The MEHiggsPair class implements the matrix elements for HiggsPairian \(2\to2\) scattering process. More...

#include <MEHiggsPair.h>

Inheritance diagram for Herwig::MEHiggsPair:

[legend]

Public Member Functions
	MEHiggsPair ()
	The default constructor.

Virtual functions required by the MEBase class.
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 \(\alpha_{EW}\) in which this matrix element is given.

virtual Energy2	scale () const
	Return the scale associated with the last set phase space point.

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

virtual bool	generateKinematics (const double *r)
	Generate internal degrees of freedom.

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

unsigned int	fixedalphaS () const

double	alphasfixedvalue () const

double	scalemultiplier () const
	Return multiplier for scale.

virtual Selector< DiagramIndex >	diagrams (const DiagramVector &dv) const
	Get diagram selector.

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

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

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

virtual POWHEGType	hasPOWHEGCorrection ()
	Has a POWHEG style correction.

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

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

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

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.

virtual RealEmissionProcessPtr	generateHardest (RealEmissionProcessPtr, ShowerInteraction)
	Apply the POWHEG style 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.

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

Protected Member Functions
Standard Interfaced functions.
virtual void	doinit ()
	Initialize this object after the setup phase before saving an EventGenerator to disk.

virtual void	rebind (const TranslationMap &trans)
	Rebind pointer to other Interfaced objects.

virtual IVector	getReferences ()
	Return a vector of all pointers to Interfaced objects used in this object.

PDPtr	higgs () const
	Access to the higgs data.

void	higgs (PDPtr in)
	Set the higgs data.

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::HwMEBase
Energy2	tHat () const
	Return the \(\hat{t}\) of the last set phase space point.

Energy2	uHat () const
	Return the \(\hat{u}\) of the last set phase space point.

double	phi () const
	Return the azimuth angle of the last set phase space point.

void	tHat (Energy2 e2)
	Set the \(\hat{t}\) of the last set phase space point.

void	uHat (Energy2 e2)
	Set the \(\hat{u}\) of the last set phase space point.

void	phi (double phi)
	Set the azimuth angle of the last set phase space point.

void	massOption (vector< unsigned int > iopt)
	Set the treatment of the outgoing masses.

void	rescalingOption (unsigned int iopt)
	Rescaled momenta for the helicity ME.

bool	rescaleMomenta (const vector< Lorentz5Momentum > &, const cPDVector &)
	rescale the momenta for the computation of the helicity matrix element

const vector< Lorentz5Momentum > &	rescaledMomenta () const
	Access to the rescaled momenta.

bool	generateMasses (vector< Energy > &masses, double &mjac, const double *r)
	Generate the masses of the particles.

virtual double	getCosTheta (double cthmin, double cthmax, const double r)
	Used internally by generateKinematics, after calculating the limits on cos(theta).

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)

Helper functions for me2.
static ClassDescription< MEHiggsPair >	initMEHiggsPair
	The static object used to initialize the description of this class.

PDPtr	_higgs
	The higgs boson.

Energy	_Wmass

Energy	_topmass

Energy	_bottommass

Energy	_zmass

Energy	_m1

Energy	_m2

Energy	_heavyHmass

Energy	_heavyHwidth

double	_yH

double	_yh

double	_ybH

double	_ybh

GenericMassGeneratorPtr	_hmass
	The mass generator for the Higgs.

double	_selfcoupling
	multiplier for the SM triple-coupling

double	_hhHcoupling
	multiplier for the hhH triple-coupling

unsigned int	_process
	Processes to include.

unsigned int	_fixedalphaS

Energy	_alphascale

double	_alphasfixedvalue

Energy	_basescale

double	_scalemultiplier

unsigned int	_fixedscale

Energy	_mh
	On-shell mass for the higgs.

Energy	_wh
	On-shell width for the higgs.

