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Title: General-purpose event generators for LHC physics

Abstract

We review the physics basis, main features and use of general-purpose Monte Carlo event generators for the simulation of proton-proton collisions at the Large Hadron Collider. Topics included are: the generation of hard-scattering matrix elements for processes of interest, at both leading and next-to-leading QCD perturbative order; their matching to approximate treatments of higher orders based on the showering approximation; the parton and dipole shower formulations; parton distribution functions for event generators; non-perturbative aspects such as soft QCD collisions, the underlying event and diffractive processes; the string and cluster models for hadron formation; the treatment of hadron and tau decays; the inclusion of QED radiation and beyond-Standard-Model processes. We describe the principal features of the Ariadne, Herwig++, Pythia 8 and Sherpa generators, together with the Rivet and Professor validation and tuning tools, and discuss the physics philosophy behind the proper use of these generators and tools. This review is aimed at phenomenologists wishing to understand better how parton-level predictions are translated into hadron-level events as well as experimentalists wanting a deeper insight into the tools available for signal and background simulation at the LHC.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1007540
Report Number(s):
SLAC-PUB-14333
arXiv:1101.2599; TRN: US1101441
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Journal Article
Journal Name:
Submitted to Physics Reports
Additional Journal Information:
Journal Name: Submitted to Physics Reports
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; CLUSTER MODEL; DIPOLES; DISTRIBUTION FUNCTIONS; HADRONS; MATRIX ELEMENTS; PHYSICS; QUANTUM CHROMODYNAMICS; RADIATIONS; SIMULATION; TUNING; VALIDATION; Experiment-HEP, Phenomenology-HEP,HEPPH

Citation Formats

Buckley, Andy, /Edinburgh U., Butterworth, Jonathan, /University Coll. London, Gieseke, Stefan, /Karlsruhe U., ITP, Grellscheid, David, /Durham U., IPPP, Hoche, Stefan, /SLAC, Hoeth, Hendrik, Krauss, Frank, /Durham U., IPPP, Lonnblad, Leif, /Lund U., Dept. Theor. Phys. /CERN, Nurse, Emily, /University Coll. London, Richardson, Peter, /Durham U., IPPP, Schumann, Steffen, /Heidelberg U., Seymour, Michael H, /Manchester U., Sjostrand, Torbjorn, /Lund U., Dept. Theor. Phys., Skands, Peter, /CERN, Webber, Bryan, and /Cambridge U. General-purpose event generators for LHC physics. United States: N. p., 2011. Web. doi:10.1016/j.physrep.2011.03.005.
Buckley, Andy, /Edinburgh U., Butterworth, Jonathan, /University Coll. London, Gieseke, Stefan, /Karlsruhe U., ITP, Grellscheid, David, /Durham U., IPPP, Hoche, Stefan, /SLAC, Hoeth, Hendrik, Krauss, Frank, /Durham U., IPPP, Lonnblad, Leif, /Lund U., Dept. Theor. Phys. /CERN, Nurse, Emily, /University Coll. London, Richardson, Peter, /Durham U., IPPP, Schumann, Steffen, /Heidelberg U., Seymour, Michael H, /Manchester U., Sjostrand, Torbjorn, /Lund U., Dept. Theor. Phys., Skands, Peter, /CERN, Webber, Bryan, & /Cambridge U. General-purpose event generators for LHC physics. United States. doi:10.1016/j.physrep.2011.03.005.
Buckley, Andy, /Edinburgh U., Butterworth, Jonathan, /University Coll. London, Gieseke, Stefan, /Karlsruhe U., ITP, Grellscheid, David, /Durham U., IPPP, Hoche, Stefan, /SLAC, Hoeth, Hendrik, Krauss, Frank, /Durham U., IPPP, Lonnblad, Leif, /Lund U., Dept. Theor. Phys. /CERN, Nurse, Emily, /University Coll. London, Richardson, Peter, /Durham U., IPPP, Schumann, Steffen, /Heidelberg U., Seymour, Michael H, /Manchester U., Sjostrand, Torbjorn, /Lund U., Dept. Theor. Phys., Skands, Peter, /CERN, Webber, Bryan, and /Cambridge U. Thu . "General-purpose event generators for LHC physics". United States. doi:10.1016/j.physrep.2011.03.005. https://www.osti.gov/servlets/purl/1007540.
@article{osti_1007540,
title = {General-purpose event generators for LHC physics},
author = {Buckley, Andy and /Edinburgh U. and Butterworth, Jonathan and /University Coll. London and Gieseke, Stefan and /Karlsruhe U., ITP and Grellscheid, David and /Durham U., IPPP and Hoche, Stefan and /SLAC and Hoeth, Hendrik and Krauss, Frank and /Durham U., IPPP and Lonnblad, Leif and /Lund U., Dept. Theor. Phys. /CERN and Nurse, Emily and /University Coll. London and Richardson, Peter and /Durham U., IPPP and Schumann, Steffen and /Heidelberg U. and Seymour, Michael H and /Manchester U. and Sjostrand, Torbjorn and /Lund U., Dept. Theor. Phys. and Skands, Peter and /CERN and Webber, Bryan and /Cambridge U.},
abstractNote = {We review the physics basis, main features and use of general-purpose Monte Carlo event generators for the simulation of proton-proton collisions at the Large Hadron Collider. Topics included are: the generation of hard-scattering matrix elements for processes of interest, at both leading and next-to-leading QCD perturbative order; their matching to approximate treatments of higher orders based on the showering approximation; the parton and dipole shower formulations; parton distribution functions for event generators; non-perturbative aspects such as soft QCD collisions, the underlying event and diffractive processes; the string and cluster models for hadron formation; the treatment of hadron and tau decays; the inclusion of QED radiation and beyond-Standard-Model processes. We describe the principal features of the Ariadne, Herwig++, Pythia 8 and Sherpa generators, together with the Rivet and Professor validation and tuning tools, and discuss the physics philosophy behind the proper use of these generators and tools. This review is aimed at phenomenologists wishing to understand better how parton-level predictions are translated into hadron-level events as well as experimentalists wanting a deeper insight into the tools available for signal and background simulation at the LHC.},
doi = {10.1016/j.physrep.2011.03.005},
journal = {Submitted to Physics Reports},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {3}
}