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"
10 class AliGenGrayParticles : public AliGenerator
13 AliGenGrayParticles();
14 AliGenGrayParticles(Int_t npart);
15 virtual ~AliGenGrayParticles();
17 virtual void Generate();
18 virtual void SetPmax(Float_t pmax = 10.) {fPmax = pmax;}
19 virtual void SetNominalCmsEnergy(Float_t energy = 14000.) {fCMS = energy;}
20 virtual void SetTarget(Float_t a=208, Float_t z=82) {fATarget = a; fZTarget = z;}
21 virtual void SetTemperature(Double_t t = 0.05) {fTemperature = t;}
24 void GenerateSlow(Int_t charge, Double_t T, Double_t beta, Float_t* q);
25 Double_t Maxwell(Double_t m, Double_t p, Double_t t);
26 void Lorentz(Double_t m, Double_t beta, Float_t* q);
28 Float_t fCMS; // Center of mass energy
29 Float_t fMomentum; // Target nucleus momentum
30 Float_t fBeta; // Target nucleus beta
31 Float_t fPmax; // Maximum slow nucleon momentum
32 Float_t fATarget; // Target nucleus mass number
33 Float_t fZTarget; // Target nucleus charge number
34 Float_t fTemperature; // Source Temperature
35 ClassDef(AliGenGrayParticles,1) // Gray Particle Generator