Inheritance diagram for DireSplitting:

Public Member Functions
	DireSplitting ()
	Constructor and destructor.

	DireSplitting (string idIn, int softRS, Settings settings, ParticleData particleData, Rndm rndm, BeamParticle beamA, BeamParticle beamB, CoupSM coupSMPtrIn, Info infoPtrIn, DireInfo direInfo)

void	init ()
	The Splitting class.

bool	is (ulong pattern)

string	name ()

virtual bool	canRadiate (const Event &, pair< int, int >, unordered_map< string, bool >=unordered_map< string, bool >(), Settings =NULL, PartonSystems =NULL, BeamParticle *=NULL)

virtual bool	aboveCutoff (double, const Particle &, const Particle &, int, PartonSystems *=NULL)
	Discard below the cut-off for the splitting.

virtual bool	useFastFunctions ()

virtual bool	canRadiate (const Event &, int, int, Settings =NULL, PartonSystems =NULL, BeamParticle *=NULL)

virtual int	kinMap ()

virtual int	motherID (int)
	Return id of mother after splitting.

virtual int	sisterID (int)
	Return id of emission.

virtual vector< int >	radAndEmt (int, int)

virtual vector< pair< int, int > >	radAndEmtCols (int, int, Event)

virtual bool	canUseForBranching ()

virtual bool	isPartial ()

virtual int	nEmissions ()

virtual bool	swapRadEmt ()

virtual bool	isSymmetric (const Particle =NULL, const Particle =NULL)

virtual vector< int >	recPositions (const Event &, int, int)

virtual int	radBefID (int, int)
	Return id of recombined radiator (before splitting!)

virtual pair< int, int >	radBefCols (int, int, int, int)
	Return colours of recombined radiator (before splitting!)

virtual double	gaugeFactor (int, int)
	Return color factor for splitting.

virtual double	symmetryFactor (int, int)
	Return symmetry factor for splitting.

virtual int	couplingType (int, int)

virtual double	coupling (double=0., double=0., double=0., double=-1., pair< int, bool >=pair< int, bool >(), pair< int, bool >=pair< int, bool >())

virtual double	couplingScale2 (double=0., double=0., double=0., pair< int, bool >=pair< int, bool >(), pair< int, bool >=pair< int, bool >())

virtual double	zSplit (double, double, double)
	Pick z for new splitting.

virtual double	overestimateInt (double, double, double, double, int=-1)
	New overestimates, z-integrated versions.

virtual double	overestimateDiff (double, double, int=-1)
	Return kernel for new splitting.

virtual double	getKernel (string="")
	Functions to store and retrieve all the variants of the kernel.

virtual unordered_map< string, double >	getKernelVals ()

virtual void	clearKernels ()

virtual bool	calc (const Event &=Event(), int=-1)
	Functions to calculate the kernel from SplitInfo information.

void	setTimesPtr (shared_ptr< DireTimes > fsrIn)

void	setTimesDecPtr (shared_ptr< DireTimes > fsrIn)

void	setSpacePtr (shared_ptr< DireSpace > isrIn)

virtual double	getJacobian (const Event &=Event(), PartonSystems *=0)

virtual unordered_map< string, double >	getPhasespaceVars (const Event &=Event(), PartonSystems *=0)
	Map filled identical to shower state variables map.

virtual bool	allow_z_endpoint_for_kinematics ()
	Treatment of additional virtual corrections.

virtual bool	allow_pT2_endpoint_for_kinematics ()

virtual bool	allow_sai_endpoint_for_kinematics ()

virtual bool	allow_xa_endpoint_for_kinematics ()

virtual void	try_z_endpoint ()
	Functions to set if kernel should contribute to a kinematical endpoint.

virtual void	try_pT2_endpoint ()

virtual void	try_sai_endpoint ()

virtual void	try_xa_endpoint ()

virtual bool	is_z_endpoint ()
	Return endpoint information.

virtual bool	is_pT2_endpoint ()

virtual bool	is_sai_endpoint ()

virtual bool	is_xa_endpoint ()

virtual double	tdire_ff (double, double t, double)
	Functions to calculate Dire variables from the evolution variables.

