X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FASTSIM%2FAliQuenchingWeights.h;h=81e5d18b7d549bd724699aaa859d33b67e356c15;hb=8c25d0140cd8bff6f66da8503b166bc4071f032f;hp=f87d96ecb85f374dd68b62e12f1fad14aa26d5e3;hpb=b6d061b7f40c754971814f25e4ef78bf0e1bd334;p=u%2Fmrichter%2FAliRoot.git diff --git a/FASTSIM/AliQuenchingWeights.h b/FASTSIM/AliQuenchingWeights.h index f87d96ecb85..81e5d18b7d5 100644 --- a/FASTSIM/AliQuenchingWeights.h +++ b/FASTSIM/AliQuenchingWeights.h @@ -17,23 +17,40 @@ // A. Dainese andrea.dainese@pd.infn.it //---------------------------------------------------------------------------- +#include #include class TH1F; class AliQuenchingWeights : public TObject { public: - enum kECMethod {kDefault=0,kReweight=1}; + enum kECMethod {kDefault=0,kReweight=1,kReweightCont=2}; AliQuenchingWeights(); AliQuenchingWeights(const AliQuenchingWeights& a); + AliQuenchingWeights& operator=(const AliQuenchingWeights& a) + {a.Copy(*this); return(*this);} virtual ~AliQuenchingWeights(); void Reset(); Int_t SampleEnergyLoss(); - Double_t GetELossRandom(Int_t ipart, Double_t length, Double_t e=1.e6) const; + Int_t SampleEnergyLoss(Int_t ipart, Double_t r); + + Double_t GetELossRandom(Int_t ipart, Double_t length, Double_t e=1.e10) const; Double_t CalcQuenchedEnergy(Int_t ipart, Double_t length, Double_t e) const; - Double_t GetELossRandom(Int_t ipart, TH1F *hell, Double_t e=1.e6) const; + Double_t GetELossRandom(Int_t ipart, TH1F *hell, Double_t e=1.e10) const; Double_t CalcQuenchedEnergy(Int_t ipart, TH1F *hell, Double_t e) const; + Double_t GetELossRandomK(Int_t ipart, Double_t I0, Double_t I1, Double_t e=1.e10); + Double_t CalcQuenchedEnergyK(Int_t ipart, Double_t I0, Double_t I1, Double_t e); + Double_t GetELossRandomKFast(Int_t ipart, Double_t I0, Double_t I1, Double_t e=1.e10); + Double_t GetELossRandomKFastR(Int_t ipart, Double_t r, Double_t wc, Double_t e=1.e10); + Double_t CalcQuenchedEnergyKFast(Int_t ipart, Double_t I0, Double_t I1, Double_t e); + + Double_t GetDiscreteWeight(Int_t ipart, Double_t I0, Double_t I1); + Double_t GetDiscreteWeightR(Int_t ipart, Double_t r); + void GetZeroLossProb(Double_t &p,Double_t &prw,Double_t &prwcont, + Int_t ipart,Double_t I0,Double_t I1,Double_t e=1.e10); + void GetZeroLossProbR(Double_t &p,Double_t &prw, Double_t &prwcont, + Int_t ipart,Double_t r,Double_t wc,Double_t e=1.e10); //multiple soft scattering approximation Int_t InitMult(const Char_t *contall="$(ALICE_ROOT)/FASTSIM/data/cont_mult.all", @@ -55,30 +72,54 @@ class AliQuenchingWeights : public TObject { Double_t &continuous,Double_t &discrete) const; Double_t CalcWC(Double_t q, Double_t l) const - {return 0.5*q*l*l*gkConvFmToInvGeV;} + {return 0.5*q*l*l*fgkConvFmToInvGeV;} Double_t CalcWCbar(Double_t mu, Double_t l) const - {return 0.5*mu*mu*l*gkConvFmToInvGeV;} + {return 0.5*mu*mu*l*fgkConvFmToInvGeV;} Double_t CalcWC(Double_t l) const {if(fMultSoft) return CalcWC(fQTransport,l); else return CalcWCbar(fMu,l);} + Double_t CalcWCk(Double_t I1) const + {if(fMultSoft) return CalcWCk(fK,I1); + else return -1;} //not implemented! + + Double_t CalcWCk(Double_t k, Double_t I1) const + {if(fMultSoft) return k*I1/fgkConvFmToInvGeV; + else return -1;} //not implemented! + Double_t CalcR(Double_t wc, Double_t l) const; + Double_t CalcRk(Double_t I0, Double_t I1) const + {return CalcRk(fK,I0,I1);} + + Double_t CalcRk(Double_t k, Double_t I0, Double_t I1) const; + + Double_t CalcQk(Double_t I0, Double_t I1) const + {return CalcQk(fK,I0,I1);} + + Double_t CalcQk(Double_t k, Double_t I0, Double_t I1) const + {return I0*I0/2./I1/fgkConvFmToInvGeV/fgkConvFmToInvGeV*k;} + + Double_t CalcLk(Double_t i0, Double_t i1) const + {return 2.*i1/i0;} + Int_t CalcLengthMax(Double_t q) const - {Double_t l3max=gkRMax/.5/q/gkConvFmToInvGeV/gkConvFmToInvGeV; + {Double_t l3max=fgkRMax/.5/q/fgkConvFmToInvGeV/fgkConvFmToInvGeV; return (Int_t)TMath::Power(l3max,1./3.);} - const TH1F* GetHisto(Int_t ipart,Int_t l) const; + const TH1F* GetHisto(Int_t ipart,Double_t length) const; void SetMu(Double_t m=1.) {fMu=m;} void SetQTransport(Double_t q=1.) {fQTransport=q;} + void SetK(Double_t k=4.e5) {fK=k;} //about 1 GeV^2/fm void SetECMethod(kECMethod type=kDefault); void SetLengthMax(Int_t l=20) {fLengthMax=l;} Float_t GetMu() const {return fMu;} Float_t GetQTransport() const {return fQTransport;} + Float_t GetK() const {return fK;} Bool_t GetECMethod() const {return fECMethod;} Bool_t GetTablesLoaded() const {return fTablesLoaded;} Bool_t GetMultSoft() const {return fMultSoft;} @@ -86,44 +127,58 @@ class AliQuenchingWeights : public TObject { TH1F* ComputeQWHisto (Int_t ipart,Double_t medval,Double_t length) const; TH1F* ComputeQWHistoX(Int_t ipart,Double_t medval,Double_t length) const; - TH1F* ComputeELossHisto (Int_t ipart,Double_t medval,Double_t l,Double_t e=1.e6) const; - TH1F* ComputeELossHisto (Int_t ipart,Double_t medval,TH1F *hEll,Double_t e=1.e6) const; + TH1F* ComputeQWHistoX(Int_t ipart,Double_t r) const; + TH1F* ComputeELossHisto(Int_t ipart,Double_t medval,Double_t l,Double_t e=1.e10) const; + TH1F* ComputeELossHisto(Int_t ipart,Double_t medval,TH1F *hEll,Double_t e=1.e10) const; + TH1F* ComputeELossHisto(Int_t ipart,Double_t r) const; + + Double_t GetMeanELoss(Int_t ipart,Double_t medval,Double_t l) const; + Double_t GetMeanELoss(Int_t ipart,Double_t medval,TH1F *hEll) const; + Double_t GetMeanELoss(Int_t ipart,Double_t r) const; - void PlotDiscreteWeights(Int_t len=4) const; - void PlotContWeights(Int_t itype,Int_t len) const; - void PlotContWeights(Int_t itype,Double_t medval) const; - void PlotAvgELoss(Int_t len ,Double_t e=1.e6) const; - void PlotAvgELoss(TH1F *hEll,Double_t e=1.e6) const; - void PlotAvgELossVsPt(Double_t medval,Int_t len) const; - void PlotAvgELossVsPt(Double_t medval,TH1F *hEll) const; + void PlotDiscreteWeights(Double_t len=4,Double_t qm=5) const; + void PlotContWeights(Int_t itype,Double_t len) const; + void PlotContWeightsVsL(Int_t itype,Double_t medval) const; + void PlotAvgELoss(Double_t len,Double_t qm=5,Double_t e=1.e10) const; + void PlotAvgELoss(TH1F *hEll,Double_t e=1.e10) const; + void PlotAvgELossVsL(Double_t e=1.e10) const; + void PlotAvgELossVsPt(Double_t medval,Double_t len) const; + void PlotAvgELossVsPt(Double_t medval,TH1F *hEll) const; protected: - static const Double_t gkConvFmToInvGeV; - static const Double_t gkRMax; - static Int_t gCounter;//static instance counter - Int_t fInstanceNumber;//instance number of class + Int_t GetIndex(Double_t len) const; + + static const Double_t fgkConvFmToInvGeV; //conversion factor + static const Int_t fgkBins; //number of bins for hists + static const Double_t fgkMaxBin; //max. value of wc + static const Double_t fgkRMax; //max. tabled value of R + + static Int_t fgCounter;//static instance counter + Int_t fInstanceNumber; //instance number of class Bool_t fMultSoft; //approximation type - Bool_t fECMethod; //energy constraint method - Double_t fQTransport; //transport coefficient + kECMethod fECMethod; //energy constraint method + Double_t fQTransport; //transport coefficient [GeV^2/fm]] Double_t fMu; //Debye screening mass + Double_t fK; //proportional constant [fm] Int_t fLengthMax; //maximum length Int_t fLengthMaxOld; //maximum length used for histos //discrete and cont part of quenching for //both parton type and different lengths TH1F ***fHistos; //! + TH1F *fHisto; //! // data strucs for tables - Double_t fxx[400]; - Double_t fxxg[400]; - Double_t fdaq[30]; - Double_t fdag[30]; - Double_t fcaq[30][261]; - Double_t fcag[30][261]; - Double_t frrr[30]; - Double_t frrrg[30]; - Bool_t fTablesLoaded; + Double_t fxx[400]; //sampled energy quark + Double_t fxxg[400]; //sampled energy gluon + Double_t fdaq[34]; //discrete weight quark + Double_t fdag[34]; //discrete weight gluon + Double_t fcaq[34][261]; //continuous weights quarks + Double_t fcag[34][261]; //continuous weights gluons + Double_t frrr[34]; //r value quark + Double_t frrrg[34]; //r value gluon + Bool_t fTablesLoaded; //tables loaded ClassDef(AliQuenchingWeights,1) // Base class for Quenching Weights };