[u/mrichter/AliRoot.git] / PWG3 / hfe / AliHFEmcQA.h

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/
//
// QA class of Heavy Flavor quark and fragmeted/decayed particles
// -Check kinematics of Heavy Quarks/hadrons, and decayed leptons
//    pT, rapidity
//    decay lepton kinematics w/wo acceptance
//    heavy hadron decay length, electron pT fraction carried from decay 
// -Check yield of Heavy Quarks/hadrons
//    Number of produced heavy quark
//    Number of produced hadron of given pdg code
//

#ifndef ALIHFEMCQA_H
#define ALIHFEMCQA_H

#ifndef ROOT_TObject
//#include <TObject.h>
#endif

class TH1F;
class TH2F;
class TList;
class TParticle;
class TString;
class AliMCEvent;
class AliGenEventHeader;
class AliAODMCParticle;
class AliHFEcollection;

//________________________________________________________________
class AliHFEmcQA: public TObject {

  public: 
    enum heavyType {kCharm=4, kBeauty=5, kOthers=6, kElectronPDG=11};
    enum qType {kQuark, kantiQuark, kHadron, keHadron, kDeHadron, kElectron, kElectron2nd};
    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};
    enum ProcessType {
      kPairCreationFromq,  kPairCreationFromg,  kFlavourExitation,  kGluonSplitting, kInitialPartonShower, kLightQuarkShower
    };

    AliHFEmcQA();
    AliHFEmcQA(const AliHFEmcQA &p); // copy constructor
    AliHFEmcQA &operator=(const AliHFEmcQA &); // assignment operator

    virtual ~AliHFEmcQA();

    TList *GetList() const { return fQAhistos; };
    void PostAnalyze() const;
    void CreatDefaultHistograms(TList * const qaList); // create default histograms  
    void CreateHistograms(const Int_t kquark, Int_t icut, TString hnopt=""); // create histograms for mc qa analysis
    void SetMCEvent(AliMCEvent* const mcEvent){fMCEvent = mcEvent;} 
    void SetGenEventHeader(AliGenEventHeader* const mcHeader){fMCHeader=mcHeader;} // set stack pointer
    void SetMCArray(TClonesArray* const mcarry){fMCArray=mcarry;} // set mcarray pointer
    void Init();

    void GetQuarkKine(TParticle *part, Int_t iTrack, const Int_t kquark); // get heavy quark kinematics distribution
    void GetHadronKine(TParticle *part, const Int_t kquark); // get heavy hadron kinematics distribution
    void GetDecayedKine(TParticle *part, const Int_t kquark, const Int_t kdecayed, Int_t icut); // get decay electron kinematics distribution
		void GetDecayedKine(AliAODMCParticle *mcpart, const Int_t kquark, Int_t kdecayed, Int_t icut); // get decay electron kinematics for AOD 
    void GetMesonKine(); // get meson and its decay electron pt spectra
    void EndOfEventAna(const Int_t kquark); // run analysis which should be done at the end of the event loop
		Int_t GetSource(const TParticle * const mcpart); // return source id 
		Int_t GetElecSource(TParticle * const mcpart); // return electron source id 
		Int_t GetSource(const AliAODMCParticle * const mcpart); // return electron source id for AOD

  protected:
    void IdentifyMother(Int_t motherlabel, Int_t &motherpdg, Int_t &grandmotherlabel); // 
    void HardScattering(const Int_t kquark, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from hard scattering
    void ReportStrangeness(Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // report if the quark production process is unknown
    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 
    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

    AliMCEvent* fMCEvent; // mcevent pointer
    AliGenEventHeader* fMCHeader; // mcheader pointer
    TClonesArray *fMCArray; // mc array pointer

    static const Int_t fgkGluon=21; // gluon pdg code
    static const Int_t fgkMaxGener=10; // ancester level wanted to be checked 
    static const Int_t fgkMaxIter=100; // number of iteration to find out matching particle 
    static const Int_t fgkqType=7; // number of particle type to be checked

    struct AliHists{
      TH1F *fPdgCode; // histogram to store particle pdg code
      TH1F *fPt; // histogram to store pt
      TH1F *fY; // histogram to store rapidity
      TH1F *fEta; // histogram to store eta

