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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 // 25-08-06 New Final State type (refFlag==3 , Legendre (Low Energy) + Probability (High Energy) )
0029 //          is added by T. KOI
0030 //
0031 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
0032 //
0033 #ifndef G4ParticleHPElasticFS_h
0034 #define G4ParticleHPElasticFS_h 1
0035 
0036 #include "G4HadFinalState.hh"
0037 #include "G4HadProjectile.hh"
0038 #include "G4ParticleHPFastLegendre.hh"
0039 #include "G4ParticleHPFinalState.hh"
0040 #include "G4ParticleHPInterpolator.hh"
0041 #include "G4ParticleHPLegendreStore.hh"
0042 #include "G4ParticleHPNames.hh"
0043 #include "G4ParticleHPPartial.hh"
0044 #include "G4ParticleHPVector.hh"
0045 #include "G4ReactionProduct.hh"
0046 #include "globals.hh"
0047 
0048 class G4ParticleHPElasticFS : public G4ParticleHPFinalState
0049 {
0050   public:
0051     G4ParticleHPElasticFS();
0052     ~G4ParticleHPElasticFS() override
0053     {
0054       delete theCoefficients;
0055       delete theProbArray;
0056     }
0057     void Init(G4double A, G4double Z, G4int M, G4String& dirName, G4String& aFSType,
0058               G4ParticleDefinition*) override;
0059     G4HadFinalState* ApplyYourself(const G4HadProjectile& theTrack) override;
0060     G4ParticleHPFinalState* New() override
0061     {
0062       auto theNew = new G4ParticleHPElasticFS;
0063       return theNew;
0064     }
0065 
0066     // New method useful for the DBRC algorithm
0067     void RegisterCrossSection(G4ParticleHPVector* vec) { xsForDBRC = vec; }
0068 
0069   private:
0070     // The following two methods and six data members are needed for the DBRC algorithm
0071     void InitializeScatteringKernelParameters();
0072     G4ReactionProduct GetBiasedThermalNucleus(const G4double aMass, G4ThreeVector aVelocity,
0073                                               const G4double temp = -1.);
0074     G4double svtEmax;
0075     G4double dbrcEmax;
0076     G4double dbrcEmin;
0077     G4double dbrcAmin;
0078     G4bool dbrcUse;
0079     G4ParticleHPVector* xsForDBRC;
0080 
0081     G4int repFlag;  // Legendre coeff(1), or probability array(2), or isotropic(0).
0082                     // add 3: for Legendre (Low Energy) + Probability (High Energy)
0083     G4double tE_of_repFlag3;  // transition energy in case of  repFlag 3:
0084     G4double targetMass;  // in neutronmass units.
0085     G4int frameFlag;  // CMS or Lab system.
0086 
0087     G4ParticleHPLegendreStore* theCoefficients;  // the legendre coefficients
0088     G4ParticleHPPartial* theProbArray;  // the probability array p,costh for energy
0089 
0090     G4ParticleHPFastLegendre theLegend;  // fast look-up for leg-integrals
0091 };
0092 #endif