EvtD0toKSpi0etaPlot Class Reference

#include <EvtD0toKSpi0etaPlot.hh>

Inheritance diagram for EvtD0toKSpi0etaPlot:

Public Member Functions
	EvtD0toKSpi0etaPlot ()
virtual	~EvtD0toKSpi0etaPlot ()
void	getName (std::string &name)
EvtDecayBase *	clone ()
void	initProbMax ()
void	init ()
void	decay (EvtParticle *p)
int	FindXBin (double mass2)
int	FindYBin (double mass2)
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 28 of file EvtD0toKSpi0etaPlot.hh.

Constructor & Destructor Documentation

EvtD0toKSpi0etaPlot()

EvtD0toKSpi0etaPlot::EvtD0toKSpi0etaPlot ( )

inline

Definition at line 31 of file EvtD0toKSpi0etaPlot.hh.

{}

Referenced by clone().

~EvtD0toKSpi0etaPlot()

EvtD0toKSpi0etaPlot::~EvtD0toKSpi0etaPlot ( )

virtual

Definition at line 36 of file EvtD0toKSpi0etaPlot.cc.

{}

Member Function Documentation

clone()

EvtDecayBase * EvtD0toKSpi0etaPlot::clone ( )

virtual

Implements EvtDecayBase.

Definition at line 42 of file EvtD0toKSpi0etaPlot.cc.

{ return new EvtD0toKSpi0etaPlot; }

decay()

void EvtD0toKSpi0etaPlot::decay ( EvtParticle * p )

virtual

Implements EvtDecayBase.

Definition at line 100 of file EvtD0toKSpi0etaPlot.cc.

                                                {
 
loop:
  p->initializePhaseSpace( getNDaug(), getDaugs() );
 
  EvtParticle *id1, *id2, *id3;
  EvtVector4R  pd1, pd2, pd3;
  double       xmass13, xmass12, xmass23;
 
  id1 = p->getDaug( 0 );
  id2 = p->getDaug( 1 );
  id3 = p->getDaug( 2 );
 
  pd1 = id1->getP4Lab();
  pd2 = id2->getP4Lab();
  pd3 = id3->getP4Lab();
 
  xmass12 = ( pd1 + pd2 ).mass() * ( pd1 + pd2 ).mass(); // M_ksopi
  //        xmass13=(pd1+pd3).mass()*(pd1+pd3).mass();  // M_ksow
  xmass23 = ( pd2 + pd3 ).mass() * ( pd2 + pd3 ).mass(); // M_piw
 
  int    xbin     = FindXBin( xmass12 );
  int    ybin     = FindYBin( xmass23 );
  double xratio12 = HisPDF[xbin][ybin] / avm1;
 
  if ( xratio12 <= 0 ) goto loop;
 
  double rd12 = EvtRandom::Flat( 0.0, 1.0 );
  if ( rd12 > xratio12 ) goto loop;
 
  return;
}

FindXBin()

int EvtD0toKSpi0etaPlot::FindXBin

(

double

mass2

)

Definition at line 133 of file EvtD0toKSpi0etaPlot.cc.

                                                {
  if ( mass2 < Xmin ) { return 0; }
  else if ( mass2 >= Xmax ) { return 11; }
  else { return int( ( mass2 - Xmin ) / Xwid ) + 1; }
}

Referenced by decay().

FindYBin()

int EvtD0toKSpi0etaPlot::FindYBin

(

double

mass2

)

Definition at line 139 of file EvtD0toKSpi0etaPlot.cc.

                                                {
  if ( mass2 < Ymin ) { return 0; }
  else if ( mass2 >= Ymax ) { return 11; }
  else { return int( ( mass2 - Ymin ) / Ywid ) + 1; }
}

Referenced by decay().

getName()

void EvtD0toKSpi0etaPlot::getName ( std::string & name )

virtual

Implements EvtDecayBase.

