1 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
2 |
bendavid |
1.33 |
// $Id: Track.h,v 1.32 2009/01/22 14:21:32 loizides Exp $
|
3 |
loizides |
1.1 |
//
|
4 |
|
|
// Track
|
5 |
|
|
//
|
6 |
bendavid |
1.15 |
// We store the CMSSW track parameterization
|
7 |
|
|
// Parameters associated to the 5D curvilinear covariance matrix:
|
8 |
|
|
// (qoverp, lambda, phi, dxy, dsz)
|
9 |
|
|
// defined as:
|
10 |
|
|
// qoverp = q / abs(p) = signed inverse of momentum [1/GeV]
|
11 |
|
|
// lambda = pi/2 - polar angle at the given point
|
12 |
|
|
// phi = azimuth angle at the given point
|
13 |
|
|
// dxy = -vx*sin(phi) + vy*cos(phi) [cm]
|
14 |
|
|
// dsz = vz*cos(lambda) - (vx*cos(phi)+vy*sin(phi))*sin(lambda) [cm]
|
15 |
loizides |
1.18 |
// (See http://cmslxr.fnal.gov/lxr/source/DataFormats/TrackReco/interface/TrackBase.h)
|
16 |
bendavid |
1.15 |
//
|
17 |
|
|
// Format for fHits: (We do not use anything resembling reco::HitPattern from CMSSW because that
|
18 |
|
|
// data format requires 800 bits per track!)
|
19 |
|
|
// There is a one to one mapping between bits and tracker layers, where layers are enumerated
|
20 |
|
|
// seperately in the PXB, PXF, TIB, TID, TOB, TEC and r-phi and stereo modules are treated as
|
21 |
|
|
// seperate layers in those detectors which have them
|
22 |
bendavid |
1.25 |
// (TIB L1,L2, TID L1,L2,L3, TOB L1,L2, TEC L1,L2,L3,L4,L5,L6,L7,L8,L9).
|
23 |
bendavid |
1.15 |
//
|
24 |
|
|
// A bit value of 1 indicates a hit in the corresponding layer, and 0 indicates no hit.
|
25 |
|
|
//
|
26 |
|
|
// Note that currently this only stores information about hits in the Tracker,
|
27 |
loizides |
1.16 |
// but muon chamber information will likely be added as well.
|
28 |
bendavid |
1.15 |
//
|
29 |
|
|
// Bit-Layer assignments (starting from bit 0):
|
30 |
|
|
// Bit 0: PXB L1
|
31 |
|
|
// Bit 1: PXB L2
|
32 |
|
|
// Bit 2: PXB L3
|
33 |
|
|
// Bit 3: PXF L1
|
34 |
|
|
// Bit 4: PXF L2
|
35 |
|
|
// Bit 5: TIB L1 r-phi
|
36 |
|
|
// Bit 6: TIB L1 stereo
|
37 |
|
|
// Bit 7: TIB L2 r-phi
|
38 |
|
|
// Bit 8: TIB L2 stereo
|
39 |
|
|
// Bit 9: TIB L3 r-phi
|
40 |
|
|
// Bit 10: TIB L4 r-phi
|
41 |
loizides |
1.16 |
// Bit 11: TID L1 r-phi
|
42 |
bendavid |
1.15 |
// Bit 12: TID L1 stereo
|
43 |
loizides |
1.16 |
// Bit 13: TID L2 r-phi
|
44 |
bendavid |
1.15 |
// Bit 14: TID L2 stereo
|
45 |
loizides |
1.16 |
// Bit 15: TID L3 r-phi
|
46 |
bendavid |
1.23 |
// Bit 16: TID L3 stereo
|
47 |
|
|
// Bit 17: TOB L1 r-phi
|
48 |
|
|
// Bit 18: TOB L1 stereo
|
49 |
|
|
// Bit 19: TOB L2 r-phi
|
50 |
|
|
// Bit 20: TOB L2 stereo
|
51 |
|
|
// Bit 21: TOB L3 r-phi
|
52 |
|
|
// Bit 22: TOB L4 r-phi
|
53 |
|
|
// Bit 23: TOB L5 r-phi
|
54 |
|
|
// Bit 24: TOB L6 r-phi
|
55 |
|
|
// Bit 25: TEC L1 r-phi
|
56 |
|
|
// Bit 26: TEC L1 stereo
|
57 |
|
|
// Bit 27: TEC L2 r-phi
|
