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Two-loop mixed QCD-EW corrections to neutral current Drell-Yan

High Energy Physics - Phenomenology 2022-08-17 v2
Authors: Simone Devoto
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Abstract

We present the mixed QCD-EW two-loop virtual amplitudes for the neutral current Drell-Yan production, one of the bottlenecks for the complete calculation of the NNLO mixed QCD-EW corrections. We present the computational details and the first steps towards their automation. We describe the evaluation of all the relevant two-loop Feynman integrals using analytical and semi-analytical methods, the subtraction of the universal infrared singularities and present the numerical evaluation of the finite remainder.

Keywords

radiative corrections in particle physics loop integrals in quantum field theory

Cite

@article{arxiv.2208.03510,
  title  = {Two-loop mixed QCD-EW corrections to neutral current Drell-Yan},
  author = {Simone Devoto},
  journal= {arXiv preprint arXiv:2208.03510},
  year   = {2022}
}

Comments

Contribution to the proceedings of "Loops and Legs in Quantum Field Theory - LL2022, 25-30 April, 2022, Ettal, Germany

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