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930c0bb5 | 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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | #include "AliGenerator.h" | |
9 | ||
10 | class AliGenGrayParticles : public AliGenerator | |
11 | { | |
12 | public: | |
13 | AliGenGrayParticles(); | |
14 | AliGenGrayParticles(Int_t npart); | |
15 | virtual ~AliGenGrayParticles(); | |
16 | virtual void Init(); | |
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;} | |
22 | ||
23 | protected: | |
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); | |
27 | protected: | |
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 | |
36 | }; | |
37 | #endif | |
38 | ||
39 | ||
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43 |