EvtD0Toa0enu Class Reference

#include <EvtD0Toa0enu.hh>

Inheritance diagram for EvtD0Toa0enu:

Public Member Functions
	EvtD0Toa0enu ()
virtual	~EvtD0Toa0enu ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	init ()
void	initProbMax ()
void	decay (EvtParticle *p)
Public Member Functions inherited from EvtDecayProb
void	makeDecay (EvtParticle *p)
void	setProb (double prob)
double	getProb ()
void	setWeight (double weight)
virtual	~EvtDecayProb ()
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 8 of file EvtD0Toa0enu.hh.

Constructor & Destructor Documentation

EvtD0Toa0enu()

EvtD0Toa0enu::EvtD0Toa0enu ( )

inline

Definition at line 12 of file EvtD0Toa0enu.hh.

{}

Referenced by clone().

~EvtD0Toa0enu()

EvtD0Toa0enu::~EvtD0Toa0enu ( )

virtual

Definition at line 30 of file EvtD0Toa0enu.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0Toa0enu::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 36 of file EvtD0Toa0enu.cc.

                                 {
   return new EvtD0Toa0enu;
}

decay()

void EvtD0Toa0enu::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 86 of file EvtD0Toa0enu.cc.

                                       {
/*
   double maxprob = 0.0;
   for(int ir=0;ir<=60000000;ir++){
      p->initializePhaseSpace(getNDaug(),getDaugs());
      EvtVector4R _pi1 = p->getDaug(0)->getP4();
      EvtVector4R _pi2 = p->getDaug(1)->getP4();
      EvtVector4R _e   = p->getDaug(2)->getP4();
      EvtVector4R _nu  = p->getDaug(3)->getP4();
 
      int pid = EvtPDL::getStdHep(p->getDaug(2)->getId());
      int charm;
      if(pid == 11) charm = -1;
      else charm = 1;
      double m2, q2, cosV, cosL, chi;
      KinVGen(_pi1, _pi2, _e, _nu, charm, m2, q2, cosV, cosL, chi);
      double _prob = calPDF(m2, q2, cosV, cosL, chi);
      if(_prob>maxprob) {
          maxprob=_prob;
          std::cout << "Max PDF = " << ir << " charm= " << charm << " prob= " << _prob << std::endl;
      }
   } 
   std::cout << "Max!!!!!!!!!!! " << maxprob<< std::endl;
*/
   p->initializePhaseSpace(getNDaug(),getDaugs());
   EvtVector4R pi1 = p->getDaug(0)->getP4();
   EvtVector4R pi2 = p->getDaug(1)->getP4();
   EvtVector4R e   = p->getDaug(2)->getP4();
   EvtVector4R nu  = p->getDaug(3)->getP4();
 
   int pid = EvtPDL::getStdHep(p->getDaug(2)->getId());
   int charm;
   if(pid==11||pid==13) charm =-1;
   else charm = 1;
   double m2, q2, cosV, cosL, chi;
   KinVGen(pi1, pi2, e, nu, charm, m2, q2, cosV, cosL, chi);
   double prob = calPDF(m2, q2, cosV, cosL, chi);
   setProb(prob);
   return;
}

getName()

void EvtD0Toa0enu::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 32 of file EvtD0Toa0enu.cc.

                                               {
   model_name="D0Toa0enu";
}

init()

void EvtD0Toa0enu::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 40 of file EvtD0Toa0enu.cc.

                       {
   checkNArg(0);
   checkNDaug(4);
   checkSpinParent(EvtSpinType::SCALAR);
   checkSpinDaughter(0,EvtSpinType::SCALAR);
   checkSpinDaughter(1,EvtSpinType::SCALAR);
 
 
   mode = 0;  // D0 
   ProbMax = 15.55;
 
   //std::cout << "Initializing EvtD0Toa0enu (D0 -> a0(980)- e+ nu_e) ProbMax = " << ProbMax << std::endl;
 
   double m_Kaon = 0.493677;
   m2_Kaon = m_Kaon*m_Kaon;
   double m_K0 = 0.497614;
   m2_K0 = m_K0*m_K0;
   double m_eta  = 0.547853;
   m2_eta = m_eta*m_eta;
   double m_Pion = 0.13957;
   m2_Pion = m_Pion*m_Pion;
   double m_Pi0 = 0.1349766;
   m2_Pi0 = m_Pi0*m_Pi0;
   m_D0 = 1.86486;
   m2_D0 = m_D0*m_D0;
   m_D = 1.86962;
   m2_D = m_D*m_D;
 
   ciR = EvtComplex(1.0, 0.0);
   ciM = EvtComplex(0.0, 1.0);
 
   ///////////// for D to a0 e nu
   double mAD0  = 2.42;
   m2AD0 = mAD0*mAD0;
   double mAD  = 2.42;
   m2AD = mAD*mAD;
   double m_a0  = 0.990;
   m2_a0 = m_a0*m_a0;
   flatte_g1 = 0.341;
   flatte_g2 = 0.341*0.892;
}

initProbMax()

void EvtD0Toa0enu::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 82 of file EvtD0Toa0enu.cc.

                               {
   setProbMax(ProbMax);
}

---

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

• EvtD0Toa0enu.hh
• EvtD0Toa0enu.cc