EvtDMix Class Reference

#include <EvtDMix.hh>

Inheritance diagram for EvtDMix:

Public Member Functions
	EvtDMix ()
virtual	~EvtDMix ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
void	decay (EvtParticle *p)
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 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 EvtDecayBase
bool	_daugsDecayedByParentModel

Detailed Description

Definition at line 30 of file EvtDMix.hh.

Constructor & Destructor Documentation

EvtDMix()

EvtDMix::EvtDMix ( )

inline

Definition at line 34 of file EvtDMix.hh.

{}

Referenced by clone().

~EvtDMix()

EvtDMix::~EvtDMix ( )

virtual

Definition at line 31 of file EvtDMix.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtDMix::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 39 of file EvtDMix.cc.

                            {
 
  return new EvtDMix;
 
}

decay()

void EvtDMix::decay ( EvtParticle *  p )

virtual

Implements EvtDecayBase.

Definition at line 61 of file EvtDMix.cc.

                                   {
 
  //unneeded - lange - may13-02
  //if ( p->getNDaug() != 0 ) {
    //Will end up here because maxrate multiplies by 1.2
  //  report(DEBUG,"EvtGen") << "In EvtDMix: has "
  //               <<" daugthers should not be here!"<<endl;
  //  return;
  //}
 
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  double ctau=EvtPDL::getctau(p->getId());
  if ( ctau==0. ) return;
 
 
  double pdf, random, gt, weight;
 
  double maxPdf=_rd + sqrt(_rd)*_ypr*50. + 2500.0*(_xpr*_xpr+_ypr*_ypr)/4.0;
  bool keepGoing=true;
  while ( keepGoing ) {
    random=EvtRandom::Flat();
    gt=-log(random);
    weight=random;
    pdf=_rd + sqrt(_rd)*_ypr*gt + gt*gt*(_xpr*_xpr+_ypr*_ypr)/4.0;
    pdf*=exp(-1.0*gt);
    pdf/=weight;
    if ( pdf > maxPdf )
      std::cout << pdf << " " << weight << " " << maxPdf << " " << gt << std::endl;
    if ( pdf > maxPdf*EvtRandom::Flat()) keepGoing=false;
  }
 
 
  p->setLifetime(gt*ctau);
 
  return ;
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 33 of file EvtDMix.cc.

                                          {
 
  model_name="DMIX";     
 
}

init()

void EvtDMix::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 46 of file EvtDMix.cc.

                  {
 
  // check that there are 0 arguments
  checkNArg(3);
  _rd=getArg(0);
  _xpr=getArg(1);
  _ypr=getArg(2);
}

initProbMax()

void EvtDMix::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 55 of file EvtDMix.cc.

                         {
 
  noProbMax();
 
}

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

• EvtDMix.hh
• EvtDMix.cc