Energy	_mW
	On-shell mass for the W.

double	_cH

double	_c6

double	_cg1

double	_cg2

double	_ct1

double	_ct2

double	_cb1

double	_cb2

Energy	_EFTScale

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

virtual vector< Complex >	iniscal (double AMQ, double S, double T, double U, double M1, double M2) const

virtual double	MATRIX (double S, double T, double U, double M1, double M2) const

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::HwMEBase
enum	POWHEGType { No , ISR , FSR , Both }
	Virtual members to be overridden by inheriting classes which implement hard corrections. More...

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::HwMEBase
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

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

Detailed Description

The MEHiggsPair class implements the matrix elements for HiggsPairian \(2\to2\) scattering process.

Definition at line 63 of file MEHiggsPair.h.

Member Function Documentation

◆ alphasfixedvalue()

double Herwig::MEHiggsPair::alphasfixedvalue ( ) const

inline

Definition at line 117 of file MEHiggsPair.h.

◆ clone()

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

protectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ colourGeometries()

virtual Selector< const ColourLines * > Herwig::MEHiggsPair::colourGeometries ( tcDiagPtr diag ) const

virtual

Return a Selector with possible colour geometries for the selected diagram weighted by their relative probabilities.

Parameters

diag	the diagram chosen.

Returns: the possible colour geometries weighted by their relative probabilities.

Implements ThePEG::MEBase.

◆ diagrams()

virtual Selector< DiagramIndex > Herwig::MEHiggsPair::diagrams ( const DiagramVector & dv ) const

virtual

Get diagram selector.

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.

Parameters

dv	the diagrams to be weighted.

Returns: a Selector relating the given diagrams to their weights.

Reimplemented from ThePEG::MEBase.

◆ doinit()

virtual void Herwig::MEHiggsPair::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 ThePEG::MEBase.

◆ dSigHatDR()

virtual CrossSection Herwig::MEHiggsPair::dSigHatDR ( ) const

virtual

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

Reimplemented from Herwig::HwMEBase.

◆ fixedalphaS()

unsigned int Herwig::MEHiggsPair::fixedalphaS ( ) const

inline

Definition at line 112 of file MEHiggsPair.h.

◆ fullclone()

virtual IBPtr Herwig::MEHiggsPair::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.

◆ generateKinematics()

virtual bool Herwig::MEHiggsPair::generateKinematics ( const double * r )

virtual

Generate internal degrees of freedom.

Reimplemented from Herwig::HwMEBase.

◆ getDiagrams()

virtual void Herwig::MEHiggsPair::getDiagrams ( ) const

virtual

Add all possible diagrams with the add() function.

Implements ThePEG::MEBase.

◆ getReferences()

virtual IVector Herwig::MEHiggsPair::getReferences ( )

protectedvirtual

Return a vector of all pointers to Interfaced objects used in this object.

Returns: a vector of pointers.

Reimplemented from ThePEG::InterfacedBase.

◆ higgs() [1/2]

PDPtr Herwig::MEHiggsPair::higgs ( ) const

inlineprotected

Access to the higgs data.

Definition at line 200 of file MEHiggsPair.h.

References _higgs.

◆ higgs() [2/2]

void Herwig::MEHiggsPair::higgs ( PDPtr in )

inlineprotected

Set the higgs data.

Definition at line 205 of file MEHiggsPair.h.

References _higgs.

◆ Init()

static void Herwig::MEHiggsPair::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::MEHiggsPair::me2 ( ) const

virtual

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

Returns: the matrix element scaled with sHat() to give a dimensionless number.

Implements ThePEG::MEBase.

◆ nDim()

virtual int Herwig::MEHiggsPair::nDim ( ) const

virtual

The number of internal degrees of freedom used in the matrix element.

Reimplemented from Herwig::HwMEBase.

◆ operator=()

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

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ orderInAlphaEW()

virtual unsigned int Herwig::MEHiggsPair::orderInAlphaEW ( ) const

inlinevirtual

Return the order in \(\alpha_{EW}\) in which this matrix element is given.

Implements ThePEG::MEBase.

Definition at line 84 of file MEHiggsPair.h.

◆ orderInAlphaS()

virtual unsigned int Herwig::MEHiggsPair::orderInAlphaS ( ) const

inlinevirtual

Return the order in \(\alpha_S\) in which this matrix element is given.

