TrialIISplitB Class Reference

B splitting trial function for initial-initial, q -> gqbar. More...

#include <VinciaISR.h>

Inheritance diagram for TrialIISplitB:

Public Member Functions
virtual string	name () override
	Name of trial generator.
virtual double	aTrial (double saj, double sjb, double sAB) override
	Trial antenna function. More...
virtual double	getQ2 (double saj, double sjb, double sAB) override
	Evolution scale. More...
virtual double	genQ2run (double q2old, double sAB, double zMin, double zMax, double colFac, double PDFratio, double b0, double kR, double Lambda, double eA, double eB, double headroomFac=1.0, double enhanceFac=1.0) override
	Generate new Q value, with first-order running alphaS.
virtual double	genQ2 (double q2old, double sAB, double zMin, double zMax, double colFac, double alphaSvalue, double PDFratio, double eA, double eB, double headroomFac=1.0, double enhanceFac=1.0) override
	Generate new Q value, with constant trial alphaS.
virtual double	genQ2thres (double q2old, double sAB, double zMin, double zMax, double colFac, double alphaSvalue, double PDFratio, int idA, int idB, double eA, double eB, bool useMpdf, double headroomFac=1.0, double enhanceFac=1.0) override
virtual double	getS1j (double Qt2, double zeta, double sAB) override
	Inverse transforms to obtain saj and sjb from Qt2 and zeta.
virtual double	getSj2 (double Qt2, double zeta, double sAB) override
virtual double	trialPDFratio (BeamParticle *beamAPtr, BeamParticle *beamBPtr, int iSys, int idA, int idB, double eA, double eB, double Qt2A, double Qt2B) override
	Trial PDF ratio. More...
Public Member Functions inherited from TrialIISplitA
virtual double	getQ2max (double sAB, double, double) override
virtual double	genZ (double zMin, double zMax) override
	Generate a new zeta value in [zMin,zMax]. More...
virtual double	getIz (double zMin, double zMax) override
	The zeta integral (with alpha = 0). More...
virtual double	getZmin (double Qt2, double sAB, double eA, double eBeamUsed) override
	The zeta boundaries, for a given value of the evolution scale. More...
virtual double	getZmax (double Qt2, double sAB, double eA, double eBeamUsed) override
Public Member Functions inherited from TrialGeneratorISR
	TrialGeneratorISR ()
	Constructor.
void	initPtr (Info *infoPtrIn)
	Initialize pointers. More...
virtual void	init (double mcIn, double mbIn)
	Initialize. More...
virtual double	getTrialPDFratio ()
	Return last trial PDF ratio.
bool	checkInit ()
	Check initialization.
int	trialFlav ()
	Return the last trial flavor.

Additional Inherited Members
Protected Attributes inherited from TrialGeneratorISR
Info *	infoPtr {}
	Pointers.
Rndm *	rndmPtr {}
Settings *	settingsPtr {}
Logger *	loggerPtr {}
bool	useMevolSav
	Use m or pT evolution for collinear singularities.
double	shhSav
	s for hadron hadron.
int	trialFlavSav
	For conversion trial generators.
int	nGtoQISRSav
double	mbSav
	Masses.
double	mcSav
bool	sectorShower
	Doing a sector shower?
double	trialPDFratioSav
	Saved trial PDF ratio and trial tolerance.
double	TINYPDFtrial

Detailed Description

B splitting trial function for initial-initial, q -> gqbar.

Member Function Documentation

virtual double aTrial ( double  saj, double  sjb, double  sAB  )

inlineoverridevirtual

Trial antenna function.

Note: arguments reversed intentionally!

Reimplemented from TrialIISplitA.

virtual double genQ2thres ( double  q2old, double  sAB, double  zMin, double  zMax, double  colFac, double  alphaSvalue, double  PDFratio, int  idA, int  idB, double  eA, double  eB, bool  useMpdf, double  headroomFac = 1.0, double  enhanceFac = 1.0  )

inlineoverridevirtual

Generate new Q value, with running of the PDFs towards the mass threshold.

Reimplemented from TrialIISplitA.

virtual double getQ2 ( double  saj, double  sjb, double  sAB  )

inlineoverridevirtual

Evolution scale.

Note: arguments reversed intentionally!

Reimplemented from TrialIISplitA.

virtual double trialPDFratio ( BeamParticle *  beamAPtr, BeamParticle *  beamBPtr, int  iSys, int  idA, int  idB, double  eA, double  eB, double  Qt2A, double  Qt2B  )

inlineoverridevirtual

Trial PDF ratio.

Note: arguments reversed intentionally!

Reimplemented from TrialIISplitA.

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

• include/Pythia8/VinciaISR.h