This SVVDecayer class implements the decay of a scalar to 2 vector bosons using either the tree level VVSVertex or the loop vertex. More...

#include <SVVDecayer.h>

Inheritance diagram for Herwig::SVVDecayer:

[legend]

Public Member Functions
	SVVDecayer ()
	The default constructor.

Virtual functions required by the Decayer class.
double	me2 (const int ichan, const Particle &part, const tPDVector &outgoing, const vector< Lorentz5Momentum > &momenta, MEOption meopt) const
	Return the matrix element squared for a given mode and phase-space channel.

virtual void	constructSpinInfo (const Particle &part, ParticleVector outgoing) const
	Construct the SpinInfos for the particles produced in the decay.

virtual Energy	partialWidth (PMPair inpart, PMPair outa, PMPair outb) const
	Function to return partial Width.

virtual void	setDecayInfo (PDPtr incoming, PDPair outgoing, vector< VertexBasePtr >, map< ShowerInteraction, VertexBasePtr > &, const vector< map< ShowerInteraction, VertexBasePtr > > &, map< ShowerInteraction, VertexBasePtr >)
	Set the information on the decay.

virtual POWHEGType	hasPOWHEGCorrection ()
	Has a POWHEG style correction.

virtual double	threeBodyME (const int, const Particle &inpart, const ParticleVector &decay, ShowerInteraction inter, MEOption meopt)
	Three-body matrix element including additional QCD radiation.

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

virtual ParticleVector	decay (const Particle &parent, const tPDVector &children) const
	For a given decay mode and a given particle instance, perform the decay and return the decay products.

virtual int	modeNumber (bool &cc, tcPDPtr parent, const tPDVector &children) const
	Which of the possible decays is required.

virtual bool	twoBodyMEcode (const DecayMode &dm, int &mecode, double &coupling) const
	Specify the \(1\to2\) matrix element to be used in the running width calculation.

virtual double	brat (const DecayMode &dm, const Particle &p, double oldbrat) const
	An overidden member to calculate a branching ratio for a certain particle instance.

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 Herwig::PerturbativeDecayer
	PerturbativeDecayer ()
	The default constructor.

virtual POWHEGType	hasPOWHEGCorrection ()
	Has a POWHEG style correction.

virtual RealEmissionProcessPtr	generateHardest (RealEmissionProcessPtr)
	Member to generate the hardest emission in the POWHEG scheme.

virtual RealEmissionProcessPtr	applyHardMatrixElementCorrection (RealEmissionProcessPtr)
	Apply the hard matrix element correction to a given hard process or decay.

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 Herwig::DecayIntegrator
	DecayIntegrator ()
	The default constructor.

virtual bool	accept (tcPDPtr parent, const tPDVector &children) const
	Check if this decayer can perfom the decay for a particular mode.

virtual ParticleVector	decay (const Particle &parent, const tPDVector &children) const
	For a given decay mode and a given particle instance, perform the decay and return the decay products.

virtual int	modeNumber (bool &cc, tcPDPtr parent, const tPDVector &children) const =0
	Which of the possible decays is required.

int	imode () const
	The mode being used for this decay.

void	addMode (PhaseSpaceModePtr mode) const
	Add a phase-space mode to the list.

virtual double	me2 (const int ichan, const Particle &part, const tPDVector &outgoing, const vector< Lorentz5Momentum > &momenta, MEOption meopt) const =0
	Return the matrix element squared for a given mode and phase-space channel.

virtual void	constructSpinInfo (const Particle &part, ParticleVector outgoing) const =0
	Construct the SpinInfos for the particles produced in the decay.

virtual void	dataBaseOutput (ofstream &os, bool header) const
	Output the setup information for the particle database.

void	setPartialWidth (const DecayMode &dm, int imode)
	Set the code for the partial width.

virtual bool	twoBodyMEcode (const DecayMode &, int &mecode, double &coupling) const
	Specify the \(1\to2\) matrix element to be used in the running width calculation.

virtual WidthCalculatorBasePtr	threeBodyMEIntegrator (const DecayMode &dm) const
	Method to return an object to calculate the 3 (or higher body) partial width.

virtual double	threeBodyMatrixElement (const int imode, const Energy2 q2, const Energy2 s3, const Energy2 s2, const Energy2 s1, const Energy m1, const Energy m2, const Energy m3) const
	The matrix element to be integrated for the three-body decays as a function of the invariant masses of pairs of the outgoing particles.

virtual InvEnergy	threeBodydGammads (const int imode, const Energy2 q2, const Energy2 s, const Energy m1, const Energy m2, const Energy m3) const
	The differential three body decay rate with one integral performed.

int	findMode (const DecayMode &dm)
	Finds the phase-space mode corresponding to a given decay mode.