Definition at line 38 of file EvtD0toKSpi0etaPlot.cc.

                                                         {
  model_name = "D0toKSpi0etaPlot";
}

init()

void EvtD0toKSpi0etaPlot::init ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 44 of file EvtD0toKSpi0etaPlot.cc.

                               {
 
  checkNArg( 0 );
 
  bool idN = getDaugs()[0] == EvtPDL::getId( std::string( "K_S0" ) ) ||
             getDaugs()[0] == EvtPDL::getId( std::string( "K_L0" ) );
  bool idKs = getDaugs()[1] == EvtPDL::getId( std::string( "pi0" ) );
  bool idPi = getDaugs()[2] == EvtPDL::getId( std::string( "eta" ) );
  if ( !( idN && idKs && idPi ) )
  {
    std::cout << "EvtD0toKSpi0etaPlot: the daughter sequence should be Ks/Kl pi0 eta"
              << std::endl;
    abort();
  }
 
  EvtSpinType::spintype parenttype = EvtPDL::getSpinType( getParentId() );
 
  Xmin                     = 0.4;
  Xmax                     = 1.734;
  Xwid                     = 0.1334;
  Ymin                     = 0.466;
  Ymax                     = 1.869;
  Ywid                     = 0.1403;
  avm1                     = 0.125;
  double HisPDFtmp[12][12] = {
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
      { 0, 0.00527169, 0.0113872, 0.0301807, 0.0804598, 0.0617421, 0.0427827, 0.0540283,
        0.0165289, 0, 0, 0 },
      { 0, 0.020155, 0.0159653, 0.0296171, 0.0808365, 0.0416933, 0.0265935, 0.0193752,
        0.0441176, 0.0259259, 0.0287037, 0 },
      { 0, 0.0417141, 0.0513983, 0.0479749, 0.0659032, 0.0323741, 0.0175809, 0.0304969,
        0.0254219, 0.054984, 0.0801812, 0.0493827 },
      { 0, 0.0388568, 0.00614035, 0.0154096, 0.028749, 0.0281987, 0.0182064, 0.00844951,
        0.00682977, 0.0027885, 0.00239316, -0.0173611 },
      { 0, 0.0100519, 0.0169912, 0.0200723, 0.0272782, 0.0163995, 0.0231309, 0.0170477,
        0.013863, 0.000892459, 0.00420168, 0 },
      { 0, 0.0361953, 0.0251366, 0.0173922, 0.0399432, 0.00877736, 0.0105188, 0.0110497,
        0.0107359, 0.00134903, 0.00448934, 0 },
      { 0, 0.0078219, 0.0234282, 0.0324155, 0.0451149, 0.011002, 0.0149195, 0.00172265,
        0.00821524, 0, 0, 0 },
      { 0, 0.021721, 0.0280722, 0.0341469, 0.0507545, 0.0136752, 0.011148, 0.0100806,
        0.00383142, 0, 0, 0 },
      { 0, 0, 0.0237679, 0.0316915, 0.0674883, 0.018785, 0.0192308, 0.0037594, 0.047619, 0, 0,
        0 },
      { 0, 0, 0.0307692, 0.0461138, 0.0755956, 0.0250696, 0, 0, 0, 0, 0, 0 },
      { 0, 0, 0, 0, 0.0938697, 0.125, 0, 0, 0, 0, 0, 0 },
  };
 
  for ( int i = 0; i < 12; i++ )
  {
    for ( int j = 0; j < 12; j++ ) { HisPDF[i][j] = HisPDFtmp[i][j]; }
  }
}

initProbMax()

void EvtD0toKSpi0etaPlot::initProbMax ( )

virtual

Reimplemented from EvtDecayBase.

Definition at line 98 of file EvtD0toKSpi0etaPlot.cc.

{ noProbMax(); }

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

• EvtD0toKSpi0etaPlot.hh
• EvtD0toKSpi0etaPlot.cc