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 11 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 34 of file EvtD0Toa0enu.cc.

{ return new EvtD0Toa0enu; }

decay()

void EvtD0Toa0enu::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 80 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 36 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 78 of file EvtD0Toa0enu.cc.

{ setProbMax( ProbMax ); }

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

• EvtD0Toa0enu.hh
• EvtD0Toa0enu.cc