EvtDecayTag Class Reference

#include <EvtDecayTag.hh>

List of all members.

Public Member Functions
	EvtDecayTag (EvtParticle *par)
int	getHdrdBase (int index)
int	getModeTag ()
int	getMultTag ()
void	makeTag (EvtParticle *par)
int	TagIndex (EvtId pid)
virtual	~EvtDecayTag ()
Private Attributes
std::vector< int >	_multiplicity
std::vector< int >	_nmode
EvtParticle *	root_par

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Constructor & Destructor Documentation

EvtDecayTag::EvtDecayTag (  EvtParticle *  par  )  [inline]

{ root_par = par; _nmode.clear(); _multiplicity.clear(); for(int i=0;i<10;i++){_multiplicity.push_back(0);} makeTag(root_par); }

virtual EvtDecayTag::~EvtDecayTag (   )  [inline, virtual]

{}

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Member Function Documentation

int EvtDecayTag::getHdrdBase (  int  index  )

{ int ten = 10; int base; if( index ==0 || index>=100 && index <1000) { return index;} else { base = index*ten; getHdrdBase(base); } }

int EvtDecayTag::getModeTag (   )

coding root_parent_mode * 10^9 + daug_0*10^6 + daug_1*10^3 { double seg0,seg1,seg2; int three = 1000; int six = 1000000; int themode = 1000000000; if(_nmode.size()==1) {themode += _nmode[0]*six; return themode;} else if(_nmode.size() == 2){ seg0 = _nmode[0]*six; seg1 = _nmode[1]*three; themode += seg0 + seg1; return themode; } else if(_nmode.size() >= 3){ seg0 = _nmode[0]*six; seg1 = _nmode[1]*three; seg2 = _nmode[2]; themode += seg0 + seg1 + seg2; return themode; } }

int EvtDecayTag::getMultTag (   )

10 digit in the order: N_gamma, N_e, N_mu, N_pi, N_kaon N_p, N_n, N_Ks, N_Lambda,DecayType { int thetag = 0; for(int i=0; i<9; i++){ int ndx = 8-i; int dig = pow(10,ndx); thetag += dig*_multiplicity[i]; } return thetag; }

void EvtDecayTag::makeTag (  EvtParticle *  par  )

{ int ndaug = par->getNDaug(); if(ndaug < 2){ EvtId id = par->getId(); int theTag = TagIndex(id); _multiplicity[theTag]++; } else { //-- if(par == root_par) { int theMode = root_par->getChannel(); _nmode.push_back(theMode); } //-- for(int i=0;i<ndaug;i++){ EvtParticle *theDaug = par->getDaug(i); if(par == root_par && theDaug->getNDaug()!=0){ int theMode = theDaug->getChannel(); _nmode.push_back(theMode); } int id = EvtPDL::getStdHep(theDaug->getId()); if (id == 310) _multiplicity[6]++; //Ks if (id ==3122) _multiplicity[7]++; // Lambda or Lambdabar makeTag(theDaug); } } }

int EvtDecayTag::TagIndex (  EvtId  pid  )

gamma : 0 e+/e- : 1 mu+/- : 2 pi+/- : 3 K+/- : 4 p+/- : 5 Ks : 6 Lambda: 7 others: 8 { int id = EvtPDL::getStdHep(pid); int absid=fabs(id); if( absid == 22 ) {return 0;} //photon else if(absid == 11 ) {return 1;} // electron else if(absid == 13) {return 2;} // muon else if(absid == 211) {return 3;} // pion else if(absid == 321) {return 4;} // Kaon else if(absid ==2212) {return 5;} // pronton / anti-proton else if(absid == 310) {return 6;} // Ks else if(absid ==3122) {return 7;} // Lambda / Lambdabar else {return 8;} }

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Member Data Documentation

std::vector<int> EvtDecayTag::_multiplicity [private]

std::vector<int> EvtDecayTag::_nmode [private]

EvtParticle* EvtDecayTag::root_par [private]

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

• /data0/mdestefa/bes3soft/Boss_6.5.5/dist/6.5.5/Generator/BesEvtGen/BesEvtGen-00-01-11/src/EvtGen/EvtGenBase/EvtDecayTag.hh
• /data0/mdestefa/bes3soft/Boss_6.5.5/dist/6.5.5/Generator/BesEvtGen/BesEvtGen-00-01-11/src/EvtGen/EvtGenBase/EvtDecayTag.cc

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