[u/mrichter/AliRoot.git] / PWG4 / totEt / AliAnalysisEtCommon.h

//_________________________________________________________________________
//Created by Christine Nattrass, Rebecca Scott, Irakli Martashvili
//University of Tennessee at Knoxville
//
// This class is designed for the analysis of the hadronic component of 
// transverse energy.  It is used by AliAnalysisTaskHadEt.
//_________________________________________________________________________
#ifndef ALIANALYSISETCOMMON_H
#define ALIANALYSISETCOMMON_H

#include "TString.h"
#include "TObject.h"

class TH2F;
class TH1F;
class TF1;
class AliVEvent;
class TList;
class AliESDtrackCuts;
class Rtypes;
class TParticle;
class TDatabasePDG;
class AliAnalysisEtCuts;

class AliAnalysisEtCommon  : public TObject
{
public:
   
  AliAnalysisEtCommon();
    virtual ~AliAnalysisEtCommon();

    /** Analyse the event! */
    virtual Int_t AnalyseEvent(AliVEvent *event);


    /** Initialise the analysis, must be overloaded. */
    virtual void Init();


    /** Reset event specific values (Et etc.) */
    virtual void ResetEventValues();

    /** LevyPtEvaluate function */
    static Double_t LevyPtEvaluate(const Double_t *pt, const Double_t *par);

    /** Cuts info */
    AliAnalysisEtCuts * GetCuts() const { return fCuts; } 
    virtual void SetCuts(const AliAnalysisEtCuts *cuts) 
    { fCuts = (AliAnalysisEtCuts *) cuts; } 


    void SetTPCITSTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsITSTPC = (AliESDtrackCuts *) cuts;}
    void SetTPCOnlyTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsTPC = (AliESDtrackCuts *) cuts;}
    void SetITSTrackCuts(const AliESDtrackCuts *cuts){ fEsdtrackCutsITS = (AliESDtrackCuts *) cuts;}
    void SetCentralityMethod(char *method){ fCentralityMethod = TString(method);}
    void SetNumberOfCentralityBins(Int_t bins){fNCentBins = bins;}
    void SetDataSet(Int_t val){fDataSet = val;fV0ScaleDataSet=val;}//defaults to using the same data sets
    void SetV0ScaleDataSet(Int_t val){fV0ScaleDataSet=val;}
    Int_t DataSet()const {return fDataSet;}

protected:   
    
    TString fHistogramNameSuffix; /** The suffix for the histogram names */

    AliAnalysisEtCuts *fCuts; // keeper of basic cuts

    Int_t fDataSet;//Integer corresponding to data set.  Used as a switch to set appropriate track cuts.  By default set to 2010 p+p
    //2009 = 900 GeV p+p data from 2009
    //2010 = 7 TeV p+p data from 2010
    //20100 = 2.76 TeV Pb+Pb data from 2010
    Int_t fV0ScaleDataSet;//Integer corresponding to the data set to use for rescaling V0 spectra.  No scale available for 2.76 TeV so we will use both 900 GeV and 7 TeV

    /** PDG Database */
    //TDatabasePDG *fPdgDB;//data base used for looking up pdg codes
    //these codes are stored as variables because otherwise there were issues using this with the plugin

    static Int_t fgPiPlusCode;//pdg pi plus code
    static Int_t fgPiMinusCode;//pdg pi minus code
    static Int_t fgKPlusCode;// pdg k plus code
    static Int_t fgKMinusCode;//pdg k minus code
    static Int_t fgProtonCode;//pdg proton code
    static Int_t fgAntiProtonCode;//pdg antiproton code
    static Int_t fgLambdaCode;// pdg lambda code
    static Int_t fgAntiLambdaCode;//pdg antilambda code
    static Int_t fgK0SCode;//pdg k0 short code
    static Int_t fgOmegaCode;//pdg omega code
    static Int_t fgAntiOmegaCode;//pdg anti-omega code
    static Int_t fgXi0Code;//pdg xi-0 code
    static Int_t fgAntiXi0Code;//pdg anti-xi0 code
    static Int_t fgXiCode;//pdg xi code
    static Int_t fgAntiXiCode;//pdg anti-xi code
    static Int_t fgSigmaCode;//pdg sigma code
    static Int_t fgAntiSigmaCode;//pdg anti-sigma code
    static Int_t fgK0LCode;//pdg k0 long code
    static Int_t fgNeutronCode;//pdg neutron code
    static Int_t fgAntiNeutronCode;//pdg anti-neutron code
    static Int_t fgEPlusCode;//pdg positron code
    static Int_t fgEMinusCode;//pdg electron code
    static Int_t fgMuPlusCode;//pdg positron code
    static Int_t fgMuMinusCode;//pdg electron code
    static Int_t fgGammaCode;//pdg gamma code
    static Int_t fgPi0Code;//pdg neutral pion code
    static Int_t fgEtaCode;//pdg eta code
    static Int_t fgOmega0Code;//pdg eta code
    static Float_t fgPionMass;//pdg pion mass
    static Float_t fgKaonMass;//pdg kaon mass
    static Float_t fgProtonMass;//pdg proton mass
    static Float_t fgElectronMass;//pdg electron mass


