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259c3296 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
50685501 | 15 | // |
16 | // QA class of Heavy Flavor quark and fragmeted/decayed particles | |
17 | // -Check kinematics of Heavy Quarks/hadrons, and decayed leptons | |
18 | // pT, rapidity | |
19 | // decay lepton kinematics w/wo acceptance | |
20 | // heavy hadron decay length, electron pT fraction carried from decay | |
21 | // -Check yield of Heavy Quarks/hadrons | |
22 | // Number of produced heavy quark | |
23 | // Number of produced hadron of given pdg code | |
24 | // | |
259c3296 | 25 | |
c2690925 | 26 | #ifndef ALIHFEMCQA_H |
27 | #define ALIHFEMCQA_H | |
28 | ||
259c3296 | 29 | #ifndef ROOT_TObject |
75d81601 | 30 | //#include <TObject.h> |
259c3296 | 31 | #endif |
32 | ||
33 | class TH1F; | |
34 | class TH2F; | |
70da6c5a | 35 | class TList; |
259c3296 | 36 | class TParticle; |
37 | class TString; | |
faee3b18 | 38 | class AliMCEvent; |
9bcfd1ab | 39 | class AliGenEventHeader; |
9250ffbf | 40 | class AliMCParticle; |
0792aa82 | 41 | class AliAODMCParticle; |
c2690925 | 42 | class AliHFEcollection; |
259c3296 | 43 | |
44 | //________________________________________________________________ | |
45 | class AliHFEmcQA: public TObject { | |
46 | ||
70da6c5a | 47 | public: |
faee3b18 | 48 | enum heavyType {kCharm=4, kBeauty=5, kOthers=6, kElectronPDG=11}; |
70da6c5a | 49 | enum qType {kQuark, kantiQuark, kHadron, keHadron, kDeHadron, kElectron, kElectron2nd}; |
c2690925 | 50 | enum SourceType {kDirectCharm=1, kDirectBeauty=2, kBeautyCharm=3, kGamma=4, kPi0=5, kElse=6, kMisID=7, kEta=8, kOmega=9, kPhi=10, kEtaPrime=11, kRho0=12, kGammaPi0=13, kGammaEta=14, kGammaOmega=15, kGammaPhi=16, kGammaEtaPrime=17, kGammaRho0=18}; |
70da6c5a | 51 | enum ProcessType { |
52 | kPairCreationFromq, kPairCreationFromg, kFlavourExitation, kGluonSplitting, kInitialPartonShower, kLightQuarkShower | |
53 | }; | |
9250ffbf | 54 | enum{ |
55 | kBgPtBins = 44, | |
56 | kElecBgSpecies = 6 | |
57 | }; | |
58 | ||
70da6c5a | 59 | |
60 | AliHFEmcQA(); | |
61 | AliHFEmcQA(const AliHFEmcQA &p); // copy constructor | |
62 | AliHFEmcQA &operator=(const AliHFEmcQA &); // assignment operator | |
63 | ||
64 | virtual ~AliHFEmcQA(); | |
65 | ||
70da6c5a | 66 | TList *GetList() const { return fQAhistos; }; |
67 | void PostAnalyze() const; | |
e3fc062d | 68 | void CreatDefaultHistograms(TList * const qaList); // create default histograms |
70da6c5a | 69 | void CreateHistograms(const Int_t kquark, Int_t icut, TString hnopt=""); // create histograms for mc qa analysis |
faee3b18 | 70 | void SetMCEvent(AliMCEvent* const mcEvent){fMCEvent = mcEvent;} |
70da6c5a | 71 | void SetGenEventHeader(AliGenEventHeader* const mcHeader){fMCHeader=mcHeader;} // set stack pointer |
72 | void SetMCArray(TClonesArray* const mcarry){fMCArray=mcarry;} // set mcarray pointer | |
73 | void Init(); | |
74 | ||
75 | void GetQuarkKine(TParticle *part, Int_t iTrack, const Int_t kquark); // get heavy quark kinematics distribution | |
76 | void GetHadronKine(TParticle *part, const Int_t kquark); // get heavy hadron kinematics distribution | |
