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root/cvsroot/UserCode/MitPhysics/Utils/interface/PhotonTools.h
Revision: 1.6
Committed: Fri Jul 8 17:54:27 2011 UTC (13 years, 9 months ago) by fabstoec
Content type: text/plain
Branch: MAIN
Changes since 1.5: +35 -28 lines
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File Contents

# User Rev Content
1 bendavid 1.1 //--------------------------------------------------------------------------------------------------
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 fabstoec 1.4 #include "MitAna/DataTree/interface/TrackCol.h"
16 bendavid 1.1 #include "MitAna/DataTree/interface/Electron.h"
17     #include "MitAna/DataTree/interface/ElectronCol.h"
18     #include "MitAna/DataTree/interface/BaseVertex.h"
19     #include "MitAna/DataTree/interface/DecayParticleCol.h"
20     #include "MitAna/DataTree/interface/VertexCol.h"
21     #include "MitAna/DataTree/interface/BeamSpotCol.h"
22     #include "MitAna/DataTree/interface/TriggerObjectCol.h"
23     #include "MitCommon/MathTools/interface/MathUtils.h"
24    
25 fabstoec 1.6 class TRandom3;
26    
27 bendavid 1.1 namespace mithep {
28     class PhotonTools {
29     public:
30     PhotonTools();
31    
32     enum DiphotonR9EtaCats {
33     kCat1 = 0, //barrel-barrel highr9/highr9
34     kCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9
35     kCat3, //barrel-endcap+endcap/endcap highr9/highr9
36     kCat4 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9
37     };
38    
39     enum DiphotonR9EtaConversionCats {
40     kNewCat1 = 0, //barrel-barrel highr9/highr9
41     kNewCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9 one/two conversion
42     kNewCat3, //barrel-barrel highr9/lowr9+lowr9/lowr9 no conversion
43     kNewCat4, //barrel-endcap+endcap/endcap highr9/highr9
44     kNewCat5, //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 one/two conversion
45     kNewCat6 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 no conversion
46     };
47    
48 fabstoec 1.3 enum CiCBaseLineCats {
49 fabstoec 1.6 kCiCNoCat = 0,
50     kCiCCat1,
51 fabstoec 1.3 kCiCCat2,
52     kCiCCat3,
53     kCiCCat4
54     };
55    
56 fabstoec 1.6 // Methods for scaling/smearing Photons
57     static void ScalePhoton(Photon* p, Double_t scale);
58     static void SmearPhoton(Photon* p, TRandom3* rng, Double_t width, UInt_t iSeed=0);
59 fabstoec 1.4
60 fabstoec 1.6 static Bool_t PassConversionId(const Photon *p, const DecayParticle *c);
61     static Bool_t PassElectronVeto(const Photon *p, const ElectronCol *els);
62     static Double_t ElectronVetoCiC(const Photon *p, const ElectronCol *els);
63     static Bool_t PassElectronVetoConvRecovery(const Photon *p, const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *v);
64     static Bool_t PassTriggerMatching(const Photon *p, const TriggerObjectCol *trigobjs);
65     static const DecayParticle *MatchedConversion(const Photon *p, const DecayParticleCol *conversions,
66     const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
67     Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
68     static const DecayParticle *MatchedConversion(const Track *t, const DecayParticleCol *conversions,
69     const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
70     Double_t lxyMin = 2.0);
71     static DiphotonR9EtaCats DiphotonR9EtaCat(const Photon *p1, const Photon *p2);
72     static DiphotonR9EtaConversionCats DiphotonR9EtaConversionCat(const Photon *p1, const Photon *p2, const DecayParticleCol *conversions, const BaseVertex *v);
73     static CiCBaseLineCats CiCBaseLineCat(const Photon *p);
74    
75     static const DecayParticle *MatchedCiCConversion(const Photon *p, const DecayParticleCol *conversions,
76     Double_t dPhiMin=0.1, Double_t dEtaMin=0.1,Double_t dRMin=0.1,
77     bool print = false);
78    
79     static bool PassCiCSelection(Photon* ph,
80     const Vertex* vtx,
81     const TrackCol* trackCol,
82     const ElectronCol* eleCol,
83     const VertexCol* vtxCol,
84     double rho, double ptmin,
85     bool print = false, float* kin=NULL);
86    
87 bendavid 1.1 ClassDef(PhotonTools, 0) // Muon tools
88 fabstoec 1.6 };
89 bendavid 1.1 }
90    
91     #endif