    Float_t Et(TParticle *part, float mass = -1000);
    Float_t Et(Float_t p, Float_t theta, Int_t pid, Short_t charge) const;
    AliESDtrackCuts* fEsdtrackCutsITSTPC;//esd track cuts for ITS+TPC tracks
    AliESDtrackCuts* fEsdtrackCutsTPC;//esd track cuts for TPC tracks (which may also contain ITS hits)
    AliESDtrackCuts* fEsdtrackCutsITS;//esd track cuts for ITS stand alone tracks

    static Float_t fgPtTPCCutOff;//cut off for tracks in TPC
    static Float_t fgPtITSCutOff;//cut off for tracks in ITS
    
    //Set by default to the D6T scales
    Float_t K0Weight(Float_t pt);//Function which gives the factor to reweigh a K0 so it roughly matches the data
    Float_t LambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
    Float_t AntiLambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
    TF1 *fK0PythiaD6T;//function with Levy fit parameters for K0S in PYTHIA D6T
    TF1 *fLambdaPythiaD6T;//function with Levy fit parameters for Lambda in PYTHIA D6T
    TF1 *fAntiLambdaPythiaD6T;//function with Levy fit parameters for AntiLambda in PYTHIA D6T
    TF1 *fK0Data;//function with Levy fit parameters for K0S in data
    TF1 *fLambdaData;//function with Levy fit parameters for Lambda in data
    TF1 *fAntiLambdaData;//function with Levy fit parameters for AntiLambda in data

    TF1 *fLambdaEnhancement;//function to describe lambda enhancement
    TF1 *fProtonEnhancement;//function to describe anti-lambda enhancement
    Float_t LambdaBaryonEnhancement(Float_t pt);//Function which gives the factor to reweigh a lambda or antilambda so it roughly matches baryon enhancement seen at RHIC
    Float_t ProtonBaryonEnhancement(Float_t pt);//Function which gives the factor to reweigh a lambda or antilambda so it roughly matches baryon enhancement seen at RHIC
    TString fCentralityMethod;//string specifying the centrality method, see https://twiki.cern.ch/twiki/bin/viewauth/ALICE/CentStudies
    Int_t fNCentBins;//number of centrality bins (11 or 21)
    Int_t fCentBin;//current centrality bin


 private:
    //Declare it private to avoid compilation warning
    AliAnalysisEtCommon & operator = (const AliAnalysisEtCommon & g) ;//cpy assignment
    AliAnalysisEtCommon(const AliAnalysisEtCommon & g) ; // cpy ctor

    ClassDef(AliAnalysisEtCommon, 1);
};

