Theoretical Uncertainties in Electroweak Boson Production Cross Sections at 7, 10, and 14 TeV at the LHC
Nadia Adam, Valerie Halyo, Scott A. Yost
TL;DR
This paper analyzes the theoretical uncertainties affecting electroweak boson production cross sections at different LHC energies, focusing on QCD, electroweak corrections, and parton distribution functions.
Contribution
It provides an updated systematic error assessment for boson cross sections at 7, 10, and 14 TeV, including effects of recent PDF sets and higher-order corrections.
Findings
Quantified electroweak and NNLO QCD contributions.
Estimated systematic errors from parton distribution functions.
Compared impacts of different PDF versions on cross-section uncertainties.
Abstract
We present an updated study of the systematic errors in the measurements of the electroweak boson cross-sections at the LHC for various experimental cuts for a center of mass energy of 7, 10 and 14 TeV. The size of both electroweak and NNLO QCD contributions are estimated, together with the systematic error from the parton distributions. The effects of new versions of the MSTW, CTEQ, and NNPDF PDFs are considered.
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