$\hbox {W}+\hbox {j}$$ W + j production at the LHC with high precision

  • Mathieu Pellen,
  • Rene Poncelet,
  • Andrei Popescu,
  • Timea Vitos

DOI
https://doi.org/10.1140/epjc/s10052-022-10641-1
Journal volume & issue
Vol. 82, no. 8
pp. 1 – 12

Abstract

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Abstract The extraction of the W-boson mass, a fundamental parameter of the Standard Model, from hadron-hadron collision requires precise theory predictions. In this regard, angular coefficients are crucial to model the dynamics of W-boson production. In this work, we provide, for the first time, angular coefficients at NNLO QCD + NLO EW accuracy for finite transverse momentum W-boson at the LHC. The corrections can reach up to $$10\%$$ 10 % in certain regions of phase space. They are accompanied by a significant reduction of the scale uncertainty. This work should, besides providing reference values for theory-data comparison, provide state-of-the-art theory input for W-boson mass measurements.