#endif // ALIANALYSISETCOMMON_H
Commit	Line	Data
7d2d1773	1	//_________________________________________________________________________
	2	//Created by Christine Nattrass, Rebecca Scott, Irakli Martashvili
	3	//University of Tennessee at Knoxville
	4	//
	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
	10
	11	#include "TString.h"
0f6416f3	12	#include "TObject.h"
7d2d1773	13
	14	class TH2F;
	15	class TH1F;
964c8159	16	class TF1;
7d2d1773	17	class AliVEvent;
	18	class TList;
	19	class AliESDtrackCuts;
	20	class Rtypes;
	21	class TParticle;
	22	class TDatabasePDG;
	23	class AliAnalysisEtCuts;
	24
0f6416f3	25	class AliAnalysisEtCommon : public TObject
7d2d1773	26	{
	27	public:
	28
	29	AliAnalysisEtCommon();
	30	virtual ~AliAnalysisEtCommon();
	31
	32	/** Analyse the event! */
	33	virtual Int_t AnalyseEvent(AliVEvent *event);
	34
	35
	36	/** Initialise the analysis, must be overloaded. */
	37	virtual void Init();
	38
	39
	40	/** Reset event specific values (Et etc.) */
	41	virtual void ResetEventValues();
	42
c32af3dd	43	/** LevyPtEvaluate function */
	44	static Double_t LevyPtEvaluate(const Double_t pt, const Double_t par);
	45
7d2d1773	46	/** Cuts info */
	47	AliAnalysisEtCuts * GetCuts() const { return fCuts; }
	48	virtual void SetCuts(const AliAnalysisEtCuts *cuts)
	49	{ fCuts = (AliAnalysisEtCuts *) cuts; }
	50
	51
	52	void SetTPCITSTrackCuts(const AliESDtrackCuts cuts){ fEsdtrackCutsITSTPC = (AliESDtrackCuts ) cuts;}
	53	void SetTPCOnlyTrackCuts(const AliESDtrackCuts cuts){ fEsdtrackCutsTPC = (AliESDtrackCuts ) cuts;}
	54	void SetITSTrackCuts(const AliESDtrackCuts cuts){ fEsdtrackCutsITS = (AliESDtrackCuts ) cuts;}
bf205f52	55	void SetCentralityMethod(char *method){ fCentralityMethod = TString(method);}
bf205f52	56	void SetNumberOfCentralityBins(Int_t bins){fNCentBins = bins;}
d9e04f5d	57	void SetDataSet(Int_t val){fDataSet = val;fV0ScaleDataSet=val;}//defaults to using the same data sets
d9e04f5d	58	void SetV0ScaleDataSet(Int_t val){fV0ScaleDataSet=val;}
964c8159	59	Int_t DataSet()const {return fDataSet;}
7d2d1773	60
	61	protected:
	62
	63	TString fHistogramNameSuffix; /** The suffix for the histogram names */
	64
	65	AliAnalysisEtCuts *fCuts; // keeper of basic cuts
	66
964c8159	67	Int_t fDataSet;//Integer corresponding to data set. Used as a switch to set appropriate track cuts. By default set to 2010 p+p
	68	//2009 = 900 GeV p+p data from 2009
	69	//2010 = 7 TeV p+p data from 2010
f43fc416	70	//20100 = 2.76 TeV Pb+Pb data from 2010
d9e04f5d	71	Int_t fV0ScaleDataSet;//Integer corresponding to the data set to use for rescaling V0 spectra. No scale available for 2.76 TeV so we will use both 900 GeV and 7 TeV
964c8159	72
7d2d1773	73	/** PDG Database */
	74	//TDatabasePDG *fPdgDB;//data base used for looking up pdg codes
	75	//these codes are stored as variables because otherwise there were issues using this with the plugin
	76
	77	static Int_t fgPiPlusCode;//pdg pi plus code
	78	static Int_t fgPiMinusCode;//pdg pi minus code
	79	static Int_t fgKPlusCode;// pdg k plus code
	80	static Int_t fgKMinusCode;//pdg k minus code
	81	static Int_t fgProtonCode;//pdg proton code
	82	static Int_t fgAntiProtonCode;//pdg antiproton code
	83	static Int_t fgLambdaCode;// pdg lambda code
	84	static Int_t fgAntiLambdaCode;//pdg antilambda code
	85	static Int_t fgK0SCode;//pdg k0 short code
	86	static Int_t fgOmegaCode;//pdg omega code
	87	static Int_t fgAntiOmegaCode;//pdg anti-omega code
	88	static Int_t fgXi0Code;//pdg xi-0 code
	89	static Int_t fgAntiXi0Code;//pdg anti-xi0 code
