EvtDTopipi0pi0 Class Reference

#include <EvtDTopipi0pi0.hh>

Inheritance diagram for EvtDTopipi0pi0:

Public Member Functions
	EvtDTopipi0pi0 ()
virtual	~EvtDTopipi0pi0 ()
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 EvtDTopipi0pi0.hh.

Constructor & Destructor Documentation

EvtDTopipi0pi0()

EvtDTopipi0pi0::EvtDTopipi0pi0 ( )

inline

Definition at line 11 of file EvtDTopipi0pi0.hh.

{}

Referenced by clone().

~EvtDTopipi0pi0()

EvtDTopipi0pi0::~EvtDTopipi0pi0 ( )

virtual

Definition at line 38 of file EvtDTopipi0pi0.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtDTopipi0pi0::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 42 of file EvtDTopipi0pi0.cc.

{ return new EvtDTopipi0pi0; }

decay()

void EvtDTopipi0pi0::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 116 of file EvtDTopipi0pi0.cc.

                                           {
 
  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[4]   = { 1, 2, 2, 6 };
  int    spin[4] = { 2, 1, 1, 0 };
  int    nstates = 4;
  double r0[4]   = { 3, 3, 3, 3 };
  double r1[4]   = { 5, 5, 5, 5 };
 
  calEva( P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value, r0, r1 );
 
  setProb( value );
  return;
}

getName()

void EvtDTopipi0pi0::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 40 of file EvtDTopipi0pi0.cc.

{ model_name = "DTopipi0pi0"; }

init()

void EvtDTopipi0pi0::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 44 of file EvtDTopipi0pi0.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] = 9.32300;
  phi[1] = 0.0;
  phi[2] = 2.61960;
  phi[3] = 0.0;
 
  rho[0] = 1.26430;
  rho[1] = 1.0;
  rho[2] = 0.95403;
  rho[3] = 1.0;
 
  modetype[0] = 23;
  modetype[1] = 12;
  modetype[2] = 12;
  modetype[3] = 23;
 
  /*
          std::cout << "Initializing EvtDTopipi0pi0" << std::endl;
          for (int i=0; i<4; i++) {
                  cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
          }
  */
  width[0] = 0.1867;
  width[1] = 0.1502;
  width[2] = 0.4;
  width[3] = 0.020;
 
  mass[0] = 1.2755;
  mass[1] = 0.7665;
  mass[2] = 1.465;
  mass[3] = 0.900;
 
  mD        = 1.86486;
  mDs       = 1.9683;
  rRes      = 9.0;
  rD        = 5.0;
  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;
  ma0       = 0.99;
  Ga0       = 0.0756;
  meta      = 0.547862;
  mass_Kaon = 0.49368;
  mass_Eta  = 0.547862;
  mass_Etap = 0.95778;
 
  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 EvtDTopipi0pi0::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 114 of file EvtDTopipi0pi0.cc.

{ setProbMax( 528.0 ); }

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

• EvtDTopipi0pi0.hh
• EvtDTopipi0pi0.cc