58 |
|
|
// Bit 28: TEC L2 stereo
|
59 |
|
|
// Bit 29: TEC L3 r-phi
|
60 |
|
|
// Bit 30: TEC L3 stereo
|
61 |
|
|
// Bit 31: TEC L4 r-phi
|
62 |
|
|
// Bit 32: TEC L4 stereo
|
63 |
|
|
// Bit 33: TEC L5 r-phi
|
64 |
|
|
// Bit 34: TEC L5 stereo
|
65 |
|
|
// Bit 35: TEC L6 r-phi
|
66 |
|
|
// Bit 36: TEC L6 stereo
|
67 |
|
|
// Bit 37: TEC L7 r-phi
|
68 |
|
|
// Bit 38: TEC L7 stereo
|
69 |
|
|
// Bit 39: TEC L8 r-phi
|
70 |
|
|
// Bit 40: TEC L8 stereo
|
71 |
|
|
// Bit 41: TEC L9 r-phi
|
72 |
|
|
// Bit 42: TEC L9 stereo
|
73 |
loizides |
1.1 |
//
|
74 |
loizides |
1.5 |
// Authors: C.Loizides, J.Bendavid, C.Paus
|
75 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
76 |
loizides |
1.7 |
|
77 |
loizides |
1.17 |
#ifndef MITANA_DATATREE_TRACK_H
|
78 |
|
|
#define MITANA_DATATREE_TRACK_H
|
79 |
paus |
1.6 |
|
80 |
|
|
#include "MitAna/DataTree/interface/DataObject.h"
|
81 |
bendavid |
1.27 |
#include "MitAna/DataTree/interface/SuperCluster.h"
|
82 |
bendavid |
1.14 |
#include "MitAna/DataTree/interface/MCParticle.h"
|
83 |
loizides |
1.18 |
#include "MitAna/DataTree/interface/BitMask.h"
|
84 |
bendavid |
1.28 |
#include "MitAna/DataTree/interface/BaseVertex.h"
|
85 |
loizides |
1.9 |
#include "MitAna/DataTree/interface/Types.h"
|
86 |
loizides |
1.1 |
|
87 |
|
|
namespace mithep
|
88 |
|
|
{
|
89 |
|
|
class Track : public DataObject
|
90 |
|
|
{
|
91 |
|
|
public:
|
92 |
loizides |
1.18 |
enum EHitLayer {
|
93 |
|
|
PXB1,
|
94 |
|
|
PXB2,
|
95 |
|
|
PXB3,
|
96 |
|
|
PXF1,
|
97 |
|
|
PXF2,
|
98 |
|
|
TIB1,
|
99 |
|
|
TIB1S,
|
100 |
|
|
TIB2,
|
101 |
|
|
TIB2S,
|
102 |
|
|
TIB3,
|
103 |
|
|
TIB4,
|
104 |
|
|
TID1,
|
105 |
|
|
TID1S,
|
106 |
|
|
TID2,
|
107 |
|
|
TID2S,
|
108 |
|
|
TID3,
|
109 |
bendavid |
1.23 |
TID3S,
|
110 |
loizides |
1.18 |
TOB1,
|
111 |
|
|
TOB1S,
|
112 |
|
|
TOB2,
|
113 |
|
|
TOB2S,
|
114 |
|
|
TOB3,
|
115 |
|
|
TOB4,
|
116 |
|
|
TOB5,
|
117 |
|
|
TOB6,
|
118 |
|
|
TEC1,
|
119 |
|
|
TEC1S,
|
120 |
|
|
TEC2,
|
121 |
|
|
TEC2S,
|
122 |
|
|
TEC3,
|
123 |
bendavid |
1.23 |
TEC3S,
|
124 |
loizides |
1.18 |
TEC4,
|
125 |
bendavid |
1.23 |
TEC4S,
|
126 |
loizides |
1.18 |
TEC5,
|
127 |
|
|
TEC5S,
|
128 |
|
|
TEC6,
|
129 |
bendavid |
1.23 |
TEC6S,
|
130 |
loizides |
1.18 |
TEC7,
|
131 |
bendavid |
1.23 |
TEC7S,
|
132 |
loizides |
1.18 |
TEC8,
|
133 |
bendavid |
1.23 |
TEC8S,
|
134 |
|
|
TEC9,
|
135 |
|
|
TEC9S
|
136 |
loizides |
1.18 |
};
|
137 |
|
|
|
138 |
bendavid |
1.15 |
Track() : fQOverP(0), fQOverPErr(0), fLambda(0), fLambdaErr(0),
|
139 |
|
|
fPhi0(0), fPhi0Err(0), fDxy(0), fDxyErr(0), fDsz(0), fDszErr(0),
|
140 |
bendavid |
1.27 |
fChi2(0), fNdof(0), fEtaEcal(0), fPhiEcal(0) {}
|
141 |
bendavid |
1.15 |
Track(Double_t qOverP, Double_t lambda, Double_t phi0, Double_t dxy, Double_t dsz) :
|
142 |
|
|
fQOverP(qOverP), fQOverPErr(0), fLambda(lambda), fLambdaErr(0),
|
143 |
|
|
fPhi0(phi0), fPhi0Err(0), fDxy(dxy), fDxyErr(0), fDsz(dsz), fDszErr(0),
|
144 |
bendavid |
1.27 |
fChi2(0), fNdof(0), fEtaEcal(0), fPhiEcal(0) {}
|
145 |
loizides |
1.1 |
~Track() {}
|
146 |
|
|
|
147 |
loizides |
1.32 |
Int_t Charge() const { return (fQOverP>0) ? 1 : -1; }
|
148 |
|
|
Double_t Chi2() const { return fChi2; }
|
149 |
|
|
Double_t RChi2() const { return fChi2/(Double_t)fNdof; }
|
150 |
loizides |
1.30 |
void ClearHit(EHitLayer l) { fHits.ClearBit(l); }
|
151 |
loizides |
1.32 |
Double_t D0() const { return -fDxy; }
|
152 |
loizides |
1.30 |
Double_t D0Corrected(const BaseVertex *iVertex) const;
|
153 |
loizides |
1.32 |
Double_t D0Err() const { return fDxyErr; }
|
154 |
|
|
Double_t Dsz() const { return fDsz; }
|
155 |
|
|
Double_t DszErr() const { return fDszErr; }
|
156 |
|
|
Double_t Dxy() const { return fDxy; }
|
157 |
|
|
Double_t DxyErr() const { return fDxyErr; }
|
158 |
|
|
Double_t E(Double_t m) const { return TMath::Sqrt(E2(m)); }
|
159 |
|
|
Double_t E2(Double_t m) const { return P2()+m*m; }
|
160 |
|
|
Double_t Eta() const { return Mom().Eta(); }
|
161 |
|
|
Double_t EtaEcal() const { return fEtaEcal; }
|
162 |
|
|
Bool_t Hit(EHitLayer l) const { return fHits.TestBit(l); }
|
163 |
|
|
const BitMask48 &Hits() const { return fHits; }
|
164 |
|
|
Double_t Lambda() const { return fLambda; }
|
165 |
|
|
Double_t LambdaErr() const { return fLambdaErr; }
|
166 |
bendavid |
1.33 |
const MCParticle *MCPart() const { return fMCParticleRef.Obj(); }
|
167 |
loizides |
1.32 |
ThreeVector Mom() const { return ThreeVector(Px(),Py(),Pz()); }
|
168 |
|
|
FourVector Mom4(Double_t m) const { return FourVector(Px(),Py(),Pz(),E(m)); }
|
169 |
|
|
UInt_t Ndof() const { return fNdof; }
|
170 |
|
|
UInt_t NHits() const { return fHits.NBitsSet(); }
|
171 |
|
|
UInt_t NStereoHits() const { return StereoHits().NBitsSet(); }
|
172 |
|
|
EObjType ObjType() const { return kTrack; }
|
173 |
|
|
Double_t P2() const { return P()*P(); }
|
174 |
|
|
Double_t P() const { return TMath::Abs(1./fQOverP); }
|
175 |
|
|
Double_t Phi() const { return fPhi0; }
|
176 |
|
|
Double_t Phi0() const { return fPhi0; }
|
177 |
|
|
Double_t Phi0Err() const { return fPhi0Err; }
|
178 |
|
|
Double_t PhiEcal() const { return fPhiEcal; }
|
179 |
|
|
Double_t Prob() const { return TMath::Prob(fChi2,fNdof); }
|
180 |
|
|
Double_t Pt() const { return TMath::Abs(TMath::Cos(fLambda)/fQOverP); }
|
181 |
|
|
Double_t Px() const { return Pt()*TMath::Cos(fPhi0); }
|
182 |
|
|
Double_t Py() const { return Pt()*TMath::Sin(fPhi0); }
|
183 |
|
|
Double_t Pz() const { return P()*TMath::Sin(fLambda); }
|
184 |
|
|
Double_t QOverP() const { return fQOverP; }
|
185 |
|
|
Double_t QOverPErr() const { return fQOverPErr; }
|
186 |
|
|
Double_t Theta() const { return (TMath::PiOver2() - fLambda); }
|
187 |
|
|