77 | void GetDecayedKine(TParticle *part, const Int_t kquark, const Int_t kdecayed, Int_t icut); // get decay electron kinematics distribution | |
9250ffbf | 78 | void GetDecayedKine(AliAODMCParticle *mcpart, const Int_t kquark, Int_t kdecayed, Int_t icut); // get decay electron kinematics for AOD |
c2690925 | 79 | void GetMesonKine(); // get meson and its decay electron pt spectra |
70da6c5a | 80 | void EndOfEventAna(const Int_t kquark); // run analysis which should be done at the end of the event loop |
9250ffbf | 81 | Int_t GetSource(const TParticle * const mcpart); // return source id |
82 | Int_t GetElecSource(TParticle * const mcpart); // return electron source id | |
83 | Int_t GetSource(const AliAODMCParticle * const mcpart); // return electron source id for AOD | |
84 | Double_t GetWeightFactor(AliMCParticle *mctrack); // return weighting factor for electron's mother meson | |
85 | ||
86 | void SetBackgroundWeightFactor(Double_t *elecBackgroundFactor, Double_t *binLimit); | |
87 | // void SetBackgroundWeightFactor(Double_t const elecBackgroundFactor[6][44], Double_t const binLimit[45]) {fElecBackgroundFactor=elecBackgroundFactor; fBinLimit=binLimit;} | |
dbe3abbe | 88 | |
70da6c5a | 89 | protected: |
90 | void IdentifyMother(Int_t motherlabel, Int_t &motherpdg, Int_t &grandmotherlabel); // | |
91 | void HardScattering(const Int_t kquark, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from hard scattering | |
92 | void ReportStrangeness(Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // report if the quark production process is unknown | |
93 | Bool_t IsFromInitialShower(Int_t inputmotherlabel, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from initial parton shower | |
94 | Bool_t IsFromFinalParton(Int_t inputmotherlabel, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from final parton shower | |
95 | ||
faee3b18 | 96 | AliMCEvent* fMCEvent; // mcevent pointer |
70da6c5a | 97 | AliGenEventHeader* fMCHeader; // mcheader pointer |
98 | TClonesArray *fMCArray; // mc array pointer | |
99 | ||
c2690925 | 100 | static const Int_t fgkGluon=21; // gluon pdg code |
101 | static const Int_t fgkMaxGener=10; // ancester level wanted to be checked | |
102 | static const Int_t fgkMaxIter=100; // number of iteration to find out matching particle | |
103 | static const Int_t fgkqType=7; // number of particle type to be checked | |
70da6c5a | 104 | |
105 | struct AliHists{ | |
106 | TH1F *fPdgCode; // histogram to store particle pdg code | |
107 | TH1F *fPt; // histogram to store pt | |
108 | TH1F *fY; // histogram to store rapidity | |
109 | TH1F *fEta; // histogram to store eta | |
75d81601 | 110 | |
111 | AliHists() | |
112 | : fPdgCode() | |
113 | , fPt() | |
114 | , fY() | |
115 | , fEta() | |
70da6c5a | 116 | { |
75d81601 | 117 | // default constructor |
118 | }; | |
119 | AliHists(const AliHists & p) | |
120 | : fPdgCode(p.fPdgCode) | |
121 | , fPt(p.fPt) | |
122 | , fY(p.fY) | |
123 | , fEta(p.fEta) | |
70da6c5a | 124 | { |
75d81601 | 125 | // copy constructor |
126 | }; | |
127 | AliHists &operator=(const AliHists &) | |
