Modules parameters

Modules parameters#

CepGen version N/A
Documentation last generated on April 22, 2025

Processes

lpair γγ → l⁺l¯ (LPAIR)

List of parameters:

mg5_aMC MadGraph_aMC process builder

List of parameters:

  • alphaEM e-m coupling evolution algorithm
    fixed e-m coupling evolution algorithm

    List of parameters:

    • value Constant value for alpha(EM) (default value: 0.007297352573756914)

  • alphaS strong coupling evolution algorithm
    pegasus strong coupling evolution algorithm

    List of parameters:

    • asmur (default value: 0.49128)
    • fr2 (default value: 1.0)
    • iord Evolution order (default value: 2)
    • mur (default value: 1.0)

  • cardPath Temporary file where to store the input card for MadGraph_aMC (default value: /tmp/cepgen_mg5_input.dat)
  • extraParticles define internal MadGraph alias for a particle name (default value: {})
  • hasEvent does the process carry an event definition (default value: true)
  • kinematics
    BudnevElastic

    List of parameters:

    • beam1A Atomic weight of the positive-z ion beam (default value: 0)
    • beam1Z Atomic number of the positive-z ion beam (default value: -1)
    • beam1id PDG id of the positive-z beam particle (default value: 0)
    • beam2A Atomic weight of the negative-z ion beam (default value: 0)
    • beam2Z Atomic number of the negative-z ion beam (default value: -1)
    • beam2id PDG id of the negative-z beam particle (default value: 0)
    • central
      parameters list
      • dphi System D(phi) (rad) (default value: no cuts)
      • energy Single particle energy (GeV) (default value: no cuts)
      • energysum System energy (GeV) (default value: no cuts)
      • eta Single particle eta (default value: no cuts)
      • etasum System eta (default value: no cuts)
      • invmass System mass (GeV/c^2) (default value: no cuts)
      • mass Single particle mass (GeV/c^2) (default value: no cuts)
      • phi Single particle azimuthal angle (default value: 0 to 6.28319)
      • pt Single particle pt (GeV/c) (default value: above 0)
      • ptdiff System D(pt) (GeV/c) (default value: no cuts)
      • ptsum System pt (GeV/c) (default value: no cuts)
      • rapidity Single particle rapidity (default value: no cuts)
      • rapiditydiff System D(Y) (default value: no cuts)
    • energies Beam energies (in GeV/c)
    • formFactors vector of parameters defining a Beam form factors modelling
      StandardDipoleChildren attributes
      • pdgId (default value: 2212)
      • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)
    • initial
      parameters list
      • phi Partons D(phi) (rad) (default value: no cuts)
      • q2 Parton virtuality(ies) (GeV^2) (default value: 0 to 100000,0 to 100000)
      • qt Transverse virtuality (GeV) (default value: no cuts)
    • kmrGridPath path to the KMR interpolation grid
    • mode Process kinematics mode (default value: 0). Allowed values:
      • 1 (elastic)
      • 2 (elastic-inelastic)
      • 3 (inelastic-elastic)
      • 4 (double-dissociative)
    • pdgIds PDG ids of incoming beam particles
    • pz Beam momenta (in GeV/c)
    • remnants
      parameters list
      • mx Diffractive mass (GeV/c^2) (default value: 1.07 to 1000)
      • xi Longit.fract.mom. loss ("xi") (default value: no cuts)
      • yj Diffractive jet rapidity (default value: no cuts)
    • sqrtS Two-beam centre of mass energy (in GeV) (default value: 0.0)
    • structureFunctions Beam inelastic structure functions modelling
      SuriYennie Beam inelastic structure functions modelling

      List of parameters:

      • Bp (default value: 0.63)
      • C1 (default value: 0.86926)
      • C2 (default value: 2.23422)
      • Cp (default value: 0.96)
      • D1 (default value: 0.12549)
      • rho2 (default value: 0.585)
      • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
        SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

        List of parameters:

        • a (default value: 0.014)
        • b1 (default value: -0.07000000000000001)
        • b2 (default value: -0.8)
        • c (default value: 41.0)

  • kinematicsGenerator (default value: Module("kt:2to4"))
  • lib Precompiled library for this process definition
  • logFile Temporary path where to store the log for this run (default value: /tmp/cepgen_mg5_aMC.log)
  • model MadGraph_aMC model name (default value: sm-full)
  • modelParameters list of model parameters for the process generation (default value: {})
  • parametersCard Runtime MadGraph parameters card (default value: param_card.dat)
  • process MadGraph_aMC process definition
  • randomGenerator random number generator engine
    stl random number generator engine

    List of parameters:

    • seed Random number generator seed (default value: 1745365517)
    • type random number engine (default value: default). Allowed values:
      • default (implementation-defined algorithm)
      • knuth_b (PRN engine adaptor discarding a certain amount of data produced by base engine (389, 11))
      • minstd_rand (Newer "Minimum standard", recommended by Park, Miller, and Stockmeyer in 1993)
      • minstd_rand0 (Discovered in 1969 by Lewis, Goodman and Miller, adopted as "Minimal standard" in 1988 by Park and Miller)
      • mt19937 (32-bit Mersenne Twister by Matsumoto and Nishimura, 1998)
      • mt19937_64 (64-bit Mersenne Twister by Matsumoto and Nishimura, 2000)
      • ranlux24 (24-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux24_base (subtract-w/-carry algorithm (24, 10, 24))
      • ranlux48 (48-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux48_base (subtract-w/-carry algorithm (48, 5, 12))

  • standaloneCppPath
  • storeAlphas store electromagnetic & strong coupling constants in event content? (default value: false)
  • symmetrise Symmetrise along z the central system? (default value: false)
  • tmpDir Temporary path where to store the MadGraph_aMC process definition files (default value: /tmp/cepgen_mg5_aMC)

pptoff γγ → f⁺f¯

List of parameters:

  • alphaEM e-m coupling evolution algorithm
    fixed e-m coupling evolution algorithm

    List of parameters:

    • value Constant value for alpha(EM) (default value: 0.007297352573756914)

  • alphaS strong coupling evolution algorithm
    pegasus strong coupling evolution algorithm

    List of parameters:

    • asmur (default value: 0.49128)
    • fr2 (default value: 1.0)
    • iord Evolution order (default value: 2)
    • mur (default value: 1.0)

  • hasEvent does the process carry an event definition (default value: true)
  • kinematics
    BudnevElastic

    List of parameters:

    • beam1A Atomic weight of the positive-z ion beam (default value: 0)
    • beam1Z Atomic number of the positive-z ion beam (default value: -1)
    • beam1id PDG id of the positive-z beam particle (default value: 0)
    • beam2A Atomic weight of the negative-z ion beam (default value: 0)
    • beam2Z Atomic number of the negative-z ion beam (default value: -1)
    • beam2id PDG id of the negative-z beam particle (default value: 0)
    • central
      parameters list
      • dphi System D(phi) (rad) (default value: no cuts)
      • energy Single particle energy (GeV) (default value: no cuts)
      • energysum System energy (GeV) (default value: no cuts)
      • eta Single particle eta (default value: no cuts)
      • etasum System eta (default value: no cuts)
      • invmass System mass (GeV/c^2) (default value: no cuts)
      • mass Single particle mass (GeV/c^2) (default value: no cuts)
      • phi Single particle azimuthal angle (default value: 0 to 6.28319)
      • pt Single particle pt (GeV/c) (default value: above 0)
      • ptdiff System D(pt) (GeV/c) (default value: no cuts)
      • ptsum System pt (GeV/c) (default value: no cuts)
      • rapidity Single particle rapidity (default value: no cuts)
      • rapiditydiff System D(Y) (default value: no cuts)
    • energies Beam energies (in GeV/c)
    • formFactors vector of parameters defining a Beam form factors modelling
      StandardDipoleChildren attributes
      • pdgId (default value: 2212)
      • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)
    • initial
      parameters list
      • phi Partons D(phi) (rad) (default value: no cuts)
      • q2 Parton virtuality(ies) (GeV^2) (default value: 0 to 100000,0 to 100000)
      • qt Transverse virtuality (GeV) (default value: no cuts)
    • kmrGridPath path to the KMR interpolation grid
    • mode Process kinematics mode (default value: 0). Allowed values:
      • 1 (elastic)
      • 2 (elastic-inelastic)
      • 3 (inelastic-elastic)
      • 4 (double-dissociative)
    • pdgIds PDG ids of incoming beam particles
    • pz Beam momenta (in GeV/c)
    • remnants
      parameters list
      • mx Diffractive mass (GeV/c^2) (default value: 1.07 to 1000)
      • xi Longit.fract.mom. loss ("xi") (default value: no cuts)
      • yj Diffractive jet rapidity (default value: no cuts)
    • sqrtS Two-beam centre of mass energy (in GeV) (default value: 0.0)
    • structureFunctions Beam inelastic structure functions modelling
      SuriYennie Beam inelastic structure functions modelling

      List of parameters:

      • Bp (default value: 0.63)
      • C1 (default value: 0.86926)
      • C2 (default value: 2.23422)
      • Cp (default value: 0.96)
      • D1 (default value: 0.12549)
      • rho2 (default value: 0.585)
      • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
        SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

        List of parameters:

