1 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
2 |
loizides |
1.12 |
// $Id: Track.h,v 1.11 2008/07/03 09:47:49 paus Exp $
|
3 |
loizides |
1.1 |
//
|
4 |
|
|
// Track
|
5 |
|
|
//
|
6 |
loizides |
1.10 |
// This will/must be re-written :-)
|
7 |
loizides |
1.1 |
//
|
8 |
loizides |
1.5 |
// Authors: C.Loizides, J.Bendavid, C.Paus
|
9 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
10 |
loizides |
1.7 |
|
11 |
paus |
1.6 |
#ifndef DATATREE_TRACK_H
|
12 |
|
|
#define DATATREE_TRACK_H
|
13 |
|
|
|
14 |
|
|
#include "MitAna/DataTree/interface/DataObject.h"
|
15 |
loizides |
1.9 |
#include "MitAna/DataTree/interface/SimParticle.h"
|
16 |
|
|
#include "MitAna/DataTree/interface/Types.h"
|
17 |
loizides |
1.1 |
|
18 |
|
|
namespace mithep
|
19 |
|
|
{
|
20 |
|
|
class Track : public DataObject
|
21 |
|
|
{
|
22 |
|
|
public:
|
23 |
loizides |
1.12 |
Track() : fPhi(0), fD0(0), fPt(0), fDz(0), fTheta(0), fPhiErr(0), fD0Err(0), fPtErr(0),
|
24 |
|
|
fDzErr(0), fThetaErr(0), fCharge(0) {}
|
25 |
paus |
1.4 |
Track(Double_t phi, Double_t d0, Double_t pt, Double_t dz, Double_t theta) :
|
26 |
loizides |
1.12 |
fPhi(phi), fD0(d0), fPt(pt), fDz(dz), fTheta(theta), fPhiErr(0), fD0Err(0), fPtErr(0),
|
27 |
|
|
fDzErr(0), fThetaErr(0), fCharge(0) {}
|
28 |
loizides |
1.1 |
~Track() {}
|
29 |
|
|
|
30 |
paus |
1.11 |
Int_t Charge() const { return fCharge; }
|
31 |
|
|
Double_t D0() const { return fD0; }
|
32 |
|
|
Double_t D0Err() const { return fD0Err; }
|
33 |
|
|
Double_t Dz() const { return fDz; }
|
34 |
|
|
Double_t DzErr() const { return fDzErr; }
|
35 |
|
|
ThreeVector Mom() const { return ThreeVector(Px(),Py(),Pz()); }
|
36 |
|
|
Double_t P2() const { return Px()*Px()+Py()*Py()+Pz()*Pz(); }
|
37 |
|
|
Double_t P() const { return sqrt(P2()); }
|
38 |
|
|
Double_t Px() const { return cos(fPhi)*fabs(fPt); }
|
39 |
|
|
Double_t Py() const { return sin(fPhi)*fabs(fPt); }
|
40 |
|
|
Double_t Pz() const { return fabs(fPt)/tan(fTheta); }
|
41 |
|
|
Double_t Phi() const { return fPhi; }
|
42 |
|
|
Double_t PhiErr() const { return fPhiErr; }
|
43 |
|
|
Double_t Pt() const { return fPt; }
|
44 |
|
|
Double_t PtErr() const { return fPtErr; }
|
45 |
|
|
Double_t Theta() const { return fTheta; }
|
46 |
|
|
Double_t ThetaErr() const { return fThetaErr; }
|
47 |
loizides |
1.10 |
|
48 |
paus |
1.11 |
FourVector Mom4(double m) const { return FourVector(Px(),Py(),Pz(),E(m)); }
|
49 |
|
|
Double_t E2(double m) const { return P2()+m*m; }
|
50 |
|
|
Double_t E(double m) const { return sqrt(E2(m)); }
|
51 |
|
|
|
52 |
loizides |
1.10 |
void SetCharge(Int_t charge) { fCharge = charge; }
|
53 |
|
|
void SetHelix (Double_t phi, Double_t d0, Double_t pt, Double_t dz, Double_t theta);
|
54 |
|
|
void SetErrors(Double_t phiErr, Double_t d0Err, Double_t ptErr,
|
55 |
|
|
Double_t dzErr, Double_t thetaErr);
|
56 |
loizides |
1.9 |
|
57 |
loizides |
1.10 |
SimParticle* GetSimParticle() const { return (SimParticle*)fSimParticleRef.GetObject(); }
|
58 |
|
|
void SetSimParticle(SimParticle* p) { fSimParticleRef = p; }
|
59 |
loizides |
1.9 |
|
60 |
paus |
1.4 |
protected:
|
61 |
loizides |
1.12 |
Double_t fPhi; //azimuthal angle
|
62 |
|
|
Double_t fD0; //raw impact parameter
|
63 |
|
|
Double_t fPt; //transverse momentum
|
64 |
|
|
Double_t fDz; //z-displacement
|
65 |
|
|
Double_t fTheta; //polar angle
|
66 |
|
|
Double_t fPhiErr; //uncertainy on phi
|
67 |
|
|
Double_t fD0Err; //uncertainty on D0
|
68 |
|
|
Double_t fPtErr; //uncertainty on pt
|
69 |
|
|
Double_t fDzErr; //uncertainty on dz
|
70 |
|
|
Double_t fThetaErr; //uncertainty on theta
|
71 |
|
|
Int_t fCharge; //electric charge of reconstructed track
|
72 |
loizides |
1.10 |
TRef fSimParticleRef; //reference to sim particle (for monte carlo)
|
73 |
loizides |
1.5 |
|
74 |
loizides |
1.8 |
ClassDef(Track, 1) // Track class
|
75 |
loizides |
1.1 |
};
|
76 |
loizides |
1.5 |
}
|
77 |
loizides |
1.1 |
|
78 |
loizides |
1.5 |
//--------------------------------------------------------------------------------------------------
|
79 |
paus |
1.4 |
inline
|
80 |
loizides |
1.5 |
void mithep::Track::SetHelix(Double_t phi, Double_t d0, Double_t pt, Double_t dz, Double_t theta)
|
81 |
|
|
{
|
82 |
paus |
1.4 |
fPhi = phi;
|
83 |
|
|
fD0 = d0;
|
84 |
|
|
fPt = pt;
|
85 |
|
|
fDz = dz;
|
86 |
|
|
fTheta = theta;
|
87 |
|
|
}
|
88 |
|
|
|
89 |
loizides |
1.5 |
//--------------------------------------------------------------------------------------------------
|
90 |
paus |
1.4 |
inline
|
91 |
|
|
void mithep::Track::SetErrors(Double_t phiErr, Double_t d0Err, Double_t ptErr, Double_t dzErr,
|
92 |
loizides |
1.5 |
Double_t thetaErr)
|
93 |
|
|
{
|
94 |
paus |
1.4 |
fPhiErr = phiErr;
|
95 |
|
|
fD0Err = d0Err;
|
96 |
|
|
fPtErr = ptErr;
|
97 |
|
|
fDzErr = dzErr;
|
98 |
|
|
fThetaErr = thetaErr;
|
99 |
|
|
}
|
100 |
loizides |
1.5 |
#endif
|