EvtLambdac2pKpi Class Reference

#include <EvtLambdac2pKpi.hh>

Inheritance diagram for EvtLambdac2pKpi:

Public Member Functions
	EvtLambdac2pKpi ()
virtual	~EvtLambdac2pKpi ()
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 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 36 of file EvtLambdac2pKpi.hh.

Constructor & Destructor Documentation

EvtLambdac2pKpi()

EvtLambdac2pKpi::EvtLambdac2pKpi ( )

inline

Definition at line 40 of file EvtLambdac2pKpi.hh.

{}

Referenced by clone().

~EvtLambdac2pKpi()

EvtLambdac2pKpi::~EvtLambdac2pKpi ( )

virtual

Definition at line 25 of file EvtLambdac2pKpi.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtLambdac2pKpi::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 33 of file EvtLambdac2pKpi.cc.

                                    {
 
  return new EvtLambdac2pKpi;
 
}

decay()

void EvtLambdac2pKpi::decay ( EvtParticle *  p )

virtual

Implements EvtDecayBase.

Definition at line 82 of file EvtLambdac2pKpi.cc.

                                           {
 
  double weight = p->initializePhaseSpace(getNDaug(),getDaugs());
  int rdm= (int)Evt.size()*EvtRandom::Flat(0.0,1.0);
  //debugging
  //std::cout<<"rdm= "<<rdm<<" "<<Evt.size()<<std::endl;
 
  if(Evt.size()==0) {std::cout<<"EvtLambdac2pKpi: out of stored file record"<<std::endl;abort();}
  for(int i=0;i<nParticles;i++){
    EvtParticle* daug=p->getDaug(i);
    daug->init(daug->getId(),Evt[rdm][i]);
  }
  // std::cout<<p->getDaug(0)->getP4()<<p->getDaug(1)->getP4()<<p->getDaug(2)->getP4()<<std::endl;
 
  return ;
}

getName()

void EvtLambdac2pKpi::getName ( std::string &  name )

virtual

Implements EvtDecayBase.

Definition at line 27 of file EvtLambdac2pKpi.cc.

                                                  {
 
  model_name="Lambdac2pKpi";     
 
}

init()

void EvtLambdac2pKpi::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 40 of file EvtLambdac2pKpi.cc.

                          {
 
  // check that there are 0 arguments
  checkNArg(0);
  bool idp  = getDaugs()[0]==EvtPDL::getId(std::string("p+"))  || getDaugs()[0]==EvtPDL::getId(std::string("anti-p-"));
  bool idk  = getDaugs()[1]==EvtPDL::getId(std::string("K+"))  || getDaugs()[1]==EvtPDL::getId(std::string("K-")) || getDaugs()[1]==EvtPDL::getId(std::string("K_S0"));;
  bool idpi = getDaugs()[2]==EvtPDL::getId(std::string("pi+")) || getDaugs()[2]==EvtPDL::getId(std::string("pi-"))|| getDaugs()[2]==EvtPDL::getId(std::string("pi0"));
  if(!(idp && idk && idpi ) ){std::cout<<"EvtLambdac2pKpi: the daughter sequence should be p K pi"<<std::endl;abort();}
  std::vector<EvtVector4R> vp4;
  m_inputFileName=getenv("BESEVTGENROOT");
  m_inputFileName +="/src/EvtGen/EvtGenModels/EvtLambdac2pKpi.dat";
  //  m_inputFileName="EvtLambdac2pKpi.dat";
  m_inputFile.open(m_inputFileName.c_str());
  if (!m_inputFile){
    cout << "EvtLambdac2pKpi: PROBLEMS OPENING FILE "
         << m_inputFileName << endl;
    exit(0);
  }
  nParticles=3; //number of daughters
  Ntot = 100000; //number of events stored in the file m_puthFileName  
  Evt.clear();
  for(int h=0;h<Ntot;h++){
    vp4.clear();
    for (int i = 0; i < nParticles; i++){
      EvtVector4R p4;
      m_inputFile >> pxParticle;  p4.set(1,pxParticle);
      m_inputFile >> pyParticle;  p4.set(2,pyParticle);
      m_inputFile >> pzParticle;  p4.set(3,pzParticle);
      m_inputFile >> eParticle;   p4.set(0,eParticle);
      vp4.push_back(p4);
    }
    Evt.push_back(vp4);
  }
 
}

initProbMax()

void EvtLambdac2pKpi::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 76 of file EvtLambdac2pKpi.cc.

                                 {
 
  noProbMax();
 
}

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

• EvtLambdac2pKpi.hh
• EvtLambdac2pKpi.cc