1 //_________________________________________________________________________
2 //Created by Christine Nattrass, Rebecca Scott, Irakli Martashvili
3 //University of Tennessee at Knoxville
5 // This class is designed for the analysis of the hadronic component of
6 // transverse energy. It is used by AliAnalysisTaskHadEt.
7 //_________________________________________________________________________
8 #ifndef ALIANALYSISETCOMMON_H
9 #define ALIANALYSISETCOMMON_H
19 class AliESDtrackCuts;
23 class AliAnalysisEtCuts;
25 #ifndef ALIANALYSISLEVYPT_H
26 #define ALIANALYSISLEVYPT_H
27 class AliAnalysisLevyPt{
29 virtual ~AliAnalysisLevyPt(){};
30 Double_t Evaluate(const Double_t *pt, const Double_t *par) const
32 Double_t lMass = 0.497;
33 Double_t ldNdy = par[0];
34 Double_t l2pi = 2*TMath::Pi();
35 Double_t lTemp = par[1];
36 Double_t lPower = par[2];
38 Double_t lBigCoef = ((lPower-1)*(lPower-2)) / (l2pi*lPower*lTemp*(lPower*lTemp+lMass*(lPower-2)));
39 Double_t lInPower = 1 + (TMath::Sqrt(pt[0]*pt[0]+lMass*lMass)-lMass) / (lPower*lTemp);
41 return ldNdy * pt[0] * lBigCoef * TMath::Power(lInPower,(-1)*lPower);
43 ClassDef(AliAnalysisLevyPt, 1);
46 #endif // ALIANALYSISLEVYPT_H
48 class AliAnalysisEtCommon
52 AliAnalysisEtCommon();
53 virtual ~AliAnalysisEtCommon();
55 /** Analyse the event! */
56 virtual Int_t AnalyseEvent(AliVEvent *event);
59 /** Initialise the analysis, must be overloaded. */
63 /** Reset event specific values (Et etc.) */
64 virtual void ResetEventValues();
67 AliAnalysisEtCuts * GetCuts() const { return fCuts; }
68 virtual void SetCuts(const AliAnalysisEtCuts *cuts)
69 { fCuts = (AliAnalysisEtCuts *) cuts; }
72 void SetTPCITSTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsITSTPC = (AliESDtrackCuts *) cuts;}
73 void SetTPCOnlyTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsTPC = (AliESDtrackCuts *) cuts;}
74 void SetITSTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsITS = (AliESDtrackCuts *) cuts;}
75 void SetDataSet(Int_t val){fDataSet = val;}
76 Int_t DataSet()const {return fDataSet;}
80 TString fHistogramNameSuffix; /** The suffix for the histogram names */
82 AliAnalysisEtCuts *fCuts; // keeper of basic cuts
84 Int_t fDataSet;//Integer corresponding to data set. Used as a switch to set appropriate track cuts. By default set to 2010 p+p
85 //2009 = 900 GeV p+p data from 2009
86 //2010 = 7 TeV p+p data from 2010
89 //TDatabasePDG *fPdgDB;//data base used for looking up pdg codes
90 //these codes are stored as variables because otherwise there were issues using this with the plugin
92 static Int_t fgPiPlusCode;//pdg pi plus code
93 static Int_t fgPiMinusCode;//pdg pi minus code
94 static Int_t fgKPlusCode;// pdg k plus code
95 static Int_t fgKMinusCode;//pdg k minus code
96 static Int_t fgProtonCode;//pdg proton code
97 static Int_t fgAntiProtonCode;//pdg antiproton code
98 static Int_t fgLambdaCode;// pdg lambda code
99 static Int_t fgAntiLambdaCode;//pdg antilambda code
100 static Int_t fgK0SCode;//pdg k0 short code
101 static Int_t fgOmegaCode;//pdg omega code
102 static Int_t fgAntiOmegaCode;//pdg anti-omega code
103 static Int_t fgXi0Code;//pdg xi-0 code
104 static Int_t fgAntiXi0Code;//pdg anti-xi0 code
105 static Int_t fgXiCode;//pdg xi code
106 static Int_t fgAntiXiCode;//pdg anti-xi code
107 static Int_t fgSigmaCode;//pdg sigma code
108 static Int_t fgAntiSigmaCode;//pdg anti-sigma code
109 static Int_t fgK0LCode;//pdg k0 long code
110 static Int_t fgNeutronCode;//pdg neutron code
111 static Int_t fgAntiNeutronCode;//pdg anti-neutron code
112 static Int_t fgEPlusCode;//pdg positron code
113 static Int_t fgEMinusCode;//pdg electron code
114 static Int_t fgMuPlusCode;//pdg positron code
115 static Int_t fgMuMinusCode;//pdg electron code
116 static Int_t fgGammaCode;//pdg gamma code
117 static Int_t fgPi0Code;//pdg neutral pion code
118 static Int_t fgEtaCode;//pdg eta code
119 static Int_t fgOmega0Code;//pdg eta code
120 static Float_t fgPionMass;//pdg pion mass
121 static Float_t fgKaonMass;//pdg kaon mass
122 static Float_t fgProtonMass;//pdg proton mass
123 static Float_t fgElectronMass;//pdg electron mass
126 Float_t Et(TParticle *part, float mass = -1000);
127 Float_t Et(Float_t p, Float_t theta, Int_t pid, Short_t charge) const;
128 AliESDtrackCuts* fEsdtrackCutsITSTPC;//esd track cuts for ITS+TPC tracks
129 AliESDtrackCuts* fEsdtrackCutsTPC;//esd track cuts for TPC tracks (which may also contain ITS hits)
130 AliESDtrackCuts* fEsdtrackCutsITS;//esd track cuts for ITS stand alone tracks
132 static Float_t fgPtTPCCutOff;//cut off for tracks in TPC
133 static Float_t fgPtITSCutOff;//cut off for tracks in ITS
135 //Set by default to the D6T scales
136 Float_t K0Weight(Float_t pt);//Function which gives the factor to reweigh a K0 so it roughly matches the data
137 Float_t LambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
138 Float_t AntiLambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
139 TF1 *fK0PythiaD6T;//function with Levy fit parameters for K0S in PYTHIA D6T
140 TF1 *fLambdaPythiaD6T;//function with Levy fit parameters for Lambda in PYTHIA D6T
141 TF1 *fAntiLambdaPythiaD6T;//function with Levy fit parameters for AntiLambda in PYTHIA D6T
142 TF1 *fK0Data;//function with Levy fit parameters for K0S in data
143 TF1 *fLambdaData;//function with Levy fit parameters for Lambda in data
144 TF1 *fAntiLambdaData;//function with Levy fit parameters for AntiLambda in data
147 //Declare it private to avoid compilation warning
148 AliAnalysisEtCommon & operator = (const AliAnalysisEtCommon & g) ;//cpy assignment
149 AliAnalysisEtCommon(const AliAnalysisEtCommon & g) ; // cpy ctor
151 ClassDef(AliAnalysisEtCommon, 1);
154 #endif // ALIANALYSISETCOMMON_H