IFMggxDipole implements the D^{g,g}_k subtraction dipole. More...

#include <IFMggxDipole.h>

Inheritance diagram for Herwig::IFMggxDipole:

[legend]

Public Member Functions
	IFMggxDipole ()
	The default constructor.

virtual bool	canHandleEmitter (const cPDVector &partons, int emitter) const
	Return true, if this dipole can possibly handle the indicated emitter.

virtual bool	canHandleSplitting (const cPDVector &partons, int emitter, int emission) const
	Return true, if this dipole can possibly handle the indicated splitting.

virtual bool	canHandleSpectator (const cPDVector &partons, int spectator) const
	Return true, if this dipole can possibly handle the indicated spectator.

virtual bool	canHandle (const cPDVector &partons, int emitter, int emission, int spectator) const
	Return true, if this dipole applies to the selected configuration.

virtual int	samplingZ () const
	How to sample the z-distribution.

virtual double	me2 () const
	Return the matrix element for the kinematical configuation previously provided by the last call to setKinematics(), suitably scaled by sHat() to give a dimension-less number.

virtual double	me2Avg (double ccme2) const
	Return the matrix element averaged over spin correlations.

Public Member Functions inherited from Herwig::SubtractionDipole
	SubtractionDipole ()
	The default constructor.

virtual	~SubtractionDipole ()
	The destructor.

Ptr< MatchboxFactory >::tptr	factory () const
	Return the factory which produced this matrix element.

virtual void	setXComb (tStdXCombPtr xc)
	Set the XComb object to be used in the next call to generateKinematics() and dSigHatDR().

virtual void	setKinematics ()
	Set the typed and momenta of the incoming and outgoing partons to be used in subsequent calls to me() and colourGeometries() according to the associated XComb object.

virtual bool	generateKinematics (const double *r)
	Generate internal degrees of freedom given nDim() uniform random numbers in the interval ]0,1[.

virtual int	nDim () const
	The number of internal degreed of freedom used in the matrix element.

virtual bool	wantCMS () const
	Return true, if this matrix element expects the incoming partons in their center-of-mass system.

virtual void	clearKinematics ()
	Clear the information previously provided by a call to setKinematics(...).

virtual bool	ignoreCuts () const
	If this is a dependent matrix element in a ME group, return true, if cuts should be ignored.

void	doIgnoreCuts (bool is=true)
	Indicate that cuts should be ignored.

Ptr< TildeKinematics >::tcptr	tildeKinematics () const
	Return the TildeKinematics object used.

void	tildeKinematics (Ptr< TildeKinematics >::tptr)
	Set the TildeKinematics object used.

virtual bool	generateTildeKinematics ()
	Generate the tilde kinematics from real emission kinematics accessible through the XComb's head object and store it in meMomenta().

Ptr< InvertedTildeKinematics >::tcptr	invertedTildeKinematics () const
	Return the InvertedTildeKinematics object used.

void	invertedTildeKinematics (Ptr< InvertedTildeKinematics >::tptr)
	Set the InvertedTildeKinematics object used.

virtual int	nDimRadiation () const
	Return the number of additional random numbers needed to generate real emission kinematics off the tilde kinematics previously supplied through the XComb object.

virtual bool	generateRadiationKinematics (const double *)
	Generate the real emission kinematics off the Born kinematics accessible through the XComb's head object and store it in meMomenta(); store the single particle phasespace in units of lastHeadXComb()->lastSHat() in jacobian().

void	ptCut (Energy cut)
	Set a pt cut when splitting.

Energy	lastDipoleScale () const
	Return the relevant dipole scale.

Energy	lastPt () const
	Return the relevant pt.

double	lastZ () const
	Return the relevant momentum fractions.

bool	splitting () const
	Return true, if this dipole acts in splitting mode.

void	doSplitting ()
	Switch on splitting mode for this dipole.

void	doSubtraction ()
	Switch off splitting mode for this dipole.

const vector< double > &	subtractionParameters () const
	Return the subtraction parameters.

vector< double > &	subtractionParameters ()
	Access the subtraction parameters.

Energy	showerHardScale () const
	Return the shower hard scale encountered.

void	showerHardScale (Energy s)
	Set the shower hard scale encountered.

Energy	showerScale () const
	Return the shower evolution scale encountered.

void	showerScale (Energy s)
	Set the shower evolution scale encountered.

const vector< double > &	showerParameters () const
	Return the shower splitting variables encountered.

vector< double > &	showerParameters ()
	Access the shower splitting variables encountered.

bool	isInShowerPhasespace () const
	Return true, if this configuration is in the shower phase space.

void	isInShowerPhasespace (bool yes)
	Indicate whether this configuration is in the shower phase space.

bool	isAboveCutoff () const
	Return true, if this configuration is above the shower infrared cutoff.

void	isAboveCutoff (bool yes)
	Indicate whether this configuration is above the shower infrared cutoff.

bool	realEmissionScales () const
	Return true, if scales should be calculated from real emission kinematics.

void	doRealEmissionScales (bool on=true)
	Switch on or off that scales should be calculated from real emission kinematics.

virtual Energy2	scale () const
	Return the scale associated with the phase space point provided by the last call to setKinematics().

virtual double	alphaS () const
	Return the value of \(\alpha_S\) associated with the phase space point provided by the last call to setKinematics().

virtual double	alphaEM () const
	Return the value of \(\alpha_EM\) associated with the phase space point provided by the last call to setKinematics().

virtual bool	havePDFWeight1 () const
	Return true, if this matrix element provides the PDF weight for the first incoming parton itself.

virtual bool	havePDFWeight2 () const
	Return true, if this matrix element provides the PDF weight for the second incoming parton itself.

Ptr< MatchboxMEBase >::tcptr	realEmissionME () const
	Return the real emission matrix element.

Ptr< MatchboxMEBase >::tptr	realEmissionME ()
	Return the real emission matrix element.

void	realEmissionME (Ptr< MatchboxMEBase >::tptr me)
	Set the real emission matrix element.

Ptr< MatchboxMEBase >::tcptr	underlyingBornME () const
	Return the underlying Born matrix element.

Ptr< MatchboxMEBase >::tptr	underlyingBornME ()
	Return the underlying Born matrix element.

void	underlyingBornME (Ptr< MatchboxMEBase >::tptr me)
	Set the underlying Born matrix element.

void	partnerDipoles (const vector< Ptr< SubtractionDipole >::tptr > &p)
	Set the dipoles which have been found along with this dipole.

const vector< Ptr< SubtractionDipole >::tptr > &	partnerDipoles () const
	Return the dipoles which have been found along with this dipole.

virtual CrossSection	dSigHatDR (Energy2 factorizationScale) const
	Return the matrix element squared differential in the variables given by the last call to generateKinematics().

virtual CrossSection	dSigHatDR () const
	Return the matrix element squared differential in the variables given by the last call to generateKinematics().

CrossSection	prefactor (Energy2 factorizationScale) const
	calculate the general prefactor for merging.

CrossSection	ps (Energy2 factorizationScale, Ptr< ColourBasis >::tptr largeNBasis) const
	Calculate the parton shower approximation for this dipole.

CrossSection	dip (Energy2 factorizationScale) const
	Calculate the dipole with clusterfsafe flag.

pair< CrossSection, CrossSection >	dipandPs (Energy2 factorizationScale, Ptr< ColourBasis >::tptr largeNBasis) const
	Calculate the dipole dSigDR and the parton shower approximation for this dipole.

void	showerApproximation (Ptr< ShowerApproximation >::tptr app)
	Set the shower approximation.

Ptr< ShowerApproximation >::tptr	showerApproximation () const
	Return the shower approximation.

void	doRealShowerSubtraction ()
	Indicate that the shower real emission contribution should be subtracted.

bool	realShowerSubtraction () const
	Return true, if the shower real emission contribution should be subtracted.

void	doVirtualShowerSubtraction ()
	Indicate that the shower virtual contribution should be subtracted.

bool	virtualShowerSubtraction () const
	Return true, if the shower virtual contribution should be subtracted.

void	doLoopSimSubtraction ()
	Indicate that the loopsim matched virtual contribution should be subtracted.

bool	loopSimSubtraction () const
	Return true, if the loopsim matched virtual contribution should be subtracted.

virtual void	flushCaches ()
	Inform this matrix element that a new phase space point is about to be generated, so all caches should be flushed.

void	doTestSubtraction ()
	Indicate that the subtraction is being tested.

bool	testSubtraction () const
	Return true, if the subtraction is being tested.

bool	verbose () const
	Return true, if verbose.

void	print (ostream &) const
	Dump the setup to an ostream.

virtual void	printLastEvent (ostream &) const
	Print debug information on the last event.

void	logGenerateTildeKinematics () const
	Write out diagnostic information for generateTildeKinematics.

void	logGenerateRadiationKinematics (const double *r) const
	Write out diagnostic information for generateRadiationKinematics.

void	logME2 () const
	Write out diagnostic information for me2 evaluation.

void	logDSigHatDR (double effectiveJac) const
	Write out diagnostic information for dsigdr evaluation.

void	addReweight (Ptr< MatchboxReweightBase >::ptr rw)
	Insert a reweight object.

const vector< Ptr< MatchboxReweightBase >::ptr > &	reweights () const
	Return the reweight objects.

vector< Ptr< MatchboxReweightBase >::ptr > &	reweights ()
	Access the reweight objects.

Ptr< SubtractionDipole >::ptr	cloneMe () const
	Clone this dipole.

void	cloneDependencies (const std::string &prefix="", bool slim=false)
	Clone the dependencies, using a given prefix.

virtual void	constructVertex (tSubProPtr sub)
	construct the spin information for the interaction

virtual void	constructVertex (tSubProPtr sub, const ColourLines *cl)
	construct the spin information for the interaction

virtual void	generateSubCollision (SubProcess &sub)
	Comlete a SubProcess object using the internal degrees of freedom generated in the last generateKinematics() (and possible other degrees of freedom which was intergated over in dSigHatDR().

double	alpha () const
	Alpha parameter as in Nagy (http://arxiv.org/pdf/hep-ph/0307268v2.pdf) to restrict dipole phase space.

bool	aboveAlpha () const

virtual bool	isSymmetric () const
	Return true, if this dipole is symmetric with respect to emitter and emission.

virtual bool	apply () const
	If this is a dependent matrix element in a ME group, return true, if it applies to the process set in lastXComb()

void	clearBookkeeping ()
	Clear the bookkeeping.

void	setupBookkeeping (const map< Ptr< DiagramBase >::ptr, MergeInfo > &mergeInfo, bool slim)
	Setup bookkeeping maps.

void	subtractionBookkeeping ()
	Get bookkeeping information for the given real emission diagram.

void	splittingBookkeeping ()
	Determine bookkeeping information for the underlying Born process supplied through the lastHeadXComb() object.

virtual StdXCombPtr	makeXComb (Energy newMaxEnergy, const cPDPair &inc, tEHPtr newEventHandler, tSubHdlPtr newSubProcessHandler, tPExtrPtr newExtractor, tCascHdlPtr newCKKW, const PBPair &newPartonBins, tCutsPtr newCuts, const DiagramVector &newDiagrams, bool mir, const PartonPairVec &allPBins, tStdXCombPtr newHead=tStdXCombPtr(), tMEPtr newME=tMEPtr())
	For the given event generation setup return a xcomb object appropriate to this matrix element.

virtual StdXCombPtr	makeXComb (tStdXCombPtr newHead, const PBPair &newPartonBins, const DiagramVector &newDiagrams, tMEPtr newME=tMEPtr())
	For the given event generation setup return a dependent xcomb object appropriate to this matrix element.

StdXCombPtr	makeBornXComb (tStdXCombPtr realXC)
	Create a dependent xcomb object for the underlying Born process, given a XComb driving the real emission.

vector< StdXCombPtr >	makeRealXCombs (tStdXCombPtr bornXC)
	Create dependent xcomb objects for the real emission process, given a XComb driving the underlying Born.

bool	empty () const
	Return true, if bookkeeping did not find a non-trivial setup.

int	realEmitter () const
	Return the emitter as referred to by the real emission matrix element.

void	realEmitter (int id)
	Set the emitter as referred to by the real emission matrix element.

int	realEmission () const
	Return the emission as referred to by the real emission matrix element.

void	realEmission (int id)
	Set the emission as referred to by the real emission matrix element.

int	realSpectator () const
	Return the spectator as referred to by the real emission matrix element.

void	realSpectator (int id)
	Set the spectator as referred to by the real emission matrix element.

int	bornEmitter () const
	Return the emitter as referred to by the underlying Born process.

void	bornEmitter (int id)
	Set the emitter as referred to by the underlying Born process.

int	bornSpectator () const
	Return the spectator as referred to by the underlying Born process.

void	bornSpectator (int id)
	Set the spectator as referred to by the underlying Born process.

const map< RealEmissionKey, UnderlyingBornInfo > &	mergingMap () const
	Return the merging map.

const multimap< UnderlyingBornKey, RealEmissionInfo > &	splittingMap () const
	Return the splitting map.

const DiagramVector &	underlyingBornDiagrams (const cPDVector &real) const
	Return the underlying Born diagrams to be considered for the given real emission process.

tcDiagPtr	underlyingBornDiagram (tcDiagPtr realDiag) const
	Find the underlying Born diagram for the given real emission diagram.

const DiagramVector &	realEmissionDiagrams (const cPDVector &born) const
	Return the real emission diagrams to be considered for the given Born process.

tcDiagPtr	realEmissionDiagram (tcDiagPtr bornDiag) const
	Find the real emission diagram for the given underlying Born diagram.

virtual void	getDiagrams () const
	Add all possible diagrams with the add() function.

virtual bool	noMirror () const
	Return true, if this matrix element does not want to make use of mirroring processes; in this case all possible partonic subprocesses with a fixed assignment of incoming particles need to be provided through the diagrams added with the add(...) method.

virtual Selector< DiagramIndex >	diagrams (const DiagramVector &dv) const
	With the information previously supplied with the setKinematics(...) method, a derived class may optionally override this method to weight the given diagrams with their (although certainly not physical) relative probabilities.

virtual Selector< const ColourLines * >	colourGeometries (tcDiagPtr diag) const
	Return a Selector with possible colour geometries for the selected diagram weighted by their relative probabilities.

virtual const ColourLines &	selectColourGeometry (tcDiagPtr diag) const
	Select a ColpurLines geometry.

virtual unsigned int	orderInAlphaS () const
	Return the order in \(\alpha_S\) in which this matrix element is given.

virtual unsigned int	orderInAlphaEW () const
	Return the order in \(\alpha_{EM}\) in which this matrix element is given.

void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.

void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.

Public Member Functions inherited from ThePEG::MEBase
virtual unsigned int	orderInAlphaS () const=0

virtual unsigned int	orderInAlphaEW () const=0

virtual double	me2 () const=0

virtual Energy2	scale () const=0

virtual double	alphaS () const

virtual double	alphaEM () const

void	setKinematics (tPPair in, const PVector &out)

virtual void	setKinematics ()

virtual void	constructVertex (tSubProPtr sub)

virtual void	constructVertex (tSubProPtr sub, const ColourLines *cl)

virtual int	nDim () const

virtual bool	generateKinematics (const double *r)=0

virtual bool	wantCMS () const

virtual bool	headCuts () const

virtual bool	ignoreCuts () const

virtual bool	apply () const

virtual CrossSection	dSigHatDR () const=0

virtual map< string, double >	generateOptionalWeights ()

virtual bool	haveX1X2 () const

virtual bool	havePDFWeight1 () const

virtual bool	havePDFWeight2 () const

virtual bool	keepRandomNumbers () const

virtual void	generateSubCollision (SubProcess &)

virtual void	clearKinematics ()

virtual void	getDiagrams () const=0

virtual bool	noMirror () const

const DiagramVector &	diagrams () const

virtual Selector< const ColourLines * >	colourGeometries (tcDiagPtr diag) const=0

virtual const ColourLines &	selectColourGeometry (tcDiagPtr diag) const

virtual Selector< DiagramIndex >	diagrams (const DiagramVector &) const

virtual DiagramIndex	diagram (const DiagramVector &) const

bool	reweighted () const

double	reWeight () const

double	preWeight () const

void	addReweighter (tReweightPtr rw)

void	addPreweighter (tReweightPtr rw)

Ptr< Amplitude >::pointer	amplitude () const

void	amplitude (Ptr< Amplitude >::pointer amp)

Energy2	sHat () const

double	preweight () const

virtual void	flushCaches ()

virtual StdXCombPtr	makeXComb (Energy newMaxEnergy, const cPDPair &inc, tEHPtr newEventHandler, tSubHdlPtr newSubProcessHandler, tPExtrPtr newExtractor, tCascHdlPtr newCKKW, const PBPair &newPartonBins, tCutsPtr newCuts, const DiagramVector &newDiagrams, bool mir, const PartonPairVec &allPBins, tStdXCombPtr newHead=tStdXCombPtr(), tMEPtr newME=tMEPtr())

virtual StdXCombPtr	makeXComb (tStdXCombPtr newHead, const PBPair &newPartonBins, const DiagramVector &newDiagrams, tMEPtr newME=tMEPtr())

virtual void	fillProjectors ()

virtual void	setXComb (tStdXCombPtr)

const DVector &	meInfo () const

void	meInfo (const DVector &info) const

virtual int	maxMultCKKW () const

virtual int	minMultCKKW () const

virtual void	maxMultCKKW (int mult)

virtual void	minMultCKKW (int mult)

virtual void	setVetoScales (tSubProPtr) const

virtual unsigned int	orderInAlphaS () const=0

virtual unsigned int	orderInAlphaEW () const=0

virtual double	me2 () const=0

virtual Energy2	scale () const=0

virtual double	alphaS () const

virtual double	alphaEM () const

void	setKinematics (tPPair in, const PVector &out)

virtual void	setKinematics ()

virtual void	constructVertex (tSubProPtr sub)

virtual void	constructVertex (tSubProPtr sub, const ColourLines *cl)

virtual int	nDim () const

virtual bool	generateKinematics (const double *r)=0

virtual bool	wantCMS () const

virtual bool	headCuts () const

virtual bool	ignoreCuts () const

virtual bool	apply () const

virtual CrossSection	dSigHatDR () const=0

virtual map< string, double >	generateOptionalWeights ()

virtual bool	haveX1X2 () const

virtual bool	havePDFWeight1 () const

virtual bool	havePDFWeight2 () const

virtual bool	keepRandomNumbers () const

virtual void	generateSubCollision (SubProcess &)

virtual void	clearKinematics ()

virtual void	getDiagrams () const=0

virtual bool	noMirror () const

const DiagramVector &	diagrams () const

virtual Selector< const ColourLines * >	colourGeometries (tcDiagPtr diag) const=0

virtual const ColourLines &	selectColourGeometry (tcDiagPtr diag) const

virtual Selector< DiagramIndex >	diagrams (const DiagramVector &) const

virtual DiagramIndex	diagram (const DiagramVector &) const

bool	reweighted () const

double	reWeight () const

double	preWeight () const

void	addReweighter (tReweightPtr rw)

void	addPreweighter (tReweightPtr rw)

Ptr< Amplitude >::pointer	amplitude () const

void	amplitude (Ptr< Amplitude >::pointer amp)

Energy2	sHat () const

double	preweight () const

virtual void	flushCaches ()

virtual StdXCombPtr	makeXComb (Energy newMaxEnergy, const cPDPair &inc, tEHPtr newEventHandler, tSubHdlPtr newSubProcessHandler, tPExtrPtr newExtractor, tCascHdlPtr newCKKW, const PBPair &newPartonBins, tCutsPtr newCuts, const DiagramVector &newDiagrams, bool mir, const PartonPairVec &allPBins, tStdXCombPtr newHead=tStdXCombPtr(), tMEPtr newME=tMEPtr())

virtual StdXCombPtr	makeXComb (tStdXCombPtr newHead, const PBPair &newPartonBins, const DiagramVector &newDiagrams, tMEPtr newME=tMEPtr())

virtual void	fillProjectors ()

virtual void	setXComb (tStdXCombPtr)

const DVector &	meInfo () const

void	meInfo (const DVector &info) const

virtual int	maxMultCKKW () const

virtual int	minMultCKKW () const

virtual void	maxMultCKKW (int mult)

virtual void	minMultCKKW (int mult)

virtual void	setVetoScales (tSubProPtr) const

void	persistentOutput (PersistentOStream &os) const

void	persistentInput (PersistentIStream &is, int version)

Public Member Functions inherited from ThePEG::HandlerBaseT< UseRandom >
double	rnd () const

double	rnd (double xu) const

double	rnd (double xl, double xu) const

bool	rndbool () const

bool	rndbool (double p) const

bool	rndbool (double p1, double p2) const

int	rndsign (double p1, double p2, double p3) const

int	rnd2 (double p0, double p1) const

int	rnd3 (double p0, double p1, double p2) const

int	rnd4 (double p0, double p1, double p2, double p3) const

long	irnd (long xu=2) const

long	irnd (long xl, long xu) const

const StandardModelBase &	SM () const

tSMPtr	standardModel () const

Public Member Functions inherited from ThePEG::Interfaced
virtual bool	defaultInit ()

PPtr	getParticle (PID) const

PDPtr	getParticleData (PID) const

bool	used () const

void	useMe () const

tEGPtr	generator () const

void	persistentOutput (PersistentOStream &os) const

void	persistentInput (PersistentIStream &is, int version)

PPtr	getParticle (PID) const

PDPtr	getParticleData (PID) const

bool	used () const

void	useMe () const

tEGPtr	generator () const

Public Member Functions inherited from ThePEG::InterfacedBase
string	fullName () const

string	name () const

string	path () const

string	comment () const

void	setup (istream &is)

void	update ()

void	init ()

virtual bool	preInitialize () const

void	initrun ()

void	finish ()

void	touch ()

void	reset ()

void	clear ()

InitState	state () const

bool	locked () const

bool	touched () const

virtual IBPtr	fullclone () const

void	persistentOutput (PersistentOStream &os) const

void	persistentInput (PersistentIStream &is, int version)

virtual void	debugme () const

void	update ()

void	init ()

virtual bool	preInitialize () const

void	initrun ()

void	finish ()

void	touch ()

void	reset ()

void	clear ()

InitState	state () const

bool	locked () const

bool	touched () const

virtual IBPtr	fullclone () const

Public Member Functions inherited from ThePEG::Base
void	debug () const

virtual void	debugme () const

Public Member Functions inherited from ThePEG::Pointer::ReferenceCounted
CounterType	referenceCount () const

Public Member Functions inherited from ThePEG::Named
	Named (const string &newName=string())

	Named (const Named &)=default

const string &	name () const

bool	operator== (const Named &other) const

bool	operator< (const Named &other) const

Public Member Functions inherited from ThePEG::LastXCombInfo< StandardXComb >
const XC &	lastXComb () const

const XC &	lastXComb () const

tXCPtr	lastXCombPtr () const

tXCPtr	lastXCombPtr () const

const XC &	lastHeadXComb () const

const XC &	lastHeadXComb () const

tXCPtr	lastHeadXCombPtr () const

tXCPtr	lastHeadXCombPtr () const

const EventHandler &	lastEventHandler () const

const EventHandler &	lastEventHandler () const

tPExtrPtr	lastExtractor () const

tPExtrPtr	lastExtractor () const

PDFT	pdf (tcPPtr parton) const

PDFT	pdf (tcPPtr parton) const

const Cuts &	lastCuts () const

const Cuts &	lastCuts () const

tCutsPtr	lastCutsPtr () const

tCutsPtr	lastCutsPtr () const

const PPair &	lastParticles () const

const PPair &	lastParticles () const

Energy2	lastS () const

Energy2	lastS () const

const PPair &	lastPartons () const

const PPair &	lastPartons () const

Energy2	lastSHat () const

Energy2	lastSHat () const

double	lastTau () const

double	lastTau () const

double	lastY () const

double	lastY () const

double	lastP1 () const

double	lastP1 () const

double	lastP2 () const

double	lastP2 () const

double	lastL1 () const

double	lastL1 () const

double	lastL2 () const

double	lastL2 () const

double	lastX1 () const

double	lastX1 () const

double	lastX2 () const

double	lastX2 () const

double	lastE1 () const

double	lastE1 () const

double	lastE2 () const

double	lastE2 () const

double	lastFL1L2 () const

double	lastFL1L2 () const

Energy2	lastScale () const

double	lastAlphaS () const

double	lastAlphaEM () const

const vector< Lorentz5Momentum > &	meMomenta () const

double	lastME2 () const

double	lastPreweight () const

double	jacobian () const

CrossSection	lastMECrossSection () const

double	lastMEPDFWeight () const

double	lastMECouplings () const

tSubProPtr	subProcess () const

const cPDVector &	mePartonData () const

Public Member Functions inherited from Herwig::LastMatchboxXCombInfo
	LastMatchboxXCombInfo ()
	Default constructor.

MatchboxXCombData *	lastMatchboxXComb () const
	Return a pointer to the last selected XComb.

MatchboxXCombData *	lastHeadMatchboxXComb () const
	If the last selected XComb object belongs to a group of XComb's return a pointer to the head XComb object for this group.

const vector< int > &	crossingMap () const
	The crossing information as filled by the last call to fillCrossingMap()

const map< size_t, size_t > &	amplitudeToColourMap () const
	The colour crossing information as filled by the last call to fillCrossingMap()

const map< size_t, size_t > &	colourToAmplitudeMap () const
	The colour crossing information as filled by the last call to fillCrossingMap()

double	crossingSign () const
	The crossing sign as filled by the last call to fillCrossingMap()

Energy2	lastRenormalizationScale () const
	The last renormalization scale.

const cPDVector &	amplitudePartonData () const
	The amplitude parton data.

const vector< Lorentz5Momentum > &	amplitudeMomenta () const
	The crossed momenta.

bool	calculateTreeAmplitudes () const
	True, if the the tree level amplitudes need to be calculated.

const map< vector< int >, CVector > &	lastAmplitudes () const
	The amplitude values which have been contributing to the last call of prepareAmplitudes.

const map< vector< int >, CVector > &	lastLargeNAmplitudes () const
	The leading N amplitude values which have been contributing to the last call of prepareAmplitudes.

bool	calculateOneLoopAmplitudes () const
	True, if the the one-loop amplitudes need to be calculated.

const map< vector< int >, CVector > &	lastOneLoopAmplitudes () const
	The one-loop amplitude values which have been contributing to the last call of prepareAmplitudes.

bool	calculateTreeME2 () const
	True, if the tree-level matrix element squared needs to be calculated.

double	lastTreeME2 () const
	The last tree-level matrix element squared.

bool	calculateLargeNME2 () const
	True, if the tree-level matrix element squared needs to be calculated.

double	lastLargeNME2 () const
	The last tree-level matrix element squared.

bool	calculateOneLoopInterference () const
	True, if the one-loop/tree-level interference.

double	lastOneLoopInterference () const
	The last one-loop/tree-level interference.

bool	calculateOneLoopPoles () const
	True, if the one-loop/tree-level interference.

pair< double, double >	lastOneLoopPoles () const
	The last one-loop/tree-level interference.

bool	calculateColourCorrelator (const pair< int, int > &ij) const
	True, if the indexed colour correlated matrix element needs to be calculated.

double	lastColourCorrelator (const pair< int, int > &ij) const
	The colour correlated matrix element.

bool	calculateLargeNColourCorrelator (const pair< int, int > &ij) const
	True, if the indexed large-N colour correlated matrix element needs to be calculated.

double	lastLargeNColourCorrelator (const pair< int, int > &ij) const
	The large-N colour correlated matrix element.

bool	calculateColourSpinCorrelator (const pair< int, int > &ij) const
	True, if the indexed colour/spin correlated matrix element needs to be calculated.

Complex	lastColourSpinCorrelator (const pair< int, int > &ij) const
	The colour/spin correlated matrix element.

bool	calculateSpinCorrelator (const pair< int, int > &ij) const
	True, if the indexed spin correlated matrix element needs to be calculated.

Complex	lastSpinCorrelator (const pair< int, int > &ij) const
	The spin correlated matrix element.

unsigned int	nLight () const
	Return the number of light flavours to be considered for this process.

vector< long >	nLightJetVec () const
	Return the vector that contains the PDG ids of the light flavours, which are contained in the jet particle group.

vector< long >	nHeavyJetVec () const
	Return the vector that contains the PDG ids of the heavy flavours, which are contained in the jet particle group.

vector< long >	nLightProtonVec () const
	Return the vector that contains the PDG ids of the light flavours, which are contained in the proton particle group.

size_t	colourBasisDim () const
	Get the dimensionality of the colour basis for this process.

int	nDimPhasespace () const
	Return the number of degrees of freedom required by the phase space generator.

int	nDimAmplitude () const
	Return the number of degrees of freedom required by the amplitude.

int	nDimInsertions () const
	Return the number of degrees of freedom required by the insertion operators.

const vector< double > &	amplitudeRandomNumbers () const
	Get the additional random numbers required by the amplitude.

const vector< double > &	insertionRandomNumbers () const
	Get the additional random numbers required by the insertion operator.

const map< int, double > &	diagramWeights () const
	Return the diagram weights indexed by diagram id.

const set< pair< size_t, size_t > > &	singularLimits () const
	Return the singular limits.

const set< pair< size_t, size_t > >::const_iterator &	lastSingularLimit () const
	Return the last matched singular limit.

Ptr< StandardModel >::tcptr	hwStandardModel () const
	Get the Herwig StandardModel object.

double	symmetryFactor () const
	Return the symmetry factor.

const vector< int > &	olpId () const
	Return the OLP process id.

double *	olpMomenta () const
	Return the olp momentum vector.

void	fillOLPMomenta (const vector< Lorentz5Momentum > &mm, const cPDVector &mePartonData, const map< long, Energy > &reshuffleMap) const
	Fill the olp momentum vector.

Functions used by the persistent I/O system.
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.

void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.

static void	Init ()
	The standard Init function used to initialize the interfaces.

Clone Methods.
virtual IBPtr	clone () const
	Make a simple clone of this object.

virtual IBPtr	fullclone () const
	Make a clone of this object, possibly modifying the cloned object to make it sane.

IFMggxDipole &	operator= (const IFMggxDipole &)=delete
	The assignment operator is private and must never be called.

Additional Inherited Members
Public Types inherited from Herwig::SubtractionDipole
typedef pair< pair< cPDVector, int >, pair< int, int > >	RealEmissionKey
	Define the real emission key type.

typedef pair< cPDVector, pair< int, int > >	UnderlyingBornKey
	Define the underlying Born key type.

typedef pair< RealEmissionKey, map< int, int > >	RealEmissionInfo
	Define real emission key and index dictionary for partons not involved in the given dipole.

typedef pair< UnderlyingBornKey, map< int, int > >	UnderlyingBornInfo
	Define underlying Born key and index dictionary for partons not involved in the given dipole.

Public Types inherited from ThePEG::MEBase
typedef vector< DiagPtr >	DiagramVector

typedef DiagramVector::size_type	DiagramIndex

typedef vector< ReweightPtr >	ReweightVector

Public Types inherited from ThePEG::InterfacedBase
enum	InitState

Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int	CounterType

Public Types inherited from ThePEG::LastXCombInfo< StandardXComb >
typedef ThePEG::Ptr< XC >::pointer	XCPtr

typedef ThePEG::Ptr< XC >::const_pointer	cXCPtr

typedef ThePEG::Ptr< XC >::transient_pointer	tXCPtr

typedef ThePEG::Ptr< XC >::transient_const_pointer	tcXCPtr

Static Public Member Functions inherited from Herwig::SubtractionDipole
static RealEmissionKey	realEmissionKey (const cPDVector &proc, int em, int emm, int sp)
	Create a real emission key.

static const cPDVector &	process (const RealEmissionKey &key)
	Return the diagram of a real emission key.

static int	emission (const RealEmissionKey &key)
	Return the emission id of a real emission key.

static int	emitter (const RealEmissionKey &key)
	Return the emitter id of a real emission key.

static int	spectator (const RealEmissionKey &key)
	Return the spectator id of a real emission key.

static UnderlyingBornKey	underlyingBornKey (const cPDVector &proc, int em, int sp)
	Create a underlying Born key.

static const cPDVector &	process (const UnderlyingBornKey &key)
	Return the diagram of a underlying Born key.

static int	emitter (const UnderlyingBornKey &key)
	Return the emitter id of a underlying Born key.

static int	spectator (const UnderlyingBornKey &key)
	Return the spectator id of a underlying Born key.

static void	Init ()
	The standard Init function used to initialize the interfaces.

Static Public Member Functions inherited from ThePEG::MEBase
static void	Init ()

Static Public Member Functions inherited from ThePEG::HandlerBase
static void	Init ()

Static Public Member Functions inherited from ThePEG::Interfaced
static void	Init ()

Static Public Member Functions inherited from ThePEG::InterfacedBase
static void	Init ()

Static Public Member Functions inherited from ThePEG::Base
static void	Init ()

Public Attributes inherited from ThePEG::InterfacedBase
	initializing

	uninitialized

	initialized

	runready

Public Attributes inherited from ThePEG::Pointer::ReferenceCounted
const unsigned long	uniqueId

Protected Member Functions inherited from Herwig::SubtractionDipole
virtual void	doinit ()
	Initialize this object after the setup phase before saving an EventGenerator to disk.

virtual void	doinitrun ()
	Initialize this object.

Protected Member Functions inherited from ThePEG::MEBase
virtual void	doinit ()

virtual void	doinitrun ()

void	add (DiagPtr dp) const

vector< Lorentz5Momentum > &	meMomenta ()

void	lastME2 (double v) const

void	lastPreweight (double w) const

void	lastMECrossSection (CrossSection v) const

void	lastMEPDFWeight (double v) const

void	lastMECouplings (double v) const

void	jacobian (double j)

void	use (tcMEPtr other)

void	useDiagrams (tcMEPtr other) const

Protected Member Functions inherited from ThePEG::Interfaced
void	reporeg (IBPtr object, string name) const

bool	setDefaultReference (PtrT &ptr, string classname, string objectname)

	Interfaced (const string &newName)

	Interfaced (const Interfaced &i)

void	setGenerator (tEGPtr generator)

Protected Member Functions inherited from ThePEG::InterfacedBase
virtual void	readSetup (istream &is)

virtual void	doupdate ()

virtual void	doinit ()

virtual void	doinitrun ()

virtual void	dofinish ()

virtual IVector	getReferences ()

virtual void	rebind (const TranslationMap &)

virtual IBPtr	clone () const=0

	InterfacedBase (string newName)

	InterfacedBase (const InterfacedBase &i)

virtual void	readSetup (istream &is)

virtual void	doupdate ()

virtual void	doinit ()

virtual void	doinitrun ()

virtual void	dofinish ()

virtual IVector	getReferences ()

virtual void	rebind (const TranslationMap &)

Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted
	ReferenceCounted (const ReferenceCounted &)

ReferenceCounted &	operator= (const ReferenceCounted &)

Protected Member Functions inherited from ThePEG::Named
const Named &	operator= (const Named &other)

const string &	name (const string &newName)

Protected Member Functions inherited from Herwig::LastMatchboxXCombInfo
vector< int > &	crossingMap ()
	The crossing information as filled by the last call to fillCrossingMap()

map< size_t, size_t > &	amplitudeToColourMap ()
	The colour crossing information as filled by the last call to fillCrossingMap()

map< size_t, size_t > &	colourToAmplitudeMap ()
	The colour crossing information as filled by the last call to fillCrossingMap()

void	crossingSign (double c)
	The crossing sign as filled by the last call to fillCrossingMap()

void	lastRenormalizationScale (Energy2 lrs)
	The last renormalization scale.

cPDVector &	amplitudePartonData ()
	The amplitude parton data.

vector< Lorentz5Momentum > &	amplitudeMomenta ()
	The crossed momenta.

void	haveTreeAmplitudes (bool f=true)
	True, if the the tree level amplitudes need to be calculated.

map< vector< int >, CVector > &	lastAmplitudes ()
	The amplitude values which have been contributing to the last call of prepareAmplitudes.

map< vector< int >, CVector > &	lastLargeNAmplitudes ()
	The leading N amplitude values which have been contributing to the last call of prepareAmplitudes.

void	haveOneLoopAmplitudes (bool f=true)
	True, if the the one-loop amplitudes need to be calculated.

map< vector< int >, CVector > &	lastOneLoopAmplitudes ()
	The one-loop amplitude values which have been contributing to the last call of prepareAmplitudes.

void	lastTreeME2 (double v) const
	The last tree-level matrix element squared.

void	lastLargeNME2 (double v) const
	The last tree-level matrix element squared.

void	lastOneLoopInterference (double v) const
	The last one-loop/tree-level interference.

void	lastOneLoopPoles (pair< double, double > v) const
	The last one-loop/tree-level interference.

void	lastColourCorrelator (const pair< int, int > &ij, double v) const
	The colour correlated matrix element.

void	lastLargeNColourCorrelator (const pair< int, int > &ij, double v) const
	The large-N colour correlated matrix element.

void	lastColourSpinCorrelator (const pair< int, int > &ij, Complex v) const
	The colour/spin correlated matrix element.

void	lastSpinCorrelator (const pair< int, int > &ij, Complex v) const
	The spin correlated matrix element.

void	nLight (unsigned int n)
	Set the number of light flavours to be considered for this process.

void	nLightJetVec (int n)
	Set the elements of the vector that contains the PDG ids of the light flavours, which are contained in the jet particle group.

void	nHeavyJetVec (int n)
	Set the elements of the vector that contains the PDG ids of the heavy flavours, which are contained in the jet particle group.

void	nLightProtonVec (int n)
	Set the elements of the vector that contains the PDG ids of the light flavours, which are contained in the proton particle group.

void	colourBasisDim (size_t d)
	Set the dimensionality of the colour basis for this process.

void	nDimPhasespace (int d)
	Set the number of degrees of freedom required by the phase space generator.

void	nDimAmplitude (int d)
	Set the number of degrees of freedom required by the amplitude.

void	nDimInsertions (int d)
	Set the number of degrees of freedom required by the insertion operators.

vector< double > &	amplitudeRandomNumbers ()
	Access the additional random numbers required by the amplitude.

vector< double > &	insertionRandomNumbers ()
	Access the additional random numbers required by the insertion operator.

map< int, double > &	diagramWeights ()
	Access the diagram weights indexed by diagram id.

set< pair< size_t, size_t > > &	singularLimits ()
	Access the singular limits.

set< pair< size_t, size_t > >::const_iterator &	lastSingularLimit ()
	Access the last matched singular limit.

void	hwStandardModel (Ptr< StandardModel >::tcptr sm)
	Set the Herwig StandardModel object.

void	symmetryFactor (double f) const
	Set the symmetry factor.

void	olpId (int pType, int id)
	Set the OLP process id.

void	lastMatchboxXComb (tStdXCombPtr xc)
	Set the XComb pointer cast to MatchboxXComb.