128 | { | |
129 | // assignment operator, not yet implemented | |
130 | return *this; | |
131 | } | |
70da6c5a | 132 | void FillList(TList *l) const; |
133 | }; | |
134 | struct AliHistsComm { | |
135 | TH1F *fNq; // histogram to store number of quark | |
136 | TH1F *fProcessID; // histogram to store process id | |
137 | TH2F *fePtRatio; // fraction of electron pT from D or B hadron | |
ccc37cdc | 138 | TH2F *fPtCorr; // pt correlation between e and direct D or B |
c2690925 | 139 | TH2F *fPtCorrDp; // pt correlation between e and direct D+ |
140 | TH2F *fPtCorrD0; // pt correlation between e and direct D0 | |
141 | TH2F *fPtCorrDrest; // pt correlation between e and direct D rest | |
70da6c5a | 142 | TH2F *fDePtRatio; // fraction of D electron pT from B hadron |
143 | TH2F *feDistance; // distance between electron production point to mother particle | |
144 | TH2F *fDeDistance; // distance between D electron production point to mother particle | |
75d81601 | 145 | |
146 | AliHistsComm() | |
147 | : fNq() | |
148 | , fProcessID() | |
149 | , fePtRatio() | |
ccc37cdc | 150 | , fPtCorr() |
c2690925 | 151 | , fPtCorrDp() |
152 | , fPtCorrD0() | |
153 | , fPtCorrDrest() | |
75d81601 | 154 | , fDePtRatio() |
155 | , feDistance() | |
156 | , fDeDistance() | |
70da6c5a | 157 | { |
75d81601 | 158 | // default constructor |
159 | }; | |
160 | AliHistsComm(const AliHistsComm & p) | |
161 | : fNq(p.fNq) | |
162 | , fProcessID(p.fProcessID) | |
163 | , fePtRatio(p.fePtRatio) | |
ccc37cdc | 164 | , fPtCorr(p.fPtCorr) |
c2690925 | 165 | , fPtCorrDp(p.fPtCorrDp) |
166 | , fPtCorrD0(p.fPtCorrD0) | |
167 | , fPtCorrDrest(p.fPtCorrDrest) | |
75d81601 | 168 | , fDePtRatio(p.fDePtRatio) |
169 | , feDistance(p.feDistance) | |
170 | , fDeDistance(p.fDeDistance) | |
70da6c5a | 171 | { |
75d81601 | 172 | // copy constructor |
173 | }; | |
174 | AliHistsComm &operator=(const AliHistsComm &) | |
175 | { | |
176 | // assignment operator, not yet implemented | |
177 | return *this; | |
178 | } | |
70da6c5a | 179 | void FillList(TList *l) const; |
180 | }; | |
259c3296 | 181 | |
faee3b18 | 182 | AliHists fHist[3][7][6]; // struct of histograms to store kinematics of given particles |
183 | AliHistsComm fHistComm[2][6]; // struct of additional histograms of given particles | |
ccc37cdc | 184 | TH2F *fhD[9]; // D meson pt,Y spectra |
185 | TH1F *fhDLogbin[9]; // D meson pt w diff binning | |
259c3296 | 186 | |
70da6c5a | 187 | TList *fQAhistos; // Container for QA histos |
c2690925 | 188 | AliHFEcollection *fMCQACollection; //! Tasks own QA collection |
bf892a6a | 189 | TParticle *fHeavyQuark[50]; //! store pointer of heavy flavour quark |
70da6c5a | 190 | Int_t fIsHeavy[2]; // count of heavy flavour |
191 | Int_t fNparents; // number of heavy hadrons to be considered | |
192 | Int_t fParentSelect[2][7]; // heavy hadron species | |
259c3296 | 193 | |
9250ffbf | 194 | Double_t fElecBackgroundFactor[6][44]; // Electron background factors |
195 | Double_t fBinLimit[45]; // Electron background bins | |
196 | ||
70da6c5a | 197 | ClassDef(AliHFEmcQA,1); |
259c3296 | 198 | }; |
199 | ||
200 | #endif |