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Herwig  7.1.4
Herwig::KPiCurrent Class Reference

Here is the documentation of the KPiCurrent class. More...

#include <KPiCurrent.h>

Inheritance diagram for Herwig::KPiCurrent:

Public Member Functions

 KPiCurrent ()
 The default constructor.
 
virtual vector< LorentzPolarizationVectorEcurrent (const int imode, const int ichan, Energy &scale, const ParticleVector &decay, DecayIntegrator::MEOption meopt) const
 Hadronic current. More...
 
virtual bool accept (vector< int > id)
 Accept the decay. More...
 
virtual unsigned int decayMode (vector< int > id)
 Return the decay mode number for a given set of particles in the current. More...
 
virtual void dataBaseOutput (ofstream &os, bool header, bool create) const
 Output the setup information for the particle database. More...
 
Methods for the construction of the phase space integrator.
virtual bool createMode (int icharge, unsigned int imode, DecayPhaseSpaceModePtr mode, unsigned int iloc, unsigned int ires, DecayPhaseSpaceChannelPtr phase, Energy upp)
 Complete the construction of the decay mode for integration. More...
 
virtual tPDVector particles (int icharge, unsigned int imode, int iq, int ia)
 The particles produced by the current. 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::WeakDecayCurrent
 WeakDecayCurrent ()
 Default constructor.
 
unsigned int numberOfModes () const
 Return the number of modes handled by this current.
 
void decayModeInfo (unsigned int imode, int &iq, int &ia) const
 Information on a decay mode. More...
 
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 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())
 
const string & name () const
 
bool operator== (const Named &other) const
 
bool operator< (const Named &other) const
 

Static Public Member Functions

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

Complex sWaveBreitWigner (Energy2 q2, unsigned int ires) const
 Breit-Wigner distributions. More...
 
Complex pWaveBreitWigner (Energy2 q2, unsigned int ires) const
 p-wave Breit-Wigner for the vector resonances 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::WeakDecayCurrent
void addDecayMode (int iq, int ia)
 Add a decay mode to the list. More...
 
void setInitialModes (unsigned int nmodes)
 Set initial number of modes. More...
 
- 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

KPiCurrentoperator= (const KPiCurrent &)
 The assignment operator is private and must never be called. More...
 

Private Attributes

bool _localparameters
 Use local value of the parameters not those from the ParticleData objects.
 
bool _transverse
 Whether to use $m^2$ or $Q^2$ in the projection operator.
 
vector< int > _resmap
 Map for the resonances.
 
double _cV
 Normalizations of the vector and scalar pieces. More...
 
double _cS
 $c_S$, normalization of the scalar piece
 
vector< double > _vecmag
 Parameters for the vector resonances. More...
 
vector< double > _vecphase
 Phase of the vector weights.
 
vector< Complex_vecwgt
 Weights for the vector resonaces.
 
vector< Energy > _vecmass
 Masses of the vector resonances.
 
vector< Energy > _vecwidth
 Widths of the vector resonances.
 
vector< double > _scamag
 Parameters for the scalar resonances. More...
 
vector< double > _scaphase
 Phase of the scalar weights.
 
vector< Complex_scawgt
 Weights for the scalar resonances.
 
vector< Energy > _scamass
 Masses of the scalar resonances.
 
vector< Energy > _scawidth
 Widths of the scalar resonances.
 
Energy _mpi
 Masses for calculating the running widths. More...
 
Energy _mK
 The kaon mass.
 

Static Private Attributes

static ClassDescription< KPiCurrentinitKPiCurrent
 The static object used to initialize the description of this class. More...
 

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

Here is the documentation of the KPiCurrent class.

See also
The interfaces defined for KPiCurrent.

Definition at line 28 of file KPiCurrent.h.

Member Function Documentation

◆ accept()

virtual bool Herwig::KPiCurrent::accept ( vector< int >  id)
virtual

Accept the decay.

Checks the particles are the allowed mode.

Parameters
idThe id's of the particles in the current.
Returns
Can this current have the external particles specified.

Implements Herwig::WeakDecayCurrent.

◆ clone()

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

Make a simple clone of this object.

Returns
a pointer to the new object.

Implements ThePEG::InterfacedBase.

Definition at line 180 of file KPiCurrent.h.

◆ createMode()

virtual bool Herwig::KPiCurrent::createMode ( int  icharge,
unsigned int  imode,
DecayPhaseSpaceModePtr  mode,
unsigned int  iloc,
unsigned int  ires,
DecayPhaseSpaceChannelPtr  phase,
Energy  upp 
)
virtual

Complete the construction of the decay mode for integration.

