+++ /dev/null
-#ifndef ALIPTMOTHFROMPTDAUGH_H
-#define ALIPTMOTHFROMPTDAUGH_H
-/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
-/* $Id$ */
-
-////////////////////////////////////////////////////////////////////////////
-// Class to perform pt-spectra (and ptMin-spectra) extraction of mothers //
-// particles starting from measured pt-spectra of daughters particles //
-// that come from inclusive decays. //
-// //
-// Contact: Giuseppe.Bruno@ba.infn.it & Fiorella.Fionda@ba.infn.it //
-////////////////////////////////////////////////////////////////////////////
-
-class TH1F;
-class TNtuple;
-class AliStack;
-class TParticle;
-class TArrayI;
-#include <TNamed.h>
-#include <TString.h>
-
-//________________________________________________________________
-class AliPtMothFromPtDaugh : public TNamed {
-
-public:
-
- typedef enum {
- kUserAnalysis,
- kBtoJPSI,
- kBtoEle,
- kBtoMuon,
- kBtoD0
- } Analysis_mode;
-
- AliPtMothFromPtDaugh();
- AliPtMothFromPtDaugh(const char* name, const char* title);
- virtual ~AliPtMothFromPtDaugh();
-
- Bool_t CreateWeights(); // method which create the containers for the corrections for the deconvolution
- void DeleteWeights(); // reset the containers
- Bool_t ReadHistoPtDaught(const TH1F *hist); // this is input, i.e. the spectrum of the daughter.
- //
- // setters
- //
- void SetDefaultAnalysis(Analysis_mode mode){fAnalysisMode = mode; InitDefaultAnalysis();}
- void SetPdgDaugh(Int_t pdgD); // set the pdg of the daughter particle
- void SetBeautyMothers(); // all the Beauty particles are considered as "mothers"
- void SetPdgMothers(Int_t n_mothers,Int_t *pdgM); // define which particles are considered as possible mothers
-
- // (here you can set the pt binning of the final spectrum, i.e. that of the mothers )
- void SetBinsPtMoth(Double_t ptmin, Double_t ptmax,Int_t nbins,Double_t alpha=1.0); // binning of histo pt(Mothers)
- void SetBinsPtMoth(Int_t nbins, Double_t *edgeBins); // " " " "
- void SetBinsPtMinMoth(Double_t ptmin, Double_t ptmax,Int_t nbins,Double_t alpha=1.0); // histo of pt_min(Mothers)
- void SetBinsPtMinMoth(Int_t nbins, Double_t *edgeBins); // histo of pt_min(Mothers)
- //
- void SetYmothers(Double_t yMin, Double_t yMax){fyMothMin = yMin; // define rapidity range
- fyMothMax = yMax; SetUseEta(kFALSE);} // of the mothers
- void SetYdaughter(Double_t yMin, Double_t yMax){fyDaughMin = yMin; // define rapidity range
- fyDaughMax = yMax; SetUseEta(kFALSE);} // of the daughter
-
- void SetEtaMothers(Double_t etaMin, Double_t etaMax){fyMothMin = etaMin; // define pseudo-rapidity range of mothers
- fyMothMax = etaMax; SetUseEta(kTRUE);}
- void SetEtaDaughter(Double_t etaMin, Double_t etaMax){fyDaughMin = etaMin; // define pseudo-rapidity range of daughter
- fyDaughMax = etaMax; SetUseEta(kTRUE);}
- void SetDecayNtupla(TNtuple *DecKine){fDecayKine = DecKine;} // define TNtupla with kinematic informations
- //getters
- Double_t* GetBinsSize(const TH1F *hist, Int_t &n) const;
- Bool_t GetEtaMothers(Double_t &etaMin, Double_t &etaMax) const; // get pseudorapidity edges for mothers if pseudorapidity
- // is used (return kFALSE if rapidity has been used)
- Bool_t GetEtaDaughter(Double_t &etaMin, Double_t &etaMax) const; // get pseudorapidity edges for daughters if pseudorapidity
- // is used (return kFALSE if rapidity has ben used)
- Bool_t GetYMothers(Double_t &yMin, Double_t &yMax) const; // get rapidity edges for mothers if rapidity is used
- Bool_t GetYDaughter(Double_t &yMin, Double_t &yMax) const; // get rapidity edges for daughters if rapidity is used
-
- Int_t GetPdgDaugh() const {return fDaughter;} // return the pdg of the daughter particle
- Int_t* GetPdgMothers(Int_t &n_mothers) const; // return the pdg codes of the mothers particles
-
- // main method to evaluate mothers spectra (for pt and ptMin)
- Bool_t EvaluatePtMoth();
- void WritePtMothHistoToFile(TString fileOutName="Mothers.root");
-
- // return values of correction factors for pt-mothers ditribution
- Double_t GetW(Int_t i,Int_t j) const;
- Double_t GetF(Int_t i) const;
-
- // return values of correction factors for ptMin-mothers ditribution
- Double_t GetWmin(Int_t i,Int_t j) const;
- Double_t GetFmin(Int_t i) const;
-
- // return errors on correction factors for pt-mothers distribution
- Double_t GetStatErrW(Int_t i,Int_t j) const;
- Double_t GetStatErrF(Int_t i) const;
-
- // return errors on correction factors for ptMin-mothers distribution
- Double_t GetStatErrWmin(Int_t i,Int_t j) const;
- Double_t GetStatErrFmin(Int_t i) const;
-
- // return pointers to pt and ptMin mothers histograms
- TH1F* GetHistoPtMother() const {return fHistoPtMothers;}
- TH1F* GetHistoPtMinMother() const {return fHistoPtMinMothers;}
-
- //method to read kinematic
- Int_t GiveBinIndex(Double_t Ptpart,const TH1F *ptHist) const;
- Bool_t Rapidity(const TParticle *particle, Double_t &y);
- Bool_t IsMothers(Int_t pdgCode);
- Bool_t IsSelectedDaugh(const TParticle *part, Int_t &labelDaugh, AliStack * const stack);
- Bool_t CutDaugh(Double_t yD,Double_t ptD);
-
-private:
- void InitDefaultAnalysis(); // set the default analysis for one of the specific Analysis_mode, apart kUserAnalysis
- // methods to evaluate correction factors
- Bool_t EvaluateWij(); //
- Bool_t EvaluateFi(); //
-
- void SetUseEta(Bool_t useEta){fUseEta=useEta;} // decide whether to use rapidity or pseudo-rapidity cut
- Double_t* SetBinsSize(Double_t ptmin, Double_t ptmax,Int_t nbins,Double_t alpha);
- // method to evaluate raw-mothers spectra (for pt and ptMin)
- Bool_t EvaluatePtMothRaw(TH1F *histoPt, TH1F *histoPtMin);
- //method to evaluate statistical errors on extracted distribution
- Bool_t EvaluateErrPt(Double_t *erStat);
- Bool_t EvaluateErrPtMin(Double_t *erStat);
- void SetPdgMothersPrivate(Int_t n_mothers,Int_t *pdgM); // define which particles are considered as possible mothers
-
- TNtuple* fDecayKine; //Ntupla to store kinematic information of Decay
- Double_t** fWij; //pointer to store correction factors
- Double_t* fFi; //" " "
- Double_t** fWijMin; //" " "
- Double_t* fFiMin; //" " "
- TH1F* fHistoPtDaughter; //pointers to pt-histogram of Daughther
- TH1F* fHistoPtMothers; //pointers to ptMin-histogram of mothers
- TH1F* fHistoPtMinMothers; //pointers for pt_min-histogram of Mothers
- TArrayI* fMothers; //Array with pdg codes of mothers
- Int_t fDaughter; //pdg code of daughter
- Double_t fyMothMax; //max rapidity (or pseudorapidity) of mothers
- Double_t fyMothMin; //min " " "
- Double_t fyDaughMax; //max " " of daughters
- Double_t fyDaughMin; //min " " "
- Bool_t fUseEta; //kTRUE if pseudorapidity range is used
- Analysis_mode fAnalysisMode; //analysis mode
-
- AliPtMothFromPtDaugh(const AliPtMothFromPtDaugh &c);
- AliPtMothFromPtDaugh &operator=(const AliPtMothFromPtDaugh &c);
-
- ClassDef(AliPtMothFromPtDaugh,1); // mother pt spectrum from daughter pt spectrum
-};
-
-
-#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff