Off-shell single-top-quark production in the Standard Model Effective Field Theory
Journal of High Energy Physics, ISSN: 1029-8479, Vol: 2019, Issue: 6
2019
- 20Citations
- 3Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
We present a fully differential and spin-dependent t-channel single-top-quark calculation at next-to-leading order (NLO) in QCD including off-shell effects by using the complex mass scheme in the Standard Model (SM) and in the Standard Model Effective Field Theory (SMEFT). We include all relevant SMEFT operators at 1/Λ that contribute at NLO in QCD for a fully consistent comparison to the SM at NLO. In addition, we include chirality flipping operators that do not interfere with the SM amplitude and contribute only at 1/Λ with a massless b-quark. Such higher order effects are usually captured by considering anomalous right-handed Wtb and left-handed Wtb tensor couplings. Despite their formal suppression in the SMEFT, they describe an important class of models for new physics. Our calculation and analysis framework is publicly available in MCFM.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85067226424&origin=inward; http://dx.doi.org/10.1007/jhep06(2019)022; https://link.springer.com/10.1007/JHEP06(2019)022; https://link.springer.com/content/pdf/10.1007/JHEP06(2019)022.pdf; https://link.springer.com/article/10.1007/JHEP06(2019)022/fulltext.html; http://dx.doi.org/10.1007/jhep06%282019%29022; https://dx.doi.org/10.1007/jhep06%282019%29022; https://link.springer.com/article/10.1007/JHEP06(2019)022
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