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//--------------------------------------------------------------------------------------------------
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// $Id: CompositeParticle.h,v 1.3 2008/07/02 21:46:01 loizides Exp $
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//
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// Composite Particle
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//
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// A composite particle class that holds other (daughter) particles.
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//
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// Authors: J.Bendavid, C.Loizides
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//--------------------------------------------------------------------------------------------------
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#ifndef DATATREE_COMPOSITEPARTICLE_H
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#define DATATREE_COMPOSITEPARTICLE_H
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#include "MitAna/DataTree/interface/Types.h"
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#include "MitAna/DataTree/interface/RefArray.h"
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#include "MitAna/DataTree/interface/Particle.h"
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namespace mithep
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{
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class CompositeParticle : public Particle
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{
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public:
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CompositeParticle() { SetClearBit(); }
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~CompositeParticle() {}
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void AddDaughter(Particle *p) { fDaughters.Add(p); fDaughters.Trim(); }
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Int_t Charge() const;
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const Particle *GetDaughter(UInt_t i) const { return fDaughters.At(i); }
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UInt_t GetNDaughters() const { return fDaughters.GetEntries(); }
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Bool_t HasCommonDaughter(const CompositeParticle *p) const;
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Bool_t HasSameDaughters(const CompositeParticle *p) const;
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Bool_t IsDaughter(const Particle *p) const;
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FourVector Mom() const;
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protected:
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void Clear(Option_t */*option*/="") { fDaughters.Reset(); }
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RefArray<Particle> fDaughters; //references to daughter particles
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ClassDef(CompositeParticle, 1) // Composite particle class
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};
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}
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#endif
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