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Herwig  7.1.5
Interfaces defined for the Herwig::MEPP2Higgs class.
Brief class description:
The MEPP2Higgs class implements the matrix elements for Higgs production (with decay H->W-W+) in hadron-hadron collisions including the generation of additional hard QCD radiation in gg to h0 processes in the POWHEG scheme
See also Herwig::MEPP2Higgs

Name: SpinCorrelations
Type: Switch

Description:
Which on/off spin correlations in the hard process
Registered options:
0(No)
Switch correlations off
1(Yes)
Switch correlations on
Default value: 1

Name: mu_F_Option
Type: Switch

Description:
Option to use pT or mT as the factorization scale in the PDFs
Registered options:
0(mT)
Use mT as the scale in the PDFs
1(pT)
Use pT as the scale in the PDFs
Default value: 1

Name: mu_R_Option
Type: Switch

Description:
Option to use pT or mT as the scale in alphaS
Registered options:
0(mT)
Use mT as the scale in alpha_S
1(pT)
Use pT as the scale in alpha_S
Default value: 1

Name: minPt
Type: Parameter

Description:
The pt cut on hardest emision generation2*(1-Beta)*exp(-sqr(intrinsicpT/RMS))/sqr(RMS)
Default value: 2
Minimum value: 0
Maximum value: 100000

Name: Prefactorgqbar
Type: Parameter

Description:
The prefactor for the sampling of the g qbar channel
Default value: 3
Minimum value: 0
Maximum value: 1000

Name: Prefactorqg
Type: Parameter

Description:
The prefactor for the sampling of the q g channel
Default value: 3
Minimum value: 0
Maximum value: 1000

Name: Prefactorgg
Type: Parameter

Description:
The prefactor for the sampling of the q qbar channel
Default value: 7
Minimum value: 0
Maximum value: 1000

Name: Power
Type: Parameter

Description:
The power for the sampling of the matrix elements
Default value: 2
Minimum value: 1
Maximum value: 10

Name: InitialEnhancementFactor
Type: Parameter

Description:
The enhancement factor for initial-state radiation in the shower to ensure the weight for the matrix element correction is less than one.
Default value: 1.1
Minimum value: 1
Maximum value: 10

Name: QGPower
Type: Parameter

Description:
Power for the phase-space sampling of the qg and qbarg channels
Default value: 1.6
Minimum value: 1
Maximum value: 3

Name: GGPower
Type: Parameter

Description:
Power for the phase-space sampling of the gg channel
Default value: 1.6
Minimum value: 1
Maximum value: 3

Name: QbarGChannelWeight
Type: Parameter

Description:
The relative weights of the g g abd qbar g channels for selection. This is a technical parameter for the phase-space generation and should not affect the results only the efficiency and fraction
Default value: 0.15
Minimum value: 0
Maximum value: 1e+10

Name: QGChannelWeight
Type: Parameter

Description:
The relative weights of the g g and q g channels for selection. This is a technical parameter for the phase-space generation and should not affect the results only the efficiency and fraction of events with weight > 1.
Default value: 0.45
Minimum value: 0
Maximum value: 1e+10

Name: MaximumFlavour
Type: Integer parameter

Description:
The maximum flavour of the incoming quarks in the hard process
Default value: 5
Minimum value: 3
Maximum value: 5

Name: MinimumFlavour
Type: Integer parameter

Description:
The minimum flavour of the incoming quarks in the hard process
Default value: 4
Minimum value: 3
Maximum value: 5

Name: MassOption
Type: Switch

Description:
Option for the treatment of the masses in the loop diagrams
Registered options:
0(Full)
Include the full mass dependence
1(Large)
Use the heavy mass limit
Default value: 0

Name: MaximumInLoop
Type: Integer parameter

Description:
The maximum flavour of the quarks to include in the loops
Default value: 6
Minimum value: 5
Maximum value: 6

Name: MinimumInLoop
Type: Integer parameter

Description:
The minimum flavour of the quarks to include in the loops
Default value: 6
Minimum value: 5
Maximum value: 6

Name: Process
Type: Switch

Description:
Which subprocesses to include
Registered options:
1(All)
Include all subprocesses
2(qqbar)
Only include the incoming q qbar subprocess
3(gg)
Only include the incoming gg subprocess
Default value: 1

Name: ShapeScheme
Type: Switch

Description:
Option for the treatment of the Higgs resonance shape
Registered options:
1(FixedBreitWigner)
Breit-Wigner s-channel resonanse
2(MassGenerator)
Use the mass generator to give the shape
Default value: 1

Name: Coupling
Type: Reference to objects of class Herwig::ShowerAlpha

Description:
Pointer to the object to calculate the coupling for the correction

Name: FactorizationScaleValue
Type: Parameter

Description:
Value to use in the event of a fixed factorization scale
Default value: 100
Minimum value: 50
Maximum value: 500

Name: FactorizationScaleOption
Type: Switch

Description:
Option for the choice of factorization scale
Registered options:
1(Dynamic)
Dynamic factorization scale equal to the current sqrt(sHat())
2(Fixed)
Use a fixed factorization scale set with FactorizationScaleValue
Default value: 1

There may be interfaces inherited from the Herwig::HwMEBase class.