EvtD0Topipipi0 Class Reference

#include <EvtD0Topipipi0.hh>

Inheritance diagram for EvtD0Topipipi0:

Public Member Functions
	EvtD0Topipipi0 ()
virtual	~EvtD0Topipipi0 ()
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 30 of file EvtD0Topipipi0.hh.

Constructor & Destructor Documentation

EvtD0Topipipi0()

EvtD0Topipipi0::EvtD0Topipipi0 ( )

inline

Definition at line 33 of file EvtD0Topipipi0.hh.

{}

Referenced by clone().

~EvtD0Topipipi0()

EvtD0Topipipi0::~EvtD0Topipipi0 ( )

virtual

Definition at line 42 of file EvtD0Topipipi0.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0Topipipi0::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 46 of file EvtD0Topipipi0.cc.

{ return new EvtD0Topipipi0; }

decay()

void EvtD0Topipipi0::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 160 of file EvtD0Topipipi0.cc.

                                           {
  /*
     double maxprob = 0.0;
     for(int ir=0;ir<=60000000;ir++){
        p->initializePhaseSpace(getNDaug(),getDaugs());
        for(int i=0; i<_nd; i++){
            _p4Lab[i]=p->getDaug(i)->getP4Lab();
            _p4CM[i]=p->getDaug(i)->getP4();
        }
        double Prob = AmplitudeSquare(charm, tagmode);
        if(Prob>maxprob) {
            maxprob=Prob;
            std::cout << "Max PDF = " << ir << " prob= " << Prob << std::endl;
        }
     }
     std::cout << "Max!!!!!!!!!!! " << maxprob<< std::endl;
  */
  p->initializePhaseSpace( getNDaug(), getDaugs() );
  for ( int i = 0; i < _nd; i++ )
  {
    _p4Lab[i] = p->getDaug( i )->getP4Lab();
    _p4CM[i]  = p->getDaug( i )->getP4();
  }
  double prob = AmplitudeSquare( charm, tagmode );
  setProb( prob );
  return;
}

getName()

void EvtD0Topipipi0::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 44 of file EvtD0Topipipi0.cc.

{ model_name = "D0Topipipi0"; }

init()

void EvtD0Topipipi0::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 48 of file EvtD0Topipipi0.cc.

                          {
  checkNArg( 2 );
  checkNDaug( 3 );
  charm   = getArg( 0 );
  tagmode = getArg( 1 );
  // std::cout << "Initializing EvtD0Topipipi0: charm= "<<charm<<" tagmode=
  // "<<tagmode<<std::endl;
 
  g_uv.clear();
  for ( int i = 0; i < 4; i++ )
  {
    for ( int j = 0; j < 4; j++ )
    {
      if ( i != j ) { g_uv.push_back( 0.0 ); }
      else if ( i < 3 ) { g_uv.push_back( -1.0 ); }
      else if ( i == 3 ) { g_uv.push_back( 1.0 ); }
    }
  }
 
  epsilon_uvmn.clear();
  for ( int i = 0; i < 4; i++ )
  {
    for ( int j = 0; j < 4; j++ )
    {
      for ( int k = 0; k < 4; k++ )
      {
        for ( int l = 0; l < 4; l++ )
        {
          if ( i == j || i == k || i == l || j == k || j == l || k == l )
          { epsilon_uvmn.push_back( 0.0 ); }
          else
          {
            if ( i == 0 && j == 1 && k == 2 && l == 3 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 0 && j == 1 && k == 3 && l == 2 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 0 && j == 2 && k == 1 && l == 3 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 0 && j == 2 && k == 3 && l == 1 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 0 && j == 3 && k == 1 && l == 2 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 0 && j == 3 && k == 2 && l == 1 ) epsilon_uvmn.push_back( -1.0 );
 
            if ( i == 1 && j == 0 && k == 2 && l == 3 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 1 && j == 0 && k == 3 && l == 2 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 1 && j == 2 && k == 0 && l == 3 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 1 && j == 2 && k == 3 && l == 0 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 1 && j == 3 && k == 0 && l == 2 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 1 && j == 3 && k == 2 && l == 0 ) epsilon_uvmn.push_back( 1.0 );
 
