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Title: Matching next-to-leading order predictions to parton showers in supersymmetric QCD

Abstract

We present a fully automated framework based on the FeynRules and MadGraph5_aMC@NLO programs that allows for accurate simulations of supersymmetric QCD processes at the LHC. Starting directly from a model Lagrangian that features squark and gluino interactions, event generation is achieved at the next-to-leading order in QCD, matching short-distance events to parton showers and including the subsequent decay of the produced supersymmetric particles. As an application, we study the impact of higher-order corrections in gluino pair-production in a simplified benchmark scenario inspired by current gluino LHC searches.

Authors:
 [1]; ORCiD logo [2];  [3];  [4];  [5]
  1. Durham Univ. (United Kingdom)
  2. Sorbonne Univ., Paris (France); CNRS, Paris (France)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of Grenoble (France)
  5. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1237440
Grant/Contract Number:  
291377; PITN-GA-2012-315877; PBELP2 146525
Resource Type:
Accepted Manuscript
Journal Name:
Physics Letters. B
Additional Journal Information:
Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Degrande, Céline, Fuks, Benjamin, Hirschi, Valentin, Proudom, Josselin, and Shao, Hua-Sheng. Matching next-to-leading order predictions to parton showers in supersymmetric QCD. United States: N. p., 2016. Web. doi:10.1016/j.physletb.2016.01.067.
Degrande, Céline, Fuks, Benjamin, Hirschi, Valentin, Proudom, Josselin, & Shao, Hua-Sheng. Matching next-to-leading order predictions to parton showers in supersymmetric QCD. United States. https://doi.org/10.1016/j.physletb.2016.01.067
Degrande, Céline, Fuks, Benjamin, Hirschi, Valentin, Proudom, Josselin, and Shao, Hua-Sheng. Wed . "Matching next-to-leading order predictions to parton showers in supersymmetric QCD". United States. https://doi.org/10.1016/j.physletb.2016.01.067. https://www.osti.gov/servlets/purl/1237440.
@article{osti_1237440,
title = {Matching next-to-leading order predictions to parton showers in supersymmetric QCD},
author = {Degrande, Céline and Fuks, Benjamin and Hirschi, Valentin and Proudom, Josselin and Shao, Hua-Sheng},
abstractNote = {We present a fully automated framework based on the FeynRules and MadGraph5_aMC@NLO programs that allows for accurate simulations of supersymmetric QCD processes at the LHC. Starting directly from a model Lagrangian that features squark and gluino interactions, event generation is achieved at the next-to-leading order in QCD, matching short-distance events to parton showers and including the subsequent decay of the produced supersymmetric particles. As an application, we study the impact of higher-order corrections in gluino pair-production in a simplified benchmark scenario inspired by current gluino LHC searches.},
doi = {10.1016/j.physletb.2016.01.067},
journal = {Physics Letters. B},
number = C,
volume = 755,
place = {United States},
year = {Wed Feb 03 00:00:00 EST 2016},
month = {Wed Feb 03 00:00:00 EST 2016}
}

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Works referencing / citing this record:

Automated simulations beyond the Standard Model: supersymmetry
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  • Journal of High Energy Physics, Vol. 2019, Issue 12
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Squark production in R-symmetric SUSY with Dirac gluinos: NLO corrections
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Monojet signatures from heavy colored particles: future collider sensitivities and theoretical uncertainties
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Automated simulations beyond the Standard Model: supersymmetry
text, January 2019


NNLL-fast: predictions for coloured supersymmetric particle production at the LHC with threshold and Coulomb resummation
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Squark production in R-symmetric SUSY with Dirac gluinos: NLO corrections
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Automated simulations beyond the Standard Model: supersymmetry
journal, December 2019

  • Frixione, Stefano; Fuks, Benjamin; Hirschi, Valentin
  • Journal of High Energy Physics, Vol. 2019, Issue 12
  • DOI: 10.1007/jhep12(2019)008

Monojet signatures from heavy colored particles: future collider sensitivities and theoretical uncertainties
journal, August 2018