1 #ifndef ALIGENGRAYPARTICLES_H
2 #define ALIGENGRAYPARTICLES_H
3 /* Copyright(c) 198-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 #include "AliGenerator.h"
9 class AliGrayParticleModel;
11 class AliGenGrayParticles : public AliGenerator
14 AliGenGrayParticles();
15 AliGenGrayParticles(Int_t npart);
16 virtual ~AliGenGrayParticles();
18 virtual void Generate();
19 virtual void SetPmax(Float_t pmax = 10.) {fPmax = pmax;}
20 virtual void SetNominalCmsEnergy(Float_t energy = 14000.) {fCMS = energy;}
21 virtual void SetTarget(Float_t a=208, Float_t z=82) {fATarget = a; fZTarget = z;}
22 virtual void SetCharge(Int_t c = 1) {fCharge = c;}
23 virtual void SetTemperature(Double_t t = 0.05) {fTemperature = t;}
24 virtual void SetBetaSource(Double_t b = 0.05) {fBetaSource = b;}
26 virtual void SetGrayParticleModel(AliGrayParticleModel* model)
27 {fGrayParticleModel = model;}
30 void GenerateSlow(Int_t charge, Double_t T, Double_t beta, Float_t* q);
31 Double_t Maxwell(Double_t m, Double_t p, Double_t t);
32 void Lorentz(Double_t m, Double_t beta, Float_t* q);
34 Float_t fCMS; // Center of mass energy
35 Float_t fMomentum; // Target nucleus momentum
36 Float_t fBeta; // Target nucleus beta
37 Float_t fPmax; // Maximum slow nucleon momentum
38 Float_t fATarget; // Target nucleus mass number
39 Float_t fZTarget; // Target nucleus charge number
40 Int_t fCharge; // Slow nucleon charge
41 Float_t fTemperature; // Source Temperature
42 Float_t fBetaSource; // Source beta
44 AliGrayParticleModel* fGrayParticleModel; // The gray particle model
45 ClassDef(AliGenGrayParticles,1) // Gray Particle Generator