On-shell Z boson production through ${\cal O}(\alpha \alpha_s)$
Roberto Bonciani, Federico Buccioni, Narayan Rana, Alessandro Vicini
TL;DR
This paper derives analytical expressions for mixed QCD-electroweak corrections to on-shell Z boson production at hadron colliders, providing detailed formulas and analyzing their impact on cross section predictions with various parton density sets.
Contribution
It presents the first analytical formulas for mixed QCD-EW corrections to Z boson production, including computational details and impact analysis.
Findings
Analytical expressions involve polylogarithms and elliptic integrals.
Mixed corrections significantly affect Z boson cross section predictions.
Comparison of different parton density sets shows varying impacts.
Abstract
The analytical expressions of the mixed QCD-EW corrections to on-shell Z boson inclusive production cross section at hadron colliders are presented, together with computational details. The results are given in terms of polylogarithmic functions and elliptic integrals. The impact on the prediction of the Z boson production total cross section is discussed, comparing different proton parton density sets.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions