| 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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| 27 | // GEANT4 tag $Name: hadr-cross-V09-03-12 $
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| 28 | //
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| 29 | //
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| 30 | // GEANT4 Hadron physics class -- header file
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| 31 | // F.W. Jones, TRIUMF, 03-DEC-96
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| 32 | //
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| 33 | // This class encapsulates cross section data and interpolations
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| 34 | // from the Geant3/Gheisha routine GHESIG.
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| 35 | // For further comments see G4HadronCrossSections.cc.
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| 36 | //
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| 37 | // Note: this is implemented as a SINGLETON class
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| 38 | //
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| 39 | // 27-MAR-97 FWJ: first version for Alpha release
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| 40 | // 14-APR-97 FWJ: class name changed from G4LCrossSectionData
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| 41 | // to G4HadronicCrossSections
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| 42 | // 14-APR-98 FWJ: rewritten as class G4HadronCrossSections
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| 43 | // and adapted to G4CrossSectionDataSet/DataStore class design.
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| 44 | // 26-JUN-98 FWJ: added elastic/inelastic caching to improve performance.
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| 45 | // 06-NOV-98 FWJ: added first-order correction for low-energy
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| 46 | // inelastic cross sections
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| 47 | //
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| 48 |
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| 49 |
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| 50 | #ifndef G4HadronCrossSections_h
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| 51 | #define G4HadronCrossSections_h 1
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| 52 |
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| 53 | #include "globals.hh"
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| 54 | #include "G4Element.hh"
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| 55 | #include "G4VProcess.hh"
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| 56 | #include "G4DynamicParticle.hh"
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| 57 | #include "G4HadTmpUtil.hh"
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| 58 | #include "G4PionPlus.hh"
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| 59 | #include "G4PionZero.hh"
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| 60 | #include "G4PionMinus.hh"
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| 61 | #include "G4KaonPlus.hh"
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| 62 | #include "G4KaonZeroShort.hh"
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| 63 | #include "G4KaonZeroLong.hh"
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| 64 | #include "G4KaonMinus.hh"
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| 65 | #include "G4Proton.hh"
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| 66 | #include "G4AntiProton.hh"
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| 67 | #include "G4Neutron.hh"
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| 68 | #include "G4Deuteron.hh"
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| 69 | #include "G4Triton.hh"
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| 70 | #include "G4Alpha.hh"
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| 71 | #include "G4AntiNeutron.hh"
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| 72 | #include "G4Lambda.hh"
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| 73 | #include "G4AntiLambda.hh"
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| 74 | #include "G4SigmaPlus.hh"
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| 75 | #include "G4SigmaZero.hh"
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| 76 | #include "G4SigmaMinus.hh"
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| 77 | #include "G4AntiSigmaPlus.hh"
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| 78 | #include "G4AntiSigmaZero.hh"
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| 79 | #include "G4AntiSigmaMinus.hh"
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| 80 | #include "G4XiZero.hh"
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| 81 | #include "G4XiMinus.hh"
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| 82 | #include "G4AntiXiZero.hh"
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| 83 | #include "G4AntiXiMinus.hh"
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| 84 | #include "G4OmegaMinus.hh"
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| 85 | #include "G4AntiOmegaMinus.hh"
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| 86 |
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| 87 |
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| 88 | enum { TSIZE=41, NPARTS=35, NELAB=17, NCNLW=15, NFISS=21 };
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| 89 |
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| 90 | class G4HadronCrossSections
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| 91 | {
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| 92 | public:
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| 93 |
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| 94 | G4HadronCrossSections()
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| 95 | : prevParticleDefinition(0), lastEkx(0.), lastEkxPower(0.), verboseLevel(0)
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| 96 | {}
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| 97 |
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| 98 | ~G4HadronCrossSections()
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| 99 | {}
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| 100 |
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| 101 | static G4HadronCrossSections* Instance()
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| 102 | {
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| 103 | if (!theInstance) theInstance = new G4HadronCrossSections();
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| 104 | return theInstance;
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| 105 | }
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| 106 |
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| 107 | G4bool IsApplicable(const G4DynamicParticle* aParticle,
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| 108 | const G4Element* )
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| 109 | {
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| 110 | return (GetParticleCode(aParticle) > 0);
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| 111 | }
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| 112 |
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| 113 | G4bool IsApplicable(const G4DynamicParticle* aParticle,
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| 114 | G4double /*ZZ*/, G4double /*AA*/)
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| 115 | {
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| 116 | return (GetParticleCode(aParticle) > 0);
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| 117 | }
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| 118 |
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| 119 | G4double GetElasticCrossSection(const G4DynamicParticle*, const G4Element*);
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| 120 |
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| 121 | G4double GetElasticCrossSection(const G4DynamicParticle*,
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| 122 | G4int /*ZZ*/, G4int /*AA*/);
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| 123 |
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| 124 | G4double GetInelasticCrossSection(const G4DynamicParticle*,
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| 125 | const G4Element*);
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| 126 |
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| 127 | G4double GetInelasticCrossSection(const G4DynamicParticle*,
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| 128 | G4int /*ZZ*/, G4int /*AA*/);
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| 129 |
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| 130 | G4double GetCaptureCrossSection(const G4DynamicParticle* aParticle,
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| 131 | const G4Element* anElement)
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| 132 | {
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| 133 | G4int Z = G4lrint(anElement->GetZ());
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| 134 | G4int A = G4lrint(anElement->GetN());
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| 135 | return GetCaptureCrossSection(aParticle, Z, A);
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| 136 | }
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| 137 |
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| 138 | G4double GetCaptureCrossSection(const G4DynamicParticle*,
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| 139 | G4int /*ZZ*/, G4int /*AA*/);
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| 140 |
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| 141 | G4double GetFissionCrossSection(const G4DynamicParticle* aParticle,
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| 142 | const G4Element* anElement)
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| 143 | {
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| 144 | G4int Z = G4lrint(anElement->GetZ());
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| 145 | G4int A = G4lrint(anElement->GetN());
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| 146 | return GetFissionCrossSection(aParticle, Z, A);
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| 147 | }
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| 148 |
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| 149 | G4double GetFissionCrossSection(const G4DynamicParticle*,
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| 150 | G4int /*ZZ*/, G4int /*AA*/);
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| 151 |
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| 152 |
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| 153 | static void SetCorrectInelasticNearZero(G4bool value)
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| 154 | {
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| 155 | correctInelasticNearZero = value;
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| 156 | }
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| 157 |
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| 158 | static G4bool GetCorrectInelasticNearZero()
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| 159 | {
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| 160 | return correctInelasticNearZero;
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| 161 | }
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| 162 |
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| 163 | void SetVerboseLevel(G4int value)
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| 164 | {
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| 165 | verboseLevel = value;
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| 166 | }
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| 167 |
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| 168 | G4int GetVerboseLevel()
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| 169 | {
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| 170 | return verboseLevel;
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| 171 | }
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| 172 |
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| 173 | private:
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| 174 |
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| 175 | G4int GetParticleCode(const G4DynamicParticle*);
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| 176 |
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| 177 | void CalcScatteringCrossSections(const G4DynamicParticle*,
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| 178 | G4int /*ZZ*/, G4int /*AA*/);
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| 179 |
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| 180 | static G4HadronCrossSections* theInstance;
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| 181 |
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| 182 | G4double sigelastic, siginelastic;
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| 183 | G4ParticleDefinition* prevParticleDefinition;
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| 184 | G4Element* prevElement;
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| 185 | G4double prevKineticEnergy;
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| 186 | G4double lastEkx, lastEkxPower;
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| 187 |
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| 188 | static G4bool correctInelasticNearZero;
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| 189 |
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| 190 | G4int verboseLevel;
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| 191 |
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| 192 | // The following arrays are declared static to allow the use of initializers.
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| 193 | // They are initialized in G4HadronCrossSections.cc, thus providing some
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| 194 | // data hiding.
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| 195 |
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| 196 | static G4float plab[TSIZE];
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| 197 | static G4float csel[NPARTS][TSIZE];
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| 198 | static G4float csin[NPARTS][TSIZE];
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| 199 |
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| 200 | static G4float cspiel[3][TSIZE];
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| 201 | static G4float cspiin[3][TSIZE];
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| 202 |
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| 203 | static G4float cspnel[3][TSIZE];
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| 204 | static G4float cspnin[3][TSIZE];
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| 205 |
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| 206 | static G4float elab[NELAB];
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| 207 | static G4float cnlwat[NCNLW], cnlwel[NCNLW][NELAB], cnlwin[NCNLW][NELAB];
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| 208 |
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| 209 | static G4float cscap[100];
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| 210 |
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| 211 | static G4float ekfiss[NFISS], csfiss[4][NFISS];
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| 212 |
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| 213 | static G4float alpha[NPARTS], alphac[TSIZE];
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| 214 |
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| 215 | static G4float partel[35], partin[35];
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| 216 | static G4int icorr[35], intrc[35];
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| 217 |
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| 218 | static G4float csa[4];
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| 219 | static G4int ipart2[7];
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| 220 | };
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| 221 | #endif
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