| 1 |
//--------------------------------------------------------------------------------------------------
|
| 2 |
// $Id: StableParticle.h,v 1.13 2012/03/28 12:15:34 paus Exp $
|
| 3 |
//
|
| 4 |
// StableParticle
|
| 5 |
//
|
| 6 |
// Generic stable particle with track. Stores absolute pdg code and link to track.
|
| 7 |
//
|
| 8 |
// Authors: C.Loizides, J.Bendavid
|
| 9 |
//--------------------------------------------------------------------------------------------------
|
| 10 |
|
| 11 |
#ifndef MITANA_DATATREE_STABLEPARTICLE_H
|
| 12 |
#define MITANA_DATATREE_STABLEPARTICLE_H
|
| 13 |
|
| 14 |
#include "MitAna/DataTree/interface/ChargedParticle.h"
|
| 15 |
|
| 16 |
namespace mithep
|
| 17 |
{
|
| 18 |
class StableParticle : public ChargedParticle
|
| 19 |
{
|
| 20 |
public:
|
| 21 |
StableParticle() : fAbsPdgId(0) {}
|
| 22 |
StableParticle(UInt_t absPdgId) : fAbsPdgId(absPdgId) {}
|
| 23 |
StableParticle(UInt_t absPdgId, const Track *track) : fAbsPdgId(absPdgId), fTrackRef(track) {}
|
| 24 |
|
| 25 |
UInt_t AbsPdgId() const { return fAbsPdgId; }
|
| 26 |
const Track *Trk() const { return fTrackRef.Obj(); }
|
| 27 |
const Track *TrackerTrk() const { return Trk(); }
|
| 28 |
EObjType ObjType() const { return kStableParticle; }
|
| 29 |
TParticlePDG *PdgEntry() const;
|
| 30 |
void SetAbsPdgId(UInt_t apdg) { fAbsPdgId=apdg; ClearMom(); }
|
| 31 |
void SetTrk(const Track *t) { fTrackRef = t; ClearMom(); ClearCharge(); }
|
| 32 |
|
| 33 |
// Some structural tools
|
| 34 |
void Mark(UInt_t i=1) const;
|
| 35 |
|
| 36 |
protected:
|
| 37 |
Double_t GetMass() const;
|
| 38 |
|
| 39 |
UInt_t fAbsPdgId; //pdg identifier (absolute value)
|
| 40 |
Ref<Track> fTrackRef; //tracker track reference
|
| 41 |
|
| 42 |
ClassDef(StableParticle, 1) // Stable particle class
|
| 43 |
};
|
| 44 |
}
|
| 45 |
|
| 46 |
//--------------------------------------------------------------------------------------------------
|
| 47 |
inline void mithep::StableParticle::Mark(UInt_t ib) const
|
| 48 |
{
|
| 49 |
// mark myself
|
| 50 |
mithep::DataObject::Mark(ib);
|
| 51 |
// mark my dependencies if they are there
|
| 52 |
if (fTrackRef.IsValid())
|
| 53 |
fTrackRef.Obj()->Mark(ib);
|
| 54 |
}
|
| 55 |
|
| 56 |
//--------------------------------------------------------------------------------------------------
|
| 57 |
inline Double_t mithep::StableParticle::GetMass() const
|
| 58 |
{
|
| 59 |
// Get mass from pdg lookup.
|
| 60 |
|
| 61 |
TParticlePDG *pdgEntry = PdgEntry();
|
| 62 |
if (pdgEntry)
|
| 63 |
return pdgEntry->Mass();
|
| 64 |
else {
|
| 65 |
Error("GetMass",
|
| 66 |
"Absolute pdg code %i not found in table, returning mass=-99.0 GeV", fAbsPdgId);
|
| 67 |
return -99.0;
|
| 68 |
}
|
| 69 |
}
|
| 70 |
#endif
|
