Sumv2 used for correct calculation of histogram errors
[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
8#include "AliSlowNucleonModel.h"
9
10class AliCollisionGeometry;
11
12class AliSlowNucleonModelExp : public AliSlowNucleonModel
13{
14 public:
15 AliSlowNucleonModelExp();
16 virtual ~AliSlowNucleonModelExp(){;}
17 virtual void GetNumberOfSlowNucleons(AliCollisionGeometry* geo,
18 Int_t& ngp, Int_t& ngn, Int_t& nbp, Int_t& nbn);
19 virtual void SetParameters(Float_t alpha1, Float_t alpha2);
20
21 protected:
22 Float_t fP; // Number of protons in the target
23 Float_t fN; // Number of neutrons in the target
24 Float_t fAlphaGray; // Proportionality between gray particles and number of collisions
25 Float_t fAlphaBlack; // Proportionality between black particles and number of collisions
26
27 ClassDef(AliSlowNucleonModelExp,1) // Gray Particle Model (Experiment inspired)
28};
29#endif
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