Stochastically sampling color configurations

Isaacson, Joshua; Prestel, Stefan

doi:10.1103/PhysRevD.99.014021

Title: Stochastically sampling color configurations

Abstract

Parton shower algorithms are key components of theoretical predictions for high-energy collider physics. Work toward more accurate parton shower algorithms is thus pursued along many different avenues. The systematic treatment of subleading color corrections in parton shower algorithms is, however, technically challenging and remains elusive. In this article, we present an efficient and numerically stable algorithm to sample color configurations at fixed N_C = 3, using the correct color factor including subleading corrections with a parton shower. As a result, the algorithm is implemented as stand-alone program that can be interfaced to the Pythia event generator. Preliminary comparisons to Large Electron-Positron Collider data are presented.

Authors:: Isaacson, Joshua; Prestel, Stefan

Publication Date:: Tue Jan 15 00:00:00 EST 2019

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

OSTI Identifier:: 1490911

Alternate Identifier(s):: OSTI ID: 1467055

Report Number(s):: arXiv:1806.10102; FERMILAB-PUB-18-296-T
Journal ID: ISSN 2470-0010; PRVDAQ; 014021

Grant/Contract Number:: AC02–07CH11359; AC02-07CH11359

Resource Type:: Published Article

Journal Name:: Physical Review. D.

Additional Journal Information:: Journal Name: Physical Review. D. Journal Volume: 99 Journal Issue: 1; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Isaacson, Joshua, and Prestel, Stefan. Stochastically sampling color configurations.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.99.014021.

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                    Isaacson, Joshua, & Prestel, Stefan. Stochastically sampling color configurations.  United States.  https://doi.org/10.1103/PhysRevD.99.014021

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                    Isaacson, Joshua, and Prestel, Stefan. Tue .  
"Stochastically sampling color configurations".  United States.  https://doi.org/10.1103/PhysRevD.99.014021.

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@article{osti_1490911,

  title        = {Stochastically sampling color configurations},

  author       = {Isaacson, Joshua and Prestel, Stefan},

  abstractNote = {Parton shower algorithms are key components of theoretical predictions for high-energy collider physics. Work toward more accurate parton shower algorithms is thus pursued along many different avenues. The systematic treatment of subleading color corrections in parton shower algorithms is, however, technically challenging and remains elusive. In this article, we present an efficient and numerically stable algorithm to sample color configurations at fixed NC = 3, using the correct color factor including subleading corrections with a parton shower. As a result, the algorithm is implemented as stand-alone program that can be interfaced to the Pythia event generator. Preliminary comparisons to Large Electron-Positron Collider data are presented.},

  doi          = {10.1103/PhysRevD.99.014021},

  journal      = {Physical Review. D.},

  number       = 1,

  volume       = 99,

  place        = {United States},

  year         = {Tue Jan 15 00:00:00 EST 2019},

  month        = {Tue Jan 15 00:00:00 EST 2019}

}

Copy to clipboard

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Cited by: 15 works

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Figures / Tables:

Table I: Color variables in the color operators for quarks, antiquarks, and gluons.

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Works referenced in this record:

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Similar Records

Title: Stochastically sampling color configurations

Abstract

Citation Formats

Figures / Tables:

Ordering variable for parton showers journal, June 2014

Color-flow decomposition of QCD amplitudes journal, January 2003

Orthogonal multiplet bases in SU(N c ) color space journal, September 2012

Reconnecting coloured dipoles journal, March 1996

Summing soft emission in QCD journal, April 1982

Higher-order corrections to timelike jets journal, September 2011

The gluon form factor to higher orders: Gluon-gluon annihilation at small Qt journal, September 1988

Ariadne version 4 — A program for simulation of QDC cascades implementing the colour dipole model journal, August 1992

PYTHIA 6.4 physics and manual journal, May 2006

Coherent parton showers with local recoils journal, January 2011

QCD analyses and determinations of $\alpha_s$ in ${\rm e}^+{\rm e}^-$ annihilation at energies between 35 and 189 GeV journal, October 2000

A standard format for Les Houches Event Files journal, February 2007

FastJet user manual: (for version 3.0.2) journal, March 2012

A general algorithm for calculating jet cross sections in NLO QCD journal, February 1997

Fooling around with the Sudakov veto algorithm journal, March 2013

Drell-Yan cross sections at small transverse momentum journal, January 1985

Coulomb gluons and the ordering variable journal, December 2015

Effects of overlapping strings in pp collisions journal, March 2015

A model for parton showers in QCD journal, June 1980

A model for initial state parton showers journal, July 1985

A QCD model for jet fragmentation including soft gluon interference journal, June 1984

The midpoint between dipole and parton showers journal, September 2015

Small- x dipole evolution beyond the large- N c limit journal, January 2007

Simulation of QCD jets including soft gluon interference journal, May 1984

Non-leading corrections to the Drell-Yan cross section at small transverse momentum journal, October 1984

Studies of QCD at ${\rm e}^ + {\rm e}^-$ centre-of-mass energies between 91 and 209 GeV journal, July 2004

Leading-color fully differential two-loop soft corrections to QCD dipole showers journal, October 2018

