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Creators/Authors contains: "Guzzi, M"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, The European Physical Journal Plus)
    Abstract This report summarizes the latest developments in the CTEQ-TEA global analysis of parton distribution functions (PDFs) in the nucleon. The focus is on recent NNLO fits to high-precision LHC data at 8 and 13 TeV, including Drell–Yan, jet, and top-quark pair production, pursued on the way toward the release of the new generation of CTEQ-TEA general-purpose PDFs. The report also discusses advancements in statistical and numerical methods for PDF determination and uncertainty quantification, highlighting the importance of robust and replicable uncertainties for high-stakes observables. Additionally, it covers phenomenological studies related to PDF determination, such as the interplay of experimental constraints, exploration of correlations between high-xnucleon sea and low-energy parity-violating measurements, fitted charm in the nucleon, the photon PDF in the neutron, and simultaneous SMEFT-PDF analyses. 
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  2. ; ; ; ; (, EPJ Web of Conferences)
    Bruno, GE; Chiodini, G; Colangelo, P; Corianò, C; Creanza, DM; De_Fazio, F; Giannuzzi, F; My, S; Nappi, E; Nicotri, S (Ed.)
    We present the application of the ACOT and S-ACOT general mass variable flavor number schemes to proton-proton collisions with particular attention to the production of final states with at least one heavy quark.Subtractionandresidualheavy-quark parton distribution functions are introduced to facilitate the implementation of this scheme at higher orders in perturbative QCD. The calculation ofZ-boson hadronic production with at least onebjet beyond the lowest order in QCD is considered for illustration purposes. 
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