EvtEtaDalitz Class Reference

#include <EvtEtaDalitz.hh>

Inheritance diagram for EvtEtaDalitz:

Public Member Functions
	EvtEtaDalitz ()
virtual	~EvtEtaDalitz ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	init ()
void	initProbMax ()
void	decay (EvtParticle *p)
Public Member Functions inherited from EvtDecayAmp
void	makeDecay (EvtParticle *p)
void	setWeight (double weight)
void	vertex (const EvtComplex &amp)
void	vertex (int i1, const EvtComplex &amp)
void	vertex (int i1, int i2, const EvtComplex &amp)
void	vertex (int i1, int i2, int i3, const EvtComplex &amp)
void	vertex (int *i1, const EvtComplex &amp)
virtual	~EvtDecayAmp ()
Public Member Functions inherited from EvtDecayBase
virtual void	getName (std::string &name)=0
virtual void	decay (EvtParticle *p)=0
virtual void	makeDecay (EvtParticle *p)=0
virtual EvtDecayBase *	clone ()=0
virtual void	init ()
virtual void	initProbMax ()
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 EvtDecayAmp
EvtAmp	_amp2
Protected Attributes inherited from EvtDecayBase
bool	_daugsDecayedByParentModel

Detailed Description

Definition at line 28 of file EvtEtaDalitz.hh.

Constructor & Destructor Documentation

EvtEtaDalitz()

EvtEtaDalitz::EvtEtaDalitz ( )

inline

Definition at line 32 of file EvtEtaDalitz.hh.

{}

Referenced by clone().

~EvtEtaDalitz()

EvtEtaDalitz::~EvtEtaDalitz ( )

virtual

Definition at line 30 of file EvtEtaDalitz.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtEtaDalitz::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 39 of file EvtEtaDalitz.cc.

                                 {
 
  return new EvtEtaDalitz;
 
}

decay()

void EvtEtaDalitz::decay ( EvtParticle *  p )

virtual

Implements EvtDecayBase.

Definition at line 65 of file EvtEtaDalitz.cc.

                                       {
 
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  EvtVector4R mompi0 = p->getDaug(2)->getP4();
  double masspip = p->getDaug(0)->mass();
  double masspim = p->getDaug(1)->mass();
  double masspi0 = p->getDaug(2)->mass();
  double m_eta = p->mass();
 
  double y;
 
  //The decay amplitude coems from Layter et al PRD 7 pA2M5.
  //this reference doesn't make sence!!!
 
  y=(mompi0.get(0)-masspi0)*(3.0/(m_eta-masspip-masspim-masspi0))-1.0;
 
  EvtComplex amp(sqrt(1.0-1.07*y),0.0);
 
  vertex(amp);
 
  return ;
   
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 32 of file EvtEtaDalitz.cc.

                                               {
 
  model_name="ETA_DALITZ";     
 
}

init()

void EvtEtaDalitz::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 45 of file EvtEtaDalitz.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);
}

initProbMax()

void EvtEtaDalitz::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 59 of file EvtEtaDalitz.cc.

                              {
 
  setProbMax(2.1);
 
}

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

• EvtEtaDalitz.hh
• EvtEtaDalitz.cc