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Associated production of a top quark with a photon via anomalous couplings

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arxiv 1808.09014 v2 pith:WMN77ZEW submitted 2018-08-27 hep-ph

classification hep-ph
keywords gammaproductionsoft-gluonannloanomalousassociatedcorrectionscouplings
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We discuss the associated production of a top quark with a photon via anomalous $t$-$q$-$\gamma$ couplings, and present higher-order corrections from soft-gluon emission for the processes $gq \rightarrow t\gamma$ at LHC energies. We perform soft-gluon resummation at next-to-leading-logarithm accuracy and derive approximate next-to-next-to-leading order (aNNLO) double-differential cross sections. We calculate at aNNLO the total $t\gamma$ production cross sections and the top-quark transverse-momentum and rapidity distributions for various LHC energies, and show that the soft-gluon corrections are large and dominant in these processes.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Soft-gluon corrections for single top quark production in association with electroweak bosons

    hep-ph 2019-09 conditional novelty 3.0 of 10

    Soft-gluon resummation results for single top plus Z/photon production via anomalous FCNC couplings, showing large approximate NNLO K-factors, are presented for LHC energies.

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