	90	static Int_t fgXiCode;//pdg xi code
	91	static Int_t fgAntiXiCode;//pdg anti-xi code
	92	static Int_t fgSigmaCode;//pdg sigma code
	93	static Int_t fgAntiSigmaCode;//pdg anti-sigma code
	94	static Int_t fgK0LCode;//pdg k0 long code
	95	static Int_t fgNeutronCode;//pdg neutron code
	96	static Int_t fgAntiNeutronCode;//pdg anti-neutron code
	97	static Int_t fgEPlusCode;//pdg positron code
	98	static Int_t fgEMinusCode;//pdg electron code
	99	static Int_t fgMuPlusCode;//pdg positron code
	100	static Int_t fgMuMinusCode;//pdg electron code
	101	static Int_t fgGammaCode;//pdg gamma code
	102	static Int_t fgPi0Code;//pdg neutral pion code
	103	static Int_t fgEtaCode;//pdg eta code
	104	static Int_t fgOmega0Code;//pdg eta code
	105	static Float_t fgPionMass;//pdg pion mass
	106	static Float_t fgKaonMass;//pdg kaon mass
	107	static Float_t fgProtonMass;//pdg proton mass
	108	static Float_t fgElectronMass;//pdg electron mass
	109
	110
	111	Float_t Et(TParticle *part, float mass = -1000);
	112	Float_t Et(Float_t p, Float_t theta, Int_t pid, Short_t charge) const;
	113	AliESDtrackCuts* fEsdtrackCutsITSTPC;//esd track cuts for ITS+TPC tracks
	114	AliESDtrackCuts* fEsdtrackCutsTPC;//esd track cuts for TPC tracks (which may also contain ITS hits)
	115	AliESDtrackCuts* fEsdtrackCutsITS;//esd track cuts for ITS stand alone tracks
	116
	117	static Float_t fgPtTPCCutOff;//cut off for tracks in TPC
	118	static Float_t fgPtITSCutOff;//cut off for tracks in ITS
	119
964c8159	120	//Set by default to the D6T scales
	121	Float_t K0Weight(Float_t pt);//Function which gives the factor to reweigh a K0 so it roughly matches the data
	122	Float_t LambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
	123	Float_t AntiLambdaWeight(Float_t pt);//Function which gives the factor to reweigh a Lambda so it roughly matches the data
	124	TF1 *fK0PythiaD6T;//function with Levy fit parameters for K0S in PYTHIA D6T
	125	TF1 *fLambdaPythiaD6T;//function with Levy fit parameters for Lambda in PYTHIA D6T
	126	TF1 *fAntiLambdaPythiaD6T;//function with Levy fit parameters for AntiLambda in PYTHIA D6T
	127	TF1 *fK0Data;//function with Levy fit parameters for K0S in data
	128	TF1 *fLambdaData;//function with Levy fit parameters for Lambda in data
	129	TF1 *fAntiLambdaData;//function with Levy fit parameters for AntiLambda in data
7d2d1773	130
b610fb37	131	TF1 *fLambdaEnhancement;//function to describe lambda enhancement
b610fb37	132	TF1 *fProtonEnhancement;//function to describe anti-lambda enhancement
f43fc416	133	Float_t LambdaBaryonEnhancement(Float_t pt);//Function which gives the factor to reweigh a lambda or antilambda so it roughly matches baryon enhancement seen at RHIC
f43fc416	134	Float_t ProtonBaryonEnhancement(Float_t pt);//Function which gives the factor to reweigh a lambda or antilambda so it roughly matches baryon enhancement seen at RHIC
bf205f52	135	TString fCentralityMethod;//string specifying the centrality method, see https://twiki.cern.ch/twiki/bin/viewauth/ALICE/CentStudies
c1854447	136	Int_t fNCentBins;//number of centrality bins (11 or 21)
b89c2382	137	Int_t fCentBin;//current centrality bin
f43fc416	138
f43fc416	139
7d2d1773	140	private:
	141	//Declare it private to avoid compilation warning
	142	AliAnalysisEtCommon & operator = (const AliAnalysisEtCommon & g) ;//cpy assignment
	143	AliAnalysisEtCommon(const AliAnalysisEtCommon & g) ; // cpy ctor
	144
	145	ClassDef(AliAnalysisEtCommon, 1);
	146	};
	147
	148	#endif // ALIANALYSISETCOMMON_H