ParticleVector	generatePhotons (const Particle &p, ParticleVector children)
	Members for the generation of QED radiation in the decays.

bool	canGeneratePhotons ()
	check if photons can be generated in the decay

virtual double	oneLoopVirtualME (unsigned int imode, const Particle &part, const ParticleVector &products)
	The one-loop virtual correction.

bool	hasOneLoopME ()
	Whether or not the one loop matrix element is implemented.

virtual InvEnergy2	realEmissionME (unsigned int imode, const Particle &part, ParticleVector &products, unsigned int iemitter, double ctheta, double stheta, const LorentzRotation &rot1, const LorentzRotation &rot2)
	The real emission matrix element.

bool	hasRealEmissionME ()
	Whether or not the real emission matrix element is implemented.

bool	warnings () const

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 Herwig::HwDecayerBase
	HwDecayerBase ()
	The default constructor.

virtual bool	accept (const DecayMode &dm) const
	Check if this decayer can perfom the decay specified by the given decay mode.

virtual ParticleVector	decay (const DecayMode &dm, const Particle &p) const
	Perform a decay for a given DecayMode and a given Particle instance.

virtual bool	hasMECorrection ()
	Has an old fashioned ME correction.

virtual void	initializeMECorrection (RealEmissionProcessPtr, double &, double &)
	Initialize the ME correction.

virtual bool	softMatrixElementVeto (PPtr parent, PPtr progenitor, const bool &fs, const Energy &highestpT, const vector< tcPDPtr > &ids, const double &z, const Energy &scale, const Energy &pT)
	Apply the soft matrix element correction.

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.

bool	initialize () const
	Access to the initialize variable.

bool	databaseOutput () const
	Access the database output variable.

Public Member Functions inherited from ThePEG::Decayer
void	persistentOutput (PersistentOStream &os) const

void	persistentInput (PersistentIStream &is, int version)

virtual bool	accept (const DecayMode &dm) const=0

virtual bool	needsFullStep () const

virtual ParticleVector	decay (const DecayMode &dm, const Particle &p) const=0

virtual ParticleVector	decay (const DecayMode &dm, const Particle &p, Step &step) const

virtual double	brat (const DecayMode &dm, const ParticleData &pd, double oldbrat) const

virtual double	brat (const DecayMode &dm, const Particle &p, double oldbrat) const

virtual ParticleVector	getChildren (const DecayMode &dm, const Particle &parent) const

virtual void	finalBoost (const Particle &parent, const ParticleVector &children) const

virtual void	setScales (const Particle &parent, const ParticleVector &children) const

Ptr< Amplitude >::pointer	amplitude () const

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

Clone Methods.
vector< AbstractVVSVertexPtr >	vertex_
	Abstract pointer to general VVS vertex.

vector< VVSVertexPtr >	perturbativeVertex_
	Pointer to the perturbative form.

map< ShowerInteraction, AbstractVSSVertexPtr >	incomingVertex_
	Abstract pointer to AbstractVSSVertex for QCD radiation from incoming scalar.

map< ShowerInteraction, AbstractVVVVertexPtr >	outgoingVertex1_
	Abstract pointer to AbstractFFVVertex for QCD radiation from the 1st outgoing vector.

map< ShowerInteraction, AbstractVVVVertexPtr >	outgoingVertex2_
	Abstract pointer to AbstractFFVVertex for QCD radiation from the 2nd outgoing vector.

RhoDMatrix	rho_
	Spin density matrix.

Helicity::ScalarWaveFunction	swave_
	Scalar wavefunction.

vector< Helicity::VectorWaveFunction >	vectors_ [2]
	Vector wavefunctions.

RhoDMatrix	rho3_
	Member for the POWHEG correction.

ScalarWaveFunction	swave3_
	Scalar wavefunction for 3 body decay.

vector< Helicity::VectorWaveFunction >	vectors3_ [2]
	Vector wavefunctions.

vector< Helicity::VectorWaveFunction >	gluon_
	Vector wavefunction for 3 body decay.

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.

void	identifyVertices (const Particle &inpart, const ParticleVector &decay, AbstractVVVVertexPtr &outgoingVertex1, AbstractVVVVertexPtr &outgoingVertex2, ShowerInteraction inter)
	Find the vertices for the decay.

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

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 Herwig::GeneralTwoBodyDecayer
typedef pair< tcPDPtr, Energy >	PMPair
	A ParticleData ptr and (possible) mass pair.

Public Types inherited from Herwig::DecayIntegrator
enum	MEOption { Initialize , Calculate , Terminate }
	Enum for the matrix element option. More...

Public Types inherited from Herwig::HwDecayerBase
enum	POWHEGType { No , ISR , FSR , Both }
	Virtual members to be overridden by inheriting classes which implement hard corrections. More...

Public Types inherited from ThePEG::InterfacedBase
enum	InitState

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

Static Public Member Functions inherited from Herwig::GeneralTwoBodyDecayer
static void	Init ()
	The standard Init function used to initialize the interfaces.

Static Public Member Functions inherited from Herwig::PerturbativeDecayer
static void	Init ()
	The standard Init function used to initialize the interfaces.

Static Public Member Functions inherited from Herwig::DecayIntegrator
static void	Init ()
	The standard Init function used to initialize the interfaces.

Static Public Member Functions inherited from Herwig::HwDecayerBase
static void	Init ()
	The standard Init function used to initialize the interfaces.

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

static ParticleVector	DecayParticle (tPPtr parent, Step &step, long maxtry=1000)

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 Types inherited from Herwig::GeneralTwoBodyDecayer
typedef vector< pair< int, double > >	CFlowPairVec
	Member for the generation of additional hard radiation.

typedef vector< CFlowPairVec >	CFlow

Protected Types inherited from Herwig::PerturbativeDecayer
enum	dipoleType { FFa , FFc , IFa , IFc , IFba , IFbc , FFg }
	Type of dipole. More...

enum	phaseSpaceRegion { emissionFromB , emissionFromC , emissionFromA1 , emissionFromA2 , deadZone }
	Phase-space region for an emission (assumes \(a\to b,c\). More...

Protected Member Functions inherited from Herwig::GeneralTwoBodyDecayer
void	setWeight (double wgt)
	Set integration weight.

void	colourConnections (const Particle &parent, const ParticleVector &out) const
	Set colour connections.

double	colourFactor (tcPDPtr in, tcPDPtr out1, tcPDPtr out2) const
	Compute the spin and colour factor.

double	matrixElementRatio (const Particle &inpart, const ParticleVector &decay2, const ParticleVector &decay3, MEOption meopt, ShowerInteraction inter)
	Calculate matrix element ratio R/B.

void	decayInfo (PDPtr incoming, PDPair outgoing)
	Set the information on the decay.

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

virtual void	doinitrun ()
	Initialize this object.

const vector< DVector > &	getColourFactors (const Particle &inpart, const ParticleVector &decay, unsigned int &nflow)

const CFlow &	colourFlows (const Particle &inpart, const ParticleVector &decay)

Protected Member Functions inherited from Herwig::PerturbativeDecayer
bool	identifyDipoles (vector< DipoleType > &dipoles, PPtr &aProgenitor, PPtr &bProgenitor, PPtr &cProgenitor, ShowerInteraction inter) const
	Work out the type of process.

ShowerAlphaPtr	alphaS ()
	Coupling for the generation of hard QCD radiation.

ShowerAlphaPtr	alphaEM ()
	Coupling for the generation of hard QED radiation.

vector< Lorentz5Momentum >	hardMomenta (PPtr in, PPtr emitter, PPtr spectator, const vector< DipoleType > &dipoles, int i, bool inDeadZone)
	Return the momenta including the hard emission.

bool	calcMomenta (int j, Energy pT, double y, double phi, double &xg, double &xs, double &xe, double &xe_z, vector< Lorentz5Momentum > &particleMomenta)
	Calculate momenta of all the particles.

bool	psCheck (const double xg, const double xs)
	Check the calculated momenta are physical.

pair< double, double >	calculateDipole (const DipoleType &dipoleId, const Particle &inpart, const ParticleVector &decay3)
	Return dipole corresponding to the DipoleType dipoleId.

double	dipoleSpinFactor (tcPDPtr emitter, double z)
	Return contribution to dipole that depends on the spin of the emitter.

double	colourCoeff (tcPDPtr emitter, tcPDPtr spectator, tcPDPtr other, DipoleType dipole)
	Return the colour coefficient of the dipole.

void	getColourLines (RealEmissionProcessPtr real)
	Set up the colour lines.

RealEmissionProcessPtr	getHardEvent (RealEmissionProcessPtr born, bool inDeadZone, ShowerInteraction inter)
	Generate a hard emission.

bool	inTotalDeadZone (double xg, double xs, const vector< DipoleType > &dipoles, int i)
	Is the \(x_g,x_s\) point in the dead-zone for all the dipoles.

phaseSpaceRegion	inInitialFinalDeadZone (double xg, double xa, double a, double c) const
	Is the \(x_g,x_a\) point in the dead-zone for an initial-final colour connection.

phaseSpaceRegion	inFinalFinalDeadZone (double xb, double xc, double b, double c) const
	Is the \(x_b,x_c\) point in the dead-zone for a final-final colour connection.

bool	useMEforT2 () const
	For me corrections use the shower or me for the T2 region.

const Energy &	pT () const
	Access to the kinematics for inheriting classes.

const Energy &	mb () const
	Mass of decaying particle.

const double &	e () const
	Reduced mass of emitter child particle.

const double &	s () const
	Reduced mass of spectator child particle.

const double &	e2 () const
	Reduced mass of emitter child particle squared.

const double &	s2 () const
	Reduced mass of spectator child particle squared.

Protected Member Functions inherited from Herwig::DecayIntegrator
ParticleVector	generate (bool inter, bool cc, const unsigned int &imode, const Particle &inpart) const
	Generate the momenta for the decay.

void	imode (int in)
	Set the mode being use for this decay.

void	ME (DecayMEPtr in) const
	Set the helicity matrix element for the decay.

DecayMEPtr	ME () const
	The helicity amplitude matrix element for spin correlations.

void	resetIntermediate (tcPDPtr part, Energy mass, Energy width)
	Reset the properities of all intermediates.

Energy	initializePhaseSpaceMode (unsigned int imode, bool init, bool onShell=false) const
	Initialize the phase-space mode.

void	generateIntermediates (bool in)
	Methods to set variables in inheriting classes.

bool	generateIntermediates () const
	Set whether or not the intermediates are included.

void	hasOneLoopME (bool in)
	Whether or not the one loop matrix element is implemented.

void	hasRealEmissionME (bool in)
	Whether or not the real emission matrix element is implemented.

void	epsilonPS (Energy in)
	Set the epsilon parameter.

void	clearModes ()
	Clear the models.

unsigned int	numberModes () const
	Number of decay modes.

tPhaseSpaceModePtr	mode (unsigned int ix)
	Pointer to a mode.

tcPhaseSpaceModePtr	mode (unsigned int ix) const
	Pointer to a mode.

Protected Member Functions inherited from Herwig::HwDecayerBase
virtual void	dofinish ()
	Finalize this object.

void	fixRho (RhoDMatrix &) const
	Set rho to be diagonal if no correlations.

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)

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

static void	registerRepository (IBPtr, string newName)

Detailed Description

This SVVDecayer class implements the decay of a scalar to 2 vector bosons using either the tree level VVSVertex or the loop vertex.

It inherits from GeneralTwoBodyDecayer and implements the virtual member functions me2() and partialWidth(). It also stores a pointer to the VVSVertex.

See also: GeneralTwoBodyDecayer

Definition at line 35 of file SVVDecayer.h.

Constructor & Destructor Documentation

◆ SVVDecayer()

Herwig::SVVDecayer::SVVDecayer ( )

inline

The default constructor.

Definition at line 42 of file SVVDecayer.h.

Member Function Documentation

◆ clone()

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

protectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ constructSpinInfo()

virtual void Herwig::SVVDecayer::constructSpinInfo	(	const Particle &	part,
		ParticleVector	outgoing
	)		const

virtual

Construct the SpinInfos for the particles produced in the decay.

Implements Herwig::DecayIntegrator.

◆ fullclone()

virtual IBPtr Herwig::SVVDecayer::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.

◆ hasPOWHEGCorrection()

virtual POWHEGType Herwig::SVVDecayer::hasPOWHEGCorrection ( )

inlinevirtual

Has a POWHEG style correction.

Reimplemented from Herwig::PerturbativeDecayer.

Definition at line 87 of file SVVDecayer.h.

References vertex_.

◆ Init()

static void Herwig::SVVDecayer::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()

double Herwig::SVVDecayer::me2	(	const int	ichan,
		const Particle &	part,
		const tPDVector &	outgoing,
		const vector< Lorentz5Momentum > &	momenta,
		MEOption	meopt
	)		const

virtual

Return the matrix element squared for a given mode and phase-space channel.

Parameters

ichan	The channel we are calculating the matrix element for.
part	The decaying Particle.
outgoing	The particles produced in the decay
momenta	The momenta of the particles produced in the decay
meopt	Option for the calculation of the matrix element

Returns: The matrix element squared for the phase-space configuration.

Implements Herwig::DecayIntegrator.

◆ operator=()

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

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ partialWidth()

virtual Energy Herwig::SVVDecayer::partialWidth	(	PMPair	inpart,
		PMPair	outa,
		PMPair	outb
	)		const

virtual

Function to return partial Width.