virtual double	zdire_ff (double z, double, double)

virtual double	tdire_fi (double, double t, double)

virtual double	zdire_fi (double z, double, double)

virtual double	tdire_if (double, double t, double)

virtual double	zdire_if (double z, double, double)

virtual double	tdire_ii (double, double t, double)

virtual double	zdire_ii (double z, double, double)

virtual bool	hasMECBef (const Event &, double)

virtual bool	hasMECAft (const Event &, double)

virtual void	storeOverhead (double pT2, double x, int radid, int nf, double val)

virtual double	overhead (double pT2, int idd, int nf)

Public Attributes
double	renormMultFac

string	id

int	correctionOrder

Settings *	settingsPtr

ParticleData *	particleDataPtr

Rndm *	rndmPtr

BeamParticle *	beamAPtr

BeamParticle *	beamBPtr

CoupSM *	coupSMPtr

Info *	infoPtr

DireInfo *	direInfoPtr

bool	is_qcd
	Some short-cuts and string hashes to help avoid string comparisons.

bool	is_qed

bool	is_ewk

bool	is_fsr

bool	is_isr

bool	is_dire

ulong	nameHash

unordered_map< string, double >	kernelVals

DireSplitInfo	splitInfo

shared_ptr< DireSpace >	isr

shared_ptr< DireTimes >	fsr

shared_ptr< DireTimes >	fsrDec

multimap< double, OverheadInfo >	overhead_map

Member Function Documentation

virtual double coupling	(	double	= `0.`,
		double	= `0.`,
		double	= `0.`,
		double	= `-1.`,
		pair< int, bool >	= `pair<int,bool>()`,
		pair< int, bool >	= `pair<int,bool>()`
	)

inlinevirtual

Return the value of the coupling that should be used for this branching. Note that the last input allows easy access to the PS evolution variable. return values -1 –> Coupling value not defined. double > 0 –> Value to be used for this branching.

Reimplemented in Dire_fsr_ew_H2GG, Dire_fsr_ew_H2AA, DireSplittingQCD, DireSplittingU1new, DireSplittingEW, and DireSplittingQED.

virtual int couplingType	(	int	,
		int
	)

inlinevirtual

Return an identifier for the interaction that causes the branching. return values -1 –> Type not defined. 1 –> QCD splitting (i.e. proportional to alphaS) 2 –> QED splitting (i.e. proportional to alphaEM) 3 –> EW splitting (i.e. proportional to sinThetaW) 4 –> Yukawa splitting (i.e. proportional to y)

Reimplemented in Dire_fsr_ew_H2GG, Dire_fsr_ew_H2AA, DireSplittingQCD, DireSplittingU1new, DireSplittingEW, and DireSplittingQED.

virtual double getJacobian	(	const Event &	= `Event()`,
		PartonSystems *	= `0`
	)

inlinevirtual

Functions that allow different ordering variables for emissions. Note: Only works after splitInfo has been properly filled.

Reimplemented in DireSplittingQCD.

virtual int kinMap ( )

inlinevirtual

Function to return an identifier for the phase space mapping that is used for setting up this splitting. return values: 1 –> Default Dire mapping. 2 –> Dire 1->3 mapping.

