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Herwig  7.2.1
Herwig::ISGW2FormFactor Class Reference

The ISGW2FormFactor class is the implementation of the ISGW2 model of Phys. More...

#include <ISGW2FormFactor.h>

Inheritance diagram for Herwig::ISGW2FormFactor:

Public Member Functions

 ISGW2FormFactor ()
 Default constructor.
 
virtual void dataBaseOutput (ofstream &os, bool header, bool create) const
 Output the setup information for the particle database. More...
 
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. More...
 
virtual void ScalarVectorFormFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &V, Complex &A0, Complex &A1, Complex &A2) const
 The form factor for the weak decay of a scalar to a vector. More...
 
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. More...
 
Functions used by the persistent I/O system.
void persistentOutput (PersistentOStream &os) const
 Function used to write out object persistently. More...
 
void persistentInput (PersistentIStream &is, int version)
 Function used to read in object persistently. More...
 
- Public Member Functions inherited from Herwig::ScalarFormFactor
 ScalarFormFactor ()
 Default constructor.
 
void persistentOutput (PersistentOStream &os) const
 Function used to write out object persistently. More...
 
void persistentInput (PersistentIStream &is, int version)
 Function used to read in object persistently. More...
 
int formFactorNumber (int in, int out, bool &cc) const
 Find the location for a given pair of particle. More...
 
void particleID (unsigned int iloc, int &id0, int &id1) const
 Get the particle ids for an entry. More...
 
void formFactorInfo (unsigned int &iloc, int &ispin, int &spect, int &inquark, int &outquark) const
 Information on the form factor. More...
 
void formFactorInfo (int in, int out, int &ispin, int &spect, int &inquark, int &outquark) const
 Information on the form factor. More...
 
unsigned int numberOfFactors () const
 number of form factors
 
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. More...
 
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. More...
 
- 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
 
void persistentOutput (PersistentOStream &os) const
 
void persistentInput (PersistentIStream &is, int version)
 
- Public Member Functions inherited from ThePEG::InterfacedBase
string fullName () const
 
string name () const
 
string path () const
 
string comment () const
 
void setup (istream &is)
 
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
 
void persistentOutput (PersistentOStream &os) const
 
void persistentInput (PersistentIStream &is, int version)
 
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
 
void persistentOutput (PersistentOStream &os) const
 
void persistentInput (PersistentIStream &is, int version)
 
- Public Member Functions inherited from ThePEG::Base
void debug () 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
 

Static Public Member Functions

static void Init ()
 Standard Init function used to initialize the interfaces.
 
- 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 ()
 

Protected Member Functions

void formFactor (Energy2 q2, unsigned int iloc, int id0, int id1, Energy m0, Energy m1, Complex &f1, Complex &f2, Complex &f3, Complex &f4) const
 The member which implements all the different form-factors. More...
 
double alphaS (Energy mass, Energy2 q2) const
 The saturated $\alpha_S$ used to calculate the form-factors. More...
 
Clone Methods.
virtual IBPtr clone () const
 Make a simple clone of this object. More...
 
virtual IBPtr fullclone () const
 Make a clone of this object, possibly modifying the cloned object to make it sane. More...
 
Standard Interfaced functions.
virtual void doinit ()
 Initialize this object after the setup phase before saving and EventGenerator to disk. More...
 
- Protected Member Functions inherited from Herwig::ScalarFormFactor
void addFormFactor (int in, int out, int spin, int spect, int inquark, int outquark)
 Add a form factor to the list. More...
 
void initialModes (unsigned int nmodes)
 Set initial number of modes. More...
 
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
 InterfacedBase (string newName)
 
 InterfacedBase (const InterfacedBase &i)
 
virtual void readSetup (istream &is)
 
virtual void doupdate ()
 
virtual void doinitrun ()
 
virtual void dofinish ()
 
virtual IVector getReferences ()
 
virtual void rebind (const TranslationMap &)
 
virtual void readSetup (istream &is)
 
virtual void doupdate ()
 
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 &)
 
ReferenceCountedoperator= (const ReferenceCounted &)
 
 ReferenceCounted (const ReferenceCounted &)
 
ReferenceCountedoperator= (const ReferenceCounted &)
 
- Protected Member Functions inherited from ThePEG::Named
const Namedoperator= (const Named &other)
 
const string & name (const string &newName)
 

Private Member Functions

ISGW2FormFactoroperator= (const ISGW2FormFactor &)=delete
 Private and non-existent assignment operator.
 

Private Attributes

double _thetaeta
 The $\eta-\eta'$ mixing angle.
 
bool _includeaW
 Include the $a_L(\omega)$ piece of the $C_{ji}$ factor.
 