Double_t Z0() const { return fDsz/TMath::Cos(fLambda); }
|
188 |
bendavid |
1.33 |
const SuperCluster *SCluster() const { return fSuperClusterRef.Obj(); }
|
189 |
loizides |
1.32 |
const BitMask48 StereoHits() const { return (fHits & StereoLayers()); }
|
190 |
loizides |
1.30 |
void SetChi2(Double_t chi2) { fChi2 = chi2; }
|
191 |
|
|
void SetErrors(Double_t qOverPErr, Double_t lambdaErr, Double_t phi0Err,
|
192 |
|
|
Double_t dXyErr, Double_t dSzErr);
|
193 |
|
|
void SetEtaEcal(Double_t eta) { fEtaEcal = eta; }
|
194 |
|
|
void SetHelix (Double_t qOverP, Double_t lambda, Double_t phi0,
|
195 |
|
|
Double_t dXy, Double_t dSz);
|
196 |
|
|
void SetHit(EHitLayer l) { fHits.SetBit(l); }
|
197 |
|
|
void SetHits(const BitMask48 &hits) { fHits = hits; }
|
198 |
|
|
void SetNdof(UInt_t dof) { fNdof = dof; }
|
199 |
bendavid |
1.33 |
void SetMCPart(const MCParticle *p) { fMCParticleRef = p; }
|
200 |
loizides |
1.30 |
void SetPhiEcal(Double_t phi) { fPhiEcal = phi; }
|
201 |
bendavid |
1.33 |
void SetSCluster(const SuperCluster* sc) { fSuperClusterRef = sc; }
|
202 |
loizides |
1.30 |
|
203 |
|
|
static
|
204 |
|
|
const BitMask48 StereoLayers();
|
205 |
loizides |
1.18 |
|
206 |
paus |
1.4 |
protected:
|
207 |
loizides |
1.30 |
BitMask48 fHits; //storage for mostly hit information
|
208 |
|
|
Double_t fQOverP; //signed inverse of momentum [1/GeV]
|
209 |
|
|
Double_t fQOverPErr; //error of q/p
|
210 |
|
|
Double_t fLambda; //pi/2 - polar angle at the reference point
|
211 |
|
|
Double_t fLambdaErr; //error of lambda
|
212 |
|
|
Double_t fPhi0; //azimuth angle at the given point
|
213 |
|
|
Double_t fPhi0Err; //error of azimuthal angle
|
214 |
|
|
Double_t fDxy; //transverse distance to reference point [cm]
|
215 |
|
|
Double_t fDxyErr; //error of transverse distance
|
216 |
|
|
Double_t fDsz; //longitudinal distance to reference point [cm]
|
217 |
|
|
Double_t fDszErr; //error of longitudinal distance
|
218 |
|
|
Double_t fChi2; //chi squared of track fit
|
219 |
|
|
UInt_t fNdof; //degree-of-freedom of track fit
|
220 |
|
|
Double32_t fEtaEcal; //eta of track at Ecal front face
|
221 |
|
|
Double32_t fPhiEcal; //phi of track at Ecal front face
|
222 |
bendavid |
1.33 |
Ref<SuperCluster> fSuperClusterRef; //superCluster crossed by track
|
223 |
|
|
Ref<MCParticle> fMCParticleRef; //reference to sim particle (for monte carlo)
|
224 |
loizides |
1.5 |
|
225 |
bendavid |
1.27 |
ClassDef(Track, 2) // Track class
|
226 |
loizides |
1.1 |
};
|
227 |
loizides |
1.5 |
}
|
228 |
loizides |
1.1 |
|
229 |
loizides |
1.5 |
//--------------------------------------------------------------------------------------------------
|
230 |
bendavid |
1.28 |
inline Double_t mithep::Track::D0Corrected(const BaseVertex *iVertex) const
|
231 |
|
|
{
|
232 |
loizides |
1.30 |
// Return corrected d0 with respect to primary vertex or beamspot.
