Report

PUBDB-2025-04915

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Reference Single Top-Quark Cross-Sections for ATLAS and CMS Analyses

ATLAS Collaboration (Collaboration author)DESY*

2025

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Please use a persistent id in citations: doi:10.3204/PUBDB-2025-04915

Report No.: ATL-PHYS-PUB-2025-035

Abstract: This note presents reference cross-sections and recommendations for the evaluation of uncertainties in the three main single top-quark production-processes of the Standard Model. Cross-sections are calculated up to next-to-next-to-leading order in QCD pertubation theory for all relevant centre-of-mass energies. For all channels dependencies of the cross-section as function of the top-quark mass and the centre-of-mass energy are provided. For dominant process, the single top-quark production in the $t$-channel comprehensive comparisons with cross-sections calculated with several parton distribution functions are performed.

Keyword(s): single top ; MCFM ; TOP

Note: All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PUBNOTES/ATL-PHYS-PUB-2025-035. The authors list may be incomplete!

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Contributing Institute(s):

1. LHC/ATLAS Experiment (ATLAS)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)

Experiment(s):

1. LHC: ATLAS

Appears in the scientific report 2025

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Database coverage:
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