Quark masses
Energy _mdown
 The down quark mass.
 
Energy _mup
 The up quark mass.
 
Energy _mstrange
 The strange quark mass.
 
Energy _mcharm
 The charm quark mass.
 
Energy _mbottom
 The bottom quark mass.
 
vector< Energy > _mquark
 The masses of the quarks as a vector.
 
Wave function parameters for the \f$1^1S_0\f$ level.
Energy _beta1S0ud
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $u\bar{d}$.
 
Energy _beta1S0us
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $u\bar{s}$.
 
Energy _beta1S0ss
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $s\bar{s}$.
 
Energy _beta1S0cu
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $c\bar{u}$.
 
Energy _beta1S0cs
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $c\bar{s}$.
 
Energy _beta1S0ub
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $u\bar{b}$.
 
Energy _beta1S0sb
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $s\bar{b}$.
 
Energy _beta1S0cc
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $c\bar{c}$.
 
Energy _beta1S0bc
 The wavefunction $1^1S_0$ $\beta$ variational parameter for $b\bar{c}$.
 
vector< vector< Energy > > _beta1S0
 The wavefunction parameters as an array.
 
vector< vector< Energy > > _mass1S0
 The masses as a array.
 
Wave function parameters for the \f$1^3S_1\f$ level.
Energy _beta3S1ud
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $u\bar{d}$.
 
Energy _beta3S1us
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $u\bar{s}$.
 
Energy _beta3S1ss
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $s\bar{s}$.
 
Energy _beta3S1cu
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $c\bar{u}$.
 
Energy _beta3S1cs
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $c\bar{s}$.
 
Energy _beta3S1ub
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $u\bar{b}$.
 
Energy _beta3S1sb
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $s\bar{b}$.
 
Energy _beta3S1cc
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $c\bar{c}$.
 
Energy _beta3S1bc
 The wavefunction $1^3S_1$ $\beta$ variational parameter for $b\bar{c}$.
 
vector< vector< Energy > > _beta3S1
 The wavefunction paramaeters as an array.
 
Wave function parameters for the \f$1P\f$ levels.
Energy _beta1Pud
 The wavefunction $1P$ $\beta$ variational parameter for $u\bar{d}$.
 
Energy _beta1Pus
 The wavefunction $1P$ $\beta$ variational parameter for $u\bar{s}$.
 
Energy _beta1Pss
 The wavefunction $1P$ $\beta$ variational parameter for $s\bar{s}$.
 
Energy _beta1Pcu
 The wavefunction $1P$ $\beta$ variational parameter for $c\bar{u}$.
 
Energy _beta1Pcs
 The wavefunction $1P$ $\beta$ variational parameter for $c\bar{s}$.
 
Energy _beta1Pub
 The wavefunction $1P$ $\beta$ variational parameter for $u\bar{b}$.
 
Energy _beta1Psb
 The wavefunction $1P$ $\beta$ variational parameter for $s\bar{b}$.
 
Energy _beta1Pcc
 The wavefunction $1P$ $\beta$ variational parameter for $c\bar{c}$.
 
Energy _beta1Pbc
 The wavefunction $1P$ $\beta$ variational parameter for $b\bar{c}$.
 
vector< vector< Energy > > _beta1P
 The wavefunction paramaeters as an array.
 
vector< vector< Energy > > _massPoh
 The spin-1/2 masses.
 
vector< vector< Energy > > _massPth
 The spin-3/2 masses.
 
Parameters for the strong coupling
double _alphamuQM
 The cut-off value of $\alpha_S$.
 
vector< double > _alphaQ
 The values of $\alpha_S$ at the quark masses.
 
Relativistic correction factors
double _CfDrho
 The correction factor for $D\to\rho$.
 
double _CfDKstar
 The correction factor for $D\to K^*$.
 
double _CfDsKstar
 The correction factor for $D_s\to K^*$.
 
double _CfDsphi
 The correction factor for $D_s\to\phi$.
 
double _CfBrho
 The correction factor for $B\to\rho$.
 
double _CfBDstar
 The correction factor for $B\to D^*$.
 
double _CfBsKstar
 The correction factor for $B_s\to K^*$.
 
double _CfBsDstar
 The correction factor for $B_s\to D^*$.
 
double _CfBcDstar
 The correction factor for $B_c\to D^*$.
 
double _CfBcpsi
 The correction factor for $B_c\to\psi$.
 
double _CfBcBsstar
 The correction factor for $B_c\to B_s^*$.
 
double _CfBcBstar
 The correction factor for $B_c\to B^*$.
 

Additional Inherited Members

- Public Types inherited from ThePEG::InterfacedBase
enum  InitState
 
- Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int CounterType
 
- 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)
 

Detailed Description

The ISGW2FormFactor class is the implementation of the ISGW2 model of Phys.

