RAT::CCgen Class Reference

Implements the generation of a neutrino-nucleus charged current interaction. More...

#include <CCgen.hh>

Public Member Functions
void	GenerateEvent (const G4ThreeVector &nu_dir, G4LorentzVector &neutrino, G4LorentzVector &electron, double &e_nucleus)
void	SetNuType (const G4String &nutype)
const G4String &	GetNuType () const
void	SetNuFlavor (const G4String &nuflavor)
const G4String &	GetNuFlavor () const
G4double	GetTotalFlux ()
	Getter for the total neutrino flux. More...
G4double	GetRatePerTarget ()
	Getter for the SSM event rate per target for this flux. More...
const G4String	GetDBName () const
void	SetDBName (const G4String name)

Protected Member Functions
G4bool	GetGenLoaded ()

Protected Attributes
G4String	fGenType
G4String	fNuType
G4String	fNuFlavor
CCCrossSec *	fXS
TGraph *	fNuSpectrum
	Spectrum shape to be sampled. More...
TF1 *	fFermiAngle
TF1 *	fGTAngle
std::vector< double >	fEnuTbl
std::vector< double >	fFluxTbl
G4double	fEmax
G4double	fEmin
G4double	fEnuMax
G4double	fEnuMin
G4double	fFluxMax
G4bool	fGenLoaded
G4double	fMassElectron
G4double	fTotalFlux
CLHEP::RandGeneral *	fSpectrumRndm
G4String	fDBName

Detailed Description

Implements the generation of a neutrino-nucleus charged current interaction.

Author

Max Smiley masmi.nosp@m.ley@.nosp@m.berke.nosp@m.ley..nosp@m.edu – contact person

Date

26-Aug-2019

This class is the workhorse of the generator, separating the Geant4 specific methods from a more physics oriented structure. It is based on the original elastic scattering implementation by Joe Formaggio and the following adaptation by Bill Seligman. However the whole class was re-written later to adapt it for the final use of charged current interactions.

Member Function Documentation

GenerateEvent()

void RAT::CCgen::GenerateEvent	(	const G4ThreeVector &	nu_dir,
		G4LorentzVector &	neutrino,
		G4LorentzVector &	electron,
		double &	e_nucleus
	)

Generate random event vectors.

Pass in the neutrino direction (unit vector).

Parameters

[in]	nu_dir	Incoming neutrino direction (lab coordinates).
[out]	neutrino	Outgoing neutrino direction (lab coordinates. Not used).
[out]	electron	Outgoing electron direction (lab coordinates).

Returns

4-momentum vectors for resulting electron.

! Have to be careful with the line neutrino types (pep) and even more careful with the double line (be7)

GetDBName()

const G4String RAT::CCgen::GetDBName ( ) const

inline

Getter of the DB entry to input the spectrum from.

Returns

name of the DB name.

GetGenLoaded()

G4bool RAT::CCgen::GetGenLoaded ( )

inlineprotected

Private method to check if generator is loaded.

GetNuFlavor()

const G4String& RAT::CCgen::GetNuFlavor ( ) const

inline

Getter for neutrino flavor

GetNuType()

const G4String& RAT::CCgen::GetNuType ( ) const

inline

Getter for the spectrum being used

GetRatePerTarget()

G4double RAT::CCgen::GetRatePerTarget

(

)

Getter for the SSM event rate per target for this flux.

The SSM event rate is obtained from the product of the cross section and the flux:

Returns

The event Rate predicted by the SSM (in Hz)

GetTotalFlux()

G4double RAT::CCgen::GetTotalFlux ( )

inline

Getter for the total neutrino flux.

Returns

total neutrino flux in

SetDBName()

void RAT::CCgen::SetDBName

(

const G4String

name

)

Setter of the DB name. Defaults to \'SOLAR\'

Parameters

[in]

name

of the database entry to look at.

SetNuFlavor()

void RAT::CCgen::SetNuFlavor

(

const G4String &

nuflavor

)

Setter for the neutrino flavor being generated.

This parameter is passed down into the cross-section to calculate the correct shape.

Parameters

nuflavor

Flavor of the neutrino being calculated. Can be one of (nue,numu,nuebar,numubar).

Attention

SetNuType()

void RAT::CCgen::SetNuType

(

const G4String &

nutype

)

Setter for the flux to use.

Parameters

[in]

nutype

Key to the database to load the flux.

Member Data Documentation

fDBName

G4String RAT::CCgen::fDBName

protected

Name of the database entry to read the input spectrum from. Defaults to SOLAR.

fEmax

G4double RAT::CCgen::fEmax

protected

Recoil upper limit for the electron.

fEmin

G4double RAT::CCgen::fEmin

protected

Recoil lower limit for the electron.

fEnuMax

G4double RAT::CCgen::fEnuMax

protected

Recoil upper limit for the electron.

fEnuMin

G4double RAT::CCgen::fEnuMin

protected

Recoil lower limit for the electron.

fEnuTbl

std::vector<double> RAT::CCgen::fEnuTbl

protected

vector of neutrino energy points in the neutrino spectrum shape.

fFluxMax

G4double RAT::CCgen::fFluxMax

protected

Maximum flux in spectrum shape

fFluxTbl

std::vector<double> RAT::CCgen::fFluxTbl

protected

Normalized flux in the neutrino spectrum shape.

fGenLoaded

G4bool RAT::CCgen::fGenLoaded

protected

Generator loaded flag.

fGenType

G4String RAT::CCgen::fGenType

protected

Generator type

fMassElectron

G4double RAT::CCgen::fMassElectron

protected

electron mass

fNuFlavor

G4String RAT::CCgen::fNuFlavor

protected

Neutrino flavor

fNuSpectrum

TGraph* RAT::CCgen::fNuSpectrum

protected

Spectrum shape to be sampled.

Using ROOT TGraph to make use of it's nice evaluator.

fNuType

G4String RAT::CCgen::fNuType

protected

Neutrino type

fSpectrumRndm

CLHEP::RandGeneral* RAT::CCgen::fSpectrumRndm

protected

Random number generator for the nu spectrum sampler

fTotalFlux

G4double RAT::CCgen::fTotalFlux

protected

Total neutrino flux

fXS

CCCrossSec* RAT::CCgen::fXS

protected

Instance of cross-section class

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The documentation for this class was generated from the following files:

• /home/docs/checkouts/readthedocs.org/user_builds/ratpac/checkouts/latest/src/gen/include/RAT/CCgen.hh
• /home/docs/checkouts/readthedocs.org/user_builds/ratpac/checkouts/latest/src/gen/src/CCgen.cc