EvtMassH1 Class Reference

#include <EvtMassH1.hh>

Inheritance diagram for EvtMassH1:

Public Member Functions
	EvtMassH1 ()
virtual	~EvtMassH1 ()
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 29 of file EvtMassH1.hh.

Constructor & Destructor Documentation

EvtMassH1()

EvtMassH1::EvtMassH1 ( )

inline

Definition at line 32 of file EvtMassH1.hh.

{}

Referenced by clone().

~EvtMassH1()

EvtMassH1::~EvtMassH1 ( )

virtual

Definition at line 56 of file EvtMassH1.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtMassH1::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 60 of file EvtMassH1.cc.

{ return new EvtMassH1; }

decay()

void EvtMassH1::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 70 of file EvtMassH1.cc.

                                      {
 
  const char* fl = setFileName();
  const char* hp = setHpoint();
  int*        dp;
  dp     = setDaugPair();
  int d1 = dp[0];
  int d2 = dp[1];
 
  TFile  f( fl );
  TH1F*  hid   = (TH1F*)f.Get( hp );
  TAxis* xaxis = hid->GetXaxis();
 
  double BLE  = xaxis->GetBinLowEdge( 1 );
  int    BINS = xaxis->GetLast();
  // double yvalue[BINS+2],ymax=0.0;
  double yvalue[20000], ymax = 0.0;
  int    i;
  // double Ntotal=0,yc[BINS+2];
  double Ntotal = 0, yc[20000];
 
  for ( i = 1; i < BINS + 1; i++ )
  {
    yvalue[i] = hid->GetBinContent( i );
    if ( yvalue[i] > ymax ) ymax = yvalue[i];
  }
 
loop:
  p->initializePhaseSpace( getNDaug(), getDaugs() );
 
  EvtParticle *v, *s1;
  EvtVector4R  pv, ps;
  double       ppr;
 
  v   = p->getDaug( d1 );
  s1  = p->getDaug( d2 );
  pv  = v->getP4Lab();
  ps  = s1->getP4Lab();
  ppr = ( pv + ps ).mass();
 
  int    xbin   = hid->FindBin( ppr );
  double xratio = ( hid->GetBinContent( xbin ) ) / ymax;
 
  double rd1 = EvtRandom::Flat( 0.0, 1.0 );
  if ( rd1 > xratio ) goto loop;
  return;
}

getName()

void EvtMassH1::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 58 of file EvtMassH1.cc.

{ model_name = "MassH1"; }

init()

void EvtMassH1::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 62 of file EvtMassH1.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 EvtMassH1::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 68 of file EvtMassH1.cc.

{ noProbMax(); }

setDaugPair()

int * EvtMassH1::setDaugPair

(

)

Definition at line 24 of file UserMassH1.cc.

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

Referenced by decay().

setFileName()

const char * EvtMassH1::setFileName

(

)

Definition at line 11 of file UserMassH1.cc.

                                   {
  const char* filename;
  filename = "massh1.root";
  // specify the root histor. name
  return filename;
}

Referenced by decay().

setHpoint()

const char * EvtMassH1::setHpoint

(

)

Definition at line 18 of file UserMassH1.cc.

                                 {
  const char* hpoint;
  hpoint = "xmass12"; // specify the histor. id
  return hpoint;
}

Referenced by decay().

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

• EvtMassH1.hh
• EvtMassH1.cc
• UserMassH1.cc