Parameters

inpart	The decaying particle.
outa	One of the decay products.
outb	The other decay product.

Reimplemented from Herwig::GeneralTwoBodyDecayer.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ setDecayInfo()

virtual void Herwig::SVVDecayer::setDecayInfo	(	PDPtr	incoming,
		PDPair	outgoing,
		vector< VertexBasePtr >	,
		map< ShowerInteraction, VertexBasePtr > &	,
		const vector< map< ShowerInteraction, VertexBasePtr > > &	,
		map< ShowerInteraction, VertexBasePtr >
	)

virtual

Set the information on the decay.

Implements Herwig::GeneralTwoBodyDecayer.

◆ threeBodyME()

virtual double Herwig::SVVDecayer::threeBodyME	(	const int	,
		const Particle &	inpart,
		const ParticleVector &	decay,
		ShowerInteraction	inter,
		MEOption	meopt
	)

virtual

Three-body matrix element including additional QCD radiation.

Reimplemented from Herwig::GeneralTwoBodyDecayer.

Member Data Documentation

◆ gluon_

vector<Helicity::VectorWaveFunction> Herwig::SVVDecayer::gluon_

mutableprivate

Vector wavefunction for 3 body decay.

Definition at line 233 of file SVVDecayer.h.

◆ incomingVertex_

map<ShowerInteraction,AbstractVSSVertexPtr> Herwig::SVVDecayer::incomingVertex_

private

Abstract pointer to AbstractVSSVertex for QCD radiation from incoming scalar.

Definition at line 182 of file SVVDecayer.h.

◆ outgoingVertex1_

map<ShowerInteraction,AbstractVVVVertexPtr> Herwig::SVVDecayer::outgoingVertex1_

private

Abstract pointer to AbstractFFVVertex for QCD radiation from the 1st outgoing vector.

Definition at line 187 of file SVVDecayer.h.

◆ outgoingVertex2_

map<ShowerInteraction,AbstractVVVVertexPtr> Herwig::SVVDecayer::outgoingVertex2_

private

Abstract pointer to AbstractFFVVertex for QCD radiation from the 2nd outgoing vector.

Definition at line 192 of file SVVDecayer.h.

◆ perturbativeVertex_

vector<VVSVertexPtr> Herwig::SVVDecayer::perturbativeVertex_

private

Pointer to the perturbative form.

Definition at line 177 of file SVVDecayer.h.

◆ rho3_

RhoDMatrix Herwig::SVVDecayer::rho3_

mutableprivate

Member for the POWHEG correction.

Spin density matrix for 3 body decay

Definition at line 218 of file SVVDecayer.h.

◆ rho_

RhoDMatrix Herwig::SVVDecayer::rho_

mutableprivate

Spin density matrix.

Definition at line 197 of file SVVDecayer.h.

◆ swave3_

ScalarWaveFunction Herwig::SVVDecayer::swave3_

mutableprivate

Scalar wavefunction for 3 body decay.

Definition at line 223 of file SVVDecayer.h.

◆ swave_

Helicity::ScalarWaveFunction Herwig::SVVDecayer::swave_

mutableprivate

Scalar wavefunction.

Definition at line 202 of file SVVDecayer.h.

◆ vectors3_

vector<Helicity::VectorWaveFunction> Herwig::SVVDecayer::vectors3_[2]

mutableprivate

Vector wavefunctions.

Definition at line 228 of file SVVDecayer.h.

◆ vectors_

vector<Helicity::VectorWaveFunction> Herwig::SVVDecayer::vectors_[2]

mutableprivate

Vector wavefunctions.

Definition at line 207 of file SVVDecayer.h.

◆ vertex_

vector<AbstractVVSVertexPtr> Herwig::SVVDecayer::vertex_

private

Abstract pointer to general VVS vertex.

Definition at line 172 of file SVVDecayer.h.

Referenced by hasPOWHEGCorrection().

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

SVVDecayer.h

Public Member Functions

Clone Methods.

Functions used by the persistent I/O system.

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SVVDecayer()

Member Function Documentation

◆ clone()

◆ constructSpinInfo()

◆ fullclone()

◆ hasPOWHEGCorrection()

◆ Init()

◆ me2()

◆ operator=()

◆ partialWidth()

◆ persistentInput()

◆ persistentOutput()

◆ setDecayInfo()

◆ threeBodyME()

Member Data Documentation

◆ gluon_

◆ incomingVertex_

◆ outgoingVertex1_

◆ outgoingVertex2_

◆ perturbativeVertex_

◆ rho3_

◆ rho_

◆ swave3_

◆ swave_

◆ vectors3_

◆ vectors_

◆ vertex_