        • a (default value: 0.014)
        • b1 (default value: -0.07000000000000001)
        • b2 (default value: -0.8)
        • c (default value: 41.0)

  • kinematicsGenerator (default value: Module("kt:2to4"))
  • method Matrix element computation method (default value: 1). Allowed values:
    • 0 (on-shell)
    • 1 (off-shell)
  • offShellParameters
    parameters list
    • mat1 symmetry factor for the first incoming photon (default value: 1)
    • mat2 symmetry factor for the second incoming photon (default value: 1)
    • termLL fully longitudinal relative weight (default value: 1)
    • termLT cross-polarisation relative weight (default value: 1)
    • termTT fully transverse relative weight (default value: 1)
    • termtt fully transverse relative weight (default value: 1)
  • pair type of central particles emitted (default value: 13)
  • randomGenerator random number generator engine
    stl random number generator engine

    List of parameters:

    • seed Random number generator seed (default value: 1745365517)
    • type random number engine (default value: default). Allowed values:
      • default (implementation-defined algorithm)
      • knuth_b (PRN engine adaptor discarding a certain amount of data produced by base engine (389, 11))
      • minstd_rand (Newer "Minimum standard", recommended by Park, Miller, and Stockmeyer in 1993)
      • minstd_rand0 (Discovered in 1969 by Lewis, Goodman and Miller, adopted as "Minimal standard" in 1988 by Park and Miller)
      • mt19937 (32-bit Mersenne Twister by Matsumoto and Nishimura, 1998)
      • mt19937_64 (64-bit Mersenne Twister by Matsumoto and Nishimura, 2000)
      • ranlux24 (24-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux24_base (subtract-w/-carry algorithm (24, 10, 24))
      • ranlux48 (48-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux48_base (subtract-w/-carry algorithm (48, 5, 12))

  • storeAlphas store electromagnetic & strong coupling constants in event content? (default value: false)
  • symmetrise Symmetrise along z the central system? (default value: false)

pptoff_f77 (p/A)(p/A) ↝ (g/γ)γ → f⁺f¯

List of parameters:

  • alphaEM e-m coupling evolution algorithm
    fixed e-m coupling evolution algorithm

    List of parameters:

    • value Constant value for alpha(EM) (default value: 0.007297352573756914)

  • alphaS strong coupling evolution algorithm
    pegasus strong coupling evolution algorithm

    List of parameters:

    • asmur (default value: 0.49128)
    • fr2 (default value: 1.0)
    • iord Evolution order (default value: 2)
    • mur (default value: 1.0)

  • hasEvent does the process carry an event definition (default value: true)
  • kinematics
    BudnevElastic

    List of parameters:

    • beam1A Atomic weight of the positive-z ion beam (default value: 0)
    • beam1Z Atomic number of the positive-z ion beam (default value: -1)
    • beam1id PDG id of the positive-z beam particle (default value: 0)
    • beam2A Atomic weight of the negative-z ion beam (default value: 0)
    • beam2Z Atomic number of the negative-z ion beam (default value: -1)
    • beam2id PDG id of the negative-z beam particle (default value: 0)
    • central
      parameters list
      • dphi System D(phi) (rad) (default value: no cuts)
      • energy Single particle energy (GeV) (default value: no cuts)
      • energysum System energy (GeV) (default value: no cuts)
      • eta Single particle eta (default value: no cuts)
      • etasum System eta (default value: no cuts)
      • invmass System mass (GeV/c^2) (default value: no cuts)
      • mass Single particle mass (GeV/c^2) (default value: no cuts)
      • phi Single particle azimuthal angle (default value: 0 to 6.28319)
      • pt Single particle pt (GeV/c) (default value: above 0)
      • ptdiff System D(pt) (GeV/c) (default value: no cuts)
      • ptsum System pt (GeV/c) (default value: no cuts)
      • rapidity Single particle rapidity (default value: no cuts)
      • rapiditydiff System D(Y) (default value: no cuts)
    • energies Beam energies (in GeV/c)
    • formFactors vector of parameters defining a Beam form factors modelling
      StandardDipoleChildren attributes
      • pdgId (default value: 2212)
      • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)
    • initial
      parameters list
      • phi Partons D(phi) (rad) (default value: no cuts)
      • q2 Parton virtuality(ies) (GeV^2) (default value: 0 to 100000,0 to 100000)
      • qt Transverse virtuality (GeV) (default value: no cuts)
    • kmrGridPath path to the KMR interpolation grid
    • mode Process kinematics mode (default value: 0). Allowed values:
      • 1 (elastic)
      • 2 (elastic-inelastic)
      • 3 (inelastic-elastic)
      • 4 (double-dissociative)
    • pdgIds PDG ids of incoming beam particles
    • pz Beam momenta (in GeV/c)
    • remnants
      parameters list
      • mx Diffractive mass (GeV/c^2) (default value: 1.07 to 1000)
      • xi Longit.fract.mom. loss ("xi") (default value: no cuts)
      • yj Diffractive jet rapidity (default value: no cuts)
    • sqrtS Two-beam centre of mass energy (in GeV) (default value: 0.0)
    • structureFunctions Beam inelastic structure functions modelling
      SuriYennie Beam inelastic structure functions modelling

      List of parameters:

      • Bp (default value: 0.63)
      • C1 (default value: 0.86926)
      • C2 (default value: 2.23422)
      • Cp (default value: 0.96)
      • D1 (default value: 0.12549)
      • rho2 (default value: 0.585)
      • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
        SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

        List of parameters:

        • a (default value: 0.014)
        • b1 (default value: -0.07000000000000001)
        • b2 (default value: -0.8)
        • c (default value: 41.0)

  • kinematicsGenerator (default value: Module("kt:2to4"))
  • randomGenerator random number generator engine
    stl random number generator engine

    List of parameters:

    • seed Random number generator seed (default value: 1745365517)
    • type random number engine (default value: default). Allowed values:
      • default (implementation-defined algorithm)
      • knuth_b (PRN engine adaptor discarding a certain amount of data produced by base engine (389, 11))
      • minstd_rand (Newer "Minimum standard", recommended by Park, Miller, and Stockmeyer in 1993)
      • minstd_rand0 (Discovered in 1969 by Lewis, Goodman and Miller, adopted as "Minimal standard" in 1988 by Park and Miller)
      • mt19937 (32-bit Mersenne Twister by Matsumoto and Nishimura, 1998)
      • mt19937_64 (64-bit Mersenne Twister by Matsumoto and Nishimura, 2000)
      • ranlux24 (24-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux24_base (subtract-w/-carry algorithm (24, 10, 24))
      • ranlux48 (48-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux48_base (subtract-w/-carry algorithm (48, 5, 12))

  • storeAlphas store electromagnetic & strong coupling constants in event content? (default value: false)
  • symmetrise Symmetrise along z the central system? (default value: false)

pptoww γγ → W⁺W¯

List of parameters:

  • alphaEM e-m coupling evolution algorithm
    fixed e-m coupling evolution algorithm

    List of parameters:

    • value Constant value for alpha(EM) (default value: 0.007297352573756914)

  • alphaS strong coupling evolution algorithm
    pegasus strong coupling evolution algorithm

    List of parameters:

    • asmur (default value: 0.49128)
    • fr2 (default value: 1.0)
    • iord Evolution order (default value: 2)
    • mur (default value: 1.0)

  • eftParameters
    parameters list
    • mH Higgs mass (in GeV/c2) (default value: 0.0)
    • s1 (default value: 0.0)
  • hasEvent does the process carry an event definition (default value: true)
  • kinematics
    BudnevElastic

    List of parameters:

    • beam1A Atomic weight of the positive-z ion beam (default value: 0)
    • beam1Z Atomic number of the positive-z ion beam (default value: -1)
    • beam1id PDG id of the positive-z beam particle (default value: 0)
    • beam2A Atomic weight of the negative-z ion beam (default value: 0)
    • beam2Z Atomic number of the negative-z ion beam (default value: -1)
    • beam2id PDG id of the negative-z beam particle (default value: 0)
    • central
      parameters list
      • dphi System D(phi) (rad) (default value: no cuts)
      • energy Single particle energy (GeV) (default value: no cuts)
      • energysum System energy (GeV) (default value: no cuts)
      • eta Single particle eta (default value: no cuts)
      • etasum System eta (default value: no cuts)
      • invmass System mass (GeV/c^2) (default value: no cuts)
      • mass Single particle mass (GeV/c^2) (default value: no cuts)
      • phi Single particle azimuthal angle (default value: 0 to 6.28319)
      • pt Single particle pt (GeV/c) (default value: above 0)
      • ptdiff System D(pt) (GeV/c) (default value: no cuts)
      • ptsum System pt (GeV/c) (default value: no cuts)
      • rapidity Single particle rapidity (default value: no cuts)
      • rapiditydiff System D(Y) (default value: no cuts)
    • energies Beam energies (in GeV/c)
    • formFactors vector of parameters defining a Beam form factors modelling
      StandardDipoleChildren attributes
      • pdgId (default value: 2212)
      • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)
    • initial
      parameters list
      • phi Partons D(phi) (rad) (default value: no cuts)
      • q2 Parton virtuality(ies) (GeV^2) (default value: 0 to 100000,0 to 100000)
      • qt Transverse virtuality (GeV) (default value: no cuts)
    • kmrGridPath path to the KMR interpolation grid
    • mode Process kinematics mode (default value: 0). Allowed values:
      • 1 (elastic)
      • 2 (elastic-inelastic)
      • 3 (inelastic-elastic)
      • 4 (double-dissociative)
    • pdgIds PDG ids of incoming beam particles
    • pz Beam momenta (in GeV/c)
    • remnants
      parameters list
      • mx Diffractive mass (GeV/c^2) (default value: 1.07 to 1000)
      • xi Longit.fract.mom. loss ("xi") (default value: no cuts)
      • yj Diffractive jet rapidity (default value: no cuts)
    • sqrtS Two-beam centre of mass energy (in GeV) (default value: 0.0)
    • structureFunctions Beam inelastic structure functions modelling
      SuriYennie Beam inelastic structure functions modelling

