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Toward NLO CT global PDF analyses: The SACOT- scheme in DIS and DGLAP evolution at partial NLO
Marco Guzzi, Yao Fu, Casey Hampson +5
We discuss three aspects of the ongoing efforts of the CTEQ--TEA group toward global parton distribution function (PDF) analyses beyond NNLO accuracy in QCD. First, we present a re…
Probing SU(2) Quark Flavor Asymmetry with W Bosons at RHIC
Maximiliano Ponce-Chavez
This work examines the effects of multiple parton radiation on proton-proton boson production at the Relativistic Heavy Ion Collider (RHIC), focusing on the ratio of charge…
CT25: Progress toward next-generation PDFs for precision phenomenology at the LHC
A. Ablat, A. Courtoy, S. Dulat +10
We summarize recent progress toward the next generation of CTEQ-TEA parton distribution functions, CT25, based on a global NNLO analysis that incorporates a significant sample of n…
Fantômas: An analysis of parton distributions in a pion with Bézier parametrizations
Lucas Kotz, Aurore Courtoy, Pavel Nadolsky +2
We systematically explore the parametrization dependence of the Parton Distribution Functions (PDFs) to better quantify the true uncertainty from global QCD analyses. To achieve th…
QED-enhanced PDF implications for the Higgs sector
Amanda M. Cooper-Sarkar, Thomas Cridge, T. J. Hobbs +4
In this work, we examine the implications of electroweak corrections beyond leading order for processes of special interest in the Higgs sector. We especially explore the role of t…
Fantômas Unconfined: global QCD fits with Bézier parameterizations
Lucas Kotz, Aurore Courtoy, T. J. Hobbs +4
Fantômas is a C++ toolkit for exploring the parametrization dependence of parton distribution functions (PDFs) and other correlator functions in quantum chromodynamics (QCD). Fantô…
Fantômas: epistemic and nuclear uncertainties for the parton distributions of the pion
Lucas Kotz, Aurore Courtoy, Pavel Nadolsky +1
We present Fanto10, a new ensemble of NLO error parton distribution functions (PDFs) in a charged pion that provides the most detailed estimate of uncertainties from experimental,…
Fantômas4QCD: pion PDFs with epistemic uncertainties
Aurore Courtoy, Lucas Kotz, Pavel Nadolsky +2
In these proceedings, we reiterate and extend the discussion of the Next-to-Leading Order (NLO) QCD analysis of the charged pion Parton Distribution Function (PDF) obtained within…
An analysis of parton distributions in a pion with Bézier parametrizations
Lucas Kotz, Aurore Courtoy, Pavel Nadolsky +2
We explore the role of parametrizations for nonperturbative QCD functions in global analyses, with a specific application to extending a phenomenological analysis of the parton dis…
Fantômas For QCD: parton distributions in a pion with Bézier parametrizations
Aurore Courtoy, Lucas Kotz, Pavel Nadolsky +3
We report on a new framework to parametrize parton distribution functions (PDFs) and other hadronic nonperturbative functions using polynomial functions realized by Bézier curves.…