EvtDsTophienu Class Reference

#include <EvtDsTophienu.hh>

Inheritance diagram for EvtDsTophienu:

Public Member Functions
	EvtDsTophienu ()
virtual	~EvtDsTophienu ()
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 EvtDsTophienu.hh.

Constructor & Destructor Documentation

EvtDsTophienu()

EvtDsTophienu::EvtDsTophienu ( )

inline

Definition at line 12 of file EvtDsTophienu.hh.

{}

Referenced by clone().

~EvtDsTophienu()

EvtDsTophienu::~EvtDsTophienu ( )

virtual

Definition at line 29 of file EvtDsTophienu.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtDsTophienu::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 35 of file EvtDsTophienu.cc.

                                  {
   return new EvtDsTophienu;
}

decay()

void EvtDsTophienu::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 85 of file EvtDsTophienu.cc.

                                        {
/*
   double maxprob = 0.0;
   for(int ir=0;ir<=60000000;ir++){
      p->initializePhaseSpace(getNDaug(),getDaugs());
      EvtVector4R _pip = p->getDaug(0)->getP4(); // pi+
      EvtVector4R _pim = p->getDaug(1)->getP4(); // pi-
      EvtVector4R _pi0 = p->getDaug(2)->getP4(); // pi0
      EvtVector4R _e   = p->getDaug(3)->getP4(); // e+
      EvtVector4R _nu  = p->getDaug(4)->getP4(); // nu
      int pid = EvtPDL::getStdHep(p->getDaug(3)->getId());
      int charm;
      if(pid == -11) charm = 1;
      else charm = -1;
      double m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V;
 
      KinVGen(_pip, _pim, _pi0, _e, _nu, charm, m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V);
      double _prob = calPDF(m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V);
      if(_prob>=maxprob) {
          maxprob=_prob;
          std::cout << ir << " prob= " << _prob << std::endl;
          cout << "EvtVector4R pip" << _pip << ";"<< endl;
          cout << "EvtVector4R pim" << _pim << ";"<< endl;
          cout << "EvtVector4R pi0" << _pi0 << ";"<< endl;
          cout << "EvtVector4R e"   << _e   << ";"<< endl;
          cout << "EvtVector4R nu"  << _nu  << ";"<< endl;
      }
   } 
   std::cout << "Max!!!!!!!!!!! " << maxprob<< std::endl;
*/
   p->initializePhaseSpace(getNDaug(),getDaugs());
   EvtVector4R pip = p->getDaug(0)->getP4();
   EvtVector4R pim = p->getDaug(1)->getP4();
   EvtVector4R pi0 = p->getDaug(2)->getP4();
   EvtVector4R e   = p->getDaug(3)->getP4();
   EvtVector4R nu  = p->getDaug(4)->getP4();
 
   int pid = EvtPDL::getStdHep(p->getDaug(3)->getId());
   int charm;
   if(pid == -11) charm = 1;
   else charm = -1;
   double m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V;
   KinVGen(pip, pim, pi0, e, nu, charm, m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V);
   double prob = calPDF(m2, q2, cosV, cosL, chi, s12, s13, s23, spin_V);
   setProb(prob);
   return;
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 31 of file EvtDsTophienu.cc.

                                                {
   model_name="DsTophienu";
}

init()

void EvtDsTophienu::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 39 of file EvtDsTophienu.cc.

                        {
   checkNArg(0);
   checkNDaug(5);  //  Ds+ -> pi+ pi- pi0 e+ nu
                   //  0   -> 1   2   3   4  5
   checkSpinParent(EvtSpinType::SCALAR);
   checkSpinDaughter(0,EvtSpinType::SCALAR);
   checkSpinDaughter(1,EvtSpinType::SCALAR);
   checkSpinDaughter(2,EvtSpinType::SCALAR);
 
   std::cout << "Initializing EvtDsTophienu" << std::endl;
   mV = 1.81;
   mA = 2.61;
   V_0 = 1.411;
   A1_0 = 1;
   A2_0 = 0.788;
   mV2 = mV*mV;
   mA2 = mA*mA;
 
   m_phi = 1.019461;    // phi
   w_phi = 0.004249;
   m_rho = 0.77526;     // rho
   w_rho = 0.14910;
   rBW = 3.0;
   rBW2 = rBW*rBW;
   mw_phi = m_phi*w_phi;
   m2_phi = m_phi*m_phi;
   m2_rho = m_rho*m_rho;
 
   mDs  = 1.9683;
   m2Ds = mDs*mDs;
   mpi  = 0.13957;
   m2pi  = mpi*mpi;
   mpi0  = 0.1349766;
   m2pi0 = mpi0*mpi0;
 
   Pi      = atan2(0.0,-1.0);
   root2   = sqrt(2.);
   root2d3 = sqrt(2./3);
   root1d2 = sqrt(0.5);
   root3d2 = sqrt(1.5);
}

initProbMax()

void EvtDsTophienu::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 81 of file EvtDsTophienu.cc.

                                {
   setProbMax(240000.0);
}

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

• EvtDsTophienu.hh
• EvtDsTophienu.cc