      List of parameters:

      • Bp (default value: 0.63)
      • C1 (default value: 0.86926)
      • C2 (default value: 2.23422)
      • Cp (default value: 0.96)
      • D1 (default value: 0.12549)
      • rho2 (default value: 0.585)
      • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
        SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

        List of parameters:

        • a (default value: 0.014)
        • b1 (default value: -0.07000000000000001)
        • b2 (default value: -0.8)
        • c (default value: 41.0)

  • kinematicsGenerator (default value: Module("kt:2to4"))
  • ktFactorised (default value: true)
  • method Matrix element computation method (default value: 1). Allowed values:
    • 0 (on-shell)
    • 1 (off-shell by Nachtmann et al.)
  • model SM/anomalous model to consider (default value: 0)
  • polarisationStates
    parameters list
    • W1 First polarisation states (default value: -1,0,1)
    • W2 Second polarisation states (default value: -1,0,1)
    • mode (default value: -1)
  • randomGenerator random number generator engine
    stl random number generator engine

    List of parameters:

    • seed Random number generator seed (default value: 1745365517)
    • type random number engine (default value: default). Allowed values:
      • default (implementation-defined algorithm)
      • knuth_b (PRN engine adaptor discarding a certain amount of data produced by base engine (389, 11))
      • minstd_rand (Newer "Minimum standard", recommended by Park, Miller, and Stockmeyer in 1993)
      • minstd_rand0 (Discovered in 1969 by Lewis, Goodman and Miller, adopted as "Minimal standard" in 1988 by Park and Miller)
      • mt19937 (32-bit Mersenne Twister by Matsumoto and Nishimura, 1998)
      • mt19937_64 (64-bit Mersenne Twister by Matsumoto and Nishimura, 2000)
      • ranlux24 (24-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux24_base (subtract-w/-carry algorithm (24, 10, 24))
      • ranlux48 (48-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
      • ranlux48_base (subtract-w/-carry algorithm (48, 5, 12))

  • storeAlphas store electromagnetic & strong coupling constants in event content? (default value: false)
  • symmetrise Symmetrise along z the central system? (default value: false)

Cards handler

.cmd Command line configuration parser

List of parameters:

  • args Collection of arguments to be parsed
  • filename Steering card to parse

.info
.json
.py Python 2/3 cards parser

List of parameters:

  • debugging debugging level (default value: 0)
  • filename Steering card to parse
  • verbosity verbosity level (default value: 0)

.xml

Form factors

Brash Brash et al.

List of parameters:

  • coeffGM coefficients for the G_M functional form (default value: 0.116, 2.874, 0.241, 1.006, 0.345)
  • coeffR coefficients for the G_E/G_M ratio functional form (default value: 0.13, 0.04)
  • pdgId (default value: 2212)
  • q2max maximal Q^2 supported (in GeV^2) (default value: 7.7)

HeavyIonDipole Heavy ion dipole

List of parameters:

  • pdgId (default value: 10082207)
  • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

InelasticNucleon Proton inelastic (SF)

List of parameters:

  • computeFM compute, or neglect the F2/xbj^3 term (default value: false)
  • integrator type of numerical integrator algorithm to use
    gsl type of numerical integrator algorithm to use

    List of parameters:

    • alpha alpha parameter for the fixed type integration (default value: 0.0)
    • beta alpha parameter for the fixed type integration (default value: 0.0)
    • epsabs desired absolute error limit (default value: 0.0)
    • epsrel desired relative error limit (default value: 0.1)
    • fixedType type of quadrature (default value: 3)
    • integrandParameters parameters for the integrand (default value: {})
    • limit maximum number of sub-intervals to build (default value: 1000)
    • mode integrator algorithm to use (default value: 0)
    • nodes number of quadrature nodes for the fixed type integration (default value: 100)
    • verbosity integrator verbosity (default value: 0)

  • mxRange diffractive mass range (in GeV/c^2) (default value: 1.0732 to 20)
  • pdgId (default value: 2212)
  • structureFunctions type of structure functions parameterisation for the dissociative emission (default value: Module("LUXLike"))

Kelly Kelly

List of parameters:

  • aE (default value: 1, -0.24)
  • aM (default value: 1, 0.12)
  • bE (default value: 10.98, 12.82, 21.97)
  • bM (default value: 10.97, 18.86, 6.55)
  • pdgId (default value: 2212)

Mergell Mergell et al.

List of parameters:

  • LambdaSq (default value: 9.733000000000001)
  • d1terms (default value: 0.611, 1.039, 2.56)
  • d2terms (default value: 2.103, 2.734, 2.835)
  • fs1Coefficients (default value: 9.464, -9.054, -0.41)
  • fs2Coefficients (default value: -1.549, 1.985, -0.436)
  • fv1Coefficients (default value: -38.885, 425.007, -389.742)
  • fv2Coefficients (default value: -73.535, 83.211, -29.467)
  • gamma (default value: 2.148)
  • pdgId (default value: 2212)
  • q20inv (default value: 2.857142857142857)
  • rho1Coefficients (default value: 1.0317, 0.0875, 0.3176, 0.5496)
  • rho2Coefficients (default value: 5.7824, 0.3907, 0.1422, 0.5362)

PointLikeFermion Point-like fermion

List of parameters:

  • pdgId (default value: 11)

PointLikeScalar Point-like scalar

List of parameters:

  • pdgId (default value: 2212)

StandardDipole Standard dipole

List of parameters:

  • pdgId (default value: 2212)
  • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

Structure functions

ALLM97 (index 202) ALLM97 (continuum, FT/HERA photoprod. tot.x-s 1356 points fit)

List of parameters:

  • lambda2 squared QCD scale (in GeV^2 (default value: 0.06526)
  • m02 effective photon squared mass (in GeV^2) (default value: 0.31985)
  • mp2 effective pomeron squared mass (in GeV^2) (default value: 49.457)
  • mr2 effective reggeon squared mass (in GeV^2) (default value: 0.15052)
  • pomeronTrajectory
    parameters list
    • a (default value: -0.0808, -0.44812, 1.1709)
    • b (default value: 0.36292, 1.8917, 1.8439)
    • c (default value: 0.28067, 0.22291, 2.1979)
  • q02 (default value: 0.52544)
  • reggeonTrajectory
    parameters list
    • a (default value: 0.584, 0.37888, 2.6063)
    • b (default value: 0.01147, 3.7582, 0.49338)
    • c (default value: 0.80107, 0.97307, 3.4924)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

BlockDurandHa (index 13) Block-Durand-Ha (continuum)

List of parameters:

  • Lambda (default value: 2.43)
  • a (default value: 0.0008205, -0.05148, -0.004725)
  • b (default value: 0.002217, 0.01244, 0.0005958)
  • c (default value: 0.255, 0.1475)
  • m2 (default value: 0.753)
  • mu2 (default value: 2.82)
  • n (default value: 11.49)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

BodekKangXu (index 304) Bodek, Kang, and Xu

List of parameters:

  • constants (default value: 1.07412, 0.755311, 3.35065, 1.7447, 3.51024, 1.04, 1.22991, 0.106254, 0.481328, 1.51015, 0.081662, 0.655872, 1.71762, 0.12552, 0.747338, 1.95382, 0.198915, -0.174985, 0.00967019, -0.0352567, 3.51852, -0.599937, 4.76158, 0.411676)
  • q0 (default value: 1.0)
  • r (default value: 0.18)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))
  • spins (default value: 1,2,3,2)

CLAS (index 103) CLAS

List of parameters:

  • model Nucleon modelling (default value: proton). Allowed values:
    • deuteron (parton-from-deuteron)
    • neutron (parton-from-neutron)
    • proton (parton-from-proton)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

Capella (index 106) Capella et al.

