Weak boson production from D0 and LHCb in the NNPDF global analysis
Juan Rojo
TL;DR
This paper examines how recent W and Z boson production measurements from D0 and LHCb experiments improve the accuracy of parton distribution functions by reducing uncertainties in global fits.
Contribution
It introduces the inclusion of D0 and LHCb electroweak measurements into the NNPDF global analysis, demonstrating their impact on PDF precision.
Findings
Measurements are well described by NLO QCD theory
Inclusion reduces PDF uncertainties significantly
Enhances understanding of quark flavor separation
Abstract
High-precision electroweak production measurements from the Tevatron and the LHC provide important constraints on the quark flavor separation in global PDF fits. In this contribution, we study the impact of the recent D0 W asymmetry measurements and of the LHCb W and Z Run I combination in the global NNPDF analysis. We find that these measurements can be described by NLO QCD theory and that they lead to a significant reduction of PDF uncertainties.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions