#include <MatchboxAmplitudeggttbar.h>

Inheritance diagram for Herwig::MatchboxAmplitudeggttbar:

[legend]

Public Member Functions
	MatchboxAmplitudeggttbar ()
	The default constructor.

virtual bool	canHandle (const PDVector &) const
	Return true, if this amplitude can handle the given process.

virtual unsigned int	orderInGs () const
	Return the (tree-level) order in \(g_S\) in which this matrix element is given.

virtual unsigned int	orderInGem () const
	Return the (tree-level) order in \(g_{EM}\) in which this matrix element is given.

virtual bool	noCorrelations () const
	Return true, if this amplitude will not require colour correlations.

virtual bool	haveOneLoop () const
	Return true, if this amplitude is capable of calculating one-loop (QCD) corrections.

virtual void	prepareAmplitudes (Ptr< MatchboxMEBase >::tcptr)
	Calculate the tree level amplitudes for the phasespace point stored in lastXComb.

virtual Complex	evaluate (size_t, const vector< int > &, Complex &)
	Evaluate the amplitude for the given colour tensor id and helicity assignment.

virtual Energy2	mu2 () const
	Return the value of the dimensional regularization parameter.

virtual void	flushCaches ()
	Flush all cashes.

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

virtual Complex	value (const tcPDVector &particles, const vector< Lorentz5Momentum > &momenta, const vector< int > &helicities)
	Return the amplitude.

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

virtual bool	canHandle (const PDVector &p, Ptr< MatchboxFactory >::tptr, bool) const
	Return true, if this amplitude can handle the given process.

virtual bool	canHandle (const PDVector &) const
	Return true, if this amplitude can handle the given process.

virtual int	nDimAdditional () const
	Return the number of random numbers required to evaluate this amplitude at a fixed phase space point.

virtual Ptr< MatchboxMEBase >::ptr	makeME (const PDVector &) const
	Return a ME instance appropriate for this amplitude and the given subprocesses.

virtual void	orderInGs (unsigned int)
	Set the (tree-level) order in \(g_S\) in which this matrix element should be evaluated.

virtual void	orderInGem (unsigned int)
	Set the (tree-level) order in \(g_{EM}\) in which this matrix element should be evaluated.

Ptr< StandardModel >::tcptr	standardModel ()
	Return the Herwig StandardModel object.

virtual bool	hasInitialAverage () const
	Return true, if this amplitude already includes averaging over incoming parton's quantum numbers.

virtual bool	hasFinalStateSymmetry () const
	Return true, if this amplitude already includes symmetry factors for identical outgoing particles.

virtual bool	isOLPTree () const
	Return true, if this amplitude is handled by a BLHA one-loop provider.

virtual bool	isOLPLoop () const
	Return true, if this amplitude is handled by a BLHA one-loop provider.

virtual bool	needsOLPCorrelators () const
	Return true, if colour and spin correlated matrix elements should be ordered from the OLP.

virtual void	olpOrderFileHeader (ostream &) const
	Write the order file header.

virtual void	olpOrderFileProcesses (ostream &, const map< pair< Process, int >, int > &procs) const
	Write the order file process list.

virtual void	signOLP (const string &, const string &)
	Start the one loop provider, if appropriate, giving order and contract files.

virtual void	startOLP (const string &, int &status)
	Start the one loop provider, if appropriate.

virtual bool	startOLP (const map< pair< Process, int >, int > &procs)
	Start the one loop provider, if appropriate.

virtual bool	isExternal () const
	Return true, if this amplitude needs to initialize an external code.

virtual bool	initializeExternal ()
	Initialize this amplitude.

virtual int	externalId (const cPDVector &)
	Return a generic process id for the given process.

const map< long, Energy > &	reshuffleMasses () const
	Return the map with masses to be used for amplitude evaluation.

void	checkReshuffling (Ptr< MatchboxPhasespace >::tptr)
	Check if reshuffling is needed at all.

virtual bool	hasAmplitudeMomenta () const
	Return true, if this amplitude makes use of amplitudeMomenta.

virtual Ptr< ColourBasis >::tptr	colourBasis () const
	Return the colour basis.

virtual bool	haveColourFlows () const
	Return true, if the colour basis is capable of assigning colour flows.

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

const string &	colourOrderingString (size_t id) const
	Return an ordering identifier for the current subprocess and colour absis tensor index.

const set< vector< size_t > > &	colourOrdering (size_t id) const
	Return an ordering identifier for the current subprocess and colour absis tensor index.

virtual void	setXComb (tStdXCombPtr xc)
	Set the xcomb object.

Lorentz5Momentum	amplitudeMomentum (int) const
	Return the momentum as crossed appropriate for this amplitude.

virtual void	fillCrossingMap (size_t shift=0)
	Perform a normal ordering of external legs and fill the crossing information as.

virtual set< vector< int > >	generateHelicities () const
	Generate the helicity combinations.

virtual vector< unsigned int >	physicalHelicities (const vector< int > &) const
	Return the helicity combination of the physical process in the conventions used by the spin correlation algorithm.

virtual double	me2 () const
	Return the matrix element squared.

double	colourCharge (tcPDPtr) const
	Return the colour charge of a given leg.

double	largeNColourCharge (tcPDPtr) const
	Return the large-N charge of a given leg.

virtual double	largeNME2 (Ptr< ColourBasis >::tptr largeNBasis) const
	Return the largeN matrix element squared.

virtual double	colourCorrelatedME2 (pair< int, int > ij) const
	Return the colour correlated matrix element.

virtual double	largeNColourCorrelatedME2 (pair< int, int > ij, Ptr< ColourBasis >::tptr largeNBasis) const
	Return the large-N colour correlated matrix element.

bool	trivialColourLegs () const
	Return true if trivial colour configuration.

virtual bool	canFillRhoMatrix () const
	Return true, if this amplitude is capable of consistently filling the rho matrices for the spin correllations.

virtual LorentzVector< Complex >	plusPolarization (const Lorentz5Momentum &p, const Lorentz5Momentum &n, int id=-1) const
	Return a positive helicity polarization vector for a gluon of momentum p (with reference vector n) to be used when evaluating spin correlations.

virtual double	spinColourCorrelatedME2 (pair< int, int > emitterSpectator, const SpinCorrelationTensor &c) const
	Return the colour and spin correlated matrix element.

virtual double	spinCorrelatedME2 (pair< int, int > emitterSpectator, const SpinCorrelationTensor &c) const
	Return the spin correlated matrix element.

virtual bool	treeAmplitudes () const
	Return true, if tree-level contributions will be evaluated at amplitude level.

virtual Ptr< MatchboxAmplitude >::tptr	oneLoopAmplitude () const
	Return the one-loop amplitude, if applicable.

virtual void	disableOneLoop ()
	Diasble one-loop functionality if not needed.

virtual bool	onlyOneLoop () const
	Return true, if this amplitude only provides one-loop (QCD) corrections.

virtual bool	oneLoopAmplitudes () const
	Return true, if one-loop contributions will be evaluated at amplitude level.

virtual bool	isDR () const
	Return true, if one loop corrections have been calculated in dimensional reduction.

virtual bool	isDRbar () const
	Return true, if the amplitude is DRbar renormalized, otherwise MSbar is assumed.

virtual bool	isCS () const
	Return true, if one loop corrections are given in the conventions of the integrated dipoles.

virtual bool	isBDK () const
	Return true, if one loop corrections are given in the conventions of BDK.

virtual bool	isExpanded () const
	Return true, if one loop corrections are given in the conventions of everything expanded.

virtual bool	hasRunningAlphaS () const
	Indicate that this amplitude is running alphas by itself.

virtual bool	hasRunningAlphaEW () const
	Indicate that this amplitude is running alphaew by itself.

virtual double	oneLoopDoublePole () const
	If defined, return the coefficient of the pole in epsilon^2.

virtual double	oneLoopSinglePole () const
	If defined, return the coefficient of the pole in epsilon.

virtual void	prepareOneLoopAmplitudes (Ptr< MatchboxMEBase >::tcptr)
	Calculate the one-loop amplitudes for the phasespace point stored in lastXComb, if provided.

virtual double	oneLoopInterference () const
	Return the one-loop/tree interference.

virtual Complex	evaluateOneLoop (size_t, const vector< int > &)
	Evaluate the amplitude for the given colour tensor id and helicity assignment.

Ptr< MatchboxAmplitude >::ptr	cloneMe () const
	Clone this amplitude.

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

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::Amplitude
Amplitude &	operator= (const Amplitude &)=delete

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.

Public Member Functions inherited from Herwig::MatchboxCurrents
Ptr< StandardCKM >::tcptr	standardCKM (const StandardModelBase &SM)
	Return the Herwig StandardCKM object.

template<size_t slot>
pair< size_t, size_t >	hash (const int ct, const int tl, const int p1, const int h1, const int p2, const int h2, const int p3=-1, const int h3=-2, const int p4=-1, const int h4=-2) const
	Generate a hash value for the current; second member of the pair reserved for combinations.

void	setupLeptons (const int l, const Lorentz5Momentum &pl, const int lbar, const Lorentz5Momentum &plbar)
	Setup the lepton reference momenta.

void	setupQuarks (const int q, const Lorentz5Momentum &pq, const int qbar, const Lorentz5Momentum &pqbar)
	Setup the quark reference momenta.

const LorentzVector< Complex > &	llbarLeftCurrent (const int l, const int lHel, const int lbar, const int lbarHel)
	Tree level left-handed llbar current.

const LorentzVector< Complex > &	llbarRightCurrent (const int l, const int lHel, const int lbar, const int lbarHel)
	Tree level right-handed llbar current.

const LorentzVector< Complex > &	qqbarLeftCurrent (const int q, const int qHel, const int qbar, const int qbarHel)
	Tree level left-handed qqbar current.

const LorentzVector< Complex > &	qqbarRightCurrent (const int q, const int qHel, const int qbar, const int qbarHel)
	Tree level right-handed qqbar current.

const LorentzVector< Complex > &	qqbargLeftCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g, const int gHel)
	Tree level left-handed qqbarg current.

const LorentzVector< Complex > &	qqbargRightCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g, const int gHel)
	Tree level right-handed qqbarg current.

const LorentzVector< Complex > &	qqbarggLeftCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g1, const int g1Hel, const int g2, const int g2Hel)
	Tree level left-handed qqbargg current.

const LorentzVector< Complex > &	qqbarggRightCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g1, const int g1Hel, const int g2, const int g2Hel)
	Tree level right-handed qqbargg current.

const LorentzVector< Complex > &	qqbarqqbarLeftCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int k, const int kHel, const int kbar, const int kbarHel)
	Tree level left-handed qqbarkkbar current.

const LorentzVector< Complex > &	qqbarqqbarRightCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int k, const int kHel, const int kbar, const int kbarHel)
	Tree level right-handed qqbarkkbar current.

const LorentzVector< Complex > &	qqbarLeftOneLoopCurrent (const int q, const int qHel, const int qbar, const int qbarHel)
	One-loop left-handed qqbar current.

const LorentzVector< Complex > &	qqbarRightOneLoopCurrent (const int q, const int qHel, const int qbar, const int qbarHel)
	One-loop right-handed qqbar current.

const LorentzVector< Complex > &	qqbargLeftOneLoopCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g, const int gHel)
	One-loop left-handed qqbarg current.

const LorentzVector< Complex > &	qqbargRightOneLoopCurrent (const int q, const int qHel, const int qbar, const int qbarHel, const int g, const int gHel)
	One-loop right-handed qqbarg current.

Public Member Functions inherited from Herwig::SpinorHelicity::AmplitudeCache< pair< size_t, size_t > >
	AmplitudeCache ()
	Constructor.

void	nPoints (int n)
	Prepare for n-point amplitude.

int	nPoints () const
	Return the number of points.

void	amplitudeScale (Energy s) const
	Set the energy scale to obtain dimensionless quantities and flag all quantities to be recalculated.

Energy	amplitudeScale () const
	Get the energy scale to obtain dimensionless quantities and flag all quantities to be recalculated.

void	momentum (int k, const LorentzMomentum &p, bool getSpinors=true, Energy mass=ZERO) const
	Set the momentum for the k'th parton and its associated mass.

LorentzVector< double >	momentum (int k) const
	Return the momentum for the k'th parton.

void	reset () const
	Reset flags.

double	mass (int k) const
	Return the mass associated to the k'th parton.

int	crossingSign (int i) const
	Return the crossing sign for the i'th parton.

double	crossingSign (int i, int j) const
	Return the crossing sign for the i'th and j'th parton.

double	invariant (int i, int j) const
	Return (ij)

Complex	plusProduct (int i, int j) const
	Return <ij>

Complex	minusProduct (int i, int j) const
	Return [ij].

LorentzVector< Complex >	plusCurrent (int i, int j) const
	Return <i\|\gamma^\mu\|j].

LorentzVector< Complex >	minusCurrent (int i, int j) const
	Return [i\|\gamma^\mu\|j>

bool	getAmplitude (const pair< size_t, size_t > &key) const
	Return true, if the given amplitude needs to be recalculated.

void	cacheAmplitude (Complex amp) const
	Cache an amplitude.

const Complex &	cachedAmplitude () const
	Return a cached amplitude.

bool	getCurrent (const pair< size_t, size_t > &key) const
	Return true, if the given current needs to be recalculated.

void	cacheCurrent (const LorentzVector< Complex > &curr) const
	Cache an current.

const LorentzVector< Complex > &	cachedCurrent () const
	Return a cached current.

Protected Member Functions
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.

Protected Member Functions inherited from Herwig::MatchboxAmplitude
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.

Standard Interfaced functions.
double	mom0 [4]
	Containers for external particle momenta.

double	mom1 [4]

double	mom2 [4]

double	mom3 [4]

map< string, double >	MGParams_
	Stores parameters needed in MG_process.

virtual void	doinit ()
	Initialize this object after the setup phase before saving an EventGenerator to disk.

virtual void	doinitrun ()
	Initialize this object.

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

void	setupParams (map< string, double > &MGParams)
	Fill MGParams_ with Herwig values of parameters.

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.

Additional Inherited Members
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::MatchboxAmplitude
static void	Init ()
	The standard Init function used to initialize the interfaces.

Static Public Member Functions inherited from ThePEG::Amplitude
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

Public Attributes inherited from Herwig::MatchboxCurrents
Ptr< StandardCKM >::tcptr	theStandardCKM
	The Herwig StandardCKM object.

Energy	MZ
	The Z mass.

Energy	GZ
	The Z width.

Energy	MW
	The W mass.

Energy	GW
	The W width.

double	CA
	CA.

double	CF
	CF.

Static Public Attributes inherited from ThePEG::Amplitude
static AbstractNoPIOClassDescription< Amplitude >	initAmplitude

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

MatchboxAmplitudeggttbar.

Author: Alix Wilcock

Definition at line 30 of file MatchboxAmplitudeggttbar.h.

Member Function Documentation

◆ clone()

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

protectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ doinit()

virtual void Herwig::MatchboxAmplitudeggttbar::doinit ( )

protectedvirtual

Initialize this object after the setup phase before saving an EventGenerator to disk.

Exceptions

InitException if object could not be initialized properly.

Reimplemented from Herwig::MatchboxAmplitude.

◆ doinitrun()

virtual void Herwig::MatchboxAmplitudeggttbar::doinitrun ( )

protectedvirtual

Initialize this object.

Called in the run phase just before a run begins.

Reimplemented from Herwig::MatchboxAmplitude.

◆ evaluate()

virtual Complex Herwig::MatchboxAmplitudeggttbar::evaluate	(	size_t	,
		const vector< int > &	,
		Complex &
	)

virtual

Evaluate the amplitude for the given colour tensor id and helicity assignment.

Reimplemented from Herwig::MatchboxAmplitude.

◆ flushCaches()

virtual void Herwig::MatchboxAmplitudeggttbar::flushCaches ( )

inlinevirtual

Flush all cashes.

Reimplemented from Herwig::MatchboxAmplitude.

Definition at line 92 of file MatchboxAmplitudeggttbar.h.

