em/model/KleinNishinaModel.hh

0001 //----------------------------------*-C++-*----------------------------------//
0002 // Copyright 2020-2024 UT-Battelle, LLC, and other Celeritas developers.
0003 // See the top-level COPYRIGHT file for details.
0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT)
0005 //---------------------------------------------------------------------------//
0006 //! \file celeritas/em/model/KleinNishinaModel.hh
0007 //---------------------------------------------------------------------------//
0008 #pragma once
0009
0010 #include "celeritas/em/data/KleinNishinaData.hh"
0011 #include "celeritas/phys/Model.hh"
0012 #include "celeritas/phys/ParticleParams.hh"
0013
0014 namespace celeritas
0015 {
0016 //---------------------------------------------------------------------------//
0017 /*!
0018  * Set up and launch the Klein-Nishina model interaction.
0019  */
0020 class KleinNishinaModel final : public Model, public StaticConcreteAction
0021 {
0022   public:
0023     // Construct from model ID and other necessary data
0024     KleinNishinaModel(ActionId id, ParticleParams const& particles);
0025
0026     // Particle types and energy ranges that this model applies to
0027     SetApplicability applicability() const final;
0028
0029     // Get the microscopic cross sections for the given particle and material
0030     MicroXsBuilders micro_xs(Applicability) const final;
0031
0032     //! Apply the interaction kernel to host data
0033     void step(CoreParams const&, CoreStateHost&) const final;
0034
0035     // Apply the interaction kernel to device data
0036     void step(CoreParams const&, CoreStateDevice&) const final;
0037
0038     //!@{
0039     //! Access model data
0040     KleinNishinaData const& host_ref() const { return data_; }
0041     KleinNishinaData const& device_ref() const { return data_; }
0042     //!@}
0043
0044   private:
0045     KleinNishinaData data_;
0046 };
0047
0048 //---------------------------------------------------------------------------//
0049 }  // namespace celeritas