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Herwig  7.1.5
Interfaces defined for the Herwig::MEqq2W2ffPowheg class.
Brief class description:
The MEqq2W2ffPowheg class implements the matrix element forq qbar to Standard Model fermions via W exchange using helicity amplitudetechniques including the NLO correction in the POWHEG formalism
See also Herwig::MEqq2W2ffPowheg

Name: ScaleFactor
Type: Parameter

Description:
The factor used before sHat if using a running scale
Default value: 1
Minimum value: 0
Maximum value: 10

Name: FixedScale
Type: Parameter

Description:
The fixed scale to use if required
Default value: 100
Minimum value: 10
Maximum value: 1000

Name: ScaleOption
Type: Switch

Description:
Option for the scale to be used
Registered options:
0(Fixed)
Use a fixed scale
1(Dynamic)
Use the off-shell vector boson mass as the scale
Default value: 1

Name: CorrectionPower
Type: Parameter

Description:
The power of the correction term to reduce the negative contribution
Default value: 0.7
Minimum value: 0
Maximum value: 1

Name: CorrectionCoefficient
Type: Parameter

Description:
The magnitude of the correction term to reduce the negative contribution
Default value: 0.5
Minimum value: -10
Maximum value: 10

Name: FixedNLOalphaS
Type: Parameter

Description:
The value of alphaS to use for the nlo weight if _nlo_alphaS_opt=1
Default value: 0.115895
Minimum value: 0
Maximum value: 1

Name: NLOalphaSopt
Type: Switch

Description:
Whether to use a fixed or a running QCD coupling for the NLO weight
Registered options:
0(RunningAlphaS)
Use the usual running QCD coupling evaluated at scale scale()
1(FixedAlphaS)
Use a constant QCD coupling for comparison/debugging purposes
Default value: 0

Name: Contribution
Type: Switch

Description:
Which contributions to the cross section to include
Registered options:
0(LeadingOrder)
Just generate the leading order cross section
1(PositiveNLO)
Generate the positive contribution to the full NLO cross section
2(NegativeNLO)
Generate the negative contribution to the full NLO cross section
Default value: 1

There may be interfaces inherited from the Herwig::MEqq2W2ff class.