References Herwig::MatchboxAmplitude::flushCaches(), and Herwig::SpinorHelicity::AmplitudeCache< pair< size_t, size_t > >::reset().

◆ fullclone()

virtual IBPtr Herwig::MatchboxAmplitudeggttbar::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.

◆ haveOneLoop()

virtual bool Herwig::MatchboxAmplitudeggttbar::haveOneLoop ( ) const

inlinevirtual

Return true, if this amplitude is capable of calculating one-loop (QCD) corrections.

Reimplemented from Herwig::MatchboxAmplitude.

Definition at line 68 of file MatchboxAmplitudeggttbar.h.

◆ Init()

static void Herwig::MatchboxAmplitudeggttbar::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.

◆ mu2()

virtual Energy2 Herwig::MatchboxAmplitudeggttbar::mu2 ( ) const

inlinevirtual

Return the value of the dimensional regularization parameter.

Note that renormalization scale dependence is fully restored in DipoleIOperator.

Reimplemented from Herwig::MatchboxAmplitude.

Definition at line 87 of file MatchboxAmplitudeggttbar.h.

References ThePEG::LastXCombInfo< StandardXComb >::lastSHat().

◆ noCorrelations()

virtual bool Herwig::MatchboxAmplitudeggttbar::noCorrelations ( ) const

inlinevirtual

Return true, if this amplitude will not require colour correlations.

Definition at line 62 of file MatchboxAmplitudeggttbar.h.

◆ operator=()

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

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ orderInGem()

virtual unsigned int Herwig::MatchboxAmplitudeggttbar::orderInGem ( ) const

inlinevirtual

Return the (tree-level) order in \(g_{EM}\) in which this matrix element is given.

Implements Herwig::MatchboxAmplitude.

Definition at line 57 of file MatchboxAmplitudeggttbar.h.

◆ orderInGs()

virtual unsigned int Herwig::MatchboxAmplitudeggttbar::orderInGs ( ) const

inlinevirtual

Return the (tree-level) order in \(g_S\) in which this matrix element is given.

Implements Herwig::MatchboxAmplitude.

Definition at line 51 of file MatchboxAmplitudeggttbar.h.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ prepareAmplitudes()

virtual void Herwig::MatchboxAmplitudeggttbar::prepareAmplitudes ( Ptr< MatchboxMEBase >::tcptr )

virtual

Calculate the tree level amplitudes for the phasespace point stored in lastXComb.

Reimplemented from Herwig::MatchboxAmplitude.

Member Data Documentation

◆ MGParams_

map<string,double> Herwig::MatchboxAmplitudeggttbar::MGParams_

private

Stores parameters needed in MG_process.

Definition at line 187 of file MatchboxAmplitudeggttbar.h.

◆ mom0

double Herwig::MatchboxAmplitudeggttbar::mom0[4]

private

Containers for external particle momenta.

Definition at line 174 of file MatchboxAmplitudeggttbar.h.

◆ mom1

double Herwig::MatchboxAmplitudeggttbar::mom1[4]

private

Definition at line 175 of file MatchboxAmplitudeggttbar.h.

◆ mom2

double Herwig::MatchboxAmplitudeggttbar::mom2[4]

private

Definition at line 176 of file MatchboxAmplitudeggttbar.h.

◆ mom3

double Herwig::MatchboxAmplitudeggttbar::mom3[4]

private

Definition at line 177 of file MatchboxAmplitudeggttbar.h.

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

MatchboxAmplitudeggttbar.h

Public Member Functions

Protected Member Functions

Standard Interfaced functions.

Functions used by the persistent I/O system.

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ clone()

◆ doinit()

◆ doinitrun()

◆ evaluate()

◆ flushCaches()

◆ fullclone()

◆ haveOneLoop()

◆ Init()

◆ mu2()

◆ noCorrelations()

◆ operator=()

◆ orderInGem()

◆ orderInGs()

◆ persistentInput()

◆ persistentOutput()

◆ prepareAmplitudes()

Member Data Documentation

◆ MGParams_

◆ mom0

◆ mom1

◆ mom2

◆ mom3