List of parameters:

  • A (default value: 0.1502)
  • Bd (default value: 0.1798)
  • Bu (default value: 1.2064)
  • alphaR Reggeon intercept (default value: 0.415)
  • coefficients (default value: 0.2631, 0.6452, 3.5489, 1.117)
  • delta0 effective intercept at Q^2=0 (default value: 0.08)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

ChristyBosted (index 102) Christy-Bosted (low-mass resonances)

List of parameters:

  • continuum vector of parameters
    Children attributes
    • fitParameters (default value: 0, 0, 0, 0)
    • sig0 (default value: 0.0)
    Default vector content

    1. parameters list
      • fitParameters (default value: 0.067469, 1.3501, 0.12054, -0.0038495)
      • sig0 (default value: 246.06)
    2. parameters list
      • fitParameters (default value: 0.20977, 1.5715, 0.090736, 0.010362)
      • sig0 (default value: -89.36)
    3. parameters list
      • fitParameters (default value: 4.0294, 3.1285, 0.33403, 4.9623)
      • sig0 (default value: 86.746)

  • m0 (default value: 4.2802)
  • q20 Q^2 scale for the modification of the parameterisation (default value: 8.0)
  • q21 (default value: 30.0)
  • resonances vector of parameters defining a collection of resonances modelled in this fit
    Children attributes
    • A0L (default value: 0.0)
    • A0T (default value: 0.0)
    • angularMomentum meson angular momentum (default value: 0)
    • branchingRatios
      parameters list
      • doublePi branching fraction for a resonance decay into a pion pair (default value: 0.0)
      • eta branching fraction for a resonance decay into an eta (default value: 0.0)
      • singlePi branching fraction for a resonance decay into a single pion (default value: 0.0)
    • fitParameters (default value: 0, 0, 0, 0, 0)
    • mass mass, in GeV/c^2 (default value: 0.0)
    • width full width, in GeV (default value: 0.0)
    • x0 damping parameter (default value: 0.0)
    Default vector content

    1. parameters list
      • A0L (default value: 29.414)
      • A0T (default value: 7.7805)
      • angularMomentum (default value: 1)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.0)
        • eta (default value: 0.0)
        • singlePi (default value: 1.0)
      • fitParameters (default value: 4.2291, 1.2598, 2.1242, 19.91, 0.22587)
      • mass (default value: 1.2298)
      • width (default value: 0.13573)
      • x0 (default value: 0.14462)
    2. parameters list
      • A0L (default value: 0.0)
      • A0T (default value: 6.3351)
      • angularMomentum (default value: 0)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.1)
        • eta (default value: 0.45)
        • singlePi (default value: 0.45)
      • fitParameters (default value: 6823.2, 33521, 2.5686, 0, 0)
      • mass (default value: 1.5304)
      • width (default value: 0.22)
      • x0 (default value: 0.215)
    3. parameters list
      • A0L (default value: 157.92)
      • A0T (default value: 0.60347)
      • angularMomentum (default value: 2)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.35)
        • eta (default value: 0.0)
        • singlePi (default value: 0.65)
      • fitParameters (default value: 21.24, 0.055746, 2.4886, 97.046, 0.31042)
      • mass (default value: 1.5057)
      • width (default value: 0.082956)
      • x0 (default value: 0.215)
    4. parameters list
      • A0L (default value: 4.216)
      • A0T (default value: 2.3305)
      • angularMomentum (default value: 3)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.35)
        • eta (default value: 0.0)
        • singlePi (default value: 0.65)
      • fitParameters (default value: -0.28789, 0.18607, 0.063534, 0.0382, 1.2182)
      • mass (default value: 1.698)
      • width (default value: 0.09578200000000001)
      • x0 (default value: 0.215)
    5. parameters list
      • A0L (default value: 13.764)
      • A0T (default value: 1.979)
      • angularMomentum (default value: 0)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.5)
        • eta (default value: 0.1)
        • singlePi (default value: 0.4)
      • fitParameters (default value: -0.56175, 0.38964, 0.54883, 0.31393, 2.9997)
      • mass (default value: 1.665)
      • width (default value: 0.10936)
      • x0 (default value: 0.215)
    6. parameters list
      • A0L (default value: 5.5124)
      • A0T (default value: 0.022506)
      • angularMomentum (default value: 1)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.35)
        • eta (default value: 0.0)
        • singlePi (default value: 0.65)
      • fitParameters (default value: 46.213, 0.19221, 1.9141, 0.053743, 1.3091)
      • mass (default value: 1.4333)
      • width (default value: 0.37944)
      • x0 (default value: 0.215)
    7. parameters list
      • A0L (default value: 1.8951)
      • A0T (default value: 3.4187)
      • angularMomentum (default value: 3)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.5)
        • eta (default value: 0.0)
        • singlePi (default value: 0.5)
      • fitParameters (default value: 0, 0, 1, 1.8951, 0.51376)
      • mass (default value: 1.9341)
      • width (default value: 0.38)
      • x0 (default value: 0.215)

  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

DonnachieLandshoff (index 105) Donnachie-Landshoff

List of parameters:

  • A (default value: 0.324)
  • B (default value: 0.098)
  • a (default value: 0.5619916927863829)
  • b (default value: 0.011133)
  • deltaR (default value: 0.5475)
  • epsilon (default value: 0.0808)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

FioreBrasse (index 101) Fiore-Brasse (low-mass resonances)

List of parameters:

  • norm absolute normalisation factor (default value: 0.021)
  • resonances vector of parameters defining a collection of resonances parameters
    Children attributes
    • a resonance weight in total amplitude (default value: 0.0)
    • alpha0 (default value: 0.0)
    • alpha1 (default value: 0.0)
    • alpha2 (default value: 0.0)
    • q02 (default value: 0.0)
    • spinTimesTwo spin of the resonance (x1/2) (default value: 0)
    Default vector content

    1. parameters list
      • a (default value: 1.0)
      • alpha0 (default value: -0.8377)
      • alpha1 (default value: 0.95)
      • alpha2 (default value: 0.1473)
      • q02 (default value: 2.4617)
      • spinTimesTwo (default value: 3)
    2. parameters list
      • a (default value: 0.5399)
      • alpha0 (default value: -0.37)
      • alpha1 (default value: 0.95)
      • alpha2 (default value: 0.1471)
      • q02 (default value: 2.4617)
      • spinTimesTwo (default value: 5)
    3. parameters list
      • a (default value: 4.2225)
      • alpha0 (default value: 0.0038)
      • alpha1 (default value: 0.85)
      • alpha2 (default value: 0.1969)
      • q02 (default value: 1.5722)
      • spinTimesTwo (default value: 3)
    4. parameters list
      • a (default value: 19.2694)
      • alpha0 (default value: 0.5645)
      • alpha1 (default value: 0.1126)
      • alpha2 (default value: 1.3086)
      • q02 (default value: 4.5259)
      • spinTimesTwo (default value: 2)

  • s0 (default value: 1.14)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

FioreBrasseAlt (index 104) Fiore-Brasse (low-mass resonances)

List of parameters:

  • norm absolute normalisation factor (default value: 0.0207)
  • resonances vector of parameters defining a collection of resonances parameters
    Children attributes
    • a resonance weight in total amplitude (default value: 0.0)
    • alpha0 (default value: 0.0)
    • alpha1 (default value: 0.0)
    • alpha2 (default value: 0.0)
    • q02 (default value: 0.0)
    • spinTimesTwo spin of the resonance (x1/2) (default value: 0)
    Default vector content

    1. parameters list
      • a (default value: 1.0)
      • alpha0 (default value: -0.8377)
      • alpha1 (default value: 0.95)
      • alpha2 (default value: 0.1473)
      • q02 (default value: 2.4617)
      • spinTimesTwo (default value: 3)
    2. parameters list
      • a (default value: 0.5399)
      • alpha0 (default value: -0.37)
      • alpha1 (default value: 0.95)
      • alpha2 (default value: 0.1471)
      • q02 (default value: 2.4617)
      • spinTimesTwo (default value: 5)
    3. parameters list
      • a (default value: 4.2225)
      • alpha0 (default value: 0.0038)
      • alpha1 (default value: 0.85)
      • alpha2 (default value: 0.1969)
      • q02 (default value: 1.5722)
      • spinTimesTwo (default value: 3)
    4. parameters list
      • a (default value: 19.2694)
      • alpha0 (default value: 0.5645)
      • alpha1 (default value: 0.1126)
      • alpha2 (default value: 1.3086)
      • q02 (default value: 4.5259)
      • spinTimesTwo (default value: 2)
    5. parameters list
      • a (default value: 1.0)
      • alpha0 (default value: -0.8070000000000001)
      • alpha1 (default value: 0.9631999999999999)
      • alpha2 (default value: 0.1387)
      • q02 (default value: 2.6066)
      • spinTimesTwo (default value: 3)
    6. parameters list
      • a (default value: 0.6086)
      • alpha0 (default value: -0.364)
      • alpha1 (default value: 0.9530999999999999)
      • alpha2 (default value: 0.1239)
      • q02 (default value: 2.6066)
      • spinTimesTwo (default value: 5)
    7. parameters list
      • a (default value: 4.7279)
      • alpha0 (default value: -0.0065)
      • alpha1 (default value: 0.8355)
      • alpha2 (default value: 0.232)
      • q02 (default value: 1.4828)
      • spinTimesTwo (default value: 3)
    8. parameters list
      • a (default value: 14.7267)
      • alpha0 (default value: 0.5484)
      • alpha1 (default value: 0.1373)
      • alpha2 (default value: 1.3139)
      • q02 (default value: 4.6041)
      • spinTimesTwo (default value: 2)

  • s0 (default value: 1.2871)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

GD07p (index 203) GD07p (continuum)

List of parameters:

