EvtD0ToKKpipi Class Reference

#include <EvtD0ToKKpipi.hh>

Inheritance diagram for EvtD0ToKKpipi:

Public Member Functions
	EvtD0ToKKpipi ()
virtual	~EvtD0ToKKpipi ()
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 EvtD0ToKKpipi.hh.

Constructor & Destructor Documentation

EvtD0ToKKpipi()

EvtD0ToKKpipi::EvtD0ToKKpipi ( )

inline

Definition at line 10 of file EvtD0ToKKpipi.hh.

{}

Referenced by clone().

~EvtD0ToKKpipi()

EvtD0ToKKpipi::~EvtD0ToKKpipi ( )

virtual

Definition at line 35 of file EvtD0ToKKpipi.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0ToKKpipi::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 39 of file EvtD0ToKKpipi.cc.

{ return new EvtD0ToKKpipi; }

decay()

void EvtD0ToKKpipi::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 54 of file EvtD0ToKKpipi.cc.

                                          {
  /*
    double maxprob=0;
    for(int ir=0;ir<=60000000;ir++){
       p->initializePhaseSpace(getNDaug(),getDaugs());
       EvtVector4R Kp  = p->getDaug(0)->getP4();
       EvtVector4R Km  = p->getDaug(1)->getP4();
       EvtVector4R pip = p->getDaug(2)->getP4();
       EvtVector4R pim = p->getDaug(3)->getP4();
 
       int id = EvtPDL::getStdHep(p->getId());
       int charm;
       if(id > 0) charm = 1;
       else charm = -1;
 
       double X[16];
       std::complex<double> Total_amp;
       if (charm==1) {
          X[0] =  Kp.get(1); X[4] =  Km.get(1); X[8]  =  pip.get(1); X[12] =  pim.get(1);
          X[1] =  Kp.get(2); X[5] =  Km.get(2); X[9]  =  pip.get(2); X[13] =  pim.get(2);
          X[2] =  Kp.get(3); X[6] =  Km.get(3); X[10] =  pip.get(3); X[14] =  pim.get(3);
          X[3] =  Kp.get(0); X[7] =  Km.get(0); X[11] =  pip.get(0); X[15] =  pim.get(0);
          Total_amp = AMP(X, 1);
       } else {
          X[0] = -Km.get(1); X[4] = -Kp.get(1); X[8]  = -pim.get(1); X[12] = -pip.get(1);
          X[1] = -Km.get(2); X[5] = -Kp.get(2); X[9]  = -pim.get(2); X[13] = -pip.get(2);
          X[2] = -Km.get(3); X[6] = -Kp.get(3); X[10] = -pim.get(3); X[14] = -pip.get(3);
          X[3] =  Km.get(0); X[7] =  Kp.get(0); X[11] =  pim.get(0); X[15] =  pip.get(0);
          Total_amp = AMP(X,1);
       }
       double value1 = std::norm(Total_amp);
       if(value1>maxprob) {
          maxprob=value1;
          cout << ir << " max= " << maxprob << endl;
       }
    }
    cout << "Maxprob= " << maxprob << endl;
  */
  p->initializePhaseSpace( getNDaug(), getDaugs() );
  EvtVector4R Kp  = p->getDaug( 0 )->getP4();
  EvtVector4R Km  = p->getDaug( 1 )->getP4();
  EvtVector4R pip = p->getDaug( 2 )->getP4();
  EvtVector4R pim = p->getDaug( 3 )->getP4();
 
  int id = EvtPDL::getStdHep( p->getId() );
  int charm;
  if ( id > 0 ) charm = 1;
  else charm = -1;
 
  double               X[16];
  std::complex<double> Total_amp;
  if ( charm == 1 )
  {
    X[0]      = Kp.get( 1 );
    X[4]      = Km.get( 1 );
    X[8]      = pip.get( 1 );
    X[12]     = pim.get( 1 );
    X[1]      = Kp.get( 2 );
    X[5]      = Km.get( 2 );
    X[9]      = pip.get( 2 );
    X[13]     = pim.get( 2 );
    X[2]      = Kp.get( 3 );
    X[6]      = Km.get( 3 );
    X[10]     = pip.get( 3 );
    X[14]     = pim.get( 3 );
    X[3]      = Kp.get( 0 );
    X[7]      = Km.get( 0 );
    X[11]     = pip.get( 0 );
    X[15]     = pim.get( 0 );
    Total_amp = AMP( X, 1 );
  }
  else
  {
    X[0]      = -Km.get( 1 );
    X[4]      = -Kp.get( 1 );
    X[8]      = -pim.get( 1 );
    X[12]     = -pip.get( 1 );
    X[1]      = -Km.get( 2 );
    X[5]      = -Kp.get( 2 );
    X[9]      = -pim.get( 2 );
    X[13]     = -pip.get( 2 );
    X[2]      = -Km.get( 3 );
    X[6]      = -Kp.get( 3 );
    X[10]     = -pim.get( 3 );
    X[14]     = -pip.get( 3 );
    X[3]      = Km.get( 0 );
    X[7]      = Kp.get( 0 );
    X[11]     = pim.get( 0 );
    X[15]     = pip.get( 0 );
    Total_amp = AMP( X, 1 );
  }
  double value = std::norm( Total_amp );
  setProb( value );
  return;
}

getName()

void EvtD0ToKKpipi::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 37 of file EvtD0ToKKpipi.cc.

{ model_name = "D0ToKKpipi"; }

init()

void EvtD0ToKKpipi::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 41 of file EvtD0ToKKpipi.cc.

                         {
  checkNArg( 0 );
  checkNDaug( 4 );
  checkSpinParent( EvtSpinType::SCALAR );
  checkSpinDaughter( 0, EvtSpinType::SCALAR );
  checkSpinDaughter( 1, EvtSpinType::SCALAR );
  checkSpinDaughter( 2, EvtSpinType::SCALAR );
  checkSpinDaughter( 3, EvtSpinType::SCALAR );
  // cout << "Initializing D0ToKKpipi" << endl;
}

initProbMax()

void EvtD0ToKKpipi::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 52 of file EvtD0ToKKpipi.cc.

{ setProbMax( 33.0 ); }

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

• EvtD0ToKKpipi.hh
• EvtD0ToKKpipi.cc