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root/cvsroot/UserCode/MitPhysics/Utils/interface/PhotonTools.h
Revision: 1.26
Committed: Fri Oct 26 19:23:05 2012 UTC (12 years, 6 months ago) by fabstoec
Content type: text/plain
Branch: MAIN
Changes since 1.25: +2 -1 lines
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File Contents

# Content
1 //--------------------------------------------------------------------------------------------------
2 // $Id $
3 //
4 // PhotonTools
5 //
6 // Helper Class for photon Identification decisions.
7 //
8 // Authors: J.Bendavid
9 //--------------------------------------------------------------------------------------------------
10
11 #ifndef MITPHYSICS_UTILS_PHOTONTOOLS_H
12 #define MITPHYSICS_UTILS_PHOTONTOOLS_H
13
14 #include "MitAna/DataTree/interface/Photon.h"
15 #include "MitAna/DataTree/interface/PhotonCol.h"
16 #include "MitAna/DataTree/interface/TrackCol.h"
17 #include "MitAna/DataTree/interface/Electron.h"
18 #include "MitAna/DataTree/interface/ElectronCol.h"
19 #include "MitAna/DataTree/interface/BaseVertex.h"
20 #include "MitAna/DataTree/interface/DecayParticleCol.h"
21 #include "MitAna/DataTree/interface/VertexCol.h"
22 #include "MitAna/DataTree/interface/BeamSpotCol.h"
23 #include "MitAna/DataTree/interface/TriggerObjectCol.h"
24 #include "MitAna/DataTree/interface/MCParticleCol.h"
25 #include "MitAna/DataTree/interface/SuperCluster.h"
26 #include "MitAna/DataTree/interface/SuperClusterCol.h"
27 #include "MitCommon/MathTools/interface/MathUtils.h"
28
29 #include "MitAna/DataTree/interface/PFCandidateCol.h"
30
31 class TRandom3;
32
33 namespace mithep {
34 class PhotonTools {
35 public:
36 PhotonTools();
37
38 enum DiphotonR9EtaCats {
39 kCat1 = 0, //barrel-barrel highr9/highr9
40 kCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9
41 kCat3, //barrel-endcap+endcap/endcap highr9/highr9
42 kCat4 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9
43 };
44
45 enum DiphotonR9EtaPtCats {
46 kOctCat0,
47 kOctCat1,
48 kOctCat2,
49 kOctCat3,
50 kOctCat4,
51 kOctCat5,
52 kOctCat6,
53 kOctCat7
54 };
55
56 enum DiphotonR9EtaConversionCats {
57 kNewCat1 = 0, //barrel-barrel highr9/highr9
58 kNewCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9 one/two conversion
59 kNewCat3, //barrel-barrel highr9/lowr9+lowr9/lowr9 no conversion
60 kNewCat4, //barrel-endcap+endcap/endcap highr9/highr9
61 kNewCat5, //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 one/two conversion
62 kNewCat6 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 no conversion
63 };
64
65 enum CiCBaseLineCats {
66 kCiCNoCat = 0,
67 kCiCCat1,
68 kCiCCat2,
69 kCiCCat3,
70 kCiCCat4
71 };
72
73 enum eScaleCats {
74 kEBlowEtaGoldCenter = 0,
75 kEBlowEtaGoldGap,
76 kEBlowEtaBad,
77 kEBlowEtaBadCenter,
78 kEBlowEtaBadGap,
79 kEBhighEtaGold,
80 kEBhighEtaBad,
81 kEElowEtaGold,
82 kEElowEtaBad,
83 kEEhighEtaGold,
84 kEEhighEtaBad
85 };
86
87 enum ShowerShapeScales {
88 kNoShowerShapeScaling = 0,
89 k2011ShowerShape,
90 k2012ShowerShape
91 };
92
93 static eScaleCats EScaleCat(const Photon *p);
94 static eScaleCats EScaleCatHCP(const Photon *p);
95
96 // Methods for scaling/smearing Photons
97 static void ScalePhoton(Photon* p, Double_t scale);
98 static void SmearPhoton(Photon* p, TRandom3* rng, Double_t width, UInt_t iSeed);
99 static void SmearPhotonError(Photon* p, Double_t width);
100 static void ScalePhotonR9(Photon *p, Double_t scale);
101 static void ScalePhotonError(Photon *p, Double_t scale);
102
103 static void ScalePhotonShowerShapes(Photon *p, ShowerShapeScales scale);
104
105
106 static Bool_t PassSinglePhotonPresel(const Photon *p,const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *bs, const TrackCol* trackCol, const Vertex *vtx, double rho, Bool_t applyElectronVeto = kTRUE, Bool_t invertElectronVeto = kFALSE);
107 static Bool_t PassSinglePhotonPreselPFISO(const Photon *p,const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *bs, const TrackCol* trackCol,const Vertex *vtx, double rho, const PFCandidateCol *fPFCands, Bool_t applyElectronVeto = kTRUE, Bool_t invertElectronVeto = kFALSE);
108 static Bool_t PassSinglePhotonPreselPFISO_NoTrigger(const Photon *p,const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *bs, const TrackCol* trackCol,const Vertex *vtx, double rho, const PFCandidateCol *fPFCands, Bool_t applyElectronVeto = kTRUE, Bool_t invertElectronVeto = kFALSE);
109 static Bool_t PassConversionId(const Photon *p, const DecayParticle *c);
110 static Bool_t PassElectronVeto(const Photon *p, const ElectronCol *els);
111 static Double_t ElectronVetoCiC(const Photon *p, const ElectronCol *els);
112 static Bool_t PassElectronVetoConvRecovery(const Photon *p, const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *v);
113 static Bool_t PassTriggerMatching(const Photon *p, const TriggerObjectCol *trigobjs);
114 static const DecayParticle *MatchedConversion(const Photon *p, const DecayParticleCol *conversions,
115 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
116 Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
117 static const DecayParticle *MatchedConversion(const SuperCluster *sc, const DecayParticleCol *conversions,
118 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
119 Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
120 static const DecayParticle *MatchedConversion(const Track *t, const DecayParticleCol *conversions,
121 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
122 Double_t lxyMin = 2.0);
123 static DiphotonR9EtaCats DiphotonR9EtaCat(const Photon *p1, const Photon *p2);
124 static DiphotonR9EtaPtCats DiphotonR9EtaPtCat(const Photon *p1, const Photon *p2);
125 static DiphotonR9EtaConversionCats DiphotonR9EtaConversionCat(const Photon *p1, const Photon *p2, const DecayParticleCol *conversions, const BaseVertex *v);
126 static CiCBaseLineCats CiCBaseLineCat(const Photon *p);
127
128 static const DecayParticle *MatchedCiCConversion(const Photon *p, const DecayParticleCol *conversions,
129 Double_t dPhiMin=0.1, Double_t dEtaMin=0.1,Double_t dRMin=0.1,
130 bool print = false,
131 int* numLegs = NULL, int* convIdx = NULL); // for debugging
132
133
134 static const Electron *MatchedElectron(const Photon *p, const ElectronCol *els);
135 static const Photon *MatchedPhoton(const Electron *e, const PhotonCol *phs);
136 static const SuperCluster *MatchedSC(const SuperCluster *psc, const SuperClusterCol *scs, Double_t drMin=0.3);
137
138 static const SuperCluster *MatchedPFSC(const SuperCluster *psc, const PhotonCol *pfphos, const ElectronCol *eles, Double_t drMin=0.1);
139
140 static bool PassCiCSelection(const Photon* ph,
141 const Vertex* vtx,
142 const TrackCol* trackCol,
143 const ElectronCol* eleCol,
144 const VertexCol* vtxCol,
145 double rho, double ptmin,
146 bool applyEleVeto = true,
147 bool print = false, float* kin=NULL);
148
149 static bool PassCiCPFIsoSelection(const Photon* ph,
150 const Vertex* vtx,
151 const PFCandidateCol* pfCol,
152 const VertexCol* vtxCol,
153 double rho, double ptmin,
154 std::vector<double>* kin = NULL);
155
156 static bool PassVgamma2011Selection(const Photon* ph, double rho);
157
158 static const MCParticle *MatchMC(const Particle *ph, const MCParticleCol *c, Bool_t matchElectrons = kFALSE);
159 ClassDef(PhotonTools, 0) // Muon tools
160 };
161 }
162
163 #endif