General-purpose event generators for LHC physics journal, July 2011

New clustering algorithm for multijet cross sections in e+e− annihilation journal, October 1991

Summing threshold logs in a parton shower journal, October 2016

The Sudakov veto algorithm reloaded journal, March 2012

Soft gluon evolution and non-global logarithms journal, May 2018

Rivet user manual journal, December 2013

Monte Carlo Simulation of Hard Hadronic Processes journal, December 1986

Dipole formulation of QCD cascades journal, September 1988

Parton fragmentation and string dynamics journal, July 1983

Subleading Nc improved parton showers journal, July 2012

Monte Carlo simulation of general hard processes with coherent QCD radiation journal, December 1988

A parton shower algorithm based on Catani-Seymour dipole factorisation journal, March 2008

Asymptotic freedom in parton language journal, August 1977

Parton showers with quantum interference journal, September 2007

The string effect and QCD coherence journal, December 1985

An introduction to PYTHIA 8.2 journal, June 2015

Hard photon production and matrix-element parton-shower merging journal, February 2010

Colour rearrangement for dipole showers journal, July 2018

Jets and threshold summation in deductor journal, July 2018

Initial-State Interactions and the Drell-Yan Process journal, December 1981

Ordering Multiple Soft Gluon Emissions journal, May 2016

Effects of subleading color in a parton shower journal, July 2015

Soft partons in QCD journal, July 1981

Parton shower evolution with subleading color journal, June 2012

Similarity of parton and hadron spectra in QCD jets journal, March 1985

Ordering variable for parton showers
journal, June 2014

Color-flow decomposition of QCD amplitudes
journal, January 2003

Orthogonal multiplet bases in SU(N c ) color space
journal, September 2012

Reconnecting coloured dipoles
journal, March 1996

Summing soft emission in QCD
journal, April 1982

Higher-order corrections to timelike jets
journal, September 2011

The gluon form factor to higher orders: Gluon-gluon annihilation at small Qt
journal, September 1988

Ariadne version 4 — A program for simulation of QDC cascades implementing the colour dipole model
journal, August 1992

PYTHIA 6.4 physics and manual
journal, May 2006

Coherent parton showers with local recoils
journal, January 2011

QCD analyses and determinations of $\alpha_s$ in ${\rm e}^+{\rm e}^-$ annihilation at energies between 35 and 189 GeV
journal, October 2000

A standard format for Les Houches Event Files
journal, February 2007

FastJet user manual: (for version 3.0.2)
journal, March 2012

A general algorithm for calculating jet cross sections in NLO QCD
journal, February 1997

Fooling around with the Sudakov veto algorithm
journal, March 2013

Drell-Yan cross sections at small transverse momentum
journal, January 1985

Coulomb gluons and the ordering variable
journal, December 2015

Effects of overlapping strings in pp collisions
journal, March 2015

A model for parton showers in QCD
journal, June 1980

A model for initial state parton showers
journal, July 1985

A QCD model for jet fragmentation including soft gluon interference
journal, June 1984

The midpoint between dipole and parton showers
journal, September 2015

Small- x dipole evolution beyond the large- N _c limit
journal, January 2007

Simulation of QCD jets including soft gluon interference
journal, May 1984

Non-leading corrections to the Drell-Yan cross section at small transverse momentum
journal, October 1984

Studies of QCD at ${\rm e}^ + {\rm e}^-$ centre-of-mass energies between 91 and 209 GeV
journal, July 2004

Leading-color fully differential two-loop soft corrections to QCD dipole showers
journal, October 2018

General-purpose event generators for LHC physics
journal, July 2011

New clustering algorithm for multijet cross sections in e+e− annihilation
journal, October 1991

Summing threshold logs in a parton shower
journal, October 2016

The Sudakov veto algorithm reloaded
journal, March 2012

Soft gluon evolution and non-global logarithms
journal, May 2018

Rivet user manual
journal, December 2013

Monte Carlo Simulation of Hard Hadronic Processes
journal, December 1986

Dipole formulation of QCD cascades
journal, September 1988

Parton fragmentation and string dynamics
journal, July 1983

Subleading Nc improved parton showers
journal, July 2012

Monte Carlo simulation of general hard processes with coherent QCD radiation
journal, December 1988

A parton shower algorithm based on Catani-Seymour dipole factorisation
journal, March 2008

Asymptotic freedom in parton language
journal, August 1977

Parton showers with quantum interference
journal, September 2007

The string effect and QCD coherence
journal, December 1985

An introduction to PYTHIA 8.2
journal, June 2015

Hard photon production and matrix-element parton-shower merging
journal, February 2010

Colour rearrangement for dipole showers
journal, July 2018

Jets and threshold summation in deductor
journal, July 2018

Initial-State Interactions and the Drell-Yan Process
journal, December 1981

Ordering Multiple Soft Gluon Emissions
journal, May 2016

Effects of subleading color in a parton shower
journal, July 2015

Soft partons in QCD
journal, July 1981

Parton shower evolution with subleading color
journal, June 2012

Similarity of parton and hadron spectra in QCD jets
journal, March 1985