MaterialInteraction.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
// MaterialInteraction.h, ATLAS Detector software
 
#ifndef TRKGEOMETRY_MATERIALINTERACTION_H
#define TRKGEOMETRY_MATERIALINTERACTION_H
 
#include "TrkEventPrimitives/ParticleHypothesis.h"
#include "TrkGeometry/Material.h"
#include "TrkGeometry/MaterialProperties.h"
 
namespace Trk {
 
struct MaterialInteraction
{
  static double dEdl_ionization(
    double p,
    const Material& mat,
    ParticleHypothesis particle,
    double& sigma,
    double& kazL);
 
  static double dEdXBetheBloch(
    const Trk::MaterialProperties& mat,
    double beta,
    double gamma,
    Trk::ParticleHypothesis particle);
 
  static double dE_MPV_ionization(
    double p,
    const Trk::Material& mat,
    Trk::ParticleHypothesis particle,
    double& sigma,
    double& kazL,
    double path);
 
  static double dEdl_radiation(
    double p,
    const Material& mat,
    ParticleHypothesis particle,
    double& sigma);
 
  static double dEdXBetheHeitler(
    const Trk::MaterialProperties& mat,
    double initialE,
    Trk::ParticleHypothesis particle);
 
  static double sigmaMS(
    double dInX0,
    double p,
    double beta);
};
} // namespace Trk
 
#endif