Talk (non-conference) (Invited)

PUBDB-2023-03121

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png MSHT20aN3LO - Approximate N3LO PDFs with Theoretical Uncertainties

Cridge, T. (Corresponding author)DESY*

2023

Abstract: MSHT20aN3LO (approximate N3LO) set. This represents the first global analysis of parton distribution functions (PDFs) at approximate N3LO as well as simultaneously the inclusion of theoretical uncertainties into the MSHT PDFs from missing higher order terms beyond NNLO. I will review the formalism, higher orders and theoretical uncertainties included, and their effects on both the fit quality and PDFs before examining indicative N3LO predictions.

Note: In person

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Contributing Institute(s):

1. Theorie-Gruppe (T)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. COLORFREE - High-Precision Global Analysis of Color-Free LHC Processes at Small Recoil (101002090) (101002090)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2023

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