EvtSTSCP Class Reference

#include <EvtSTSCP.hh>

Inheritance diagram for EvtSTSCP:

Public Member Functions
	EvtSTSCP ()
virtual	~EvtSTSCP ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	init ()
void	initProbMax ()
void	decay (EvtParticle *p)
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 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 EvtSTSCP.hh.

Constructor & Destructor Documentation

EvtSTSCP()

EvtSTSCP::EvtSTSCP ( )

inline

Definition at line 32 of file EvtSTSCP.hh.

{}

Referenced by clone().

~EvtSTSCP()

EvtSTSCP::~EvtSTSCP ( )

virtual

Definition at line 36 of file EvtSTSCP.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtSTSCP::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 53 of file EvtSTSCP.cc.

                             {
 
  return new EvtSTSCP;
 
}

decay()

void EvtSTSCP::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 73 of file EvtSTSCP.cc.

                                   {
 
  //added by Lange Jan4,2000
  static EvtId B0=EvtPDL::getId("B0");
  static EvtId B0B=EvtPDL::getId("anti-B0");
 
  double t;
  EvtId other_b;
 
  EvtParticle *t1;
  p->initializePhaseSpace(getNDaug(),getDaugs());
  t1 = p->getDaug(0);
  EvtVector4R momt = t1->getP4();
  EvtVector4R moms = p->getDaug(1)->getP4();
  double masst = t1->mass();
 
  EvtCPUtil::OtherB(p,t,other_b);
 
  double m_parent = p->mass();
 
   EvtComplex amp;
 
   EvtComplex A,Abar;
 
   A=EvtComplex(getArg(3)*cos(getArg(4)),getArg(3)*sin(getArg(4)));
   Abar=EvtComplex(getArg(5)*cos(getArg(6)),getArg(5)*sin(getArg(6)));
 
   if (other_b==B0B){
     amp=A*cos(getArg(1)*t/(2*EvtConst::c))+
       EvtComplex(cos(-2.0*getArg(0)),sin(-2.0*getArg(0)))*
       getArg(2)*EvtComplex(0.0,1.0)*Abar*sin(getArg(1)*t/(2*EvtConst::c));
   }
   if (other_b==B0){
     amp=A*EvtComplex(cos(2.0*getArg(0)),sin(2.0*getArg(0)))*
       EvtComplex(0.0,1.0)*sin(getArg(1)*t/(2*EvtConst::c))+       
       getArg(2)*Abar*cos(getArg(1)*t/(2*EvtConst::c));
   }
 
  EvtVector4R p4_parent;
 
  p4_parent=momt+moms;
 
  double norm=masst*masst/(m_parent*momt.d3mag()*momt.d3mag());
 
   
   vertex(0,amp*norm*t1->epsTensorParent(0).cont1(p4_parent)*p4_parent);
   vertex(1,amp*norm*t1->epsTensorParent(1).cont1(p4_parent)*p4_parent);
   vertex(2,amp*norm*t1->epsTensorParent(2).cont1(p4_parent)*p4_parent);
   vertex(3,amp*norm*t1->epsTensorParent(3).cont1(p4_parent)*p4_parent);
   vertex(4,amp*norm*t1->epsTensorParent(4).cont1(p4_parent)*p4_parent);
 
  return ;
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 38 of file EvtSTSCP.cc.

                                           {
 
  model_name="STS_CP";     
 
}

init()

void EvtSTSCP::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 59 of file EvtSTSCP.cc.

                   {
 
  // check that there are 7 arguments
  checkNArg(7);
  checkNDaug(2);
 
  checkSpinParent(EvtSpinType::SCALAR);
 
  checkSpinDaughter(0,EvtSpinType::TENSOR);
  checkSpinDaughter(1,EvtSpinType::SCALAR);
 
}

initProbMax()

void EvtSTSCP::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 44 of file EvtSTSCP.cc.

                          {
 
  //This is probably not quite right, but it should do as a start...
  //Anders
 
  setProbMax(20*(getArg(3)*getArg(3)+getArg(5)*getArg(5)));
 
}

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

• EvtSTSCP.hh
• EvtSTSCP.cc