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File indexing completed on 2025-02-22 10:31:24
0001 //----------------------------------*-C++-*----------------------------------// 0002 // Copyright 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/io/ImportMuPairProductionTable.hh 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <vector> 0011 0012 #include "ImportPhysicsVector.hh" 0013 0014 namespace celeritas 0015 { 0016 //---------------------------------------------------------------------------// 0017 /*! 0018 * Sampling table for electron-positron pair production by muons. 0019 * 0020 * This 3-dimensional table is used to sample the energy transfer to the 0021 * electron-positron pair, \f$ \epsilon_p \f$. The outer grid stores the atomic 0022 * number using 5 equally spaced points in \f$ \log Z \f$; the x grid tabulates 0023 * the ratio \f$ \log \epsilon_p / T \f$, where \f$ T \f$ is the incident muon 0024 * energy; the y grid stores the incident muon energy using equal spacing in 0025 * \f$ \log T \f$. 0026 */ 0027 struct ImportMuPairProductionTable 0028 { 0029 //!@{ 0030 //! \name Type aliases 0031 using ZInt = int; 0032 //!@} 0033 0034 std::vector<ZInt> atomic_number; 0035 std::vector<ImportPhysics2DVector> physics_vectors; 0036 0037 explicit operator bool() const 0038 { 0039 return !atomic_number.empty() 0040 && physics_vectors.size() == atomic_number.size(); 0041 } 0042 }; 0043 0044 //---------------------------------------------------------------------------// 0045 } // namespace celeritas
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