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Automated next-to-leading order predictions for new physics at the LHC: The case of colored scalar pair production

Abstract : We present for the first time the full automation of collider predictions matched with parton showers at the next-to-leading accuracy in QCD within nontrivial extensions of the standard model. The sole inputs required from the user are the model Lagrangian and the process of interest. As an application of the above, we explore scenarios beyond the standard model where new colored scalar particles can be pair produced in hadron collisions. Using simplified models to describe the new field interactions with the standard model, we present precision predictions for the LHC within the MadGraph5_aMC@NLO framework.
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http://hal.in2p3.fr/in2p3-01097168
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, December 19, 2014 - 9:09:17 AM
Last modification on : Monday, July 20, 2020 - 9:18:26 AM

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C. Degrande, B. Fuks, V. Hirschi, J. Proudom, Hua-Sheng Shao. Automated next-to-leading order predictions for new physics at the LHC: The case of colored scalar pair production. Physical Review D, American Physical Society, 2015, 91, pp.094005. ⟨10.1103/PhysRevD.91.094005⟩. ⟨in2p3-01097168⟩

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