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Herwig++  2.7.0
Herwig::DtoKPiPiE691 Class Reference

Here is the documentation of the DtoKPiPiE691 class. More...

#include <DtoKPiPiE691.h>

Inheritance diagram for Herwig::DtoKPiPiE691:

List of all members.

Public Member Functions

 DtoKPiPiE691 ()
 The default constructor.
virtual int modeNumber (bool &cc, tcPDPtr parent, const tPDVector &children) const
 Which of the possible decays is required.
double me2 (const int ichan, const Particle &part, const ParticleVector &decay, MEOption meopt) const
 Return the matrix element squared for a given mode and phase-space channel.
virtual void dataBaseOutput (ofstream &os, bool header) const
 Output the setup information for the particle database.
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 Public Member Functions

static void Init ()
 The standard Init function used to initialize the interfaces.

Protected Member Functions

double decayAngle (const Lorentz5Momentum &pparent, const Lorentz5Momentum &pres, const Lorentz5Momentum &p1) const
 Methods to calculate the amplitudes for a given channel.
Complex amplitude (int ispin, double costheta, Energy mAB, Energy wres, Energy mres) const
 Calculate the amplitude.
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.
Standard Interfaced functions.
virtual void doinit ()
 Initialize this object after the setup phase before saving an EventGenerator to disk.
virtual void doinitrun ()
 Initialize this object.

Private Member Functions

DtoKPiPiE691operator= (const DtoKPiPiE691 &)
 The assignment operator is private and must never be called.

Private Attributes

RhoDMatrix _rho
 Spin density matrix.
double _a1NR
 Amplitudes and phases for the different components.
double _phi1NR
 Phase of the non-resonant component for $D^+\to K^-\pi^+\pi^+$.
double _a1K892
 Amplitude of the $\bar{K}^*(892)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _phi1K892
 Phase of the $\bar{K}^*(892)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _a1K1430
 Amplitude of the $\bar{K}^*_0(1430)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _phi1K1430
 Phase of the $\bar{K}^*_0(1430)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _a1K1680
 Amplitude of the $\bar{K}^*_0(1680)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _phi1K1680
 Phase of the $\bar{K}^*_0(1680)^0$ component for $D^+\to K^-\pi^+\pi^+$.
double _a2NR
 Amplitude of the non-resonant component for $D^0\to K^-\pi^+\pi^0$.
double _phi2NR
 Phase of the non-resonant component for $D^0\to K^-\pi^+\pi^0$.
double _a2K8920
 Amplitude of the $\bar{K}^*(892)^0$ component for $D^0\to K^-\pi^+\pi^0$.
double _phi2K8920
 Phase of the $\bar{K}^*(892)^0$ component for $D^0\to K^-\pi^+\pi^0$.
double _a2K892m
 Amplitude of the $K^*(892)^-$ component for $D^0\to K^-\pi^+\pi^0$.
double _phi2K892m
 Phase of the $K^*(892)^-$ component for $D^0\to K^-\pi^+\pi^0$.
double _a2rho
 Amplitude of the $\rho^+$ component for $D^0\to K^-\pi^+\pi^0$.
double _phi2rho
 Phase of the $\rho^+$ component for $D^0\to K^-\pi^+\pi^0$.
double _a3NR
 Amplitude of the non-resonant component for $D^0\to \bar{K}^0\pi^+\pi^-$.
double _phi3NR
 Phase of the non-resonant component for $D^0\to \bar{K}^0\pi^+\pi^-$.
double _a3K892
 Amplitude of the $K^*(892)^-$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
double _phi3K892
 Phase of the $K^*(892)^-$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
double _a3rho
 Amplitude of the $\rho^0$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
double _phi3rho
 Phase of the $\rho^0$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
Complex _c1NR
 Complex amplitudes for use in the matrix element.
Complex _c1K892
 Amplitude of the $\bar{K}^*(892)^0$ component for $D^+\to K^-\pi^+\pi^+$.
Complex _c1K1430
 Amplitude of the $\bar{K}^*_0(1430)^0$ component for $D^+\to K^-\pi^+\pi^+$.
Complex _c1K1680
 Amplitude of the $\bar{K}^*_0(1680)^0$ component for $D^+\to K^-\pi^+\pi^+$.
Complex _c2NR
 Amplitude of the non-resonant component for $D^0\to K^-\pi^+\pi^0$.
Complex _c2K8920
 Amplitude of the $\bar{K}^*(892)^0$ for $D^0\to K^-\pi^+\pi^0$.
Complex _c2K892m
 Amplitude of the $K^*(892)^-$ for $D^0\to K^-\pi^+\pi^0$.
Complex _c2rho
 Amplitude of the $\rho^+$ for $D^0\to K^-\pi^+\pi^0$.
Complex _c3NR
 Amplitude of the non-resonant component for $D^0\to \bar{K}^0\pi^+\pi^-$.
Complex _c3K892
 Amplitude of the $K^*(892)^-$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
Complex _c3rho
 Amplitude of the $\rho^0$ component for $D^0\to \bar{K}^0\pi^+\pi^-$.
bool _localparameters
 Masses and widths of the various resonances.
Energy _mK8920
 Mass of the $K^*(892)^0$.
Energy _wK8920
 Width of the $K^*(892)^0$.
Energy _mK892m
 Mass of the $K^*(892)^-$.
Energy _wK892m
 Width of the $K^*(892)^-$.
Energy _mK1680
 Mass of the $K^*(1680)^0$.
Energy _wK1680
 Width of the $K^*(1680)^0$.
Energy _mK1430
 Mass of the $K^*_0(1430)^0$.
Energy _wK1430
 Width of the $K^*_0(1430)^0$.
Energy _mrho0
 Mass of the $\rho^0$.
Energy _wrho0
 Width of the $\rho^0$.
Energy _mrhop
 Mass of the $\rho^+$.
Energy _wrhop
 Width of the $\rho^+$.
vector< double > _maxwgt
 Parameters for the phase-space integration.
vector< double > _weights
 Weights for the different integration channels.

