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Herwig  7.2.1
Interfaces defined for the Herwig::BtoSGammaKagan class.
Brief class description:
The BtoSGammaKagan class implements the calculation of hep-ph/9805303 for the hadronic mass spectrum in b to s gamma decays.
See also Herwig::BtoSGammaKagan

Name: NSpectrum
Type: Integer parameter

Description:
Number of spectrum points to calculate for interpolation
Default value: 100
Minimum value: 10
Maximum value: 1000

Name: ycut
Type: Parameter

Description:
Limit of the value of y to avoid singualarities in integrals
Default value: 1
Minimum value: 0.999
Maximum value: 1

Name: SpectrumMaximum
Type: Parameter

Description:
The maximum value of the spectrum for unweighting
Default value: 1
Minimum value: 0
Maximum value: 10000

Name: MaximumTries
Type: Integer parameter

Description:
Maximum number of attempts to unweight the spectrum
Default value: 100
Minimum value: 10
Maximum value: 10000

Name: FermiNormalisation
Type: Unlimited Parameter

Description:
The normalisation for the fermi motion function
Default value: 1

Name: Spectrum
Type: Varying size vector of parameters

Description:
Values of the spectrum for interpolation
Default value: 0
Minimum value: 0
Maximum value: 1

Name: mHValues
Type: Varying size vector of parameters

Description:
The mH values for the interpolation of the spectrum
Default value: 1
Minimum value: 0
Maximum value: 10

Name: CKM
Type: Unlimited Parameter

Description:
The CKM prefactor for the decay
Default value: 0.976

Name: alphaSZ
Type: Parameter

Description:
The strong coupling at the Z mass
Default value: 0.118
Minimum value: 0.1
Maximum value: 0.3

Name: alpha
Type: Parameter

Description:
The fine structure constant
Default value: 0.00729735
Minimum value: 0.005
Maximum value: 0.01

Name: Lambda1
Type: Parameter

Description:
Hadronic scale for the fermi motion function
Default value: -0.3
Minimum value: -10
Maximum value: 10

Name: Delta
Type: Parameter

Description:
The cut off on the photon energy
Default value: 0.9
Minimum value: 0
Maximum value: 1

Name: Mu
Type: Parameter

Description:
The renormalisation scale
Default value: 4.8
Minimum value: 3
Maximum value: 10

Name: BMesonMass
Type: Parameter

Description:
The mass of the decaying B meson
Default value: 5.2794
Minimum value: 5
Maximum value: 10

Name: Lambda2
Type: Parameter

Description:
Hadronic parameter from hep-ph/9805303
Default value: 0.12
Minimum value: 0
Maximum value: 10

Name: ZMass
Type: Parameter

Description:
The mass of the Z boson
Default value: 91.1876
Minimum value: 85
Maximum value: 95

Name: WMass
Type: Parameter

Description:
The mass of the W boson
Default value: 80.425
Minimum value: 75
Maximum value: 85

Name: StrangeMassRatio
Type: Parameter

Description:
The ratio of the strange quark mass to that of the bottom
Default value: 0.02
Minimum value: 0.001
Maximum value: 0.1

Name: CharmMass
Type: Parameter

Description:
The mass of the charm quark
Default value: 1.392
Minimum value: 1
Maximum value: 2

Name: BottomMass
Type: Parameter

Description:
The mass of the bottom quark
Default value: 4.8
Minimum value: 1
Maximum value: 10

Name: TopMass
Type: Parameter

Description:
The mass of the top quark
Default value: 175
Minimum value: 100
Maximum value: 200

Name: Initialize
Type: Switch

Description:
Initialize the interpolation tables for the hadronic mass
Registered options:
0(No)
No initialization is performed
1(Yes)
Perform initialization
Default value: 0

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