CTEQ-TEA group updates: Photon PDF and Impact from heavy flavors in the CT18 global analysis

Carl Schmidt; C.-P. Yuan; Keping Xie; Marco Guzzi; Mengshi Yan; Pavel Nadolsky; Tie-Jiun Hou

arxiv: 2110.11495 · v1 · pith:EAA3RPXVnew · submitted 2021-10-21 · ✦ hep-ph

CTEQ-TEA group updates: Photon PDF and Impact from heavy flavors in the CT18 global analysis

Marco Guzzi , Keping Xie , Tie-Jiun Hou , Pavel Nadolsky , Carl Schmidt , Mengshi Yan , C.-P. Yuan This is my paper

classification ✦ hep-ph

keywords analysisct18globalcteq-teadiscussgroupimpactpdfs

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We discuss recent CTEQ-TEA group activities after the publication of the CT18 global analysis of parton distribution functions (PDFs) in the proton. In particular, we discuss a new calculation for the photon content in the proton, termed as CT18lux and CT18qed PDFs, and the impact of novel charm- and bottom-quark production cross section measurements at HERA on the CT18 global analysis.

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CTEQ-TEA group updates: Photon PDF and Impact from heavy flavors in the CT18 global analysis

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