WFRF:(Frederix Rikkert)
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- Frederix, RikkertLund University,Lunds universitet,Teoretisk partikelfysik - Geonomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science (author)
On improving NLO merging for t t ¯ W production
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:1dc87a97-ffc3-4358-ae85-30d0e7423593
- https://lup.lub.lu.se/record/1dc87a97-ffc3-4358-ae85-30d0e7423593URI
- https://doi.org/10.1007/JHEP11(2021)029DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- We introduce an improvement to the FxFx matrix element merging procedure for pp →tt¯ W production at NLO in QCD with one and/or two additional jets. The main modification is an improved treatment of jets that are not logarithmically enhanced in the low transverse-momentum regime. We provide predictions for the inclusive cross section and the tt¯ W differential distributions including parton-shower effects. Taking also the NLO EW corrections into account, this results in the most-accurate predictions for this process to date. We further proceed to include the on-shell LO decays of the tt¯ W including the tree-level spin correlations within the narrow-width approximation, focusing on the multi-lepton signatures studied at the LHC. We find a ∼30% increase over the NLO QCD prediction and large non-flat K-factors to differential distributions.
Subject headings and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- NLO Computations
- QCD Phenomenology
Added entries (persons, corporate bodies, meetings, titles ...)
- Tsinikos, IoannisLund University,Lunds universitet,Teoretisk partikelfysik - Geonomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)io6811ts (author)
- Teoretisk partikelfysik - Geonomgår omorganisationInstitutionen för astronomi och teoretisk fysik - Genomgår omorganisation (creator_code:org_t)
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- In:Journal of High Energy Physics2021:111029-8479
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