TL;DR
This paper investigates the discrepancy between theoretical predictions and experimental data for single-top-quark production at the Tevatron, considering the impact of updated parton distribution functions from LHC data.
Contribution
It examines whether recent PDF updates from LHC data affect the consistency of Tevatron measurements with theoretical models.
Findings
Identifies a growing discrepancy in single-top-quark production predictions.
Suggests potential issues with current PDFs or theoretical models.
Highlights the need for further investigation into PDF consistency.
Abstract
As active data taking has moved to the LHC at CERN, more and more LHC data have been included into fits of parton distribution functions. An anomaly has arisen where formerly excellent agreement between theoretical predictions and experiment in single-top-quark production at the Tevatron is no longer quite as good. Is this indicative of a deeper issue?
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