EvtMBody3 Class Reference

#include <EvtMBody3.hh>

Inheritance diagram for EvtMBody3:

Public Member Functions
	EvtMBody3 ()
virtual	~EvtMBody3 ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
	end of ini
void	init ()
void	decay (EvtParticle *p)
const char *	setFileName (int i)
Public Member Functions inherited from EvtDecayIncoherent
void	makeDecay (EvtParticle *p)
virtual	~EvtDecayIncoherent ()
void	setDaughterSpinDensity (int daughter)
int	isDaughterSpinDensitySet (int daughter)
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 39 of file EvtMBody3.hh.

Constructor & Destructor Documentation

EvtMBody3()

EvtMBody3::EvtMBody3 ( )

inline

Definition at line 43 of file EvtMBody3.hh.

{}

Referenced by clone().

~EvtMBody3()

EvtMBody3::~EvtMBody3 ( )

virtual

Definition at line 53 of file EvtMBody3.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtMBody3::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 61 of file EvtMBody3.cc.

                              {
 
  return new EvtMBody3;
 
}

decay()

void EvtMBody3::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 88 of file EvtMBody3.cc.

                                     {
 
loop:
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  EvtVector4R pd1,pd2,pd3,ps;
  double m12,m13,m23,costheta1,costheta2,costheta3;
 
  pd1 =p->getDaug(0)->getP4Lab();
  pd2 =p->getDaug(1)->getP4Lab();
  pd3 =p->getDaug(2)->getP4Lab();
  ps =p->getP4();
 
  m12=(pd1 + pd2).mass(); 
  m13=(pd1 + pd3).mass();
  m23=(pd2 + pd3).mass();
 
  costheta1=pd1.get(3)/pd1.d3mag();
  costheta2=pd2.get(3)/pd2.d3mag();
  costheta3=pd3.get(3)/pd3.d3mag();
  /*
  bool ac=body3Ntuple.AR123(costheta1,costheta2,costheta3,
                                  m23,      m13,      m12);
  */
  bool b1=body3Ntuple.AR1(costheta1,m23);
  bool b2=body3Ntuple.AR2(costheta2,m13);
  bool b3=body3Ntuple.AR3(costheta3,m12);
 
  if(!(b1 && b2 && b3)) goto loop;
  
              // if(!(ac)) goto loop;
  //  std::cout<<"I find an envent." <<std::endl;
  return ;
}

getName()

void EvtMBody3::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 55 of file EvtMBody3.cc.

                                            {
 
  model_name="MBody3";     
 
}

init()

void EvtMBody3::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 67 of file EvtMBody3.cc.

                    {
 
  // check that there are 4 arguments: Invariant mass part. Index: i,j, histor. file name, Hid 
  checkNArg(0);
 
  const char* datafile;
  const char* mcfile;
  datafile=setFileName(1);
  mcfile  =setFileName(2);
  body3Ntuple.setMCfile(mcfile);
  body3Ntuple.setDTfile(datafile);
  body3Ntuple.init();
  std::cout<<"End to initiate the MBody3 model"<<std::endl;
 }  ///end of ini

initProbMax()

void EvtMBody3::initProbMax ( )

virtual

end of ini

Reimplemented from EvtDecayBase.

Definition at line 82 of file EvtMBody3.cc.

                           {
 
  noProbMax();
 
}

setFileName()

const char * EvtMBody3::setFileName

(

int

i

)

Definition at line 37 of file UserMBody3.cc.

                                         {
  const char* datafile;
  const char* mcfile;
// --- user to specify the name of the NTuple for data (datafile ) and MC
 
  datafile="./body3data.root";  //specify the data root file  name
  mcfile  ="./body3mc.root";    //specify the mc root fine name using for eff. correction
 
//--------- don't touch follows
  if(i==1){return datafile;} else if(i==2){return mcfile;}
}

Referenced by init().

---

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

• EvtMBody3.hh
• EvtMBody3.cc
• UserMBody3.cc