Static Protected Member Functions inherited from ThePEG::Interfaced
static void	registerRepository (IBPtr)

static void	registerRepository (IBPtr, string newName)

Protected Attributes inherited from ThePEG::LastXCombInfo< StandardXComb >
XCPtr	theLastXComb

Protected Attributes inherited from Herwig::LastMatchboxXCombInfo
MatchboxXCombData *	theLastMatchboxXComb
	The XComb pointer cast to MatchboxXComb.

MatchboxXCombData *	theLastHeadMatchboxXComb
	The head XComb pointer cast to MatchboxXComb.

Detailed Description

IFMggxDipole implements the D^{g,g}_k subtraction dipole.

Author: Simon Platzer

Definition at line 28 of file IFMggxDipole.h.

Member Function Documentation

◆ canHandle()

virtual bool Herwig::IFMggxDipole::canHandle	(	const cPDVector &	partons,
		int	emitter,
		int	emission,
		int	spectator
	)		const

virtual

Return true, if this dipole applies to the selected configuration.

Implements Herwig::SubtractionDipole.

◆ canHandleEmitter()

virtual bool Herwig::IFMggxDipole::canHandleEmitter	(	const cPDVector &	partons,
		int	emitter
	)		const

inlinevirtual

Return true, if this dipole can possibly handle the indicated emitter.

Implements Herwig::SubtractionDipole.

Definition at line 43 of file IFMggxDipole.h.

References Herwig::SubtractionDipole::emitter(), and ThePEG::ParticleID::g.

Referenced by canHandleSplitting().

◆ canHandleSpectator()

virtual bool Herwig::IFMggxDipole::canHandleSpectator	(	const cPDVector &	partons,
		int	spectator
	)		const

inlinevirtual

Return true, if this dipole can possibly handle the indicated spectator.

Implements Herwig::SubtractionDipole.

Definition at line 59 of file IFMggxDipole.h.

References Herwig::SubtractionDipole::spectator().

◆ canHandleSplitting()

virtual bool Herwig::IFMggxDipole::canHandleSplitting	(	const cPDVector &	partons,
		int	emitter,
		int	emission
	)		const

inlinevirtual

Return true, if this dipole can possibly handle the indicated splitting.

Implements Herwig::SubtractionDipole.

Definition at line 51 of file IFMggxDipole.h.

References canHandleEmitter(), Herwig::SubtractionDipole::emission(), Herwig::SubtractionDipole::emitter(), and ThePEG::ParticleID::g.

◆ clone()

virtual IBPtr Herwig::IFMggxDipole::clone ( ) const

protectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ fullclone()

virtual IBPtr Herwig::IFMggxDipole::fullclone ( ) const

protectedvirtual

Make a clone of this object, possibly modifying the cloned object to make it sane.

Returns: a pointer to the new object.

Reimplemented from ThePEG::InterfacedBase.

◆ Init()

static void Herwig::IFMggxDipole::Init ( )

static

The standard Init function used to initialize the interfaces.

Called exactly once for each class by the class description system before the main function starts or when this class is dynamically loaded.

◆ me2()

virtual double Herwig::IFMggxDipole::me2 ( ) const

virtual

Return the matrix element for the kinematical configuation previously provided by the last call to setKinematics(), suitably scaled by sHat() to give a dimension-less number.

Implements ThePEG::MEBase.

◆ me2Avg()

virtual double Herwig::IFMggxDipole::me2Avg ( double ccme2 ) const

virtual

Return the matrix element averaged over spin correlations.

Implements Herwig::SubtractionDipole.

◆ operator=()

IFMggxDipole & Herwig::IFMggxDipole::operator= ( const IFMggxDipole & )

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ persistentInput()

void Herwig::IFMggxDipole::persistentInput	(	PersistentIStream &	is,
		int	version
	)

Function used to read in object persistently.

Parameters

is	the persistent input stream read from.
version	the version number of the object when written.

◆ persistentOutput()

void Herwig::IFMggxDipole::persistentOutput ( PersistentOStream & os ) const

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ samplingZ()

virtual int Herwig::IFMggxDipole::samplingZ ( ) const

inlinevirtual

How to sample the z-distribution.

FlatZ = 1 OneOverZ = 2 OneOverOneMinusZ = 3 OneOverZOneMinusZ = 4

Reimplemented from Herwig::SubtractionDipole.

Definition at line 78 of file IFMggxDipole.h.

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

IFMggxDipole.h

Public Member Functions

Functions used by the persistent I/O system.

Clone Methods.

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ canHandle()

◆ canHandleEmitter()

◆ canHandleSpectator()

◆ canHandleSplitting()

◆ clone()

◆ fullclone()

◆ Init()

◆ me2()

◆ me2Avg()

◆ operator=()

◆ persistentInput()

◆ persistentOutput()

◆ samplingZ()