EvtVSSMix Class Reference

#include <EvtVSSMix.hh>

Inheritance diagram for EvtVSSMix:

Public Member Functions
	EvtVSSMix ()
virtual	~EvtVSSMix ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	decay (EvtParticle *p)
void	init ()
void	initProbMax ()
Public Member Functions inherited from EvtDecayAmp
void	makeDecay (EvtParticle *p)
void	setWeight (double weight)
void	vertex (const EvtComplex &amp)
void	vertex (int i1, const EvtComplex &amp)
void	vertex (int i1, int i2, const EvtComplex &amp)
void	vertex (int i1, int i2, int i3, const EvtComplex &amp)
void	vertex (int *i1, const EvtComplex &amp)
virtual	~EvtDecayAmp ()
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 EvtDecayAmp
EvtAmp	_amp2
Protected Attributes inherited from EvtDecayBase
bool	_daugsDecayedByParentModel

Detailed Description

Definition at line 28 of file EvtVSSMix.hh.

Constructor & Destructor Documentation

EvtVSSMix()

EvtVSSMix::EvtVSSMix ( )

inline

Definition at line 32 of file EvtVSSMix.hh.

{}

Referenced by clone().

~EvtVSSMix()

EvtVSSMix::~EvtVSSMix ( )

virtual

Definition at line 33 of file EvtVSSMix.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtVSSMix::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 42 of file EvtVSSMix.cc.

                              {
 
  return new EvtVSSMix;
 
}

decay()

void EvtVSSMix::decay ( EvtParticle *  p )

virtual

Implements EvtDecayBase.

Definition at line 67 of file EvtVSSMix.cc.

                                     {
 
  //added by Lange Jan4,2000
  static EvtId B0=EvtPDL::getId("B0");
  static EvtId B0B=EvtPDL::getId("anti-B0");
 
  p->initializePhaseSpace(getNDaug(),getDaugs());
  EvtParticle *s1,*s2;
  s1 = p->getDaug(0);
  s2 = p->getDaug(1);
  EvtVector4R s1mom = s1->getP4();
 
  double t1,t2,dm;
 
  s1->setLifetime();
  s2->setLifetime();
 
  t1=s1->getLifetime();
  t2=s2->getLifetime();
 
  //dm should probably be a parameter to this model.
 
  dm=getArg(0)/EvtConst::c;
 
  EvtId d1,d2;
 
  d1=s1->getId();
  d2=s2->getId();
 
  double mix_amp=0.;
  if (d1==B0&&d2==B0B) mix_amp=cos(0.5*dm*(t1-t2));
  if (d1==B0B&&d2==B0) mix_amp=cos(0.5*dm*(t1-t2));
  if (d1==B0&&d2==B0) mix_amp=sin(0.5*dm*(t1-t2));
  if (d1==B0B&&d2==B0B) mix_amp=sin(0.5*dm*(t1-t2));
 
  double norm=1.0/s1mom.d3mag();
 
  vertex(0,norm*mix_amp*s1mom*(p->eps(0)));
  vertex(1,norm*mix_amp*s1mom*(p->eps(1)));
  vertex(2,norm*mix_amp*s1mom*(p->eps(2)));
 
  return ;
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 35 of file EvtVSSMix.cc.

                                            {
 
  model_name="VSS_MIX";     
 
}

init()

void EvtVSSMix::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 48 of file EvtVSSMix.cc.

                    {
 
  // check that there are 1 arguments
  checkNArg(1);
  checkNDaug(2);
 
  checkSpinParent(EvtSpinType::VECTOR);
    
  checkSpinDaughter(0,EvtSpinType::SCALAR);
  checkSpinDaughter(1,EvtSpinType::SCALAR);
 
}

initProbMax()

void EvtVSSMix::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 61 of file EvtVSSMix.cc.

                           {
 
  setProbMax(0.5);
 
}

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

• EvtVSSMix.hh
• EvtVSSMix.cc