Implements ThePEG::MEBase.

Definition at line 78 of file MEHiggsPair.h.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ rebind()

virtual void Herwig::MEHiggsPair::rebind ( const TranslationMap & trans )

protectedvirtual

Rebind pointer to other Interfaced objects.

Called in the setup phase after all objects used in an EventGenerator has been cloned so that the pointers will refer to the cloned objects afterwards.

Parameters

trans a TranslationMap relating the original objects to their respective clones.

Exceptions

RebindException if no cloned object was found for a given pointer.

Reimplemented from ThePEG::InterfacedBase.

◆ scale()

virtual Energy2 Herwig::MEHiggsPair::scale ( ) const

virtual

Return the scale associated with the last set phase space point.

Implements ThePEG::MEBase.

◆ scalemultiplier()

double Herwig::MEHiggsPair::scalemultiplier ( ) const

inline

Return multiplier for scale.

Definition at line 122 of file MEHiggsPair.h.

◆ setKinematics()

virtual void Herwig::MEHiggsPair::setKinematics ( )

virtual

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.

Reimplemented from Herwig::HwMEBase.

Member Data Documentation

◆ _alphascale

Energy Herwig::MEHiggsPair::_alphascale

private

Definition at line 368 of file MEHiggsPair.h.

◆ _alphasfixedvalue

double Herwig::MEHiggsPair::_alphasfixedvalue

private

Definition at line 374 of file MEHiggsPair.h.

◆ _basescale

Energy Herwig::MEHiggsPair::_basescale

private

Definition at line 379 of file MEHiggsPair.h.

◆ _bottommass

Energy Herwig::MEHiggsPair::_bottommass

private

Definition at line 293 of file MEHiggsPair.h.

◆ _c6

double Herwig::MEHiggsPair::_c6

private

Definition at line 418 of file MEHiggsPair.h.

◆ _cb1

double Herwig::MEHiggsPair::_cb1

private

Definition at line 444 of file MEHiggsPair.h.

◆ _cb2

double Herwig::MEHiggsPair::_cb2

private

Definition at line 449 of file MEHiggsPair.h.

◆ _cg1

double Herwig::MEHiggsPair::_cg1

private

Definition at line 423 of file MEHiggsPair.h.

◆ _cg2

double Herwig::MEHiggsPair::_cg2

private

Definition at line 428 of file MEHiggsPair.h.

◆ _cH

double Herwig::MEHiggsPair::_cH

private

Definition at line 413 of file MEHiggsPair.h.

◆ _ct1

double Herwig::MEHiggsPair::_ct1

private

Definition at line 433 of file MEHiggsPair.h.

◆ _ct2

double Herwig::MEHiggsPair::_ct2

private

Definition at line 438 of file MEHiggsPair.h.

◆ _EFTScale

Energy Herwig::MEHiggsPair::_EFTScale

private

Definition at line 454 of file MEHiggsPair.h.

◆ _fixedalphaS

unsigned int Herwig::MEHiggsPair::_fixedalphaS

private

Definition at line 363 of file MEHiggsPair.h.

◆ _fixedscale

unsigned int Herwig::MEHiggsPair::_fixedscale

private

Definition at line 389 of file MEHiggsPair.h.

◆ _heavyHmass

Energy Herwig::MEHiggsPair::_heavyHmass

private

Definition at line 310 of file MEHiggsPair.h.

◆ _heavyHwidth

Energy Herwig::MEHiggsPair::_heavyHwidth

private

Definition at line 316 of file MEHiggsPair.h.

◆ _hhHcoupling

double Herwig::MEHiggsPair::_hhHcoupling

private

multiplier for the hhH triple-coupling

Definition at line 353 of file MEHiggsPair.h.

◆ _higgs

PDPtr Herwig::MEHiggsPair::_higgs

private

The higgs boson.

Definition at line 277 of file MEHiggsPair.h.

Referenced by higgs().

◆ _hmass

GenericMassGeneratorPtr Herwig::MEHiggsPair::_hmass

private

The mass generator for the Higgs.

