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High Energy Physics - Experiment

arXiv:1505.04973 (hep-ex)
[Submitted on 19 May 2015]

Title:HERAFitter - An Open Source framework to determine PDFs

Authors:Stefano Camarda
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Abstract:The HERAFitter project provides a framework for the determination of parton distribution functions (PDFs), and tools for assessing the impact of new data on PDFs. In this contribution, HERAFitter is used for a QCD analysis of the legacy measurements of the $W$-boson charge asymmetry and of the $Z$-boson production cross sections, performed at the Tevatron collider in Run II by the D0 and CDF collaborations. The Tevatron measurements are included in a PDF fit performed at next-to-leading order, and compared to the predictions obtained using other PDF sets from different groups. The measurements are in good agreement with NLO QCD theoretical predictions. The Tevatron data provide significant constraints on the $d$-valence quark distribution.
Comments: Proceedings for Moriond QCD Lth
Subjects: High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1505.04973 [hep-ex]
  (or arXiv:1505.04973v1 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1505.04973

Submission history

From: Stefano Camarda [view email]
[v1] Tue, 19 May 2015 12:48:35 UTC (1,288 KB)
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