			AliHists()
			  : fPdgCode()
			  , fPt()
			  , fY()
			  , fEta()
      {
			  // default constructor
			};
			AliHists(const AliHists & p)
			  : fPdgCode(p.fPdgCode)
			  , fPt(p.fPt)
			  , fY(p.fY)
			  , fEta(p.fEta)
      {
			  // copy constructor
			};
			AliHists &operator=(const AliHists &)
			{
			  // assignment operator, not yet implemented 
			  return *this;
			}
      void FillList(TList *l) const;
    };
    struct AliHistsComm {
      TH1F *fNq; // histogram to store number of quark
      TH1F *fProcessID; // histogram to store process id 
      TH2F *fePtRatio; // fraction of electron pT from D or B hadron
      TH2F *fPtCorr; // pt correlation between e and direct D or B 
      TH2F *fPtCorrDp; // pt correlation between e and direct D+
      TH2F *fPtCorrD0; // pt correlation between e and direct D0
      TH2F *fPtCorrDrest; // pt correlation between e and direct D rest
      TH2F *fDePtRatio; // fraction of D electron pT from B hadron 
      TH2F *feDistance; // distance between electron production point to mother particle 
      TH2F *fDeDistance; // distance between D electron production point to mother particle

			AliHistsComm()
			  : fNq()
			  , fProcessID()
			  , fePtRatio()
			  , fPtCorr()
			  , fPtCorrDp()
			  , fPtCorrD0()
			  , fPtCorrDrest()
			  , fDePtRatio()
			  , feDistance()
			  , fDeDistance()
      {  
			  // default constructor
			};
			AliHistsComm(const AliHistsComm & p)
			  : fNq(p.fNq)
			  , fProcessID(p.fProcessID)
			  , fePtRatio(p.fePtRatio)
			  , fPtCorr(p.fPtCorr)
			  , fPtCorrDp(p.fPtCorrDp)
			  , fPtCorrD0(p.fPtCorrD0)
			  , fPtCorrDrest(p.fPtCorrDrest)
			  , fDePtRatio(p.fDePtRatio)
			  , feDistance(p.feDistance)
			  , fDeDistance(p.fDeDistance)
      {
			  // copy constructor
			};
			AliHistsComm &operator=(const AliHistsComm &)
			{
			  // assignment operator, not yet implemented 
			  return *this;
			}
      void FillList(TList *l) const;
    };

    AliHists fHist[3][7][6]; // struct of histograms to store kinematics of given particles
    AliHistsComm fHistComm[2][6]; // struct of additional histograms of given particles
    TH2F *fhD[9]; // D meson pt,Y spectra
    TH1F *fhDLogbin[9]; // D meson pt w diff binning

    TList *fQAhistos;           // Container for QA histos
    AliHFEcollection *fMCQACollection;      //! Tasks own QA collection
    TParticle *fHeavyQuark[50]; //! store pointer of heavy flavour quark 
    Int_t fIsHeavy[2]; // count of heavy flavour
    Int_t fNparents; // number of heavy hadrons to be considered
    Int_t fParentSelect[2][7]; // heavy hadron species

  ClassDef(AliHFEmcQA,1);
};

#endif
Commit	Line	Data
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;
259c3296	37	class TString;
faee3b18	38	class AliMCEvent;
9bcfd1ab	39	class AliGenEventHeader;
0792aa82	40	class AliAODMCParticle;
c2690925	41	class AliHFEcollection;
259c3296	42
	43	//________________________________________________________________
	44	class AliHFEmcQA: public TObject {
	45
70da6c5a	46	public:
faee3b18	47	enum heavyType {kCharm=4, kBeauty=5, kOthers=6, kElectronPDG=11};
70da6c5a	48	enum qType {kQuark, kantiQuark, kHadron, keHadron, kDeHadron, kElectron, kElectron2nd};
c2690925	49	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	50	enum ProcessType {
	51	kPairCreationFromq, kPairCreationFromg, kFlavourExitation, kGluonSplitting, kInitialPartonShower, kLightQuarkShower
	52	};
	53
	54	AliHFEmcQA();
	55	AliHFEmcQA(const AliHFEmcQA &p); // copy constructor
	56	AliHFEmcQA &operator=(const AliHFEmcQA &); // assignment operator
	57
	58	virtual ~AliHFEmcQA();
	59
70da6c5a	60	TList *GetList() const { return fQAhistos; };
70da6c5a	61	void PostAnalyze() const;
e3fc062d	62	void CreatDefaultHistograms(TList * const qaList); // create default histograms
70da6c5a	63	void CreateHistograms(const Int_t kquark, Int_t icut, TString hnopt=""); // create histograms for mc qa analysis
faee3b18	64	void SetMCEvent(AliMCEvent* const mcEvent){fMCEvent = mcEvent;}
70da6c5a	65	void SetGenEventHeader(AliGenEventHeader* const mcHeader){fMCHeader=mcHeader;} // set stack pointer
	66	void SetMCArray(TClonesArray* const mcarry){fMCArray=mcarry;} // set mcarray pointer
	67	void Init();
	68
	69	void GetQuarkKine(TParticle *part, Int_t iTrack, const Int_t kquark); // get heavy quark kinematics distribution
	70	void GetHadronKine(TParticle *part, const Int_t kquark); // get heavy hadron kinematics distribution
	71	void GetDecayedKine(TParticle *part, const Int_t kquark, const Int_t kdecayed, Int_t icut); // get decay electron kinematics distribution
0792aa82	72	void GetDecayedKine(AliAODMCParticle *mcpart, const Int_t kquark, Int_t kdecayed, Int_t icut); // get decay electron kinematics for AOD
c2690925	73	void GetMesonKine(); // get meson and its decay electron pt spectra
70da6c5a	74	void EndOfEventAna(const Int_t kquark); // run analysis which should be done at the end of the event loop
c2690925	75	Int_t GetSource(const TParticle * const mcpart); // return source id
e3fc062d	76	Int_t GetElecSource(TParticle * const mcpart); // return electron source id
c2690925	77	Int_t GetSource(const AliAODMCParticle * const mcpart); // return electron source id for AOD
dbe3abbe	78
70da6c5a	79	protected:
	80	void IdentifyMother(Int_t motherlabel, Int_t &motherpdg, Int_t &grandmotherlabel); //
	81	void HardScattering(const Int_t kquark, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from hard scattering
	82	void ReportStrangeness(Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // report if the quark production process is unknown
	83	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
	84	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
	85
faee3b18	86	AliMCEvent* fMCEvent; // mcevent pointer
70da6c5a	87	AliGenEventHeader* fMCHeader; // mcheader pointer
	88	TClonesArray *fMCArray; // mc array pointer
	89
c2690925	90	static const Int_t fgkGluon=21; // gluon pdg code
	91	static const Int_t fgkMaxGener=10; // ancester level wanted to be checked
	92	static const Int_t fgkMaxIter=100; // number of iteration to find out matching particle
	93	static const Int_t fgkqType=7; // number of particle type to be checked
70da6c5a	94
	95	struct AliHists{
	96	TH1F *fPdgCode; // histogram to store particle pdg code
	97	TH1F *fPt; // histogram to store pt
	98	TH1F *fY; // histogram to store rapidity
	99	TH1F *fEta; // histogram to store eta
75d81601	100
	101	AliHists()
	102	: fPdgCode()
	103	, fPt()
	104	, fY()
	105	, fEta()
70da6c5a	106	{
75d81601	107	// default constructor
	108	};
	109	AliHists(const AliHists & p)
	110	: fPdgCode(p.fPdgCode)
	111	, fPt(p.fPt)
	112	, fY(p.fY)
	113	, fEta(p.fEta)
70da6c5a	114	{
75d81601	115	// copy constructor
	116	};
	117	AliHists &operator=(const AliHists &)
	118	{
	119	// assignment operator, not yet implemented
	120	return *this;
	121	}
70da6c5a	122	void FillList(TList *l) const;
	123	};
	124	struct AliHistsComm {
	125	TH1F *fNq; // histogram to store number of quark
	126	TH1F *fProcessID; // histogram to store process id
	127	TH2F *fePtRatio; // fraction of electron pT from D or B hadron
ccc37cdc	128	TH2F *fPtCorr; // pt correlation between e and direct D or B
c2690925	129	TH2F *fPtCorrDp; // pt correlation between e and direct D+
	130	TH2F *fPtCorrD0; // pt correlation between e and direct D0
	131	TH2F *fPtCorrDrest; // pt correlation between e and direct D rest
70da6c5a	132	TH2F *fDePtRatio; // fraction of D electron pT from B hadron
	133	TH2F *feDistance; // distance between electron production point to mother particle
	134	TH2F *fDeDistance; // distance between D electron production point to mother particle
75d81601	135
	136	AliHistsComm()
	137	: fNq()
	138	, fProcessID()
	139	, fePtRatio()
ccc37cdc	140	, fPtCorr()
c2690925	141	, fPtCorrDp()
	142	, fPtCorrD0()
	143	, fPtCorrDrest()
75d81601	144	, fDePtRatio()
	145	, feDistance()
	146	, fDeDistance()
70da6c5a	147	{
75d81601	148	// default constructor
	149	};
	150	AliHistsComm(const AliHistsComm & p)
	151	: fNq(p.fNq)
	152	, fProcessID(p.fProcessID)
	153	, fePtRatio(p.fePtRatio)
ccc37cdc	154	, fPtCorr(p.fPtCorr)
c2690925	155	, fPtCorrDp(p.fPtCorrDp)
	156	, fPtCorrD0(p.fPtCorrD0)
	157	, fPtCorrDrest(p.fPtCorrDrest)
75d81601	158	, fDePtRatio(p.fDePtRatio)
	159	, feDistance(p.feDistance)
	160	, fDeDistance(p.fDeDistance)
70da6c5a	161	{
75d81601	162	// copy constructor
	163	};
	164	AliHistsComm &operator=(const AliHistsComm &)
	165	{
	166	// assignment operator, not yet implemented
	167	return *this;
	168	}
70da6c5a	169	void FillList(TList *l) const;
70da6c5a	170	};
259c3296	171
faee3b18	172	AliHists fHist[3][7][6]; // struct of histograms to store kinematics of given particles
faee3b18	173	AliHistsComm fHistComm[2][6]; // struct of additional histograms of given particles
ccc37cdc	174	TH2F *fhD[9]; // D meson pt,Y spectra
ccc37cdc	175	TH1F *fhDLogbin[9]; // D meson pt w diff binning
259c3296	176
70da6c5a	177	TList *fQAhistos; // Container for QA histos
c2690925	178	AliHFEcollection *fMCQACollection; //! Tasks own QA collection
bf892a6a	179	TParticle *fHeavyQuark[50]; //! store pointer of heavy flavour quark
70da6c5a	180	Int_t fIsHeavy[2]; // count of heavy flavour
	181	Int_t fNparents; // number of heavy hadrons to be considered
	182	Int_t fParentSelect[2][7]; // heavy hadron species
259c3296	183
70da6c5a	184	ClassDef(AliHFEmcQA,1);
259c3296	185	};
	186
	187	#endif