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root/cvsroot/UserCode/MitPhysics/Utils/interface/PhotonTools.h
Revision: 1.17
Committed: Sat Dec 17 20:00:40 2011 UTC (13 years, 4 months ago) by bendavid
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_028, Mit_027, Mit_027a, Mit_025e, Mit_025d
Changes since 1.16: +1 -1 lines
Log Message:
Update photon id mva, fix preselection bug

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 class TRandom3;
30
31 namespace mithep {
32 class PhotonTools {
33 public:
34 PhotonTools();
35
36 enum DiphotonR9EtaCats {
37 kCat1 = 0, //barrel-barrel highr9/highr9
38 kCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9
39 kCat3, //barrel-endcap+endcap/endcap highr9/highr9
40 kCat4 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9
41 };
42
43 enum DiphotonR9EtaPtCats {
44 kOctCat0,
45 kOctCat1,
46 kOctCat2,
47 kOctCat3,
48 kOctCat4,
49 kOctCat5,
50 kOctCat6,
51 kOctCat7
52 };
53
54 enum DiphotonR9EtaConversionCats {
55 kNewCat1 = 0, //barrel-barrel highr9/highr9
56 kNewCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9 one/two conversion
57 kNewCat3, //barrel-barrel highr9/lowr9+lowr9/lowr9 no conversion
58 kNewCat4, //barrel-endcap+endcap/endcap highr9/highr9
59 kNewCat5, //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 one/two conversion
60 kNewCat6 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 no conversion
61 };
62
63 enum CiCBaseLineCats {
64 kCiCNoCat = 0,
65 kCiCCat1,
66 kCiCCat2,
67 kCiCCat3,
68 kCiCCat4
69 };
70
71 enum eScaleCats {
72 kEBlowEtaGoldCenter = 0,
73 kEBlowEtaGoldGap,
74 kEBlowEtaBad,
75 kEBhighEtaGold,
76 kEBhighEtaBad,
77 kEElowEtaGold,
78 kEElowEtaBad,
79 kEEhighEtaGold,
80 kEEhighEtaBad
81 };
82
83
84 static eScaleCats EScaleCat(const Photon *p);
85
86 // Methods for scaling/smearing Photons
87 static void ScalePhoton(Photon* p, Double_t scale);
88 static void SmearPhoton(Photon* p, TRandom3* rng, Double_t width, UInt_t iSeed);
89 static void SmearPhotonError(Photon* p, Double_t width);
90 static void ScalePhotonR9(Photon *p, Double_t scale);
91 static void ScalePhotonError(Photon *p, Double_t scale);
92
93 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);
94 static Bool_t PassConversionId(const Photon *p, const DecayParticle *c);
95 static Bool_t PassElectronVeto(const Photon *p, const ElectronCol *els);
96 static Double_t ElectronVetoCiC(const Photon *p, const ElectronCol *els);
97 static Bool_t PassElectronVetoConvRecovery(const Photon *p, const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *v);
98 static Bool_t PassTriggerMatching(const Photon *p, const TriggerObjectCol *trigobjs);
99 static const DecayParticle *MatchedConversion(const Photon *p, const DecayParticleCol *conversions,
100 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
101 Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
102 static const DecayParticle *MatchedConversion(const SuperCluster *sc, const DecayParticleCol *conversions,
103 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
104 Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
105 static const DecayParticle *MatchedConversion(const Track *t, const DecayParticleCol *conversions,
106 const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
107 Double_t lxyMin = 2.0);
108 static DiphotonR9EtaCats DiphotonR9EtaCat(const Photon *p1, const Photon *p2);
109 static DiphotonR9EtaPtCats DiphotonR9EtaPtCat(const Photon *p1, const Photon *p2);
110 static DiphotonR9EtaConversionCats DiphotonR9EtaConversionCat(const Photon *p1, const Photon *p2, const DecayParticleCol *conversions, const BaseVertex *v);
111 static CiCBaseLineCats CiCBaseLineCat(const Photon *p);
112
113 static const DecayParticle *MatchedCiCConversion(const Photon *p, const DecayParticleCol *conversions,
114 Double_t dPhiMin=0.1, Double_t dEtaMin=0.1,Double_t dRMin=0.1,
115 bool print = false);
116
117
118 static const Electron *MatchedElectron(const Photon *p, const ElectronCol *els);
119 static const Photon *MatchedPhoton(const Electron *e, const PhotonCol *phs);
120 static const SuperCluster *MatchedSC(const SuperCluster *psc, const SuperClusterCol *scs, Double_t drMin=0.3);
121
122 static bool PassCiCSelection(const Photon* ph,
123 const Vertex* vtx,
124 const TrackCol* trackCol,
125 const ElectronCol* eleCol,
126 const VertexCol* vtxCol,
127 double rho, double ptmin,
128 bool applyEleVeto = true,
129 bool print = false, float* kin=NULL);
130
131
132 static const MCParticle *MatchMC(const Particle *ph, const MCParticleCol *c, Bool_t matchElectrons = kFALSE);
133 ClassDef(PhotonTools, 0) // Muon tools
134 };
135 }
136
137 #endif