| 1 |
bendavid |
1.1 |
//--------------------------------------------------------------------------------------------------
|
| 2 |
bendavid |
1.12 |
// $Id: StableParticle.h,v 1.11 2009/03/18 15:44:32 loizides Exp $
|
| 3 |
bendavid |
1.1 |
//
|
| 4 |
|
|
// StableParticle
|
| 5 |
|
|
//
|
| 6 |
loizides |
1.4 |
// Generic stable particle with track. Stores absolute pdg code and link to track.
|
| 7 |
bendavid |
1.1 |
//
|
| 8 |
|
|
// Authors: C.Loizides, J.Bendavid
|
| 9 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 10 |
|
|
|
| 11 |
loizides |
1.5 |
#ifndef MITANA_DATATREE_STABLEPARTICLE_H
|
| 12 |
|
|
#define MITANA_DATATREE_STABLEPARTICLE_H
|
| 13 |
bendavid |
1.1 |
|
| 14 |
|
|
#include "MitAna/DataTree/interface/ChargedParticle.h"
|
| 15 |
|
|
|
| 16 |
|
|
namespace mithep
|
| 17 |
|
|
{
|
| 18 |
|
|
class StableParticle : public ChargedParticle
|
| 19 |
|
|
{
|
| 20 |
|
|
public:
|
| 21 |
bendavid |
1.3 |
StableParticle() : fAbsPdgId(0) {}
|
| 22 |
|
|
StableParticle(UInt_t absPdgId) : fAbsPdgId(absPdgId) {}
|
| 23 |
bendavid |
1.8 |
StableParticle(UInt_t absPdgId, const Track *track) : fAbsPdgId(absPdgId), fTrackRef(track) {}
|
| 24 |
bendavid |
1.1 |
|
| 25 |
loizides |
1.7 |
UInt_t AbsPdgId() const { return fAbsPdgId; }
|
| 26 |
bendavid |
1.8 |
const Track *Trk() const { return fTrackRef.Obj(); }
|
| 27 |
loizides |
1.7 |
const Track *TrackerTrk() const { return Trk(); }
|
| 28 |
|
|
EObjType ObjType() const { return kStableParticle; }
|
| 29 |
loizides |
1.11 |
TParticlePDG *PdgEntry() const;
|
| 30 |
|
|
void SetAbsPdgId(UInt_t apdg) { fAbsPdgId=apdg; ClearMom(); }
|
| 31 |
|
|
void SetTrk(const Track *t) { fTrackRef = t; ClearMom(); ClearCharge(); }
|
| 32 |
bendavid |
1.1 |
|
| 33 |
|
|
protected:
|
| 34 |
loizides |
1.9 |
Double_t GetMass() const;
|
| 35 |
|
|
|
| 36 |
loizides |
1.11 |
UInt_t fAbsPdgId; //pdg identifier (absolute value)
|
| 37 |
|
|
Ref<Track> fTrackRef; //tracker track reference
|
| 38 |
bendavid |
1.1 |
|
| 39 |
loizides |
1.4 |
ClassDef(StableParticle, 1) // Stable particle class
|
| 40 |
bendavid |
1.1 |
};
|
| 41 |
|
|
}
|
| 42 |
|
|
|
| 43 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 44 |
loizides |
1.9 |
inline Double_t mithep::StableParticle::GetMass() const
|
| 45 |
|
|
{
|
| 46 |
loizides |
1.11 |
// Get mass from pdg lookup.
|
| 47 |
loizides |
1.9 |
|
| 48 |
loizides |
1.11 |
TParticlePDG *pdgEntry = PdgEntry();
|
| 49 |
loizides |
1.9 |
if (pdgEntry)
|
| 50 |
|
|
return pdgEntry->Mass();
|
| 51 |
|
|
else {
|
| 52 |
|
|
Error("GetMass",
|
| 53 |
|
|
"Absolute pdg code %i not found in table, returning mass=-99.0 GeV", fAbsPdgId);
|
| 54 |
|
|
return -99.0;
|
| 55 |
|
|
}
|
| 56 |
|
|
}
|
| 57 |
bendavid |
1.1 |
#endif
|
