EvtMassH2 Class Reference

#include <EvtMassH2.hh>

Inheritance diagram for EvtMassH2:

Public Member Functions
	EvtMassH2 ()
virtual	~EvtMassH2 ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
void	decay (EvtParticle *p)
const char *	setFileName ()
const char *	setHpoint ()
int *	setDaugPair ()
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 EvtMassH2.hh.

Constructor & Destructor Documentation

EvtMassH2()

EvtMassH2::EvtMassH2 ( )

inline

Definition at line 34 of file EvtMassH2.hh.

{}

Referenced by clone().

~EvtMassH2()

EvtMassH2::~EvtMassH2 ( )

virtual

Definition at line 57 of file EvtMassH2.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtMassH2::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 65 of file EvtMassH2.cc.

                              {
 
  return new EvtMassH2;
 
}

decay()

void EvtMassH2::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 84 of file EvtMassH2.cc.

                                     {
 
 const char* fl=setFileName();
 const char* hp=setHpoint();
 int* dp;
 dp=setDaugPair();
 int d1=dp[0];  //m(d1,d2) pair at X axis
 int d2=dp[1];
 int d3=dp[2];  //m(d3,d4) pair at Y axis
 int d4=dp[3];
 
 TFile f(fl);
 TH2F *hid = (TH2F*)f.Get(hp);
 TAxis* xaxis = hid->GetXaxis();
 TAxis* yaxis = hid->GetYaxis();
 
 int    BINSx  =xaxis->GetLast();
 int    BINSy  =yaxis->GetLast();
 int    BINS   =BINSx*BINSy;
 double yvalue,ymax=0.0;
 int i,j,binxy;
 
 for(i=1;i<BINSx+1;i++){
     for(j=1;j<BINSy+1;j++){
      binxy=hid->GetBin(i,j);
      yvalue=hid->GetBinContent(binxy);
//      cout<<"binxy,yvalue = "<<binxy<<"; "<<yvalue<<endl;
      if(yvalue>ymax) ymax=yvalue;
     }
 }
 
loop:
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  EvtParticle *id1,*id2,*id3,*id4,*s1;
  EvtVector4R pd1,pd2,pd3,pd4,ps;
  double xmass2,ymass2;
 
  id1 =p->getDaug(d1); 
  id2 =p->getDaug(d2); 
  id3 =p->getDaug(d3);
  id4 =p->getDaug(d4);
 
  pd1 =id1->getP4Lab();
  pd2 =id2->getP4Lab();
  pd3 =id3->getP4Lab();
  pd4 =id4->getP4Lab();
 
  xmass2=(pd1+pd2).mass2();
  ymass2=(pd3+pd4).mass2();
 
  int xbin = hid->GetXaxis()->FindBin(xmass2);
  int ybin = hid->GetYaxis()->FindBin(ymass2);
  int xybin= hid->GetBin(xbin,ybin);
  double zvalue=hid->GetBinContent(xybin);
  double xratio=zvalue/ymax;
//  cout<<"***************zvalue,ymax,xratio= "<<zvalue<<"; "<<ymax<<"; "<<xratio<<endl;
  double rd1=EvtRandom::Flat(0.0, 1.0); 
  if(rd1>xratio) goto loop;
  return ;
}

getName()

void EvtMassH2::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 59 of file EvtMassH2.cc.

                                            {
 
  model_name="MassH2";     
 
}

init()

void EvtMassH2::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 72 of file EvtMassH2.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 EvtMassH2::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 78 of file EvtMassH2.cc.

                           {
 
  noProbMax();
 
}

setDaugPair()

int * EvtMassH2::setDaugPair

(

)

Definition at line 22 of file UserMassH2.cc.

                           {
  static int DP[4];
  DP[0]=0;  // 0,1,2,... indexes for daughter particles
  DP[1]=1;
  DP[2]=0;
  DP[3]=2;
  return DP;
}

Referenced by decay().

setFileName()

const char * EvtMassH2::setFileName

(

)

Definition at line 10 of file UserMassH2.cc.

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

Referenced by decay().

setHpoint()

const char * EvtMassH2::setHpoint

(

)

Definition at line 16 of file UserMassH2.cc.

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

Referenced by decay().

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

• EvtMassH2.hh
• EvtMassH2.cc
• UserMassH2.cc