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[u/mrichter/AliRoot.git] / EVGEN / AliSlowNucleonModelExp.h
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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
16class AliCollisionGeometry;
17
18class 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
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