  • lambda2 squared QCD scale (in GeV^2 (default value: 0.06526999999999999)
  • m02 effective photon squared mass (in GeV^2) (default value: 0.454)
  • mp2 effective pomeron squared mass (in GeV^2) (default value: 30.7)
  • mr2 effective reggeon squared mass (in GeV^2) (default value: 0.117)
  • pomeronTrajectory
    parameters list
    • a (default value: -0.105, -0.495, 1.29)
    • b (default value: -1.42, 4.51, 0.551)
    • c (default value: 0.339, 0.127, 1.16)
  • q02 (default value: 1.15)
  • reggeonTrajectory
    parameters list
    • a (default value: 0.374, 0.998, 0.775)
    • b (default value: 2.71, 1.83, 1.26)
    • c (default value: 0.838, 2.36, 1.77)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

GD11p (index 204) GD11p (continuum)

List of parameters:

  • lambda2 squared QCD scale (in GeV^2 (default value: 0.06526999999999999)
  • m02 effective photon squared mass (in GeV^2) (default value: 0.5063)
  • mp2 effective pomeron squared mass (in GeV^2) (default value: 34.75)
  • mr2 effective reggeon squared mass (in GeV^2) (default value: 0.0319)
  • pomeronTrajectory
    parameters list
    • a (default value: -0.11895, -0.4783, 1.353)
    • b (default value: 1.0833, 2.656, 1.771)
    • c (default value: 0.3638, 0.1211, 1.166)
  • q02 (default value: 1.374)
  • reggeonTrajectory
    parameters list
    • a (default value: 0.3425, 1.0603, 0.5164)
    • b (default value: -10.408, 14.857, 0.07739)
    • c (default value: 1.3633, 2.256, 2.209)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

KulaginBarinov (index 303) Kulagin-Barinov (hybrid)

List of parameters:

  • Q2gridRange Q^2 range covered by the grid (default value: 0.8 to 1000)
  • Q2range (default value: 1e-12 to 1000)
  • derivator
    gsl

    List of parameters:

    • h step size (default value: 0.01)
    • mode mode used for the adaptive difference algorithm (default value: 0). Allowed values:
      • 0 (central)
      • 1 (forward)
      • 2 (backward)

  • disParameters
    parameters list
    • bg1l (default value: 3.4742)
    • bg1t (default value: 0.14453)
    • bg2l (default value: 0.54193)
    • bg2t (default value: 3.1297)
    • pml exponent of t dependence for FL (default value: 1.1)
    • pmt exponent of t dependence for FT (default value: 1.6302)
  • gridFile path to the DIS grid (default value: a08tmc.dat)
  • resonances vector of parameters
    Children attributes
    • angularMomentum meson angular momentum (default value: 0)
    • branchingRatios
      parameters list
      • doublePi branching fraction for a resonance decay into a pion pair (default value: 0.0)
      • eta branching fraction for a resonance decay into an eta (default value: 0.0)
      • singlePi branching fraction for a resonance decay into a single pion (default value: 0.0)
    • mass mass, in GeV/c^2 (default value: 0.0)
    • width full width, in GeV (default value: 0.0)
    • x0 damping parameter (default value: 0.0)
    Default vector content

    1. parameters list
      • a (default value: 0.31115, 2.0294, 1.6713, 2.76)
      • angularMomentum (default value: 1)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.0)
        • eta (default value: 0.0)
        • singlePi (default value: 1.0)
      • c (default value: 0.05029, 0, 0.42522)
      • mass (default value: 1.227)
      • width (default value: 0.11279)
      • x0 (default value: 0.055384)
    2. parameters list
      • a (default value: 0.089547, 0.18087, 0.23431, 4.1173)
      • angularMomentum (default value: 1)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.35)
        • eta (default value: 0.0)
        • singlePi (default value: 0.65)
      • c (default value: 0, 0.23847, 1.4982)
      • mass (default value: 1.4497)
      • width (default value: 0.40223)
      • x0 (default value: 0.1125)
    3. parameters list
      • a (default value: 0.10677, 0.24897, 0.55621, 3.0798)
      • angularMomentum (default value: 2)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.25)
        • eta (default value: 0.0)
        • singlePi (default value: 0.75)
      • c (default value: 0.091979, -0.10652, 1.0758)
      • mass (default value: 1.5123)
      • width (default value: 0.094542)
      • x0 (default value: 0.4959)
    4. parameters list
      • a (default value: 0.38953, -0.17962, 0.37638, 2.9622)
      • angularMomentum (default value: 0)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.85)
        • eta (default value: 0.0)
        • singlePi (default value: 0.15)
      • c (default value: 0, 0, 0)
      • mass (default value: 1.5764)
      • width (default value: 0.50046)
      • x0 (default value: 0.30969)
    5. parameters list
      • a (default value: 0.067075, 0.09733, 0.27891, 3.5372)
      • angularMomentum (default value: 2)
      • branchingRatios
        parameters list
        • doublePi (default value: 0.6)
        • eta (default value: 0.25)
        • singlePi (default value: 0.15)
      • c (default value: 0.12027, 0, 0.89367)
      • mass (default value: 1.7002)
      • width (default value: 0.11768)
      • x0 (default value: 0.25831)

  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))
  • t0 (default value: 2.0)

LUXLike (index 301) LUXlike (hybrid)

List of parameters:

  • Q2cut (default value: 9.0)
  • W2limits (default value: 3, 4)
  • continuumSF
    GD11p

    List of parameters:

    • lambda2 squared QCD scale (in GeV^2 (default value: 0.06526999999999999)
    • m02 effective photon squared mass (in GeV^2) (default value: 0.5063)
    • mp2 effective pomeron squared mass (in GeV^2) (default value: 34.75)
    • mr2 effective reggeon squared mass (in GeV^2) (default value: 0.0319)
    • pomeronTrajectory
      parameters list
      • a (default value: -0.11895, -0.4783, 1.353)
      • b (default value: 1.0833, 2.656, 1.771)
      • c (default value: 0.3638, 0.1211, 1.166)
    • q02 (default value: 1.374)
    • reggeonTrajectory
      parameters list
      • a (default value: 0.3425, 1.0603, 0.5164)
      • b (default value: -10.408, 14.857, 0.07739)
      • c (default value: 1.3633, 2.256, 2.209)
    • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

  • higherTwist (default value: 5.5)
  • perturbativeSF
    MSTWGrid

    List of parameters:

    • gridPath Path to the MSTW grid content (default value: mstw_sf_scan_nnlo.dat)
    • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

  • resonancesSF
    ChristyBosted

    List of parameters:

    • continuum vector of parameters
      Children attributes
      • fitParameters (default value: 0, 0, 0, 0)
      • sig0 (default value: 0.0)
      Default vector content

      1. parameters list
        • fitParameters (default value: 0.067469, 1.3501, 0.12054, -0.0038495)
        • sig0 (default value: 246.06)
      2. parameters list
        • fitParameters (default value: 0.20977, 1.5715, 0.090736, 0.010362)
        • sig0 (default value: -89.36)
      3. parameters list
        • fitParameters (default value: 4.0294, 3.1285, 0.33403, 4.9623)
        • sig0 (default value: 86.746)

    • m0 (default value: 4.2802)
    • q20 Q^2 scale for the modification of the parameterisation (default value: 8.0)
    • q21 (default value: 30.0)
    • resonances vector of parameters defining a collection of resonances modelled in this fit
      Children attributes
      • A0L (default value: 0.0)
      • A0T (default value: 0.0)
      • angularMomentum meson angular momentum (default value: 0)
      • branchingRatios
        parameters list
        • doublePi branching fraction for a resonance decay into a pion pair (default value: 0.0)
        • eta branching fraction for a resonance decay into an eta (default value: 0.0)
        • singlePi branching fraction for a resonance decay into a single pion (default value: 0.0)
      • fitParameters (default value: 0, 0, 0, 0, 0)
      • mass mass, in GeV/c^2 (default value: 0.0)
      • width full width, in GeV (default value: 0.0)
      • x0 damping parameter (default value: 0.0)
      Default vector content

