Interactions.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2018-2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include <utility>

#include "Acts/Material/MaterialProperties.hpp"
#include "Acts/Utilities/Units.hpp"

namespace Acts {

float computeEnergyLossBethe(const MaterialProperties& slab, int pdg, float m,
                             float qOverP, float q = UnitConstants::e);
float deriveEnergyLossBetheQOverP(const MaterialProperties& slab, int pdg,
                                  float m, float qOverP,
                                  float q = UnitConstants::e);

float computeEnergyLossLandau(const MaterialProperties& slab, int pdg, float m,
                              float qOverP, float q = UnitConstants::e);
float deriveEnergyLossLandauQOverP(const MaterialProperties& slab, int pdg,
                                   float m, float qOverP,
                                   float q = UnitConstants::e);

float computeEnergyLossLandauSigma(const MaterialProperties& slab, int pdg,
                                   float m, float qOverP,
                                   float q = UnitConstants::e);
float computeEnergyLossLandauSigmaQOverP(const MaterialProperties& slab,
                                         int pdg, float m, float qOverP,
                                         float q = UnitConstants::e);

float computeEnergyLossRadiative(const MaterialProperties& slab, int pdg,
                                 float m, float qOverP,
                                 float q = UnitConstants::e);
float deriveEnergyLossRadiativeQOverP(const MaterialProperties& slab, int pdg,
                                      float m, float qOverP,
                                      float q = UnitConstants::e);

float computeEnergyLossMean(const MaterialProperties& slab, int pdg, float m,
                            float qOverP, float q = UnitConstants::e);
float deriveEnergyLossMeanQOverP(const MaterialProperties& slab, int pdg,
                                 float m, float qOverP,
                                 float q = UnitConstants::e);

float computeEnergyLossMode(const MaterialProperties& slab, int pdg, float m,
                            float qOverP, float q = UnitConstants::e);
float deriveEnergyLossModeQOverP(const MaterialProperties& slab, int pdg,
                                 float m, float qOverP,
                                 float q = UnitConstants::e);

float computeMultipleScatteringTheta0(const MaterialProperties& slab, int pdg,
                                      float m, float qOverP,
                                      float q = UnitConstants::e);

}  // namespace Acts