Reimplemented in Dire_fsr_qcd_G2QQ_notPartial, Dire_fsr_qcd_G2GG_notPartial, Dire_fsr_qcd_Q2QG_notPartial, Dire_isr_qcd_Q2QbarQQId, Dire_isr_qcd_Q2qQqbarDist, Dire_isr_qcd_Q2GQ, Dire_isr_qcd_G2QQ, Dire_isr_qcd_G2GG2, Dire_isr_qcd_G2GG1, Dire_isr_qcd_Q2QG, Dire_fsr_qed_L2LA_notPartial, Dire_fsr_qcd_Q2QbarQQId, Dire_fsr_qed_Q2QA_notPartial, Dire_fsr_qcd_Q2qQqbarDist, Dire_isr_qed_L2AL, Dire_isr_u1new_L2AL, Dire_fsr_qcd_G2QQ2, Dire_isr_qed_A2LL, Dire_isr_u1new_A2LL, Dire_fsr_qcd_G2QQ1, Dire_isr_u1new_L2LA, Dire_isr_qed_L2LA, Dire_fsr_qcd_G2GG2, Dire_isr_u1new_Q2AQ, Dire_isr_qed_Q2AQ, Dire_isr_ew_Q2QZ, Dire_isr_u1new_A2QQ, Dire_fsr_qcd_G2GG1, Dire_isr_qed_A2QQ, Dire_fsr_ew_W2WA, Dire_isr_u1new_Q2QA, Dire_fsr_qcd_Q2GQ, Dire_isr_qed_Q2QA, Dire_fsr_ew_H2GG, Dire_fsr_qcd_Q2QG, Dire_fsr_ew_H2AA, Dire_fsr_qcd_G2Gqqbar, Dire_fsr_ew_H2WW, Dire_fsr_qcd_Q2Qqqbar, Dire_fsr_u1new_A2FF, Dire_fsr_ew_W2QQ2, Dire_fsr_qed_A2FF, Dire_fsr_ew_W2QQ1, Dire_fsr_qcd_G2GGG, Dire_fsr_qed_L2AL, Dire_fsr_u1new_L2AL, Dire_fsr_ew_Z2QQ2, Dire_fsr_qcd_Q2QGG, Dire_fsr_qed_L2LA, Dire_fsr_u1new_L2LA, Dire_fsr_ew_Z2QQ1, Dire_fsr_qed_Q2AQ, Dire_fsr_u1new_Q2AQ, Dire_fsr_ew_Q2ZQ, Dire_fsr_qed_Q2QA, Dire_fsr_u1new_Q2QA, and Dire_fsr_ew_Q2QZ.

virtual vector<int> radAndEmt	(	int	,
		int
	)

inlinevirtual

Return a pair of ids for the radiator and emission after the splitting.

Reimplemented in Dire_fsr_qcd_G2Gqqbar, Dire_fsr_u1new_A2FF, Dire_fsr_qed_A2FF, Dire_fsr_qcd_Q2Qqqbar, Dire_fsr_qcd_G2GGG, Dire_fsr_qcd_Q2QGG, DireSplittingQCD, DireSplittingQED, DireSplittingU1new, and DireSplittingEW.

virtual vector<int> recPositions	(	const Event &	,
		int	,
		int
	)

inlinevirtual

Return a vector of all possible recoiler positions, given the positions of the radiator and emission after the splitting.

Reimplemented in Dire_fsr_qcd_G2QQ_notPartial, Dire_fsr_qcd_G2GG_notPartial, Dire_fsr_qcd_Q2QG_notPartial, Dire_isr_qcd_Q2GQ, Dire_isr_qcd_G2QQ, Dire_isr_qcd_G2GG2, Dire_isr_qcd_G2GG1, Dire_isr_qcd_Q2QG, Dire_fsr_qed_L2LA_notPartial, Dire_fsr_qed_Q2QA_notPartial, Dire_fsr_qcd_G2QQ2, Dire_fsr_qcd_G2QQ1, Dire_isr_qed_L2LA, Dire_isr_u1new_L2LA, Dire_fsr_qcd_G2GG2, Dire_fsr_qcd_G2GG1, Dire_fsr_ew_W2WA, Dire_isr_u1new_Q2QA, Dire_fsr_qcd_Q2GQ, Dire_isr_qed_Q2QA, Dire_fsr_ew_H2GG, Dire_fsr_qcd_Q2QG, Dire_fsr_ew_H2AA, Dire_fsr_u1new_A2FF, Dire_fsr_qed_A2FF, Dire_fsr_u1new_L2AL, Dire_fsr_qed_L2AL, Dire_fsr_qed_L2LA, Dire_fsr_u1new_L2LA, Dire_fsr_qed_Q2AQ, Dire_fsr_u1new_Q2AQ, Dire_fsr_qed_Q2QA, and Dire_fsr_u1new_Q2QA.

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

include/Pythia8/DireSplittings.h
src/DireSplittings.cc

Public Member Functions

Public Attributes

Member Function Documentation