• DOI:10.1007/JHEP12(2021)020
• Corpus ID: 238531547

Next-to-leading-order QCD corrections and parton-shower effects for weakino+squark production at the LHC

@article{Baglio2021NexttoleadingorderQC,
  title={Next-to-leading-order QCD corrections and parton-shower effects for weakino+squark production at the LHC},
  author={Julien Baglio and Gabriele Coniglio and Barbara Jager and Michael Spira},
  journal={Journal of High Energy Physics},
  year={2021}
}

• J. Baglio, Gabriele Coniglio, +1 author M. Spira
• Published 8 October 2021
• Physics
• Journal of High Energy Physics

Abstract
We present a calculation of the next-to-leading order QCD corrections to weakino+squark production processes at hadron colliders and their implementation in the framework of the POWHEG-BOX, a tool for the matching of fixed-order perturbative calculations with parton-shower programs. Particular care is taken in the subtraction of on-shell resonances in the real-emission corrections that have to be assigned to production processes of a different type. In order to illustrate the capabilities of our code, representative results are shown for selected SUSY parameter points in the pMSSM11. The perturbative stability of the calculation is assessed for the pp →$$ {\tilde{\upchi}}_1^0{\tilde{d}}_L $$

χ
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process. For the squark+chargino production process pp →$$ {\upchi}_1^{-}{\tilde{u}}_L $$

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−

u
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distributions of the chargino’s decay products are provided with the help of the decay feature of PYTHIA 8.