      1. parameters list
        • A0L (default value: 29.414)
        • A0T (default value: 7.7805)
        • angularMomentum (default value: 1)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.0)
          • eta (default value: 0.0)
          • singlePi (default value: 1.0)
        • fitParameters (default value: 4.2291, 1.2598, 2.1242, 19.91, 0.22587)
        • mass (default value: 1.2298)
        • width (default value: 0.13573)
        • x0 (default value: 0.14462)
      2. parameters list
        • A0L (default value: 0.0)
        • A0T (default value: 6.3351)
        • angularMomentum (default value: 0)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.1)
          • eta (default value: 0.45)
          • singlePi (default value: 0.45)
        • fitParameters (default value: 6823.2, 33521, 2.5686, 0, 0)
        • mass (default value: 1.5304)
        • width (default value: 0.22)
        • x0 (default value: 0.215)
      3. parameters list
        • A0L (default value: 157.92)
        • A0T (default value: 0.60347)
        • angularMomentum (default value: 2)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.35)
          • eta (default value: 0.0)
          • singlePi (default value: 0.65)
        • fitParameters (default value: 21.24, 0.055746, 2.4886, 97.046, 0.31042)
        • mass (default value: 1.5057)
        • width (default value: 0.082956)
        • x0 (default value: 0.215)
      4. parameters list
        • A0L (default value: 4.216)
        • A0T (default value: 2.3305)
        • angularMomentum (default value: 3)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.35)
          • eta (default value: 0.0)
          • singlePi (default value: 0.65)
        • fitParameters (default value: -0.28789, 0.18607, 0.063534, 0.0382, 1.2182)
        • mass (default value: 1.698)
        • width (default value: 0.09578200000000001)
        • x0 (default value: 0.215)
      5. parameters list
        • A0L (default value: 13.764)
        • A0T (default value: 1.979)
        • angularMomentum (default value: 0)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.5)
          • eta (default value: 0.1)
          • singlePi (default value: 0.4)
        • fitParameters (default value: -0.56175, 0.38964, 0.54883, 0.31393, 2.9997)
        • mass (default value: 1.665)
        • width (default value: 0.10936)
        • x0 (default value: 0.215)
      6. parameters list
        • A0L (default value: 5.5124)
        • A0T (default value: 0.022506)
        • angularMomentum (default value: 1)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.35)
          • eta (default value: 0.0)
          • singlePi (default value: 0.65)
        • fitParameters (default value: 46.213, 0.19221, 1.9141, 0.053743, 1.3091)
        • mass (default value: 1.4333)
        • width (default value: 0.37944)
        • x0 (default value: 0.215)
      7. parameters list
        • A0L (default value: 1.8951)
        • A0T (default value: 3.4187)
        • angularMomentum (default value: 3)
        • branchingRatios
          parameters list
          • doublePi (default value: 0.5)
          • eta (default value: 0.0)
          • singlePi (default value: 0.5)
        • fitParameters (default value: 0, 0, 1, 1.8951, 0.51376)
        • mass (default value: 1.9341)
        • width (default value: 0.38)
        • x0 (default value: 0.215)

    • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

MSTWGrid (index 205) MSTW grid (perturbative)

List of parameters:

  • gridPath Path to the MSTW grid content (default value: mstw_sf_scan_nnlo.dat)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

Shamov (index 302) Shamov (hybrid, soft)

List of parameters:

  • fitModel (default value: 2)
  • gm0 scaling factor for the magnetic form factor template fit (default value: 1.0)
  • gmb exponential parameter for the magnetic form factor template fit (default value: 0.984)
  • lowQ2 (default value: 1e-07)
  • mode sub-structure functions choice (default value: 2)
  • q20 first parameter for non-resonant gamma-p cross section q^2 dependence (default value: 0.65)
  • rPower second parameter for non-resonant gamma-p cross section q^2 dependence (default value: 0.71)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

SuriYennie (index 11) Suri-Yennie

List of parameters:

  • Bp (default value: 0.63)
  • C1 (default value: 0.86926)
  • C2 (default value: 2.23422)
  • Cp (default value: 0.96)
  • D1 (default value: 0.12549)
  • rho2 (default value: 0.585)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
    SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

    List of parameters:

    • a (default value: 0.014)
    • b1 (default value: -0.07000000000000001)
    • b2 (default value: -0.8)
    • c (default value: 41.0)

SuriYennieAlt (index 14) Suri-Yennie (alternative)

List of parameters:

  • Bp (default value: 0.61)
  • C1 (default value: 0.6303)
  • C2 (default value: 2.3049)
  • Cp (default value: 1.23)
  • D1 (default value: 0.04681)
  • rho2 (default value: 1.05)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
    SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

    List of parameters:

    • a (default value: 0.014)
    • b1 (default value: -0.07000000000000001)
    • b2 (default value: -0.8)
    • c (default value: 41.0)

SzczurekUleshchenko (index 12) Szczurek-Uleshchenko (based on GRV parton content)

List of parameters:

  • q2shift (default value: 0.8)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
    SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

    List of parameters:

    • a (default value: 0.014)
    • b1 (default value: -0.07000000000000001)
    • b2 (default value: -0.8)
    • c (default value: 41.0)

herwig6 (index 403) Herwig 6 structure functions evaluator

List of parameters:

  • idhad type of hadron (default value: 73). Allowed values:
    • 30 (pi-)
    • 38 (pi+)
    • 59 (photon)
    • 73 (proton)
    • 75 (neutron)
    • 91 (antiproton)
    • 93 (antineutron)
  • nset structure functions set (default value: 8). Allowed values:
    • 1 (Duke & Owens set 1 (for soft/hard glue))
    • 2 (Duke & Owens set 2 (for soft/hard glue))
    • 3 (Eichten & al. set 1 (nucleons only))
    • 4 (Eichten & al. set 2 (nucleons only))
    • 5 (Owens set 1.1)
    • 6 (MRST98LO (central alpha(S)/gluon))
    • 7 (MRST98LO (higher gluon))
    • 8 (MRST98LO (average of central and higher gluon))
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
    SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

    List of parameters:

    • a (default value: 0.014)
    • b1 (default value: -0.07000000000000001)
    • b2 (default value: -0.8)
    • c (default value: 41.0)

htALLM (index 206) HHT (continuum)

List of parameters:

  • lambda2 squared QCD scale (in GeV^2 (default value: 2.2e-08)
  • m02 effective photon squared mass (in GeV^2) (default value: 0.446)
  • mp2 effective pomeron squared mass (in GeV^2) (default value: 74.2)
  • mr2 effective reggeon squared mass (in GeV^2) (default value: 29.3)
  • pomeronTrajectory
    parameters list
    • a (default value: -0.835, -0.446, 10.6)
    • b (default value: -45.8, 55.7, -0.031)
    • c (default value: 0.412, 0.164, 17.7)
  • q02 (default value: 4.74e-05)
  • reggeonTrajectory
    parameters list
    • a (default value: 0.706, 0.185, -16.4)
    • b (default value: -1.29, 4.51, 1.16)
    • c (default value: -1.04, 2.97, 0.163)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

htALLMft (index 207) HHT_FT (continuum)

List of parameters:

  • lambda2 squared QCD scale (in GeV^2 (default value: 4.4e-09)
  • m02 effective photon squared mass (in GeV^2) (default value: 0.388)
  • mp2 effective pomeron squared mass (in GeV^2) (default value: 50.8)
  • mr2 effective reggeon squared mass (in GeV^2) (default value: 0.838)
  • pomeronTrajectory
    parameters list
    • a (default value: -0.075, -0.47, 9.2)
    • b (default value: -0.477, 54, 0.073)
    • c (default value: 0.356, 0.171, 18.6)
  • q02 (default value: 1.87e-05)
  • reggeonTrajectory
    parameters list
    • a (default value: 0.882, 0.082, -8.5)
    • b (default value: 0.339, 3.38, 1.07)
    • c (default value: -0.636, 3.37, -0.66)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2 (default value: Module("SibirtsevBlunden"))

lhapdf (index 401) LHAPDF (partonic)

List of parameters:

  • mode (default value: 0)
  • numFlavours Number of parton flavours to consider in summation (default value: 4). Allowed values:
    • 1 (down quark only)
    • 2 (down+up quarks)
    • 3 (down+up+strange quarks)
    • 4 (down+up+strange+charm quarks)
    • 5 (down+up+strange+charm+bottom quarks)
    • 6 (all quark flavours)
  • pdfCode (default value: 0)
  • pdfMember (default value: 0)
  • pdfSet PDF modelling to be considered (default value: cteq66)
  • sigmaRatio Modelling for the sigma(L/T) ratio used in FL computation from F2
    SibirtsevBlunden Modelling for the sigma(L/T) ratio used in FL computation from F2

    List of parameters:

    • a (default value: 0.014)
    • b1 (default value: -0.07000000000000001)
    • b2 (default value: -0.8)
    • c (default value: 41.0)

Longitudinal/transverse cross section ratio parameterisations

E143 (index 1) E143 (experimental)

List of parameters:

  • a (default value: 0.0485, 0.547, 2.0621, -0.3804, 0.509, -0.0285)
  • b (default value: 0.0481, 0.6114, -0.3509, -0.4611, 0.7172, -0.0317)
  • c (default value: 0.0577, 0.4644, 1.8288, 12.3708, -43.1043, 41.7415)
  • lambda2 (default value: 0.04000000000000001)
  • q2_b (default value: 0.34)

R1990 (index 2) SLAC (experimental)

List of parameters:

  • b (default value: 0.0635, 0.5747, -0.3534)
  • lambda2 (default value: 0.04)

SibirtsevBlunden (index 4) Sibirtsev-Blunden (theoretical)

List of parameters:

  • a (default value: 0.014)
  • b1 (default value: -0.07000000000000001)
  • b2 (default value: -0.8)
  • c (default value: 41.0)

Partons generation algorithm

kt KT-dependent phase space mapper

List of parameters:

  • logPartonVirtuality generate linearly to log(Q^2) instead of Q^2? (default value: true)

Phase space mapper

Collinear parton flux modelling

EPAFlux EPA FF-dependent flux

List of parameters:

  • formFactors
    StandardDipole

    List of parameters:

    • pdgId (default value: 2212)
    • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

  • pdgId beam particle PDG id (default value: 2212)

KTIntegrated kt-integrated coll.flux

List of parameters:

  • integrator Steering parameters for the analytical integrator
    gsl Steering parameters for the analytical integrator

    List of parameters:

