EvtD0ToKpiEtap Class Reference

#include <EvtD0ToKpiEtap.hh>

Inheritance diagram for EvtD0ToKpiEtap:

Public Member Functions
	EvtD0ToKpiEtap ()
virtual	~EvtD0ToKpiEtap ()
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 9 of file EvtD0ToKpiEtap.hh.

Constructor & Destructor Documentation

EvtD0ToKpiEtap()

EvtD0ToKpiEtap::EvtD0ToKpiEtap ( )

inline

Definition at line 12 of file EvtD0ToKpiEtap.hh.

{}

Referenced by clone().

~EvtD0ToKpiEtap()

EvtD0ToKpiEtap::~EvtD0ToKpiEtap ( )

virtual

Definition at line 31 of file EvtD0ToKpiEtap.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0ToKpiEtap::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 37 of file EvtD0ToKpiEtap.cc.

                                   {
    return new EvtD0ToKpiEtap;
}

decay()

void EvtD0ToKpiEtap::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 92 of file EvtD0ToKpiEtap.cc.

                                         {
 
    // This piece of code could in principle be used to calculate maximum
    // probablity on fly. But as it uses high number of points and model
    // deals with single final state, we keep hardcoded number for now rather
    // than adapting code to work here.
/*
    double maxprob = 0.0;
    for(int ir=0;ir<=60000000;ir++){
      p->initializePhaseSpace(getNDaug(),getDaugs());
      EvtVector4R D1 = p->getDaug(0)->getP4();
      EvtVector4R D2 = p->getDaug(1)->getP4();
      EvtVector4R D3 = p->getDaug(2)->getP4();
 
      double P1[4], P2[4], P3[4];
      P1[0] = D1.get(0); P1[1] = D1.get(1); P1[2] = D1.get(2); P1[3] = D1.get(3);
      P2[0] = D2.get(0); P2[1] = D2.get(1); P2[2] = D2.get(2); P2[3] = D2.get(3);
      P3[0] = D3.get(0); P3[1] = D3.get(1); P3[2] = D3.get(2); P3[3] = D3.get(3);
 
      double value;
          int g0[3]={0,1,1};
          int spin[3]={0,1,1};
          int nstates=3;
          calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
      if(value>maxprob) {
        maxprob=value;
        cout << "ir = " << ir << " maxProb= " << value << endl;
      }
    }
    cout << "maxProb = " << maxprob << endl;
*/         
    p->initializePhaseSpace(getNDaug(),getDaugs());
    EvtVector4R D1 = p->getDaug(0)->getP4();
    EvtVector4R D2 = p->getDaug(1)->getP4();
    EvtVector4R D3 = p->getDaug(2)->getP4();
 
    double P1[4], P2[4], P3[4];
    P1[0] = D1.get(0); P1[1] = D1.get(1); P1[2] = D1.get(2); P1[3] = D1.get(3);
    P2[0] = D2.get(0); P2[1] = D2.get(1); P2[2] = D2.get(2); P2[3] = D2.get(3);
    P3[0] = D3.get(0); P3[1] = D3.get(1); P3[2] = D3.get(2); P3[3] = D3.get(3);
 
    double value;
    int g0[3]={0,1,1};
    int spin[3]={0,1,1};
    int nstates=3;
    calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
 
    setProb(value);
    return ;
}

getName()

void EvtD0ToKpiEtap::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 33 of file EvtD0ToKpiEtap.cc.

                                                 {
    model_name="D0ToKpiEtap";
}

init()

void EvtD0ToKpiEtap::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 40 of file EvtD0ToKpiEtap.cc.

                         {
    checkNArg(0);
    checkNDaug(3);
    checkSpinParent(EvtSpinType::SCALAR);
    checkSpinDaughter(0,EvtSpinType::SCALAR);
    checkSpinDaughter(1,EvtSpinType::SCALAR);
    checkSpinDaughter(2,EvtSpinType::SCALAR);
 
    phi[0] =  0.0;
    rho[0] =  1.0;
    phi[1] = 3.7295;
    rho[1] = 2.2532e-01; //892
    phi[2] = 0.6890853;
    rho[2] = 1.6780e+00;//1680
    modetype[0]= 132;
    modetype[1]= 12;
    modetype[2]= 12;
 
    mass[2] = 1.718;
    mass[1] = 0.89555;
    width[2]= 0.322;
    width[1]= 0.0473;
    mass[0] = 1.414;
    width[0]= 0.232;
    const double mk0 = 0.497614;
    const double mass_Kaon = 0.49368;
    const double mass_Pion = 0.13957;
    const double mass_Pi0 = 0.1349766;
    const double meta = 0.547862;
    const double metap = 0.95778;
    mpi = 0.13957;
    mD  = 1.86486;
        mDs = 1.9683;
        rRes= 9.0;
        rD  = 5.0;
        math_pi = 3.1415926;    
    GS1 = 0.636619783;
    GS2 = 0.01860182466;
    GS3 = 0.1591549458;   //  1/(2*math_2pi)
    GS4 = 0.00620060822;  //  mass_Pion2/math_pi
 
    int GG[4][4] = { {1,0,0,0}, {0,-1,0,0}, {0,0,-1,0}, {0,0,0,-1} };
    for (int i=0; i<4; i++) {
       for (int j=0; j<4; j++) {
        G[i][j] = GG[i][j];
       }
    }
}

initProbMax()

void EvtD0ToKpiEtap::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 88 of file EvtD0ToKpiEtap.cc.

                                 {
    setProbMax(2.72);
}

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

• EvtD0ToKpiEtap.hh
• EvtD0ToKpiEtap.cc