EvtD0ToKSpi0pi0 Class Reference

#include <EvtD0ToKSpi0pi0.hh>

Inheritance diagram for EvtD0ToKSpi0pi0:

Public Member Functions
	EvtD0ToKSpi0pi0 ()
virtual	~EvtD0ToKSpi0pi0 ()
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 EvtD0ToKSpi0pi0.hh.

Constructor & Destructor Documentation

EvtD0ToKSpi0pi0()

EvtD0ToKSpi0pi0::EvtD0ToKSpi0pi0 ( )

inline

Definition at line 11 of file EvtD0ToKSpi0pi0.hh.

{}

Referenced by clone().

~EvtD0ToKSpi0pi0()

EvtD0ToKSpi0pi0::~EvtD0ToKSpi0pi0 ( )

virtual

Definition at line 38 of file EvtD0ToKSpi0pi0.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0ToKSpi0pi0::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 42 of file EvtD0ToKSpi0pi0.cc.

{ return new EvtD0ToKSpi0pi0; }

decay()

void EvtD0ToKSpi0pi0::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 134 of file EvtD0ToKSpi0pi0.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 nstates=7;
          int g0[7]={1,1,1,4,1,6,2};
          int spin[7]={1,1,2,0,1,0,2};
          double r0[7]={3.0,3.0,3.0,3.0,3.0,3.0,3.0};
          double r1[7]={5.0,5.0,5.0,5.0,5.0,5.0,5.0};
 
          calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value,r0,r1);
 
          if (value<0) continue;
          if(value>maxprob) {
          maxprob=value;
          cout << "ir= " << ir << 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 );
 
  double value;
  int    nstates = 7;
  int    g0[7]   = { 1, 1, 1, 4, 1, 6, 2 };
  int    spin[7] = { 1, 1, 2, 0, 1, 0, 2 };
  double r0[7]   = { 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0 };
  double r1[7]   = { 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0 };
 
  calEva( P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value, r0, r1 );
  setProb( value );
  return;
}

getName()

void EvtD0ToKSpi0pi0::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 40 of file EvtD0ToKSpi0pi0.cc.

{ model_name = "D0ToKSpi0pi0"; }

init()

void EvtD0ToKSpi0pi0::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 44 of file EvtD0ToKSpi0pi0.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 );
 
  pi180inv = 1.0 / EvtConst::radToDegrees;
  phi[0]   = 0.0;
  phi[1]   = -1.1735907962948264327;
  phi[2]   = -0.98738790124871123055;
  phi[3]   = 2.4055643732573601667;
  phi[4]   = 1.9872186812020204982;
  phi[5]   = 0.25034666009967576628;
  phi[6]   = -2.4035171276352995662;
 
  rho[0] = 1.0;
  rho[1] = 1.407574144549414541;
  rho[2] = 1.3964570662861071071;
  rho[3] = 2.5234814225240658203;
  rho[4] = 2.0222401273514734044;
  rho[5] = 0.69741141764274061643;
  rho[6] = 0.84723998937758082661;
 
  modetype[0] = 12;
  modetype[1] = 12;
  modetype[2] = 12;
  modetype[3] = 12;
  modetype[4] = 12;
  modetype[5] = 23;
  modetype[6] = 23;
 
  // std::cout << "Initializing EvtD0ToKSpi0pi0" << std::endl;
  // for (int i=0; i<7; i++) {
  //    cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
  // }
 
  width[0] = 0.047300000000000001765;
  width[1] = 0.23200000000000001177;
  width[2] = 0.10899999999999999967;
  width[3] = 0.0084899999999999992834;
  width[4] = 0.32200000000000000844;
  width[5] = 0.020000000000000000416;
  width[6] = 0.18670000000000000484;
 
  mass[0] = 0.89554999999999995719;
  mass[1] = 1.4139999999999999236;
  mass[2] = 1.4323999999999998956;
  mass[3] = 1.3999999999999999112;
  mass[4] = 1.7179999999999999716;
  mass[5] = 0.9000000000000000222;
  mass[6] = 1.2755000000000000782;
 
  mD0       = 1.86483;
  mK0       = 0.497611;
  mKa       = 0.49368;
  mPi       = 0.13957;
  meta      = 0.54775;
  mK02      = 0.237616707;
  mPi2      = 0.01947978;
  mass_EtaP = 0.95778;
  mass_Kaon = 0.49368;
 
  math_pi    = 3.1415926;
  mass_Pion  = 0.13957;
  mass_Pion2 = 0.0194797849;
  mass_2Pion = 0.27914;
  math_2pi   = 6.2831852;
  rD2        = 25.0; // 5*5
  rRes2      = 9.0;  // 3*3
  g1         = 0.5468;
  g2         = 0.23;
  GS1        = 0.636619783;
  GS2        = 0.01860182466;
  GS3        = 0.1591549458;
  GS4        = 0.00620060822;
 
  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 EvtD0ToKSpi0pi0::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 130 of file EvtD0ToKSpi0pi0.cc.

                                  {
  setProbMax( 944.0 ); // MAXprob = 943.6824670811
}

---

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

• EvtD0ToKSpi0pi0.hh
• EvtD0ToKSpi0pi0.cc