    • alpha alpha parameter for the fixed type integration (default value: 0.0)
    • beta alpha parameter for the fixed type integration (default value: 0.0)
    • epsabs desired absolute error limit (default value: 0.0)
    • epsrel desired relative error limit (default value: 0.1)
    • fixedType type of quadrature (default value: 3)
    • integrandParameters parameters for the integrand (default value: {})
    • limit maximum number of sub-intervals to build (default value: 1000)
    • mode integrator algorithm to use (default value: 0)
    • nodes number of quadrature nodes for the fixed type integration (default value: 100)
    • verbosity integrator verbosity (default value: 0)

  • kt2range kinematic range for the parton transverse virtuality, in GeV^2 (default value: 0 to 10000)
  • ktFlux Type of unintegrated kT-dependent parton flux
    BudnevElastic Type of unintegrated kT-dependent parton flux

    List of parameters:

    • formFactors
      StandardDipole

      List of parameters:

      • pdgId (default value: 2212)
      • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

lhapdf LHAPDF coll.flux

List of parameters:

  • extrapolatePDF has the PDF? or extrapolate distribution from sum imbalance of other contributions? (default value: false)
  • member PDF member (default value: 0)
  • partonPdgId parton PDG identifier (default value: 22)
  • set PDFset to use (default value: LUXlep-NNPDF31_nlo_as_0118_luxqed)

pythia8 Pythia 8 coll.flux

List of parameters:

  • beamPdgId beam particle PDG identifier (default value: 2212)
  • hiParameters
    parameters list
    • bmin minimum impact parameter for integration (default value: 0.0)
  • leptonParameters
    parameters list
    • Q2max (default value: 50.0)
    • sqrtS (default value: -1.0)
  • partonPdgId parton PDG identifier (default value: 22)
  • type type of PDF evaluator to use (default value: Proton2gammaDZ). Allowed values:
    • LHAGrid1 (LHAPDF grid modelling)
    • Lepton (photon-from-lepton modelling)
    • MSTWpdf (MSTW grid modelling)
    • Nucleus2gamma (photon-from-HI emission)
    • Proton2gammaDZ (Drees-Zeppenfeld photon emission from proton)
    • ProtonPoint (point-like photon emission from proton)

KT-factorised parton flux modelling

BudnevElasticLepton (index 12) Lepton el. photon emission (Budnev flux)

List of parameters:

  • formFactors
    PointLikeFermion

    List of parameters:

    • pdgId (default value: 11)
    • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

BudnevInelastic (index 11) Nucl. inel. photon emission (Budnev flux)

List of parameters:

  • structureFunctions (default value: Module("LUXLike"))

Elastic Nucl. el. photon emission

List of parameters:

  • formFactors
    StandardDipole

    List of parameters:

    • pdgId (default value: 2212)
    • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

ElasticHeavyIon (index 100) HI el. photon emission

List of parameters:

  • formFactors
    HeavyIonDipole

    List of parameters:

    • pdgId (default value: 10082207)
    • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

Inelastic (index 1) Nucl. inel. photon emission

List of parameters:

  • structureFunctions (default value: Module("LUXLike"))

KMR (index 20)
KleinElasticHI (index 101) Elastic photon emission from heavy ion (from Starlight)

List of parameters:

  • formFactors
    HeavyIonDipole

    List of parameters:

    • pdgId (default value: 10082207)
    • scale scaling (in GeV^2) (0.71 for r_p = 0.81 fm, 0.66 for r_p = 0.84 fm) (default value: 0.71)

  • heavyIon (default value: 10082207)

Electromagnetic coupling evolution

fixed Constant alpha(EM)

List of parameters:

  • value Constant value for alpha(EM) (default value: 0.007297352573756914)

herwig6 Herwig6 modelling of alpha(EM) running

List of parameters:

  • alphem alpha(EM) at beginning of evolution (default value: 0.007299299817532301)

pythia8 Pythia8 modelling of alpha(EM) running

List of parameters:

  • alphaEM0 (default value: 0.00729735)
  • alphaEMmZ (default value: 0.00781751)
  • order (default value: 1)

running Running alpha(EM) evolution algorithm

List of parameters:

  • c running parameter (0 is constant alphaQED, 1 is QED evolution, best L3 fit value is 1.05 +- 0.07 +- 0.14) (default value: 1.0)

Strong coupling evolution

lhapdf LHAPDF pert.PDF-orient.evol.algo.

List of parameters:

  • pdfMember (default value: 0)
  • pdfSet (default value: cteq66)

lhapdfAnalytic Analytic LHAPDF perturb.algo.

List of parameters:

  • lambdas (default value: 0.339, 0.296, 0.213)
  • order QCD order (default value: 4)
  • pdfSet (default value: cteq66)

lhapdfODE ODE LHAPDF evol.algo.

List of parameters:

  • alphaSMZ (default value: 0.118)
  • order QCD order (default value: 5)

pegasus PEGASUS alpha(S) evolution algorithm

List of parameters:

  • asmur (default value: 0.49128)
  • fr2 (default value: 1.0)
  • iord Evolution order (default value: 2)
  • mur (default value: 1.0)

pythia8 Pythia8 modelling of alpha(S) running

List of parameters:

  • alphaSnfmax maximum number of flavours to consider for evolution (default value: 6)
  • alphaSorder evolution order (default value: 1)
  • alphaSvalue value of alpha(s) at Z boson mass (default value: 0.13)
  • useCMW (default value: false)

pythia8UN Pythia8 modelling of alpha(S) running in SU(N) model

List of parameters:

  • Lambda (default value: 0.4)
  • Ngauge (default value: 1)
  • alphaFSR (default value: 0.1)
  • alphaFSRrefScale (default value: 91.188)
  • alphaOrder (default value: 0)
  • nFlav (default value: 1)
  • setLambda (default value: false)

webber Webber alpha(S) evolution algorithm

List of parameters:

  • Lambda evolution scale (in GeV) (default value: 0.25)
  • Nc number of colours considered (default value: 3)
  • nf number of fermion flavours considered (default value: 3)

Integrator algorithms

MISER MISER adaptive importance sampling integrator

List of parameters:

  • alpha how the estimated variances for the two sub-regions of a bisection are combined when allocating points (default value: 2.0)
  • dither size of the random fractional variation into each bisection, which can be used to break the symmetry of integrands which are concentrated near the exact center of the hypercubic integration region (default value: 0.1)
  • estimateFraction fraction of the currently available number of function calls allocated to estimating the variance at each recursive step (default value: 0.1)
  • minCalls minimum number of function calls required for each estimate of the variance (default value: 160)
  • minCallsPerBisection minimum number of function calls required to proceed with a bisection step (default value: 5120)
  • numFunctionCalls number of function calls per phase space point evaluation (default value: 50000)
  • randomGenerator type of random number generator to use for integration (default value: Module("gsl"))
  • verbosity integrator verbosity (default value: 0)

Naive 'Naive' Boost integrator

List of parameters:

  • verbosity integrator verbosity (default value: 0)

Vegas Vegas stratified sampling integrator

List of parameters:

  • alpha stiffness of the rebinning algorithm (default value: 1.25)
  • chiSqCut maximum (normalised) chi^2 to reach before stopping iterations (default value: 1.5)
  • iterations number of iterations to perform for each call to the routine (default value: 10)
  • loggingOutput output stream for logging (cerr, cout, or file name) (default value: cerr)
  • mode determines whether to use importance sampling or stratified sampling, or whether to pick on its own (default value: -1)
  • numFunctionCalls number of function calls per phase space point evaluation (default value: 100000)
  • randomGenerator type of random number generator to use for integration (default value: Module("gsl"))
  • treat phase space treatment (default value: true)
  • verbosity level of information printed by VEGAS (default value: -1). Allowed values:
    • -1 (turn off all output)
    • 0 (print summary information about the weighted average and final result)
    • 1 (also display the grid coordinates)
    • 2 (print information from the rebinning procedure for each iteration)

boost Boost trapezoidal integration algorithm

List of parameters:

  • limit maximum number of sub-intervals to build (default value: 1000)
  • tolerance maximal tolerance (default value: 1e-06)
  • verbosity integrator verbosity (default value: 0)

boost_gk15 Boost Gauss-Kronrod integration algorithm

List of parameters:

  • maxDepth maximum number of sub-intervals to build (default value: 100)
  • tolerance maximal tolerance (default value: inf)
  • verbosity integrator verbosity (default value: 0)

boost_gk31 Boost Gauss-Kronrod integration algorithm

List of parameters:

  • maxDepth maximum number of sub-intervals to build (default value: 100)
  • tolerance maximal tolerance (default value: inf)
  • verbosity integrator verbosity (default value: 0)

boost_gk41 Boost Gauss-Kronrod integration algorithm

List of parameters:

  • maxDepth maximum number of sub-intervals to build (default value: 100)
  • tolerance maximal tolerance (default value: inf)
  • verbosity integrator verbosity (default value: 0)

boost_gk51 Boost Gauss-Kronrod integration algorithm

List of parameters:

  • maxDepth maximum number of sub-intervals to build (default value: 100)
  • tolerance maximal tolerance (default value: inf)
  • verbosity integrator verbosity (default value: 0)

boost_gk61 Boost Gauss-Kronrod integration algorithm

List of parameters:

