EvtBtoXsgamma Class Reference

#include <EvtBtoXsgamma.hh>

Inheritance diagram for EvtBtoXsgamma:

Public Member Functions
	EvtBtoXsgamma ()
virtual	~EvtBtoXsgamma ()
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 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 32 of file EvtBtoXsgamma.hh.

Constructor & Destructor Documentation

EvtBtoXsgamma()

EvtBtoXsgamma::EvtBtoXsgamma ( )

inline

Definition at line 35 of file EvtBtoXsgamma.hh.

{ _model = 0; }

Referenced by clone().

~EvtBtoXsgamma()

EvtBtoXsgamma::~EvtBtoXsgamma ( )

virtual

Definition at line 47 of file EvtBtoXsgamma.cc.

                              {
 
  delete _model;
  _model = 0;
}

Member Function Documentation

clone()

EvtDecayBase * EvtBtoXsgamma::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 55 of file EvtBtoXsgamma.cc.

{ return new EvtBtoXsgamma; }

decay()

void EvtBtoXsgamma::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 78 of file EvtBtoXsgamma.cc.

                                          {
 
  // initialize here. -- its too damn slow otherwise.
 
  if ( _model == 0 )
  {
 
    if ( getArg( 0 ) == 1 ) _model = new EvtBtoXsgammaAliGreub();
    else if ( getArg( 0 ) == 2 ) _model = new EvtBtoXsgammaKagan();
    else if ( getArg( 0 ) == 3 ) _model = new EvtBtoXsgammaFixedMass();
    else if ( getArg( 0 ) == 4 ) _model = new EvtBtoXsgammaFlatEnergy();
    else
    {
      report( ERROR, "EvtGen" ) << "No valid EvtBtoXsgamma generator model selected "
                                << "Set arg(0) to 1 for Ali-Greub model or 2 for "
                                << " Kagan model or 3 for a fixed mass" << endl;
      report( ERROR, "EvtGen" ) << "Will terminate execution!" << endl;
      ::abort();
    }
    _model->init( getNArg(), getArgs() );
  }
 
  //  if ( p->getNDaug() != 0 ) {
  // Will end up here because maxrate multiplies by 1.2
  //  report(DEBUG,"EvtGen") << "In EvtBtoXsgamma: X_s daughters should not be here!"<<endl;
  //  return;
  //}
 
  double m_b;
  int    i;
  p->makeDaughters( getNDaug(), getDaugs() );
  EvtParticle* pdaug[MAX_DAUG];
 
  for ( i = 0; i < getNDaug(); i++ ) { pdaug[i] = p->getDaug( i ); }
 
  static EvtVector4R p4[MAX_DAUG];
  static double      mass[MAX_DAUG];
 
  m_b = p->mass();
 
  mass[1] = EvtPDL::getMass( getDaug( 1 ) );
 
  int Xscode = EvtPDL::getStdHep( getDaug( 0 ) );
 
  mass[0] = _model->GetMass( Xscode );
 
  EvtGenKine::PhaseSpace( getNDaug(), mass, p4, m_b );
 
  for ( i = 0; i < getNDaug(); i++ ) { pdaug[i]->init( getDaugs()[i], p4[i] ); }
}

getName()

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

virtual

Implements EvtDecayBase.

Definition at line 53 of file EvtBtoXsgamma.cc.

{ model_name = "BTOXSGAMMA"; }

init()

void EvtBtoXsgamma::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 57 of file EvtBtoXsgamma.cc.

                         {
  // Arguments:
  //  0: Ali-Greub model = 1, Kagan model = 2
  // No more arguments for Ali-Greub model
  //  1:
  //  2:
  //  3:
 
  // check that at least one b->sg model has been selected
  if ( getNArg() == 0 )
  {
 
    report( ERROR, "EvtGen" ) << "EvtBtoXsgamma generator expected "
                              << " at least 1 argument but found: " << getNArg() << endl;
    report( ERROR, "EvtGen" ) << "Will terminate execution!" << endl;
    ::abort();
  }
}

initProbMax()

void EvtBtoXsgamma::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 76 of file EvtBtoXsgamma.cc.

{ noProbMax(); }

---

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

• EvtBtoXsgamma.hh
• EvtBtoXsgamma.cc