PYTHIA  8.303
Public Member Functions | List of all members
TrialIISplitB Class Reference

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

#include <VinciaISR.h>

Inheritance diagram for TrialIISplitB:
TrialIISplitA TrialGeneratorISR

Public Member Functions

virtual string name () override
 Name of trial generator.
 
virtual double aTrial (double saj, double sjb, double sAB) override
 Trial antenna function.
 
virtual double getQ2 (double saj, double sjb, double sAB) override
 Evolution scale.
 
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.
 
- 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.
 
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
InfoinfoPtr
 Pointers.
 
RndmrndmPtr
 
SettingssettingsPtr
 
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
 
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 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.


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