            if ( i == 2 && j == 0 && k == 1 && l == 3 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 2 && j == 0 && k == 3 && l == 1 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 2 && j == 1 && k == 0 && l == 3 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 2 && j == 1 && k == 3 && l == 0 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 2 && j == 3 && k == 0 && l == 1 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 2 && j == 3 && k == 1 && l == 0 ) epsilon_uvmn.push_back( -1.0 );
 
            if ( i == 3 && j == 0 && k == 1 && l == 2 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 3 && j == 0 && k == 2 && l == 1 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 3 && j == 1 && k == 0 && l == 2 ) epsilon_uvmn.push_back( 1.0 );
            if ( i == 3 && j == 1 && k == 2 && l == 0 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 3 && j == 2 && k == 0 && l == 1 ) epsilon_uvmn.push_back( -1.0 );
            if ( i == 3 && j == 2 && k == 1 && l == 0 ) epsilon_uvmn.push_back( 1.0 );
          }
        }
      }
    }
  }
 
  _nd       = 3;
  math_pi   = 3.1415926;
  mass_Pion = 0.13957;
 
  rRes   = 3.0 * 0.197321;
  rD     = 5.0 * 0.197321;
  m_Pi   = mass_Pion;
  m2_Pi  = m_Pi * m_Pi;
  m_Pi0  = 0.134977;
  m2_Pi0 = m_Pi0 * m_Pi0;
 
  m0_rho7700 = 0.77526;
  w0_rho7700 = 0.1478;
 
  m0_rho770p = 0.77511;
  w0_rho770p = 0.1491;
 
  m0_f21270 = 1.2755;
  w0_f21270 = 0.1867;
 
  s0_prod = -5.0;
 
  fitpara.clear();
  fitpara.push_back( complex<double>( 100, 0 ) );
  fitpara.push_back( complex<double>( 69.8939 * cos( 3.14983 ), 69.8939 * sin( 3.14983 ) ) );
  fitpara.push_back( complex<double>( 58.521 * cos( -2.90685 ), 58.521 * sin( -2.90685 ) ) );
  fitpara.push_back(
      complex<double>( 483.035 * cos( -0.679009 ), 483.035 * sin( -0.679009 ) ) );
  fitpara.push_back(
      complex<double>( 441.921 * cos( -0.879847 ), 441.921 * sin( -0.879847 ) ) );
  fitpara.push_back(
      complex<double>( 1356.95 * cos( -0.206653 ), 1356.95 * sin( -0.206653 ) ) );
  fitpara.push_back( complex<double>( 559.218 * cos( 0.501728 ), 559.218 * sin( 0.501728 ) ) );
  fitpara.push_back( complex<double>( 3165.25 * cos( 3.39939 ), 3165.25 * sin( 3.39939 ) ) );
  fitpara.push_back( complex<double>( 1422.93 * cos( 3.05347 ), 1422.93 * sin( 3.05347 ) ) );
  fitpara.push_back( complex<double>( 2399.8 * cos( 2.24983 ), 2399.8 * sin( 2.24983 ) ) );
  fitpara.push_back( complex<double>( 4601.19 * cos( 2.74388 ), 4601.19 * sin( 2.74388 ) ) );
  fitpara.push_back( complex<double>( 1684.1 * cos( 1.99894 ), 1684.1 * sin( 1.99894 ) ) );
  fitpara.push_back(
      complex<double>( 678.674 * cos( -2.510691 ), 678.674 * sin( -2.510691 ) ) );
  fitpara.push_back( complex<double>( 2.19068 * cos( 0.991805 ), 2.19068 * sin( 0.991805 ) ) );
 
  return;
}

initProbMax()

void EvtD0Topipipi0::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 158 of file EvtD0Topipipi0.cc.

{ setProbMax( 60000000 ); }

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

• EvtD0Topipipi0.hh
• EvtD0Topipipi0.cc