|
233 |
bendavid |
1.28 |
|
234 |
|
|
Double_t lXM = -TMath::Sin(Phi()) * D0();
|
235 |
|
|
Double_t lYM = TMath::Cos(Phi()) * D0();
|
236 |
|
|
Double_t lDX = (lXM + iVertex->X());
|
237 |
|
|
Double_t lDY = (lYM + iVertex->Y());
|
238 |
|
|
Double_t d0Corr = (Px()*lDY - Py()*lDX)/Pt();
|
239 |
|
|
|
240 |
|
|
return d0Corr;
|
241 |
|
|
}
|
242 |
|
|
|
243 |
|
|
//--------------------------------------------------------------------------------------------------
|
244 |
paus |
1.4 |
inline
|
245 |
bendavid |
1.15 |
void mithep::Track::SetHelix(Double_t qOverP, Double_t lambda, Double_t phi0,
|
246 |
|
|
Double_t dxy, Double_t dsz)
|
247 |
loizides |
1.5 |
{
|
248 |
loizides |
1.13 |
// Set helix parameters.
|
249 |
|
|
|
250 |
bendavid |
1.15 |
fQOverP = qOverP;
|
251 |
|
|
fLambda = lambda;
|
252 |
|
|
fPhi0 = phi0;
|
253 |
|
|
fDxy = dxy;
|
254 |
|
|
fDsz = dsz;
|
255 |
paus |
1.4 |
}
|
256 |
|
|
|
257 |
loizides |
1.5 |
//--------------------------------------------------------------------------------------------------
|
258 |
paus |
1.4 |
inline
|
259 |
bendavid |
1.15 |
void mithep::Track::SetErrors(Double_t qOverPErr, Double_t lambdaErr, Double_t phi0Err,
|
260 |
|
|
Double_t dxyErr, Double_t dszErr)
|
261 |
loizides |
1.5 |
{
|
262 |
loizides |
1.13 |
// Set helix errors.
|
263 |
|
|
|
264 |
bendavid |
1.15 |
fQOverPErr = qOverPErr;
|
265 |
|
|
fLambdaErr = lambdaErr;
|
266 |
|
|
fPhi0Err = phi0Err;
|
267 |
|
|
fDxyErr = dxyErr;
|
268 |
|
|
fDszErr = dszErr;
|
269 |
paus |
1.4 |
}
|
270 |
loizides |
1.13 |
|
271 |
|
|
//--------------------------------------------------------------------------------------------------
|
272 |
|
|
inline
|
273 |
bendavid |
1.27 |
const mithep::BitMask48 mithep::Track::StereoLayers()
|
274 |
bendavid |
1.26 |
{
|
275 |
|
|
// Build and return BitMask of stereo layers
|
276 |
|
|
|
277 |
|
|
mithep::BitMask48 stereoLayers;
|
278 |
|
|
stereoLayers.SetBit(mithep::Track::TIB1S);
|
279 |
|
|
stereoLayers.SetBit(mithep::Track::TIB2S);
|
280 |
|
|
stereoLayers.SetBit(mithep::Track::TID1S);
|
281 |
|
|
stereoLayers.SetBit(mithep::Track::TID2S);
|
282 |
|
|
stereoLayers.SetBit(mithep::Track::TID3S);
|
283 |
|
|
stereoLayers.SetBit(mithep::Track::TOB1S);
|
284 |
|
|
stereoLayers.SetBit(mithep::Track::TOB2S);
|
285 |
|
|
stereoLayers.SetBit(mithep::Track::TEC1S);
|
286 |
|
|
stereoLayers.SetBit(mithep::Track::TEC2S);
|
287 |
|
|
stereoLayers.SetBit(mithep::Track::TEC3S);
|
288 |
|
|
stereoLayers.SetBit(mithep::Track::TEC4S);
|
289 |
|
|
stereoLayers.SetBit(mithep::Track::TEC5S);
|
290 |
|
|
stereoLayers.SetBit(mithep::Track::TEC6S);
|
291 |
|
|
stereoLayers.SetBit(mithep::Track::TEC7S);
|
292 |
|
|
stereoLayers.SetBit(mithep::Track::TEC8S);
|
293 |
|
|
stereoLayers.SetBit(mithep::Track::TEC9S);
|
294 |
|
|
return stereoLayers;
|
295 |
|
|
}
|
296 |
loizides |
1.5 |
#endif
|