Definition at line 343 of file MEHiggsPair.h.

◆ _m1

Energy Herwig::MEHiggsPair::_m1

private

Definition at line 304 of file MEHiggsPair.h.

◆ _m2

Energy Herwig::MEHiggsPair::_m2

private

Definition at line 304 of file MEHiggsPair.h.

◆ _mh

Energy Herwig::MEHiggsPair::_mh

private

On-shell mass for the higgs.

Definition at line 395 of file MEHiggsPair.h.

◆ _mW

Energy Herwig::MEHiggsPair::_mW

private

On-shell mass for the W.

Definition at line 406 of file MEHiggsPair.h.

◆ _process

unsigned int Herwig::MEHiggsPair::_process

private

Processes to include.

Definition at line 358 of file MEHiggsPair.h.

◆ _scalemultiplier

double Herwig::MEHiggsPair::_scalemultiplier

private

Definition at line 384 of file MEHiggsPair.h.

◆ _selfcoupling

double Herwig::MEHiggsPair::_selfcoupling

private

multiplier for the SM triple-coupling

Definition at line 348 of file MEHiggsPair.h.

◆ _topmass

Energy Herwig::MEHiggsPair::_topmass

private

Definition at line 288 of file MEHiggsPair.h.

◆ _wh

Energy Herwig::MEHiggsPair::_wh

private

On-shell width for the higgs.

Definition at line 401 of file MEHiggsPair.h.

◆ _Wmass

Energy Herwig::MEHiggsPair::_Wmass

private

Definition at line 282 of file MEHiggsPair.h.

◆ _ybH

double Herwig::MEHiggsPair::_ybH

private

Definition at line 331 of file MEHiggsPair.h.

◆ _ybh

double Herwig::MEHiggsPair::_ybh

private

Definition at line 336 of file MEHiggsPair.h.

◆ _yH

double Herwig::MEHiggsPair::_yH

private

Definition at line 321 of file MEHiggsPair.h.

◆ _yh

double Herwig::MEHiggsPair::_yh

private

Definition at line 326 of file MEHiggsPair.h.

◆ _zmass

Energy Herwig::MEHiggsPair::_zmass

private

Definition at line 298 of file MEHiggsPair.h.

◆ initMEHiggsPair

ClassDescription<MEHiggsPair> Herwig::MEHiggsPair::initMEHiggsPair

staticprivate

The static object used to initialize the description of this class.

Indicates that this is a concrete class with persistent data.

Definition at line 265 of file MEHiggsPair.h.

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

MEHiggsPair.h

Public Member Functions

Protected Member Functions

Helper functions for me2.

Functions used by the persistent I/O system.

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ alphasfixedvalue()

◆ clone()

◆ colourGeometries()

◆ diagrams()

◆ doinit()

◆ dSigHatDR()

◆ fixedalphaS()

◆ fullclone()

◆ generateKinematics()

◆ getDiagrams()

◆ getReferences()

◆ higgs() [1/2]

◆ higgs() [2/2]

◆ Init()

◆ me2()

◆ nDim()

◆ operator=()

◆ orderInAlphaEW()

◆ orderInAlphaS()

◆ persistentInput()

◆ persistentOutput()

◆ rebind()

◆ scale()

◆ scalemultiplier()

◆ setKinematics()

Member Data Documentation

◆ _alphascale

◆ _alphasfixedvalue

◆ _basescale

◆ _bottommass

◆ _c6

◆ _cb1

◆ _cb2

◆ _cg1

◆ _cg2

◆ _cH

◆ _ct1

◆ _ct2

◆ _EFTScale

◆ _fixedalphaS

◆ _fixedscale

◆ _heavyHmass

◆ _heavyHwidth

◆ _hhHcoupling

◆ _higgs

◆ _hmass

◆ _m1

◆ _m2

◆ _mh

◆ _mW

◆ _process

◆ _scalemultiplier

◆ _selfcoupling

◆ _topmass

◆ _wh

◆ _Wmass

◆ _ybH

◆ _ybh

◆ _yH

◆ _yh

◆ _zmass

◆ initMEHiggsPair