  • maxDepth maximum number of sub-intervals to build (default value: 100)
  • tolerance maximal tolerance (default value: inf)
  • verbosity integrator verbosity (default value: 0)

boost_gl15 Boost Gauss-Legendre integration algorithm

List of parameters:

  • verbosity integrator verbosity (default value: 0)

boost_gl20 Boost Gauss-Legendre integration algorithm

List of parameters:

  • verbosity integrator verbosity (default value: 0)

boost_gl25 Boost Gauss-Legendre integration algorithm

List of parameters:

  • verbosity integrator verbosity (default value: 0)

boost_gl30 Boost Gauss-Legendre integration algorithm

List of parameters:

  • verbosity integrator verbosity (default value: 0)

boost_gl7 Boost Gauss-Legendre integration algorithm

List of parameters:

  • verbosity integrator verbosity (default value: 0)

gsl GSL 1D integration algorithms wrapper

List of parameters:

  • alpha alpha parameter for the fixed type integration (default value: 0.0)
  • beta alpha parameter for the fixed type integration (default value: 0.0)
  • epsabs desired absolute error limit (default value: 0.0)
  • epsrel desired relative error limit (default value: 0.1)
  • fixedType type of quadrature (default value: 3)
  • integrandParameters parameters for the integrand (default value: {})
  • limit maximum number of sub-intervals to build (default value: 1000)
  • mode integrator algorithm to use (default value: 0)
  • nodes number of quadrature nodes for the fixed type integration (default value: 100)
  • verbosity integrator verbosity (default value: 0)

plain Plain (trial/error) integrator

List of parameters:

  • numFunctionCalls number of function calls per phase space point evaluation (default value: 50000)
  • randomGenerator type of random number generator to use for integration (default value: Module("gsl"))
  • verbosity integrator verbosity (default value: 0)

python Python integration algorithm

List of parameters:

  • evals (default value: 1000)
  • iterations (default value: 10)
  • module name of the Python module embedding the integrate() function (default value: IntegrationAlgos.Vegas)
  • verbosity integrator verbosity (default value: 0)

root ROOT general purpose MC integrator

List of parameters:

  • absTol desired absolute error limit (default value: -1.0)
  • relTol desired relative error limit (default value: -1.0)
  • rule Gauss-Kronrod integration rule (only for GSL kADAPTIVE type) (default value: 0)
  • size maximum number of sub-intervals to build (default value: 0)
  • type type of integration (default value: default)
  • verbosity integrator verbosity (default value: 0)

Functional parsers

root Plain old TFormula evaluator from ROOT

List of parameters:

  • expression Functional expression
  • variables List of variables to evaluate

Random number generators

root ROOT random number generator engine

List of parameters:

  • seed Random number generator seed (default value: 1745365517)
  • type random number engine (default value: Ranlux). Allowed values:
    • MersenneTwister
    • MixMax
    • MixMax17
    • MixMax256
    • Ranlux
    • Ranluxpp
    • Tausworthe

stl STL random number generator engine

List of parameters:

  • seed Random number generator seed (default value: 1745365517)
  • type random number engine (default value: default). Allowed values:
    • default (implementation-defined algorithm)
    • knuth_b (PRN engine adaptor discarding a certain amount of data produced by base engine (389, 11))
    • minstd_rand (Newer "Minimum standard", recommended by Park, Miller, and Stockmeyer in 1993)
    • minstd_rand0 (Discovered in 1969 by Lewis, Goodman and Miller, adopted as "Minimal standard" in 1988 by Park and Miller)
    • mt19937 (32-bit Mersenne Twister by Matsumoto and Nishimura, 1998)
    • mt19937_64 (64-bit Mersenne Twister by Matsumoto and Nishimura, 2000)
    • ranlux24 (24-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
    • ranlux24_base (subtract-w/-carry algorithm (24, 10, 24))
    • ranlux48 (48-bit RANLUX generator by Martin Lüscher and Fred James, 1994)
    • ranlux48_base (subtract-w/-carry algorithm (48, 5, 12))

Drawing tools

pythia8 Pythia 8 plotter

List of parameters:

  • histPlot write Python code that can generate a PDF file with the spectra? (default value: true)

root Named steerable module

List of parameters:

  • filename default filename for the output (default value: canvas)
  • format default extension for the output (default value: pdf)
  • palette ROOT colour palette to use (default value: 87)

text Text-based drawing module

List of parameters:

  • colourise colourise the output (for TTY-compatible displays) (default value: true)
  • width (default value: 50)

Event generation algorithms

grid_optimised Grid-optimised worker

List of parameters:

  • binSize (default value: 3)
  • randomGenerator random number generator engine (default value: Module("stl"))

Event import algorithms

hepmc2 HepMC2 ASCII file importer module

List of parameters:

  • filename Input filename (default value: input.hepmc)

hepmc3_hepmc2 HepMC3 ASCII file importer module

List of parameters:

  • filename Input filename (default value: input.hepmc)

lhef_hepmc HepMC3 LHEF file importer module

List of parameters:

  • filename Input filename (default value: input.lhef)

root_tree ROOT TTree importer module

List of parameters:

  • filename Input filename (default value: output.root)

Event modification algorithms

Event export modules

gnuplot Gnuplot event harvester

List of parameters:

  • filename Output file name for histogram dump (default value: output.hists.txt)
  • histVariables vector of parameters defining a Histogram definition for 1/2 variable(s)
    Children attributes
    • log Plot logarithmic axis? (default value: false)
    • nbinsX Bins multiplicity for x-axis (default value: 25)
    • nbinsY Bins multiplicity for y-axis (default value: 50)
    • xbins x-axis bins definition
    • xrange Minimum-maximum range for x-axis (default value: 0 to 1)
    • ybins y-axis bins definition
    • yrange Minimum-maximum range for y-axis (default value: 0 to 1)
  • plotter Plotting algorithm to use (default value: gnuplot)
  • save Save the histogram(s) at the end of the run? (default value: false)
  • show Show the histogram(s) at the end of the run? (default value: true)

hepevt HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepevt_bz2 HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepevt_lzma HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepevt_z HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc2 HepMC2 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc2_ascii HepMC2 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc3_hepmc2 HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc_bz2 HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc_lzma HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

hepmc_z HepMC3 ASCII file output module

List of parameters:

  • filename Output filename (default value: output.hepmc)

lhef Pythia 8-based LHEF output module

List of parameters:

  • compress (default value: true)
  • filename Output filename (default value: output.lhe)

lhef_hepmc HepMC 3-based LHEF output module

List of parameters:

  • compress (default value: false)
  • filename Output filename (default value: output.lhe)

root_hist ROOT histogramming/profiling module

List of parameters:

  • filename Output filename (default value: output.root)
  • variables vector of parameters
    Children attributes
    • nbins (default value: -1)
    • nbinsX Bins multiplicity for x-axis (default value: 10)
    • nbinsY Bins multiplicity for y-axis (default value: 10)
    • nbinsZ Bins multiplicity for z-axis (default value: 10)
    • profile (default value: false)
    • title Variable description
    • xrange Minimum-maximum range for x-axis (default value: 0 to 1)
    • yrange Minimum-maximum range for y-axis (default value: 0 to 1)
    • zrange Minimum-maximum range for z-axis (default value: 0 to 1)

root_tree ROOT TTree storage module

List of parameters:

  • autoFilename automatically generate the output filename (default value: false)
  • compress Compress the event content? (merge down two-parton system) (default value: false)
  • filename Output filename (default value: output.root)

text Text-based event harvester

List of parameters:

  • filename Output file name for histogram dump (default value: output.hists.txt)
  • histVariables vector of parameters defining a Histogram definition for 1/2 variable(s)
    Children attributes
    • log Plot logarithmic axis? (default value: false)
    • nbinsX Bins multiplicity for x-axis (default value: 25)
    • nbinsY Bins multiplicity for y-axis (default value: 50)
    • xbins x-axis bins definition
    • xrange Minimum-maximum range for x-axis (default value: 0 to 1)
    • ybins y-axis bins definition
    • yrange Minimum-maximum range for y-axis (default value: 0 to 1)
  • plotter Plotting algorithm to use (default value: text)
  • save Save the histogram(s) at the end of the run? (default value: false)
  • show Show the histogram(s) at the end of the run? (default value: true)

vars Text dump of variables

List of parameters:

  • filename Output filename for variables dump (default value: output.txt)
  • saveBanner Also save the boilerplate in output files? (default value: true)
  • saveVariables Save the variable(s) into an output file? (default value: true)
  • separator Base separator in output file (default value: )
  • variables List of variables to dump

Documentation generator modules

python Python modules documentation generator

List of parameters:

  • camelCaseModuleNames convert the module names to camel case? (default value: true)
  • filename Python output filename
  • importPath prepare the Python environment with path? (default value: false)
  • tabLength number of spaces for one tabulation (default value: 4)

text Bare text documentation generator

List of parameters:

  • camelCaseModulesNames write modules in camel case? (default value: false)
  • dumpParameters dump parameters list along with their parameters description? (default value: false)
  • light lightweight module description (without parameters) (default value: false)
  • modulesOnly only list the module names (for a category)? (default value: false)

By Laurent Forthomme

© Copyright 2013-2025, the CepGen Collaboration.