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//--------------------------------------------------------------------------------------------------
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// $Id: StableParticle.h,v 1.2 2008/07/29 07:55:40 loizides Exp $
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bendavid |
1.1 |
//
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// StableParticle
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//
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bendavid |
1.3 |
// Generic stable particle with track. Stores absolute pdg code and link to track.
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bendavid |
1.1 |
//
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// Authors: C.Loizides, J.Bendavid
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//--------------------------------------------------------------------------------------------------
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#ifndef DATATREE_STABLEPARTICLE_H
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#define DATATREE_STABLEPARTICLE_H
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#include "MitAna/DataTree/interface/ChargedParticle.h"
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namespace mithep
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{
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class StableParticle : public ChargedParticle
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{
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public:
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1.3 |
StableParticle() : fAbsPdgId(0) {}
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StableParticle(UInt_t absPdgId) : fAbsPdgId(absPdgId) {}
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StableParticle(UInt_t absPdgId, Track *track) : fAbsPdgId(absPdgId), fTrackRef(track) {}
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~StableParticle() {}
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UInt_t AbsPdgId() const { return fAbsPdgId; }
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const Track *Trk() const;
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Double_t Mass() const;
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TParticlePDG *ParticlePdgEntry() const;
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void SetAbsPdgId(UInt_t absPdgId) { fAbsPdgId=absPdgId; }
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void SetTrk(Track* t) { fTrackRef = t; }
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protected:
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UInt_t fAbsPdgId; //pdg identifier (absolute value)
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TRef fTrackRef; //tracker track reference
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ClassDef(StableParticle, 1) // StableParticle class
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};
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}
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//--------------------------------------------------------------------------------------------------
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inline const mithep::Track *mithep::StableParticle::Trk() const
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{
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// Return tracker track.
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return static_cast<const Track*>(fTrackRef.GetObject());
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}
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//--------------------------------------------------------------------------------------------------
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inline TParticlePDG *mithep::StableParticle::ParticlePdgEntry() const
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{
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// Return entry to pdg database for the PARTICLE.
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return TDatabasePDG::Instance()->GetParticle(fAbsPdgId);
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}
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#endif
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