PHadesParticleSmearer.h

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// Author:
// Written: 12.5.2009
// Revised:
// PHadesParticleSmearer Class Header
 
#ifndef _PHADESPARTICLESMEARER_H_
#define _PHADESPARTICLESMEARER_H_
 
#include "TObject.h"
#include "PBulkInterface.h"
#include "PUtils.h"
 
class PHadesParticleSmearer: public PBulkInterface {
 
 public:
    PHadesParticleSmearer();
 
    Bool_t Modify(PParticle **stack, int *decay_done, int *num, int stacksize);
 
    void SetResolutionFactor(Double_t x) {
    resolution_factor = x;
    };
 
 protected:
 
    static double detrk4[7][5] ;
    static double multscrk4[7][5] ;
    static double detrk3[7][5] ;
    static double multscrk3[7][5] ;
    static double detkick[7][5] ;
    TRandom3 rand;
 
 
    double GetResolution(PParticle *p, Int_t iSetup=4);
    void   Smear(PParticle *p, double gamma);
    double resolution_factor ;
 
    ClassDef(PHadesParticleSmearer, 0)  // Momentum smearing of HADES particle tracks
 
};
 
#endif