EvtDToPiPi0Etap Class Reference

#include <EvtDToPiPi0Etap.hh>

Inheritance diagram for EvtDToPiPi0Etap:

Public Member Functions
	EvtDToPiPi0Etap ()
virtual	~EvtDToPiPi0Etap ()
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 EvtDToPiPi0Etap.hh.

Constructor & Destructor Documentation

EvtDToPiPi0Etap()

EvtDToPiPi0Etap::EvtDToPiPi0Etap ( )

inline

Definition at line 13 of file EvtDToPiPi0Etap.hh.

{}

Referenced by clone().

~EvtDToPiPi0Etap()

EvtDToPiPi0Etap::~EvtDToPiPi0Etap ( )

virtual

Definition at line 32 of file EvtDToPiPi0Etap.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtDToPiPi0Etap::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 38 of file EvtDToPiPi0Etap.cc.

                                    {
    return new EvtDToPiPi0Etap;
}

decay()

void EvtDToPiPi0Etap::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 92 of file EvtDToPiPi0Etap.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[2]={1,0};
        int spin[2]={1,2};
        int nstates=2;
        
        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 << "The 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[2]={1,0};
    int spin[2]={1,2};
    int nstates=2;
    calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
 
    setProb(value);
    return ;
}

getName()

void EvtDToPiPi0Etap::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 34 of file EvtDToPiPi0Etap.cc.

                                                  {
    model_name = "DToPiPi0Etap";
}

init()

void EvtDToPiPi0Etap::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 42 of file EvtDToPiPi0Etap.cc.

                          {
    
    checkNArg(0);
    checkNDaug(3);
    checkSpinParent(EvtSpinType::SCALAR);
    checkSpinDaughter(0,EvtSpinType::SCALAR);
    checkSpinDaughter(1,EvtSpinType::SCALAR);
    checkSpinDaughter(2,EvtSpinType::SCALAR);
 
    modetype[0] = 12;
    modetype[1] = 12;
    rho[0] = 1.0;           // rho+
    phi[0] = 0.0;   
    rho[1] = 8.3996e+00;    // (Pi+Pi0) D-wave
    phi[1] = 4.8088e+00;
 
    mass[0]  = 0.77511;
    width[0] = 0.1491;
 
    mass[1]  = 0.27454719;
    width[1] = 0.1491;      // TBD
 
    massDp = 1.86966;
    massD0 = 1.86484;
 
    massEtap = 0.95778;
    massPip = 0.13957;
    massPi0 = 0.13498;
 
    mathPi = 3.1415926;
 
    // GS 
    GS1 = 0.6366197830;
    GS2 = 0.0186018247;
    GS3 = 0.1591549431;     // 1/(2*mathPi)
    GS4 = 0.0062006081;     // massPip*massPip/mathPi
 
    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 EvtDToPiPi0Etap::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 88 of file EvtDToPiPi0Etap.cc.

                                  {
    setProbMax(48.9); // The Max Prob = 48.895731256754906724
}

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

• EvtDToPiPi0Etap.hh
• EvtDToPiPi0Etap.cc