Implementation of the PomeronPDF PDFs. More...

#include <PomeronPDF.h>

Inheritance diagram for Herwig::PomeronPDF:

[legend]

Public Member Functions
Standard constructors and destructors.
	PomeronPDF ()
	Default constructor.

Virtual functions from PDFBase
virtual bool	canHandleParticle (tcPDPtr particle) const
	Return true if this PDF can handle the extraction of parton from the given particle ie.

virtual cPDVector	partons (tcPDPtr p) const
	Return the parton types which are described by these parton densities.

virtual double	xfx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const
	Return x times the pdf for the given parameters.

virtual double	xfvx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const
	Return x times the valence pdf for the given parameters.

Public Member Functions inherited from ThePEG::PDFBase
	PDFBase (const PDFBase &)

virtual bool	canHandleParticle (tcPDPtr particle) const=0

virtual bool	canHandle (tcPDPtr particle) const

virtual bool	hasPoleIn1 (tcPDPtr particle, tcPDPtr parton) const

virtual cPDVector	partons (tcPDPtr particle) const=0

virtual double	xfl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	xfvl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfvx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	xfsl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfsx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	flattenL (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double z, double &jacobian) const

virtual double	flattenScale (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double l, double z, double &jacobian) const

tcRemHPtr	remnantHandler () const

	PDFBase (const PDFBase &)

virtual bool	canHandleParticle (tcPDPtr particle) const=0

virtual bool	canHandle (tcPDPtr particle) const

virtual bool	hasPoleIn1 (tcPDPtr particle, tcPDPtr parton) const

virtual cPDVector	partons (tcPDPtr particle) const=0

virtual double	xfl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	xfvl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfvx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	xfsl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const

virtual double	xfsx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const

virtual double	flattenL (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double z, double &jacobian) const

virtual double	flattenScale (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double l, double z, double &jacobian) const

tcRemHPtr	remnantHandler () 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

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

virtual void	doinit ()

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)

Clone Methods.
enum	PDFFlavour { charm , gluon , singlet }
	Enumeration to storage the types of partons. More...

static const int	nPDFFlavour_
	Number of PDF flavours.

vector< vector< vector< double > > >	pdfTable_
	Vector of matrixes of PDF functions for different flavours: pdfTable [Flavours][Q^2][log x].

vector< vector< double > >	lxGrid_
	Vector of grid with log x values: lxGrid [Flavours] [log x].

vector< vector< double > >	lqqGrid_
	Vector of grid with log qq values: lxGrid [Flavours] [log qq].

vector< string >	fileName_
	Vector of names of PDF data files for each flavour.

string	rootName_
	Base of the filename.

int	nxPoints_
	Number of ln x points.

int	nqPoints_
	Number of qq flavours.

int	PDFFit_
	Switch between different PDF fits.

int	boundary_
	Switch between different aproaches when the values are out of PDF range: 0 Extrapolate, 1 Freeze.

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.

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

double	getPDFValue (PDFFlavour flPDF, double x, Energy2 qq) const
	This function calculates the PDF value for the given particles and a given x and q.

void	loadTables () const
	Load the PDF tables from file to the vectors.

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

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

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

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

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

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

Public Attributes inherited from ThePEG::InterfacedBase
	initializing

	uninitialized

	initialized

	runready

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

Protected Types inherited from ThePEG::PDFBase
enum	RangeException

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

static void	registerRepository (IBPtr, string newName)

Protected Attributes inherited from ThePEG::PDFBase
	rangeZero

	rangeThrow

RemHPtr	theRemnantHandler

RangeException	rangeException

Detailed Description

Implementation of the PomeronPDF PDFs.

See also: The interfaces defined for PomeronPDF.

Definition at line 29 of file PomeronPDF.h.

Member Enumeration Documentation

◆ PDFFlavour

enum Herwig::PomeronPDF::PDFFlavour

private

Enumeration to storage the types of partons.

Definition at line 143 of file PomeronPDF.h.

Member Function Documentation

◆ canHandleParticle()

virtual bool Herwig::PomeronPDF::canHandleParticle ( tcPDPtr particle ) const

virtual

Return true if this PDF can handle the extraction of parton from the given particle ie.

if the particle is a proton or neutron.

Parameters

particle The particle

Implements ThePEG::PDFBase.

◆ clone()

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

protectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ doinit()

virtual void Herwig::PomeronPDF::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::PDFBase.

◆ fullclone()

virtual IBPtr Herwig::PomeronPDF::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.

