EvtFromParent Class Reference

#include <EvtFromParent.hh>

Inheritance diagram for EvtFromParent:

Public Member Functions
	EvtFromParent ()
virtual	~EvtFromParent ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
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 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 30 of file EvtFromParent.hh.

Constructor & Destructor Documentation

EvtFromParent()

EvtFromParent::EvtFromParent ( )

inline

Definition at line 34 of file EvtFromParent.hh.

{}

Referenced by clone().

~EvtFromParent()

EvtFromParent::~EvtFromParent ( )

virtual

Definition at line 40 of file EvtFromParent.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtFromParent::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 48 of file EvtFromParent.cc.

                                  {
 
  return new EvtFromParent;
 
}

decay()

void EvtFromParent::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 68 of file EvtFromParent.cc.

                                         {
  bool debug=0;
  //p->printTree();
  //std::cout<<"FromParent:p->getId() = "<<p->getId()<<std::endl;
  EvtId LambdaId = EvtPDL::getId("Lambda0");
  //std::cout<<"LambdaId = "<<LambdaId<<std::endl;
  EvtId antiLambdaId = EvtPDL::getId("anti-Lambda0");
  //std::cout<<"antiLambdaId = "<<antiLambdaId<<std::endl;
  if(p->getId()!=LambdaId&&p->getId()!=antiLambdaId){std::cout<<"Parent particle is required to be Lambda0 or antiLambda0"<<std::endl;abort();}
  int more=0;
  int numstable=0;
  EvtId evtnumstable[100];
  EvtVector4R p4[20];
  /*if(EvtParticle::_NextLevelDauNum == 0) {
    report(ERROR,"EvtGen") << "EvtParticle failed to store the info of NextLevel";
  ::abort();
  }*/
  if(EvtParticle::_NextLevelDauNum != 0){
  if(p->getId()==LambdaId) {
    //pi-
    evtnumstable[numstable]=EvtPDL::evtIdFromStdHep(-211);                    
    p4[numstable] = EvtParticle::_NextLevelP4[2];     
    if (debug) std::cout<<"FromParent: pi- p4[numstable] = "<<p4[numstable]<<std::endl;
    numstable++;  
    //p
    evtnumstable[numstable]=EvtPDL::evtIdFromStdHep(2212);
    p4[numstable] = EvtParticle::_NextLevelP4[3];     
    if (debug) std::cout<<"FromParent: p+ p4[numstable] = "<<p4[numstable]<<std::endl;
    numstable++;
  }
  if(p->getId()==antiLambdaId) {
    if (debug) std::cout<<"anti-Lambda0's parent id:"<<p->getParent()->getId()<<" p4 ="<<p->getParent()->getP4()<<std::endl;
    //pi+
    evtnumstable[numstable]=EvtPDL::evtIdFromStdHep(211);                    
    p4[numstable] = EvtParticle::_NextLevelP4[0];     
    if (debug) std::cout<<"FromParent: pi+ p4[numstable] = "<<p4[numstable]<<std::endl;
    numstable++;  
    //pbar
    evtnumstable[numstable]=EvtPDL::evtIdFromStdHep(-2212);
    p4[numstable] = EvtParticle::_NextLevelP4[1];     
    if (debug) std::cout<<"FromParent: anti-p- p4[numstable] = "<<p4[numstable]<<std::endl;
    numstable++;
  }
  p->makeDaughters(numstable,evtnumstable);
  int ndaugFound=0;
  for(int i=0;i<numstable;i++){
    p->getDaug(i)->init(evtnumstable[i],p4[i]);
    ndaugFound++;
  }
  if ( ndaugFound == 0 ) {
    report(ERROR,"EvtGen") << "Phokhara has failed to do a decay ";
    report(ERROR,"EvtGen") << EvtPDL::name(p->getId()).c_str() << " " << p->mass()<<endl;
    assert(0);
  }
  if(p->getId()==LambdaId) {
    //int channel=EvtDecayTable::inChannelList(p->getId(),numstable,evtnumstable);    
    //more=(channel!=-1)&&(channel!=0);
    //if(more) { std::cout<<"EvtFromParent:Existence of mode "<<channel<<" in exclusive decay list has the same final state as this one"<<std::endl;abort(); }
  
    if (debug)std::cout<<"EvtFromParent Lambda0's parent id:"<<p->getParent()->getId()<<" p4 ="<<p->getParent()->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: part p4"<<p->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: Daug0 p4"<<p->getDaug(0)->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: Daug1 p4"<<p->getDaug(1)->getP4Lab()<<std::endl;
  }
  if(p->getId()==antiLambdaId) {
   // int channel=EvtDecayTable::inChannelList(p->getId(),numstable,evtnumstable);    
    //more=(channel!=0);
    //if(more) { std::cout<<"EvtFromParent:Existence of mode "<<channel<<" in exclusive decay list has the same final state as this one"<<std::endl;abort(); }
  
    if (debug)std::cout<<"EvtFromParent antiLambda0's parent id:"<<p->getParent()->getId()<<" p4 ="<<p->getParent()->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: part p4"<<p->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: Daug0 p4"<<p->getDaug(0)->getP4Lab()<<std::endl;
    if (debug)std::cout<<"EvtFromParent SUMMARY: Daug1 p4"<<p->getDaug(1)->getP4Lab()<<std::endl;
  }
  }
  return ;
 
 
 
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 42 of file EvtFromParent.cc.

                                                {
 
  model_name="FromParent";     
 
}

init()

void EvtFromParent::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 55 of file EvtFromParent.cc.

                        {
 
  // check that there are 0 arguments
  checkNArg(0);
 
}

initProbMax()

void EvtFromParent::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 62 of file EvtFromParent.cc.

                               {
 
  noProbMax();
 
}

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

• EvtFromParent.hh
• EvtFromParent.cc