EvtHAngSam3 Class Reference

#include <EvtHAngSam3.hh>

Inheritance diagram for EvtHAngSam3:

Public Member Functions
	EvtHAngSam3 ()
virtual	~EvtHAngSam3 ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
void	decay (EvtParticle *p)
const char *	setFileName ()
const char *	setHpoint ()
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 30 of file EvtHAngSam3.hh.

Constructor & Destructor Documentation

EvtHAngSam3()

EvtHAngSam3::EvtHAngSam3 ( )

inline

Definition at line 34 of file EvtHAngSam3.hh.

{}

Referenced by clone().

~EvtHAngSam3()

EvtHAngSam3::~EvtHAngSam3 ( )

virtual

Definition at line 57 of file EvtHAngSam3.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtHAngSam3::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 65 of file EvtHAngSam3.cc.

                                {
 
  return new EvtHAngSam3;
 
}

decay()

void EvtHAngSam3::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 84 of file EvtHAngSam3.cc.

                                       {
 
 const char* fl=setFileName();
 const char* hp=setHpoint();
 int* dp;
 
 TFile f(fl);
 TH1F *hid = (TH1F*)f.Get(hp);
 TAxis* xaxis = hid->GetXaxis();
 
 double BLE   =xaxis->GetBinLowEdge(1);
 int    BINS  =xaxis->GetLast();
 double yvalue[20000];
 static double ymax=0.0;
 int i;
 double Ntotal=0,yc[20000];
 static int icount=0;
 
 if(icount==0){
 for(i=1;i<BINS+1;i++){
    yvalue[i]=hid->GetBinContent(i);
    if(yvalue[i]>ymax) ymax=yvalue[i];
 }
 icount++;
 ymax=ymax*1.2;
 }
 
loop:
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  EvtParticle *d1,*d2,*d3;
  EvtVector4R pd1,pd2,pd3,pp,nor;
  double costheta,cosphi;
 
  d1 =p->getDaug(0); 
  d2 =p->getDaug(1); 
  pd1=d1->getP4();
  pd2=d2->getP4();
  pp =p->getP4();
  double ppmag=pp.d3mag();
  nor=pd1.cross(pd2);
  
  if(ppmag<0.0001){costheta=nor.get(3)/nor.d3mag();} else
    {costheta=nor.dot(pp)/nor.d3mag()/pp.d3mag();}
 
  int xbin =hid->FindBin(costheta);
  double xratio=(hid->GetBinContent(xbin))/ymax;
 
  double rd1=EvtRandom::Flat(0.0, 1.0); 
  if(rd1>xratio) goto loop;
  return ;
}

getName()

void EvtHAngSam3::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 59 of file EvtHAngSam3.cc.

                                              {
 
  model_name="HAngSam3";     
 
}

init()

void EvtHAngSam3::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 72 of file EvtHAngSam3.cc.

                      {
 
  // check that there are 4 arguments: Invariant mass part. Index: i,j, histor. file name, Hid 
  checkNArg(0);
  EvtSpinType::spintype parenttype = EvtPDL::getSpinType(getParentId());
}

initProbMax()

void EvtHAngSam3::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 78 of file EvtHAngSam3.cc.

                             {
 
  noProbMax();
 
}

setFileName()

const char * EvtHAngSam3::setFileName

(

)

Definition at line 11 of file UserHAngSam3.cc.

                                     {
  const char* filename;
  filename="HAngSam3.root";
//specify the root histor. name
  return filename;  
} 

Referenced by decay().

setHpoint()

const char * EvtHAngSam3::setHpoint

(

)

Definition at line 18 of file UserHAngSam3.cc.

                                   {
  const char* hpoint;
  hpoint="costheta";    //specify the histor. id
  return hpoint;
}

Referenced by decay().

---

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

• EvtHAngSam3.hh
• EvtHAngSam3.cc
• UserHAngSam3.cc