EvtPyGaGa Class Reference

#include <EvtPyGaGa.hh>

Inheritance diagram for EvtPyGaGa:

Public Member Functions
	EvtPyGaGa ()
virtual	~EvtPyGaGa ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	init ()
void	initProbMax ()
void	decay (EvtParticle *p)
Public Member Functions inherited from EvtDecayIncoherent
void	makeDecay (EvtParticle *p)
virtual	~EvtDecayIncoherent ()
void	setDaughterSpinDensity (int daughter)
int	isDaughterSpinDensitySet (int daughter)
Public Member Functions inherited from EvtDecayBase
virtual void	getName (std::string &name)=0
virtual void	decay (EvtParticle *p)=0
virtual void	makeDecay (EvtParticle *p)=0
virtual EvtDecayBase *	clone ()=0
virtual void	init ()
virtual void	initProbMax ()
virtual std::string	commandName ()
virtual void	command (std::string cmd)
double	getProbMax (double prob)
double	resetProbMax (double prob)
	EvtDecayBase ()
virtual	~EvtDecayBase ()
virtual bool	matchingDecay (const EvtDecayBase &other) const
EvtId	getParentId ()
double	getBranchingFraction ()
void	disableCheckQ ()
void	checkQ ()
int	getNDaug ()
EvtId *	getDaugs ()
EvtId	getDaug (int i)
int	getNArg ()
int	getPHOTOS ()
void	setPHOTOS ()
void	setVerbose ()
void	setSummary ()
double *	getArgs ()
std::string *	getArgsStr ()
double	getArg (int j)
std::string	getArgStr (int j)
std::string	getModelName ()
int	getDSum ()
int	summary ()
int	verbose ()
void	saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
void	printSummary ()
void	setProbMax (double prbmx)
void	noProbMax ()
void	checkNArg (int a1, int a2=-1, int a3=-1, int a4=-1)
void	checkNDaug (int d1, int d2=-1)
void	checkSpinParent (EvtSpinType::spintype sp)
void	checkSpinDaughter (int d1, EvtSpinType::spintype sp)
virtual int	nRealDaughters ()

Additional Inherited Members
Static Public Member Functions inherited from EvtDecayBase
static void	findMasses (EvtParticle *p, int ndaugs, EvtId daugs[10], double masses[10])
static void	findMass (EvtParticle *p)
static double	findMaxMass (EvtParticle *p)
Protected Member Functions inherited from EvtDecayBase
bool	daugsDecayedByParentModel ()
Protected Attributes inherited from EvtDecayBase
bool	_daugsDecayedByParentModel

Detailed Description

Definition at line 28 of file EvtPyGaGa.hh.

Constructor & Destructor Documentation

EvtPyGaGa()

EvtPyGaGa::EvtPyGaGa ( )

inline

Definition at line 32 of file EvtPyGaGa.hh.

{}

Referenced by clone().

~EvtPyGaGa()

EvtPyGaGa::~EvtPyGaGa ( )

virtual

Definition at line 46 of file EvtPyGaGa.cc.

{
  int i=1;
  pystat_(i);
}

Member Function Documentation

clone()

EvtDecayBase * EvtPyGaGa::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 57 of file EvtPyGaGa.cc.

{
  return new EvtPyGaGa;
}

decay()

void EvtPyGaGa::decay ( EvtParticle *  p )

virtual

Implements EvtDecayBase.

Definition at line 75 of file EvtPyGaGa.cc.

{
  EvtPythia::pythiaInit(1);
  EvtVector4R p4[100];
  
  double energy=p->mass();
  
  int i,more;
  int ndaugjs;
  int kf[100];
  EvtId id[100];
  int type[MAX_DAUG];
  
  double px[100],py[100],pz[100],e[100];
  
  if ( p->getNDaug() != 0 ) { return;}
  do{
    EvtPythia::pythiacont(&energy,&ndaugjs,kf,px,py,pz,e);
    
    for(i=0;i<ndaugjs;i++)
      {
    
    id[i]=EvtPDL::evtIdFromStdHep(kf[i]);
    
    type[i]=EvtPDL::getSpinType(id[i]);
    
    // have to protect against negative mass^2 for massless particles
    // i.e. neutrinos and photons.
    // this is uggly but I need to fix it right now....
    
    if (px[i]*px[i]+py[i]*py[i]+pz[i]*pz[i]>=e[i]*e[i])
      e[i]=sqrt(px[i]*px[i]+py[i]*py[i]+pz[i]*pz[i])+0.0000000000001;
    
    p4[i].set(e[i],px[i],py[i],pz[i]);
    
      }
    
    int channel=EvtDecayTable::inChannelList(p->getId(),ndaugjs,id);
    
    more=((channel!=-1)&&(channel!=p->getChannel()));
    
  }while(more);
  
  p->makeDaughters(ndaugjs,id);
  
  for(i=0;i<ndaugjs;i++)
    p->getDaug(i)->init( id[i], p4[i] );
  
  return ;
}

getName()

void EvtPyGaGa::getName ( std::string &  name )

virtual

Implements EvtDecayBase.

Definition at line 52 of file EvtPyGaGa.cc.

{
  model_name="PYGAGA";  
}

init()

void EvtPyGaGa::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 62 of file EvtPyGaGa.cc.

{
  // check that there are 1 argument
  checkNArg(0);
  for( int i=0; i<18; i++)
    decaych_.dc[i]=0;
}

initProbMax()

void EvtPyGaGa::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 70 of file EvtPyGaGa.cc.

{
  noProbMax();
}

---

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

• EvtPyGaGa.hh
• EvtPyGaGa.cc