The HQETFormFactor class implements the form factors for the decay of B mesons into D and \(D^*\) mesons using form factors based on Heavy Quark Effective theory of the parameterisation of hep-ph/9712417 away from the heavy quark limit. More...

#include <HQETFormFactor.h>

Inheritance diagram for Herwig::HQETFormFactor:

[legend]

Public Member Functions
	HQETFormFactor ()
	The default constructor.

Form Factors
virtual void	ScalarScalarFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &f0, Complex &fp) const
	The form factor for the weak decay of a scalar to a scalar.

virtual void	ScalarVectorFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &A0, Complex &A1, Complex &A2, Complex &V) const
	The form factor for the weak decay of a scalar to a vector.

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

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

int	formFactorNumber (int in, int out, bool &cc) const
	Find the location for a given pair of particle.

void	particleID (unsigned int iloc, int &id0, int &id1) const
	Get the particle ids for an entry.

void	formFactorInfo (unsigned int &iloc, int &ispin, int &spect, int &inquark, int &outquark) const
	Information on the form factor.

void	formFactorInfo (int in, int out, int &ispin, int &spect, int &inquark, int &outquark) const
	Information on the form factor.

unsigned int	numberOfFactors () const
	number of form factors

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.

virtual void	ScalarTensorFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, complex< InvEnergy2 > &h, Complex &k, complex< InvEnergy2 > &bp, complex< InvEnergy2 > &bm) const
	The form factor for the weak decay of a scalar to a tensor.

virtual void	ScalarScalarSigmaFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &fT) const
	The form factor for the weak penguin decay of a scalar meson to a scalar meson.

virtual void	ScalarVectorSigmaFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &T1, Complex &T2, Complex &T3) const
	The form factor for the weak penguin decay of a scalar meson to a vector meson.

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.
double	_f1scalar
	The normalisation parameter for the scalar form factors.

double	_f1vector
	The normalisation parameter for the vector form factors.

double	_r1
	The form factor \(R_1(\omega)\) at \(\omega=1\).

double	_r2
	The form factor \(R_2(\omega)\) at \(\omega=1\).

double	_rho2scalar
	The slope parameter \(\rho^2\) for the scalar form factors.

double	_rho2vector
	The slope parameter \(\rho^2\) for the vector form factors.

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.

HQETFormFactor &	operator= (const HQETFormFactor &)=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 ThePEG::InterfacedBase
enum	InitState

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

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

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

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

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

Public Attributes inherited from ThePEG::InterfacedBase
	initializing

	uninitialized

	initialized

	runready

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

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

void	addFormFactor (int in, int out, int spin, int spect, int inquark, int outquark)
	Add a form factor to the list.

void	initialModes (unsigned int nmodes)
	Set initial number of modes.

unsigned int	initialModes () const
	Get the initial number of modes.

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

The HQETFormFactor class implements the form factors for the decay of B mesons into D and \(D^*\) mesons using form factors based on Heavy Quark Effective theory of the parameterisation of hep-ph/9712417 away from the heavy quark limit.

See also: The interfaces defined for HQETFormFactor.

Definition at line 30 of file HQETFormFactor.h.

Member Function Documentation

◆ clone()

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

inlineprotectedvirtual

Make a simple clone of this object.

Returns: a pointer to the new object.

Reimplemented from Herwig::ScalarFormFactor.

Definition at line 116 of file HQETFormFactor.h.

◆ dataBaseOutput()

virtual void Herwig::HQETFormFactor::dataBaseOutput	(	ofstream &	os,
		bool	header,
		bool	create
	)		const

virtual

Output the setup information for the particle database.

Parameters

os	The stream to output the information to
header	Whether or not to output the information for MySQL
create	Whether or not to add a statement creating the object

Reimplemented from Herwig::ScalarFormFactor.

◆ fullclone()

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

inlineprotectedvirtual

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

Returns: a pointer to the new object.

Reimplemented from Herwig::ScalarFormFactor.

Definition at line 122 of file HQETFormFactor.h.

◆ Init()

static void Herwig::HQETFormFactor::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=()

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

privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

◆ ScalarScalarFormFactor()

virtual void Herwig::HQETFormFactor::ScalarScalarFormFactor	(	Energy2	q2,
		unsigned int	iloc,
		int	id0,
		int	id1,
		Energy	m0,
		Energy	m1,
		Complex &	f0,
		Complex &	fp
	)		const

virtual

The form factor for the weak decay of a scalar to a scalar.

Parameters

q2	The scale \(q^2\).
iloc	The location in the form factor list.
id0	The PDG code of the incoming meson.
id1	The PDG code of the outgoing meson.
m0	The mass of the incoming meson.
m1	The mass of the outgoing meson.
f0	The form factor \(f_0\).
fp	The form factor \(f_+\).

Reimplemented from Herwig::ScalarFormFactor.

◆ ScalarVectorFormFactor()

virtual void Herwig::HQETFormFactor::ScalarVectorFormFactor	(	Energy2	q2,
		unsigned int	iloc,
		int	id0,
		int	id1,
		Energy	m0,
		Energy	m1,
		Complex &	A0,
		Complex &	A1,
		Complex &	A2,
		Complex &	V
	)		const

virtual

The form factor for the weak decay of a scalar to a vector.

Parameters

q2	The scale \(q^2\).
iloc	The location in the form factor list.
id0	The PDG code of the incoming meson.
id1	The PDG code of the outgoing meson.
m0	The mass of the incoming meson.
m1	The mass of the outgoing meson.
A0	The form factor \(A_0\)
A1	The form factor \(A_1\)
A2	The form factor \(A_2\)
V	The form factor \(V\)

Reimplemented from Herwig::ScalarFormFactor.

Member Data Documentation

◆ _f1scalar

double Herwig::HQETFormFactor::_f1scalar

private

The normalisation parameter for the scalar form factors.

Definition at line 138 of file HQETFormFactor.h.

◆ _f1vector

double Herwig::HQETFormFactor::_f1vector

private

The normalisation parameter for the vector form factors.

Definition at line 143 of file HQETFormFactor.h.

◆ _r1

double Herwig::HQETFormFactor::_r1

private

The form factor \(R_1(\omega)\) at \(\omega=1\).

Definition at line 148 of file HQETFormFactor.h.

◆ _r2

double Herwig::HQETFormFactor::_r2

private

The form factor \(R_2(\omega)\) at \(\omega=1\).

Definition at line 153 of file HQETFormFactor.h.

◆ _rho2scalar

double Herwig::HQETFormFactor::_rho2scalar

private

The slope parameter \(\rho^2\) for the scalar form factors.

Definition at line 158 of file HQETFormFactor.h.

◆ _rho2vector

double Herwig::HQETFormFactor::_rho2vector

private

The slope parameter \(\rho^2\) for the vector form factors.

Definition at line 163 of file HQETFormFactor.h.

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

HQETFormFactor.h

Public Member Functions

Clone Methods.

Functions used by the persistent I/O system.

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ clone()

◆ dataBaseOutput()

◆ fullclone()

◆ Init()

◆ operator=()

◆ persistentInput()

◆ persistentOutput()

◆ ScalarScalarFormFactor()

◆ ScalarVectorFormFactor()

Member Data Documentation

◆ _f1scalar

◆ _f1vector

◆ _r1

◆ _r2

◆ _rho2scalar

◆ _rho2vector