Heavy-flavor impact on CTEQ-TEA global QCD analyses
Marco Guzzi, Alim Ablat, Sayipjamal Dulat, Tie-Jiun Hou, Pavel M., Nadolsky, Ibrahim Sitiwaldi, Keping Xie, and C.-P. Yuan
TL;DR
This paper examines how heavy-flavor production influences the determination of parton distribution functions in the proton through recent global QCD analyses, focusing on factorization schemes and LHC data impacts.
Contribution
It introduces updated heavy-flavor treatments in global QCD analyses, enhancing the precision of PDFs beyond the CT18 framework.
Findings
Impact of heavy-flavor production on PDFs quantified
Comparison of factorization schemes for heavy flavors
Updated PDFs incorporating recent LHC data
Abstract
We discuss heavy-flavor production at hadron colliders in recent global QCD analyses to determine parton distribution functions (PDFs) in the proton. We discuss heavy-flavor treatments in precision theory predictions at the LHC. In particular, we discuss factorization schemes in presence of heavy flavors in proton-proton collisions, as well as the impact of heavy-flavor production at the LHC on PDFs. We show results of recent updates beyond CT18, the latest global QCD analysis from the CTEQ-TEA group.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Distributed and Parallel Computing Systems