[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[1315] | 27 | // $Id: G4HadronElastic.hh,v 1.32 2010/01/13 15:42:06 mkossov Exp $ |
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[1340] | 28 | // GEANT4 tag $Name: geant4-09-03-ref-09 $ |
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[819] | 29 | // |
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| 30 | // |
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| 31 | // G4 Model: Low energy elastic scattering with 4-momentum balance |
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| 32 | // Derived fron G4LElastic of F.W. Jones, TRIUMF, 04-JUN-96 |
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| 33 | // Uses G4ElasticHadrNucleusHE and G4VQCrossSection |
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| 34 | // |
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| 35 | // Modified: |
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| 36 | // 14-Dec-05 V.Ivanchenko rename the class |
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| 37 | // 13-Apr-06 V.Ivanchenko move to coherent_elastic |
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| 38 | // 25-Jul-06 V.Ivanchenko add 19 MeV low energy, below which S-wave is sampled |
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| 39 | // 20-Oct-06 V.Ivanchenko default ekinhigh = GeV (use HE model) |
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| 40 | // 16-Nov-06 V.Ivanchenko remove definition |
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| 41 | // 16-Nov-06 V.Ivanchenko default ekinhigh = 0.4*GeV |
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| 42 | // 16-Nov-06 V.Ivanchenko cleanup and rename Set methods and variables |
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| 43 | // 28-Mar-07 V.Ivanchenko add NIST manager |
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| 44 | // 11-May-07 V.Ivanchenko remove unused method Defs1 |
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[1315] | 45 | // 13.01.10: M.Kosov: Use G4Q(Pr/Neut)ElasticCS instead of G4QElasticCS |
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[819] | 46 | // |
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| 47 | // |
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| 48 | // Class Description |
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| 49 | // Final state production model for hadron nuclear elastic scattering; |
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| 50 | // Class Description - End |
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| 51 | |
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| 52 | |
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| 53 | #ifndef G4HadronElastic_h |
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| 54 | #define G4HadronElastic_h 1 |
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| 55 | |
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| 56 | #include "globals.hh" |
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| 57 | #include "G4HadronicInteraction.hh" |
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| 58 | #include "G4HadProjectile.hh" |
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| 59 | #include "G4Nucleus.hh" |
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| 60 | |
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| 61 | enum G4ElasticGenerator |
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| 62 | { |
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| 63 | fLElastic = 0, |
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| 64 | fHElastic, |
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| 65 | fQElastic, |
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| 66 | fSWave |
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| 67 | }; |
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| 68 | |
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| 69 | class G4ParticleDefinition; |
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| 70 | class G4VQCrossSection; |
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| 71 | class G4ElasticHadrNucleusHE; |
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| 72 | |
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| 73 | class G4HadronElastic : public G4HadronicInteraction |
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| 74 | { |
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| 75 | public: |
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| 76 | |
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| 77 | G4HadronElastic(G4ElasticHadrNucleusHE* HModel = 0); |
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| 78 | |
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| 79 | virtual ~G4HadronElastic(); |
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| 80 | |
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| 81 | G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack, |
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| 82 | G4Nucleus & targetNucleus); |
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| 83 | |
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| 84 | G4VQCrossSection* GetCS(); |
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| 85 | |
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| 86 | G4ElasticHadrNucleusHE* GetHElastic(); |
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| 87 | |
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| 88 | void SetPlabLowLimit(G4double value); |
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| 89 | |
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| 90 | void SetHEModelLowLimit(G4double value); |
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| 91 | |
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| 92 | void SetQModelLowLimit(G4double value); |
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| 93 | |
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| 94 | void SetLowestEnergyLimit(G4double value); |
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| 95 | |
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| 96 | void SetRecoilKinEnergyLimit(G4double value); |
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| 97 | |
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| 98 | G4double SampleT(G4double p, G4double m1, G4double m2, G4double A); |
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| 99 | |
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| 100 | private: |
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| 101 | |
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| 102 | G4int Rtmi(G4double* x, G4double xli, G4double xri, G4double eps, |
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| 103 | G4int iend, |
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| 104 | G4double aa, G4double bb, G4double cc, G4double dd, |
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| 105 | G4double rr); |
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| 106 | |
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| 107 | G4double Fctcos(G4double t, |
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| 108 | G4double aa, G4double bb, G4double cc, G4double dd, |
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| 109 | G4double rr); |
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| 110 | |
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[1315] | 111 | static G4VQCrossSection* pCManager; |
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| 112 | static G4VQCrossSection* nCManager; |
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[1196] | 113 | |
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[819] | 114 | G4ElasticHadrNucleusHE* hElastic; |
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| 115 | |
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| 116 | G4ParticleDefinition* theProton; |
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| 117 | G4ParticleDefinition* theNeutron; |
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| 118 | G4ParticleDefinition* theDeuteron; |
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| 119 | G4ParticleDefinition* theAlpha; |
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| 120 | const G4ParticleDefinition* thePionPlus; |
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| 121 | const G4ParticleDefinition* thePionMinus; |
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| 122 | |
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| 123 | G4double lowEnergyRecoilLimit; |
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| 124 | G4double lowEnergyLimitHE; |
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| 125 | G4double lowEnergyLimitQ; |
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| 126 | G4double lowestEnergyLimit; |
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| 127 | G4double plabLowLimit; |
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[962] | 128 | |
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[819] | 129 | }; |
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| 130 | |
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| 131 | inline void G4HadronElastic::SetRecoilKinEnergyLimit(G4double value) |
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| 132 | { |
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| 133 | lowEnergyRecoilLimit = value; |
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| 134 | } |
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| 135 | |
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| 136 | inline void G4HadronElastic::SetPlabLowLimit(G4double value) |
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| 137 | { |
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| 138 | plabLowLimit = value; |
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| 139 | } |
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| 140 | |
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| 141 | inline void G4HadronElastic::SetHEModelLowLimit(G4double value) |
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| 142 | { |
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| 143 | lowEnergyLimitHE = value; |
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| 144 | } |
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| 145 | |
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| 146 | inline void G4HadronElastic::SetQModelLowLimit(G4double value) |
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| 147 | { |
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| 148 | lowEnergyLimitQ = value; |
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| 149 | } |
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| 150 | |
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| 151 | inline void G4HadronElastic::SetLowestEnergyLimit(G4double value) |
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| 152 | { |
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| 153 | lowestEnergyLimit = value; |
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| 154 | } |
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| 155 | |
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| 156 | #endif |
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