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c9a8628a | 1 | #ifndef ALISLOWNUCLEONMODELEXP_H |
2 | #define ALISLOWNUCLEONMODELEXP_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 | ||
ac3faee4 | 8 | // |
9 | // Experimental data inspired Gray Particle Model for p-Pb collisions | |
10 | // Fluctuations are calculated from a binomial distribution. | |
11 | // Author: A.Morsch | |
12 | // | |
13 | ||
c9a8628a | 14 | #include "AliSlowNucleonModel.h" |
15 | ||
16 | class AliCollisionGeometry; | |
17 | ||
18 | class AliSlowNucleonModelExp : public AliSlowNucleonModel | |
19 | { | |
20 | public: | |
21 | AliSlowNucleonModelExp(); | |
22 | virtual ~AliSlowNucleonModelExp(){;} | |
23 | virtual void GetNumberOfSlowNucleons(AliCollisionGeometry* geo, | |
ac3faee4 | 24 | Int_t& ngp, Int_t& ngn, Int_t& nbp, Int_t& nbn) const; |
c9a8628a | 25 | virtual void SetParameters(Float_t alpha1, Float_t alpha2); |
26 | ||
27 | protected: | |
28 | Float_t fP; // Number of protons in the target | |
29 | Float_t fN; // Number of neutrons in the target | |
30 | Float_t fAlphaGray; // Proportionality between gray particles and number of collisions | |
31 | Float_t fAlphaBlack; // Proportionality between black particles and number of collisions | |
32 | ||
33 | ClassDef(AliSlowNucleonModelExp,1) // Gray Particle Model (Experiment inspired) | |
34 | }; | |
35 | #endif | |
36 | ||
37 | ||
38 | ||
39 | ||
40 | ||
41 |