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// $Id: DecayParticle.cc,v 1.4 2008/09/30 12:53:59 bendavid Exp $
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#include "MitAna/DataTree/interface/DecayParticle.h"
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ClassImp(mithep::DecayParticle)
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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Double_t DecayParticle::Charge() const
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{
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// Return sum of charge of daughter particles.
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Double_t charge = 0;
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for (UInt_t i=0; i<NDaughters(); ++i)
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charge += DaughterDat(i)->Charge();
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return charge;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t DecayParticle::PdgMass() const
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{
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// Get Mass from Pdg Lookup
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TParticlePDG* pdgEntry = ParticlePdgEntry();
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if (pdgEntry)
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return pdgEntry->Mass();
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else {
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return -99.0;
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printf("Absolute Pdg Code %i not found in table, returning Mass=-99.0 GeV", fAbsPdgId);
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}
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t DecayParticle::HasDaughter(const Particle* p) const
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{
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// Return true if given particle is among daughters.
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if(!p) return kFALSE;
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if (!NDaughters())
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return kFALSE;
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for (UInt_t i=0; i<NDaughters(); ++i)
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if (Daughter(i)==p)
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return kTRUE;
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return kFALSE;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t DecayParticle::HasCommonDaughter(const DecayParticle *p) const
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{
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// Return true if a common daughter exists.
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if(!p) return kFALSE;
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for (UInt_t i=0; i<p->NDaughters(); ++i)
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if (HasDaughter(p->Daughter(i)))
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return kTRUE;
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return kFALSE;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t DecayParticle::HasSameDaughters(const DecayParticle* p) const
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{
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// Return true if daughters are the same.
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if(!p) return kFALSE;
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if (NDaughters()!= p->NDaughters())
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return kFALSE;
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for (UInt_t i=0; i<p->NDaughters(); ++i)
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if (!HasDaughter(p->Daughter(i)))
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return kFALSE;
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return kTRUE;
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}
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