| 1 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
| 2 |
bendavid |
1.26 |
// $Id: Particle.h,v 1.25 2009/01/19 14:51:37 loizides Exp $
|
| 3 |
loizides |
1.1 |
//
|
| 4 |
|
|
// Particle
|
| 5 |
|
|
//
|
| 6 |
|
|
// Details to be worked out...
|
| 7 |
|
|
//
|
| 8 |
paus |
1.7 |
// Authors: C.Loizides
|
| 9 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
| 10 |
|
|
|
| 11 |
loizides |
1.18 |
#ifndef MITANA_DATATREE_PARTICLE_H
|
| 12 |
|
|
#define MITANA_DATATREE_PARTICLE_H
|
| 13 |
loizides |
1.9 |
|
| 14 |
|
|
#include <TMath.h>
|
| 15 |
|
|
#include "MitAna/DataTree/interface/DataObject.h"
|
| 16 |
bendavid |
1.26 |
#include "MitAna/DataTree/interface/CacheFlag.h"
|
| 17 |
loizides |
1.9 |
|
| 18 |
loizides |
1.1 |
namespace mithep
|
| 19 |
|
|
{
|
| 20 |
loizides |
1.3 |
class Particle : public DataObject
|
| 21 |
loizides |
1.1 |
{
|
| 22 |
|
|
public:
|
| 23 |
|
|
Particle() {}
|
| 24 |
loizides |
1.3 |
~Particle() {}
|
| 25 |
loizides |
1.11 |
|
| 26 |
loizides |
1.24 |
Double_t AbsEta() const { return TMath::Abs(Eta()); }
|
| 27 |
|
|
virtual Double_t Charge() const = 0;
|
| 28 |
|
|
Int_t Compare(const TObject *o) const;
|
| 29 |
|
|
virtual Double_t E() const { return Mom().E(); }
|
| 30 |
|
|
virtual Double_t Et() const;
|
| 31 |
|
|
virtual Double_t Eta() const { return Mom().Eta(); }
|
| 32 |
|
|
Bool_t IsSortable() const { return kTRUE; }
|
| 33 |
|
|
virtual Double_t Mass() const { return TMath::Sqrt(Mom().M2()); }
|
| 34 |
|
|
virtual Double_t Mt() const { return TMath::Sqrt(Mom().Mt2()); }
|
| 35 |
|
|
virtual FourVector Mom() const = 0;
|
| 36 |
|
|
EObjType ObjType() const { return kParticle; }
|
| 37 |
|
|
virtual Double_t Phi() const { return Mom().Phi(); }
|
| 38 |
|
|
Double_t PhiDeg() const { return Phi() * 180 /TMath::Pi(); }
|
| 39 |
|
|
virtual Double_t Pt() const { return Mom().Pt(); }
|
| 40 |
|
|
virtual Double_t Px() const { return Mom().Px(); }
|
| 41 |
|
|
virtual Double_t Py() const { return Mom().Py(); }
|
| 42 |
|
|
virtual Double_t Pz() const { return Mom().Pz(); }
|
| 43 |
|
|
virtual Double_t P() const { return Mom().P(); }
|
| 44 |
|
|
virtual Double_t Theta() const { return Mom().Theta(); }
|
| 45 |
loizides |
1.25 |
virtual Double_t TMass() const;
|
| 46 |
loizides |
1.24 |
void Print(Option_t *opt="") const;
|
| 47 |
loizides |
1.11 |
|
| 48 |
bendavid |
1.26 |
protected:
|
| 49 |
|
|
mutable CacheFlag fCacheFlag; //|| cache validity flag for cached momentum vector
|
| 50 |
|
|
|
| 51 |
loizides |
1.12 |
ClassDef(Particle, 1) // Generic particle class
|
| 52 |
loizides |
1.1 |
};
|
| 53 |
loizides |
1.8 |
}
|
| 54 |
loizides |
1.24 |
|
| 55 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 56 |
|
|
inline Int_t mithep::Particle::Compare(const TObject *o) const
|
| 57 |
|
|
{
|
| 58 |
|
|
// Default compare function for sorting according to transverse momentum.
|
| 59 |
|
|
// Returns -1 if this object is smaller than given object, 0 if objects are
|
| 60 |
|
|
// equal and 1 if this is larger than given object.
|
| 61 |
|
|
|
| 62 |
|
|
const mithep::Particle *p = dynamic_cast<const mithep::Particle *>(o);
|
| 63 |
|
|
if (!p)
|
| 64 |
|
|
return 1;
|
| 65 |
|
|
|
| 66 |
|
|
Double_t mypt = Pt();
|
| 67 |
|
|
Double_t pt = p->Pt();
|
| 68 |
|
|
if (mypt>pt)
|
| 69 |
|
|
return -1;
|
| 70 |
|
|
else if (pt>mypt)
|
| 71 |
|
|
return +1;
|
| 72 |
|
|
return 0;
|
| 73 |
|
|
}
|
| 74 |
|
|
|
| 75 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 76 |
|
|
inline Double_t mithep::Particle::Et() const
|
| 77 |
|
|
{
|
| 78 |
|
|
// Return transverse energy.
|
| 79 |
|
|
|
| 80 |
loizides |
1.25 |
return E()*Pt()/P();
|
| 81 |
|
|
}
|
| 82 |
|
|
|
| 83 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 84 |
|
|
inline Double_t mithep::Particle::TMass() const
|
| 85 |
|
|
{
|
| 86 |
|
|
// Return transverse mass.
|
| 87 |
|
|
|
| 88 |
|
|
return Mass()*Pt()/P();
|
| 89 |
loizides |
1.24 |
}
|
| 90 |
loizides |
1.8 |
#endif
|
