-#ifndef AliTRDsim_H
-#define AliTRDsim_H
+#ifndef ALITRDSIM_H
+#define ALITRDSIM_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
-#include "TObject.h"
+/* $Id$ */
+
+////////////////////////////////////////////////////////////////////////////
+// //
+// TRD simulation - multimodule (regular rad.) //
+// //
+////////////////////////////////////////////////////////////////////////////
+
+#include <TObject.h>
+
+class TH1D;
+
+class AliModule;
class AliTRDsim : public TObject {
-private:
- Int_t fNj; // Number of channel of the histogram
- Float_t fU, fL, fBin;
- Double_t fRo1, fRo2, fOmega1, fOmega2;
- Int_t fIrst;
-public:
+ public:
+
AliTRDsim();
- virtual ~AliTRDsim() {}
- virtual void trd_sim();
- virtual void xtr(Double_t gamma, Double_t omega1, Double_t omega2,
- Float_t *sigmaRad, Int_t &np, Float_t *trEn);
- virtual Float_t fsigmaRad(Int_t ifl, Int_t ig, Float_t o);
- virtual Int_t locate(Double_t *xv, Int_t n, Double_t xval,
- Int_t &kl, Double_t &dx);
- virtual Float_t hisran(Float_t *y, Int_t n, Float_t xlo, Float_t xwid);
-
-
- ClassDef(AliTRDsim,1) //Base class for all Alice hits
+ AliTRDsim(const AliTRDsim &s);
+ AliTRDsim(AliModule *mod, Int_t foil, Int_t gap);
+ virtual ~AliTRDsim();
+ AliTRDsim &operator=(const AliTRDsim &s);
+
+ virtual void Copy(TObject &s) const;
+ virtual void Init();
+ virtual Int_t CreatePhotons(Int_t pdg, Float_t p
+ , Int_t &nPhoton, Float_t *ePhoton);
+ virtual Int_t TrPhotons(Float_t p, Float_t mass
+ , Int_t &nPhoton, Float_t *ePhoton);
+ virtual Double_t Sigma(Double_t energykeV);
+ virtual Double_t Interpolate(Double_t energyMeV
+ , Double_t *en, Double_t *mu, Int_t n);
+ virtual Int_t Locate(Double_t *xv, Int_t n, Double_t xval
+ , Int_t &kl, Double_t &dx);
+ virtual Double_t Omega(Float_t rho, Float_t z, Float_t a) { return (28.8 * TMath::Sqrt(rho * z / a)); };
+ virtual Int_t SelectNFoils(Float_t p);
+
+ void SetFoilThick(Float_t t) { fFoilThick = t;
+ SetSigma(); };
+ void SetGapThick(Float_t t) { fGapThick = t;
+ SetSigma(); };
+ void SetFoilDens(Float_t d) { fFoilDens = d;
+ fFoilOmega = Omega(fFoilDens,fFoilZ,fFoilA);
+ SetSigma(); };
+ void SetFoilZ(Float_t z) { fFoilZ = z;
+ fFoilOmega = Omega(fFoilDens,fFoilZ,fFoilA); };
+ void SetFoilA(Float_t a) { fFoilA = a;
+ fFoilOmega = Omega(fFoilDens,fFoilZ,fFoilA); };
+ void SetGapDens(Float_t d) { fGapDens = d;
+ fGapOmega = Omega(fGapDens ,fGapZ ,fGapA );
+ SetSigma(); };
+ void SetGapZ(Float_t z) { fGapZ = z;
+ fGapOmega = Omega(fGapDens ,fGapZ ,fGapA ); };
+ void SetGapA(Float_t a) { fGapA = a;
+ fGapOmega = Omega(fGapDens ,fGapZ ,fGapA ); };
+ void SetTemp(Float_t t) { fTemp = t;
+ SetSigma(); };
+ void SetSigma();
+
+ virtual Double_t GetMuPo(Double_t energyMeV);
+ virtual Double_t GetMuCO(Double_t energyMeV);
+ virtual Double_t GetMuXe(Double_t energyMeV);
+ virtual Double_t GetMuBu(Double_t energyMeV);
+ virtual Double_t GetMuMy(Double_t energyMeV);
+ virtual Double_t GetMuN2(Double_t energyMeV);
+ virtual Double_t GetMuO2(Double_t energyMeV);
+ virtual Double_t GetMuHe(Double_t energyMeV);
+ virtual Double_t GetMuAi(Double_t energyMeV);
+
+ Float_t GetFoilThick() const { return fFoilThick; };
+ Float_t GetGapThick() const { return fGapThick; };
+ Float_t GetFoilDens() const { return fFoilDens; };
+ Float_t GetGapDens() const { return fGapDens; };
+ Double_t GetFoilOmega() const { return fFoilOmega; };
+ Double_t GetGapOmega() const { return fGapOmega; };
+ Float_t GetTemp() const { return fTemp / 273.16; };
+ TH1D *GetSpectrum() const { return fSpectrum; };
+
+ protected:
+
+ Int_t fNFoilsDim; // Dimension of the NFoils array
+ Int_t *fNFoils; //[fNFoilsDim] Number of foils in the radiator stack
+ Double_t *fNFoilsUp; //[fNFoilsDim] Upper momenta for a given number of foils
+ Float_t fFoilThick; // Thickness of the foils (cm)
+ Float_t fGapThick; // Thickness of the gaps between the foils (cm)
+
+ Float_t fFoilDens; // Density of the radiator foils (g/cm^3)
+ Float_t fGapDens; // Density of the gas in the radiator gaps (g/cm^3)
+
+ Double_t fFoilOmega; // Plasma frequency of the radiator foils
+ Double_t fGapOmega; // Plasma frequency of the gas in the radiator gaps
+
+ Float_t fFoilZ; // Z of the foil material
+ Float_t fGapZ; // Z of the gas in the gaps
+
+ Float_t fFoilA; // A of the foil material
+ Float_t fGapA; // A of the gas in the gaps
+
+ Float_t fTemp; // Temperature of the radiator gas (Kelvin)
+
+ Int_t fSpNBins; // Number of bins of the TR spectrum
+ Float_t fSpRange; // Range of the TR spectrum
+ Float_t fSpBinWidth; // Bin width of the TR spectrum
+ Float_t fSpLower; // Lower border of the TR spectrum
+ Float_t fSpUpper; // Upper border of the TR spectrum
+
+ Double_t *fSigma; //[fSpNBins] Array of sigma values
+
+ TH1D *fSpectrum; //! TR photon energy spectrum
+
+ ClassDef(AliTRDsim,2) // Simulates TR photons
+
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff