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 11 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 33 of file EvtDsTophienu.cc.

{ return new EvtDsTophienu; }

decay()

void EvtDsTophienu::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 79 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 35 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 77 of file EvtDsTophienu.cc.

{ setProbMax( 240000.0 ); }

---

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

• EvtDsTophienu.hh
• EvtDsTophienu.cc