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//--------------------------------------------------------------------------------------------------
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// $Id $
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//
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// PhotonTools
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//
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// Helper Class for photon Identification decisions.
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//
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// Authors: J.Bendavid
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//--------------------------------------------------------------------------------------------------
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#ifndef MITPHYSICS_UTILS_PHOTONTOOLS_H
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#define MITPHYSICS_UTILS_PHOTONTOOLS_H
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#include "MitAna/DataTree/interface/Photon.h"
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#include "MitAna/DataTree/interface/TrackCol.h"
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#include "MitAna/DataTree/interface/Electron.h"
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#include "MitAna/DataTree/interface/ElectronCol.h"
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#include "MitAna/DataTree/interface/BaseVertex.h"
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#include "MitAna/DataTree/interface/DecayParticleCol.h"
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#include "MitAna/DataTree/interface/VertexCol.h"
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#include "MitAna/DataTree/interface/BeamSpotCol.h"
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#include "MitAna/DataTree/interface/TriggerObjectCol.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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class TRandom3;
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namespace mithep {
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class PhotonTools {
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public:
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PhotonTools();
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enum DiphotonR9EtaCats {
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kCat1 = 0, //barrel-barrel highr9/highr9
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kCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9
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kCat3, //barrel-endcap+endcap/endcap highr9/highr9
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kCat4 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9
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};
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enum DiphotonR9EtaConversionCats {
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kNewCat1 = 0, //barrel-barrel highr9/highr9
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kNewCat2, //barrel-barrel highr9/lowr9+lowr9/lowr9 one/two conversion
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kNewCat3, //barrel-barrel highr9/lowr9+lowr9/lowr9 no conversion
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kNewCat4, //barrel-endcap+endcap/endcap highr9/highr9
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kNewCat5, //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 one/two conversion
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kNewCat6 //barrel-endcap+endcap-endcap highr9/lowr9 + lowr9-lowr9 no conversion
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};
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enum CiCBaseLineCats {
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kCiCNoCat = 0,
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kCiCCat1,
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kCiCCat2,
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kCiCCat3,
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kCiCCat4
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};
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// Methods for scaling/smearing Photons
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static void ScalePhoton(Photon* p, Double_t scale);
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static void SmearPhoton(Photon* p, TRandom3* rng, Double_t width, UInt_t iSeed=0);
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static Bool_t PassConversionId(const Photon *p, const DecayParticle *c);
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static Bool_t PassElectronVeto(const Photon *p, const ElectronCol *els);
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static Double_t ElectronVetoCiC(const Photon *p, const ElectronCol *els);
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static Bool_t PassElectronVetoConvRecovery(const Photon *p, const ElectronCol *els, const DecayParticleCol *conversions, const BaseVertex *v);
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static Bool_t PassTriggerMatching(const Photon *p, const TriggerObjectCol *trigobjs);
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static const DecayParticle *MatchedConversion(const Photon *p, const DecayParticleCol *conversions,
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const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
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Double_t lxyMin = 2.0, Double_t dRMin = 0.1);
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static const DecayParticle *MatchedConversion(const Track *t, const DecayParticleCol *conversions,
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const BaseVertex *vtx, Int_t nWrongHitsMax=1, Double_t probMin=1e-6,
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Double_t lxyMin = 2.0);
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static DiphotonR9EtaCats DiphotonR9EtaCat(const Photon *p1, const Photon *p2);
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static DiphotonR9EtaConversionCats DiphotonR9EtaConversionCat(const Photon *p1, const Photon *p2, const DecayParticleCol *conversions, const BaseVertex *v);
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static CiCBaseLineCats CiCBaseLineCat(const Photon *p);
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static const DecayParticle *MatchedCiCConversion(const Photon *p, const DecayParticleCol *conversions,
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Double_t dPhiMin=0.1, Double_t dEtaMin=0.1,Double_t dRMin=0.1,
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bool print = false);
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static bool PassCiCSelection(Photon* ph,
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const Vertex* vtx,
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const TrackCol* trackCol,
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const ElectronCol* eleCol,
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const VertexCol* vtxCol,
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double rho, double ptmin,
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bool print = false, float* kin=NULL);
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ClassDef(PhotonTools, 0) // Muon tools
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};
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}
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#endif
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