◆ getPDFValue()

double Herwig::PomeronPDF::getPDFValue	(	PDFFlavour	flPDF,
		double	x,
		Energy2	qq
	)		const

private

This function calculates the PDF value for the given particles and a given x and q.

Parameters

flPDF	Flavour of the PDF function
x	The x of the pomeron
qq	The scale

◆ Init()

static void Herwig::PomeronPDF::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.

◆ operator=()

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

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ partons()

virtual cPDVector Herwig::PomeronPDF::partons ( tcPDPtr p ) const

virtual

Return the parton types which are described by these parton densities.

Parameters

p	The particle

Implements ThePEG::PDFBase.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ xfvx()

virtual double Herwig::PomeronPDF::xfvx	(	tcPDPtr	particle,
		tcPDPtr	parton,
		Energy2	partonScale,
		double	x,
		double	eps = `0.0`,
		Energy2	particleScale = `ZERO`
	)		const

virtual

Return x times the valence pdf for the given parameters.

Parameters

particle	The beam particle
parton	The parton for which to return the PDF.
partonScale	The scale at which to evaluate the PDF.
x	The momentum fraction
eps	??? an unknown parameter from ThePEG.
particleScale	The scale for the particle

Reimplemented from ThePEG::PDFBase.

◆ xfx()

virtual double Herwig::PomeronPDF::xfx	(	tcPDPtr	particle,
		tcPDPtr	parton,
		Energy2	partonScale,
		double	x,
		double	eps = `0.0`,
		Energy2	particleScale = `ZERO`
	)		const

virtual

Return x times the pdf for the given parameters.

Parameters

particle	The beam particle
parton	The parton for which to return the PDF.
partonScale	The scale at which to evaluate the PDF.
x	The momentum fraction
eps	??? an unknown parameter from ThePEG.
particleScale	The scale for the particle

Reimplemented from ThePEG::PDFBase.

Member Data Documentation

◆ boundary_

int Herwig::PomeronPDF::boundary_

private

Switch between different aproaches when the values are out of PDF range: 0 Extrapolate, 1 Freeze.

Definition at line 219 of file PomeronPDF.h.

◆ fileName_

vector<string> Herwig::PomeronPDF::fileName_

private

Vector of names of PDF data files for each flavour.

Definition at line 194 of file PomeronPDF.h.

◆ lqqGrid_

vector<vector<double> > Herwig::PomeronPDF::lqqGrid_

mutableprivate

Vector of grid with log qq values: lxGrid [Flavours] [log qq].

Definition at line 189 of file PomeronPDF.h.

◆ lxGrid_

vector<vector<double> > Herwig::PomeronPDF::lxGrid_

mutableprivate

Vector of grid with log x values: lxGrid [Flavours] [log x].

Definition at line 184 of file PomeronPDF.h.

◆ nPDFFlavour_

const int Herwig::PomeronPDF::nPDFFlavour_

staticprivate

Number of PDF flavours.

Definition at line 172 of file PomeronPDF.h.

◆ nqPoints_

int Herwig::PomeronPDF::nqPoints_

private

Number of qq flavours.

Definition at line 209 of file PomeronPDF.h.

◆ nxPoints_

int Herwig::PomeronPDF::nxPoints_

private

Number of ln x points.

Definition at line 204 of file PomeronPDF.h.

◆ PDFFit_

int Herwig::PomeronPDF::PDFFit_

private

Switch between different PDF fits.

Possible values: 0 fit 2007, 1 fit A 2006, 2 fit B 2006

Definition at line 214 of file PomeronPDF.h.

◆ pdfTable_

vector<vector<vector<double> > > Herwig::PomeronPDF::pdfTable_

mutableprivate

Vector of matrixes of PDF functions for different flavours: pdfTable [Flavours][Q^2][log x].

Definition at line 179 of file PomeronPDF.h.

◆ rootName_

string Herwig::PomeronPDF::rootName_

private

Base of the filename.

Definition at line 199 of file PomeronPDF.h.

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

PomeronPDF.h

Public Member Functions

Protected Member Functions

Clone Methods.

Functions used by the persistent I/O system.

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ PDFFlavour

Member Function Documentation

◆ canHandleParticle()

◆ clone()

◆ doinit()

◆ fullclone()

◆ getPDFValue()

◆ Init()

◆ operator=()

◆ partons()

◆ persistentInput()

◆ persistentOutput()

◆ xfvx()

◆ xfx()

Member Data Documentation

◆ boundary_

◆ fileName_

◆ lqqGrid_

◆ lxGrid_

◆ nPDFFlavour_

◆ nqPoints_

◆ nxPoints_

◆ PDFFit_

◆ pdfTable_

◆ rootName_