[u/mrichter/AliRoot.git] / EVGEN / AliSlowNucleonModelExp.h

#ifndef ALISLOWNUCLEONMODELEXP_H
#define ALISLOWNUCLEONMODELEXP_H
/* Copyright(c) 198-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//
// Experimental data inspired Gray Particle Model for p-Pb collisions
// Fluctuations are calculated from a binomial distribution.
// Author: A.Morsch
//

#include "AliSlowNucleonModel.h"

class AliCollisionGeometry;

class AliSlowNucleonModelExp : public AliSlowNucleonModel
{
 public:
    AliSlowNucleonModelExp();
    virtual ~AliSlowNucleonModelExp(){;}
    virtual void GetNumberOfSlowNucleons(AliCollisionGeometry* geo,
					 Int_t& ngp, Int_t& ngn, Int_t& nbp, Int_t& nbn) const;
    virtual void SetParameters(Float_t alpha1, Float_t alpha2);
    virtual void SetSaturation(Bool_t saturation) {fApplySaturation = saturation;}
    virtual void SetSaturationParams(Float_t ngray=15, Float_t nblack=28) 
    		{fnGraySaturation=ngray; fnBlackSaturation=nblack;}
    
 protected:
    Float_t  fP;          // Number of protons  in the target 
    Float_t  fN;          // Number of neutrons in the target
    Float_t  fAlphaGray;  // Proportionality between gray   particles and number of collisions
    Float_t  fAlphaBlack; // Proportionality between black  particles and number of collisions
    Bool_t   fApplySaturation;  // If true apply satoration to N_black vs. N_gray
    Int_t    fnGraySaturation;  // N_gray value for N_black saturation
    Int_t    fnBlackSaturation; // N_black saturation value
    
  ClassDef(AliSlowNucleonModelExp,2) // Gray Particle Model (Experiment inspired)
};
#endif
Commit	Line	Data
	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	//
	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
	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,
	24	Int_t& ngp, Int_t& ngn, Int_t& nbp, Int_t& nbn) const;
	25	virtual void SetParameters(Float_t alpha1, Float_t alpha2);
	26	virtual void SetSaturation(Bool_t saturation) {fApplySaturation = saturation;}
	27	virtual void SetSaturationParams(Float_t ngray=15, Float_t nblack=28)
	28	{fnGraySaturation=ngray; fnBlackSaturation=nblack;}
	29
	30	protected:
	31	Float_t fP; // Number of protons in the target
	32	Float_t fN; // Number of neutrons in the target
	33	Float_t fAlphaGray; // Proportionality between gray particles and number of collisions
	34	Float_t fAlphaBlack; // Proportionality between black particles and number of collisions
	35	Bool_t fApplySaturation; // If true apply satoration to N_black vs. N_gray
	36	Int_t fnGraySaturation; // N_gray value for N_black saturation
	37	Int_t fnBlackSaturation; // N_black saturation value
	38
	39	ClassDef(AliSlowNucleonModelExp,2) // Gray Particle Model (Experiment inspired)
	40	};
	41	#endif
	42
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	48