This version just adds the intermediate resonances, two outgoing mesons and photon.

Parameters
ichargeThe total charge of the outgoing particles in the current.
imodeThe mode in the current being asked for.
modeThe phase space mode for the integration
ilocThe location of the of the first particle from the current in the list of outgoing particles.
iresThe location of the first intermediate for the current.
phaseThe prototype phase space channel for the integration.
uppThe maximum possible mass the particles in the current are allowed to have.
Returns
Whether the current was sucessfully constructed.

Implements Herwig::WeakDecayCurrent.

◆ current()

virtual vector<LorentzPolarizationVectorE> Herwig::KPiCurrent::current ( const int  imode,
const int  ichan,
Energy &  scale,
const ParticleVector decay,
DecayIntegrator::MEOption  meopt 
) const
virtual

Hadronic current.

This version returns the hadronic current described above.

Parameters
imodeThe mode
ichanThe phase-space channel the current is needed for
scaleThe invariant mass of the particles in the current.
decayThe decay products
meoptOption for the calculation of the matrix element
Returns
The current.

Implements Herwig::WeakDecayCurrent.

◆ dataBaseOutput()

virtual void Herwig::KPiCurrent::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::WeakDecayCurrent.

◆ decayMode()

virtual unsigned int Herwig::KPiCurrent::decayMode ( vector< int >  id)
virtual

Return the decay mode number for a given set of particles in the current.

Parameters
idThe id's of the particles in the current.
Returns
The number of the mode

Implements Herwig::WeakDecayCurrent.

◆ doinit()

virtual void Herwig::KPiCurrent::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 ThePEG::InterfacedBase.

◆ fullclone()

virtual IBPtr Herwig::KPiCurrent::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 ThePEG::InterfacedBase.

Definition at line 186 of file KPiCurrent.h.

◆ Init()

static void Herwig::KPiCurrent::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=()

KPiCurrent& Herwig::KPiCurrent::operator= ( const KPiCurrent )
private

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ particles()

virtual tPDVector Herwig::KPiCurrent::particles ( int  icharge,
unsigned int  imode,
int  iq,
int  ia 
)
virtual

The particles produced by the current.

This just returns the two pseudoscalar mesons and the photon.

Parameters
ichargeThe total charge of the particles in the current.
imodeThe mode for which the particles are being requested
iqThe PDG code for the quark
iaThe PDG code for the antiquark
Returns
The external particles for the current.

Implements Herwig::WeakDecayCurrent.

◆ persistentInput()

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

Function used to write out object persistently.

Parameters
osthe persistent output stream written to.

◆ pWaveBreitWigner()

Complex Herwig::KPiCurrent::pWaveBreitWigner ( Energy2  q2,
unsigned int  ires 
) const
inlineprotected

p-wave Breit-Wigner for the vector resonances

Parameters
q2The scale
iresThe resonances

Definition at line 159 of file KPiCurrent.h.

References Herwig::Kinematics::pstarTwoBodyDecay(), sqr(), sqrt(), and ZERO.

◆ sWaveBreitWigner()

Complex Herwig::KPiCurrent::sWaveBreitWigner ( Energy2  q2,
unsigned int  ires 
) const
inlineprotected

Breit-Wigner distributions.

s-wave Breit-Wigner for the scalar resonances

Parameters
q2The scale
iresThe resonances

Definition at line 143 of file KPiCurrent.h.

References Herwig::Kinematics::pstarTwoBodyDecay(), sqr(), sqrt(), and ZERO.

Member Data Documentation

◆ _cV

double Herwig::KPiCurrent::_cV
private

Normalizations of the vector and scalar pieces.

$c_V$, normalization of the vector piece.

Definition at line 235 of file KPiCurrent.h.

◆ _mpi

Energy Herwig::KPiCurrent::_mpi
private

Masses for calculating the running widths.

The pion mass

Definition at line 310 of file KPiCurrent.h.

◆ _scamag

vector<double> Herwig::KPiCurrent::_scamag
private

Parameters for the scalar resonances.

Magnitude of the scalar weights

Definition at line 280 of file KPiCurrent.h.

◆ _vecmag

vector<double> Herwig::KPiCurrent::_vecmag
private

Parameters for the vector resonances.

Magnitude of the vector weights

Definition at line 250 of file KPiCurrent.h.

◆ initKPiCurrent

ClassDescription<KPiCurrent> Herwig::KPiCurrent::initKPiCurrent
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 208 of file KPiCurrent.h.


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