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Title: Beyond standard model calculations with Sherpa

We present a fully automated framework as part of the Sherpa event generator for the computation of tree-level cross sections in beyond Standard Model scenarios, making use of model information given in the Universal FeynRules Output format. Elementary vertices are implemented into C++ code automatically and provided to the matrix-element generator Comix at runtime. Widths and branching ratios for unstable particles are computed from the same building blocks. The corresponding decays are simulated with spin correlations. Parton showers, QED radiation and hadronization are added by Sherpa, providing a full simulation of arbitrary BSM processes at the hadron level.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Durham Univ. (United Kingdom)
  3. Gottingen Univ. (Germany)
  4. Dresden Univ. of Technology (Germany)
Publication Date:
OSTI Identifier:
1185176
Report Number(s):
SLAC-PUB-16170
Journal ID: ISSN 1434-6044
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 3; Journal ID: ISSN 1434-6044
Publisher:
Springer
Research Org:
SLAC National Accelerator Laboratory (SLAC)
Sponsoring Org:
US DOE Office of Science (DOE SC);High Energy Physics (HEP)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS HEPPH