Rev. D52, 2783 (1995) for the scalar meson form factors.

It inherits from the ScalarFormFactor class and implements the calculation of the relevant form factors.

See also
ScalarFormFactor
ISGWFormFactor

Definition at line 36 of file ISGW2FormFactor.h.

Member Function Documentation

◆ alphaS()

double Herwig::ISGW2FormFactor::alphaS ( Energy  mass,
Energy2  q2 
) const
inlineprotected

The saturated $\alpha_S$ used to calculate the form-factors.

Parameters
massMass scale to work out the number of flavours.
q2$q^2$ the scale.
Returns
the value of $\alpha_S$.

Definition at line 192 of file ISGW2FormFactor.h.

◆ clone()

virtual IBPtr Herwig::ISGW2FormFactor::clone ( ) const
inlineprotectedvirtual

Make a simple clone of this object.

Returns
a pointer to the new object.

Reimplemented from Herwig::ScalarFormFactor.

Definition at line 156 of file ISGW2FormFactor.h.

◆ dataBaseOutput()

virtual void Herwig::ISGW2FormFactor::dataBaseOutput ( ofstream &  os,
bool  header,
bool  create 
) const
virtual

Output the setup information for the particle database.

Parameters
osThe stream to output the information to
headerWhether or not to output the information for MySQL
createWhether or not to add a statement creating the object

Reimplemented from Herwig::ScalarFormFactor.

◆ doinit()

virtual void Herwig::ISGW2FormFactor::doinit ( )
protectedvirtual

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

Exceptions
InitExceptionif object could not be initialized properly.

Reimplemented from Herwig::ScalarFormFactor.

◆ formFactor()

void Herwig::ISGW2FormFactor::formFactor ( Energy2  q2,
unsigned int  iloc,
int  id0,
int  id1,
Energy  m0,
Energy  m1,
Complex f1,
Complex f2,
Complex f3,
Complex f4 
) const
protected

The member which implements all the different form-factors.

Parameters
q2The scale $q^2$.
ilocThe location in the form-factor list.
id0The PDG code of the incoming meson.
id1The PDG code of the outgoing meson.
m0The mass of the incoming meson.
m1The mass of the outgoing meson.
f1The first form-factor.
f2The second form-factor.
f3The third form-factor.
f4The fourth form-factor.

◆ fullclone()

virtual IBPtr Herwig::ISGW2FormFactor::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 162 of file ISGW2FormFactor.h.

◆ persistentInput()

void Herwig::ISGW2FormFactor::persistentInput ( PersistentIStream is,
int  version 
)

Function used to read in object persistently.

Parameters
isthe persistent input stream read from.
versionthe version number of the object when written.

◆ persistentOutput()

void Herwig::ISGW2FormFactor::persistentOutput ( PersistentOStream os) const

Function used to write out object persistently.

Parameters
osthe persistent output stream written to.

◆ ScalarScalarFormFactor()

virtual void Herwig::ISGW2FormFactor::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
q2The scale $q^2$.
ilocThe location in the form-factor list.
id0The PDG code of the incoming meson.
id1The PDG code of the outgoing meson.
m0The mass of the incoming meson.
m1The mass of the outgoing meson.
f0The form-factor $f_0$.
fpThe form-factor $f_+$.

Reimplemented from Herwig::ScalarFormFactor.

◆ ScalarTensorFormFactor()

virtual void Herwig::ISGW2FormFactor::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
virtual

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

Parameters
q2The scale $q^2$.
ilocThe location in the form-factor list.
id0The PDG code of the incoming meson.
id1The PDG code of the outgoing meson.
m0The mass of the incoming meson.
m1The mass of the outgoing meson.
hThe form-factor $h$.
kThe form-factor $k$.
bpThe form-factor $b_+$.
bmThe form-factor $b_-$.

Reimplemented from Herwig::ScalarFormFactor.

◆ ScalarVectorFormFactor()

virtual void Herwig::ISGW2FormFactor::ScalarVectorFormFactor ( Energy2  q2,
unsigned int  iloc,
int  id0,
int  id1,
Energy  m0,
Energy  m1,
Complex V,
Complex A0,
Complex A1,
Complex A2 
) const
virtual

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

Parameters
q2The scale $q^2$.
ilocThe location in the form-factor list.
id0The PDG code of the incoming meson.
id1The PDG code of the outgoing meson.
m0The mass of the incoming meson.
m1The mass of the outgoing meson.
VThe form-factor $V$
A0The form-factor $A_0$
A1The form-factor $A_1$
A2The form-factor $A_2$

Reimplemented from Herwig::ScalarFormFactor.


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