Static Private Attributes

static ClassDescription
< DtoKPiPiE691
initDtoKPiPiE691
 The static object used to initialize the description of this class.

Detailed Description

Here is the documentation of the DtoKPiPiE691 class.

See also:
The interfaces defined for DtoKPiPiE691.

Definition at line 28 of file DtoKPiPiE691.h.


Member Function Documentation

Complex Herwig::DtoKPiPiE691::amplitude ( int  ispin,
double  costheta,
Energy  mAB,
Energy  wres,
Energy  mres 
) const [inline, protected]

Calculate the amplitude.

Parameters:
ispinThe spin of the resonance
costhetaThe decay angle
mABThe off-shell mass of the resonance
wresThe width of the resonance
mresThe on-shell mass of the resonance

Definition at line 121 of file DtoKPiPiE691.h.

References sqr(), sqrt(), and ZERO.

virtual IBPtr Herwig::DtoKPiPiE691::clone ( ) const [inline, protected, virtual]

Make a simple clone of this object.

Returns:
a pointer to the new object.

Implements ThePEG::InterfacedBase.

Definition at line 144 of file DtoKPiPiE691.h.

virtual void Herwig::DtoKPiPiE691::dataBaseOutput ( ofstream &  os,
bool  header 
) 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

Reimplemented from Herwig::DecayIntegrator.

double Herwig::DtoKPiPiE691::decayAngle ( const Lorentz5Momentum &  pparent,
const Lorentz5Momentum &  pres,
const Lorentz5Momentum &  p1 
) const [inline, protected]

Methods to calculate the amplitudes for a given channel.

Calculate the decay angle for the amplitude, the angle is the angle between the 2 and 3 for the decay $D\to(12)3$ in the rest frame of the resonance which decays to 1 and 2.

Parameters:
pparentThe momentum of the parent
presThe momentum of the resonance
p1The momentum of the first decay product of the resonance

Definition at line 103 of file DtoKPiPiE691.h.

References sqrt().

virtual void Herwig::DtoKPiPiE691::doinit ( ) [protected, virtual]

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

Exceptions:
InitExceptionif object could not be initialized properly.

Reimplemented from ThePEG::InterfacedBase.

virtual void Herwig::DtoKPiPiE691::doinitrun ( ) [protected, virtual]

Initialize this object.

Called in the run phase just before a run begins.

Reimplemented from Herwig::DecayIntegrator.

virtual IBPtr Herwig::DtoKPiPiE691::fullclone ( ) const [inline, protected, virtual]

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 150 of file DtoKPiPiE691.h.

static void Herwig::DtoKPiPiE691::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.

Reimplemented from Herwig::DecayIntegrator.

double Herwig::DtoKPiPiE691::me2 ( const int  ichan,
const Particle part,
const ParticleVector decay,
MEOption  meopt 
) const [virtual]

Return the matrix element squared for a given mode and phase-space channel.

Parameters:
ichanThe channel we are calculating the matrix element for.
partThe decaying Particle.
decayThe particles produced in the decay.
meoptOption for the matrix element
Returns:
The matrix element squared for the phase-space configuration.

Implements Herwig::DecayIntegrator.

virtual int Herwig::DtoKPiPiE691::modeNumber ( bool &  cc,
tcPDPtr  parent,
const tPDVector children 
) const [virtual]

Which of the possible decays is required.

Parameters:
ccIs this mode the charge conjugate
parentThe decaying particle
childrenThe decay products

Implements Herwig::DecayIntegrator.

DtoKPiPiE691& Herwig::DtoKPiPiE691::operator= ( const DtoKPiPiE691 ) [private]

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

void Herwig::DtoKPiPiE691::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.

Reimplemented from Herwig::DecayIntegrator.

Function used to write out object persistently.

Parameters:
osthe persistent output stream written to.

Reimplemented from Herwig::DecayIntegrator.


Member Data Documentation

double Herwig::DtoKPiPiE691::_a1NR [private]

Amplitudes and phases for the different components.

Amplitude of the non-resonant component for $D^+\to K^-\pi^+\pi^+$

Definition at line 194 of file DtoKPiPiE691.h.

Complex amplitudes for use in the matrix element.

Amplitude of the non-resonant component for $D^+\to K^-\pi^+\pi^+$

Definition at line 309 of file DtoKPiPiE691.h.

Masses and widths of the various resonances.

Use local values for the masses and widths

Definition at line 369 of file DtoKPiPiE691.h.

vector<double> Herwig::DtoKPiPiE691::_maxwgt [private]

Parameters for the phase-space integration.

Maximum weights for the various modes

Definition at line 439 of file DtoKPiPiE691.h.

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

Indicates that this is a concrete class with persistent data.

Definition at line 177 of file DtoKPiPiE691.h.


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