EvtDsToKpipi Class Reference

#include <EvtDsToKpipi.hh>

Inheritance diagram for EvtDsToKpipi:

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

Constructor & Destructor Documentation

EvtDsToKpipi()

EvtDsToKpipi::EvtDsToKpipi ( )

inline

Definition at line 12 of file EvtDsToKpipi.hh.

{}

Referenced by clone().

~EvtDsToKpipi()

EvtDsToKpipi::~EvtDsToKpipi ( )

virtual

Definition at line 32 of file EvtDsToKpipi.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtDsToKpipi::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 36 of file EvtDsToKpipi.cc.

{ return new EvtDsToKpipi; }

decay()

void EvtDsToKpipi::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 148 of file EvtDsToKpipi.cc.

                                         {
  /*
     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[8]={1,1,4,2,500,1,1,2};
                  int spin[8]={1,1,0,0,0,1,1,0};
                  int nstates=8;
        calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
        if (value<0) continue;
        if(value>maxprob) {
           maxprob=value;
           cout << "ir= " << ir << endl;
           cout << "double P1[4] = {" << P1[0] <<","<< P1[1] <<","<< P1[2] <<","<< P1[3]
     <<"};"<< endl; cout << "double P2[4] = {" << P2[0] <<","<< P2[1] <<","<< P2[2] <<","<<
     P2[3] <<"};"<< endl; cout << "double P3[4] = {" << P3[0] <<","<< P3[1] <<","<< P3[2]
     <<","<< P3[3] <<"};"<< endl; cout << "MAX====> " << maxprob << endl;
        }
     }
     printf("MAXprob = %.10f\n",maxprob);
  */
 
  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 );
 
  // P1[0] =0.863405 ;P1[1] =-0.239724 ;P1[2] =-0.665631 ; P1[3] =-0.0349068  ;
  // P2[0] =0.209097 ;P2[1] =0.0992859 ;P2[2] =-0.119905 ; P2[3] =-0.00262863 ;
  // P3[0] =0.941396 ;P3[1] =-0.270638 ;P3[2] =0.890782 ;  P3[3] = -0.00293441 ;
 
  double value;
  int    g0[8]   = { 1, 1, 4, 2, 500, 1, 1, 2 };
  int    spin[8] = { 1, 1, 0, 0, 0, 1, 1, 0 };
  int    nstates = 8;
  calEva( P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value );
 
  setProb( value );
 
  return;
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 34 of file EvtDsToKpipi.cc.

{ model_name = "DsToKpipi"; }

init()

void EvtDsToKpipi::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 38 of file EvtDsToKpipi.cc.

                        {
  // check that there are 0 arguments
  checkNArg( 0 );
  checkNDaug( 3 );
  checkSpinParent( EvtSpinType::SCALAR );
  checkSpinDaughter( 0, EvtSpinType::SCALAR );
  checkSpinDaughter( 1, EvtSpinType::SCALAR );
  checkSpinDaughter( 2, EvtSpinType::SCALAR );
 
  phi[0] = 0;
  rho[0] = 1;
  phi[1] = 0;
  rho[1] = 0;
  phi[2] = 0;
  rho[2] = 0;
  phi[3] = 0;
  rho[3] = 0;
  phi[4] = 0;
  rho[4] = 0;
  phi[5] = 0;
  rho[5] = 0;
  phi[6] = 0;
  rho[6] = 0;
  phi[7] = 0;
  rho[7] = 0;
 
  phi[1] = -3.47995752;
  phi[2] = -1.249864467;
  phi[3] = -0.3067504308;
  phi[4] = 0.9229242379;
  phi[5] = -3.278567926;
  phi[6] = -0.6346408622;
  phi[7] = 1.762377475;
 
  rho[1] = 2.463898984;
  rho[2] = 0.7361782665;
  rho[3] = 1.90216812;
  rho[4] = 2.140687169;
  rho[5] = 0.914684056;
  rho[6] = 1.116206881;
  rho[7] = 1.483440555;
 
  modetype[0] = 23;
  modetype[1] = 23;
  modetype[2] = 23;
  modetype[3] = 23;
  modetype[4] = 23;
  modetype[5] = 13;
  modetype[6] = 13;
  modetype[7] = 13;
 
  // cout << "DsToKpipi :" << endl;
  // for (int i=0; i<8; i++) {
  //   cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
  // }
 
  width[0] = 0.1478;
  width[1] = 0.400;
  width[2] = 0.100;
  width[3] = 0.265;
  width[4] = 0.270;
  width[5] = 0.0473;
  width[6] = 0.232;
  width[7] = 0.270;
 
  mass[0] = 0.77526;
  mass[1] = 1.465;
  mass[2] = 0.965;
  mass[3] = 1.35;
  mass[4] = 1.425;
  mass[5] = 0.89555;
  mass[6] = 1.414;
  mass[7] = 1.432787726;
 
  mDsM = 1.9683;
  mD   = 1.86486;
  mDs  = 1.9683;
  //   rRes       = 9.0;
  rD        = 25.0;
  metap     = 0.95778;
  mkstr     = 0.89594;
  mk0       = 0.497614;
  mass_Kaon = 0.49368;
  mass_Pion = 0.13957;
  mass_Pi0  = 0.1349766;
  math_pi   = 3.1415926;
  mKa2      = 0.24371994;
  mPi2      = 0.01947978;
  mPi       = 0.13957;
  mKa       = 0.49368;
  // mrho = 0.77549;
  // Grho = 0.1491;
  ma0  = 0.99;
  Ga0  = 0.0756;
  meta = 0.547862;
 
  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 EvtDsToKpipi::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 146 of file EvtDsToKpipi.cc.

{ setProbMax( 825.0 ); }

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

• EvtDsToKpipi.hh
• EvtDsToKpipi.cc