| 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 | // $Id: G4Mars5GeV.hh,v 1.5 2006/06/29 20:43:22 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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| 29 | // |
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| 30 | // |
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| 31 | // ------------------------------------------------------------ |
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| 32 | // GEANT 4 class header file |
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| 33 | // |
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| 34 | // |
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| 35 | // ------------------------------------------------------------ |
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| 36 | // First Implemention 17 Nov. 1998 M.Asai, H.Kurahige |
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| 37 | // |
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| 38 | // History: |
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| 39 | // modified as hadronic model 28 Oct 2001 N.Kanaya |
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| 40 | // remodified by T. Koi 18 Nov 2004 |
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| 41 | // ------------------------------------------------------------ |
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| 42 | // Class Description |
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| 43 | // This is a Event Biasing mechanism based on MARS code |
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| 44 | // This model is applicable to |
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| 45 | // proton/neutron/pi+-/K+-/gamma/anti_proton |
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| 46 | // with energy < 5.0GeV |
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| 47 | //* |
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| 48 | // Original code is MARS13 written by Nikolai Mokhov (FNAL) |
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| 49 | //************************************************************** |
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| 50 | //* MARS13: 9. hA EVENT GENERATOR: |
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| 51 | //* Copyright Nikolai Mokhov (Fermilab) |
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| 52 | //* |
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| 53 | //* LAST CHANGE: 14-NOV-1998 |
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| 54 | //************************************************************** |
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| 55 | //* Copyright Nikolai Mokhov (Fermilab) |
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| 56 | //* |
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| 57 | //* MARS13(98) |
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| 58 | //* |
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| 59 | //* INCLUSIVE HADRON(photon)-NUCLEUS VERTEX AT E < 5 GEV !!! |
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| 60 | //* THREE WEIGHTED HADRONS IN FINAL STATE: !!! |
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| 61 | //* IP+A -> N/P(CASC)+ PI+/PI-(K+/K-) + PI0 |
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| 62 | // |
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| 63 | |
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| 64 | #ifndef G4Mars5GeV_h |
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| 65 | #define G4Mars5GeV_h 1 |
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| 66 | #include "G4Element.hh" |
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| 67 | #include "G4ElementVector.hh" |
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| 68 | #include "G4ElementTable.hh" |
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| 69 | #include "G4PhysicsTable.hh" |
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| 70 | #include "G4PhysicsVector.hh" |
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| 71 | #include "G4LPhysicsFreeVector.hh" |
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| 72 | #include "G4LightMedia.hh" |
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| 73 | #include "G4Step.hh" |
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| 74 | #include "G4TrackStatus.hh" |
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| 75 | #include "G4InelasticInteraction.hh" |
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| 76 | #include "G4ParticleTable.hh" |
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| 77 | #include "G4ParticleDefinition.hh" |
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| 78 | |
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| 79 | class G4Mars5GeV : public G4InelasticInteraction |
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| 80 | { |
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| 81 | public: // with description |
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| 82 | // constructors |
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| 83 | G4Mars5GeV(); |
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| 84 | |
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| 85 | //destructor |
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| 86 | ~G4Mars5GeV() { ; }; |
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| 87 | |
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| 88 | // virtual methods derived from G4VEvtBiasMechanism |
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| 89 | G4HadFinalState* ApplyYourself( const G4HadProjectile &aTrack, |
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| 90 | G4Nucleus &targetNucleus ); |
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| 91 | |
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| 92 | private: |
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| 93 | void Treem5(); |
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| 94 | // This is the mothod which invoke MARS |
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| 95 | // secondary information will be filled up |
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| 96 | |
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| 97 | G4bool CoulombBarrier(G4int pType, G4double pE); |
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| 98 | // Check if coulomb barrier exists |
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| 99 | |
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| 100 | void CreateNucleon(G4int ib, G4int pType, G4double pE); |
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| 101 | void CreatePion(G4int ib, G4int pType, G4double pE); |
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| 102 | void CreatePionZero(G4int ib, G4int pType, G4double pE); |
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| 103 | // Create secondary particles and add them into the list |
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| 104 | |
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| 105 | //void AddSecondary(); |
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| 106 | void AddSecondaryToMarsList(); |
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| 107 | // Add a secondary particle into the list |
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| 108 | |
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| 109 | G4double SelBS(G4int pType, G4double aNucl, G4double zNucl); |
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| 110 | // Calculate weight of secondary |
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| 111 | |
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| 112 | G4double D2N2(G4int pType, G4double incidentE, |
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| 113 | G4double prodE, G4double tin, |
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| 114 | G4int reacType, G4int proType, |
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| 115 | G4double ai, G4double z); |
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| 116 | // Calculate Hadron Inclusive Yield |
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| 117 | |
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| 118 | G4double Rkaon(G4int ib, G4int jp, G4double eRaw); |
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| 119 | // Calculate energy dependent K/pi ratio |
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| 120 | |
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| 121 | void Trans(G4ThreeVector* d1, G4ThreeVector* d2); |
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| 122 | // Direction cosine transformation using selec2(cs,ss,ch,sh) |
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| 123 | |
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| 124 | G4double GetMaxWeight() const; |
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| 125 | G4double GetMinWeight() const; |
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| 126 | void SetMaxWeight(G4double); |
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| 127 | void SetMinWeight(G4double); |
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| 128 | |
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| 129 | public: |
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| 130 | enum {FastVectorSize = 16}; |
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| 131 | typedef G4FastVector<G4DynamicParticle ,FastVectorSize> G4MarsSecondaryVector; |
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| 132 | |
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| 133 | private: |
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| 134 | // weight max/min |
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| 135 | G4double maxWeight; |
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| 136 | G4double minWeight; |
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| 137 | |
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| 138 | // information of secondary |
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| 139 | G4int numberOfSecondaries; |
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| 140 | G4double weightOfSecondaries[FastVectorSize]; |
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| 141 | G4MarsSecondaryVector secondaries; |
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| 142 | |
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| 143 | private: |
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| 144 | G4bool IsApplicable(const G4HadProjectile& , G4Nucleus& ) { return true; }; |
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| 145 | G4bool IsApplicable(G4int marsEncoding) const; |
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| 146 | |
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| 147 | private: |
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| 148 | // Particle Change |
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| 149 | |
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| 150 | // Particle Table |
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| 151 | G4ParticleTable* theParticleTable; |
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| 152 | |
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| 153 | // particle encoding for MARS |
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| 154 | enum { MarsUndefined =0, |
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| 155 | MarsP, MarsN, MarsPIplus, MarsPIminus, MarsKplus, MarsKminus, |
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| 156 | MarsMUplus, MarsMUminus, MarsGAM, MarsEminus, MarsEplus, MarsAP, |
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| 157 | MarsPI0, MarsD, MarsT, MarsHe3, MarsHe4 }; |
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| 158 | |
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| 159 | G4int GetMarsEncoding(const G4ParticleDefinition* )const; |
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| 160 | const G4String& GetParticleName(G4int marsEncoding) const; |
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| 161 | G4ParticleDefinition* GetParticleDefinition(G4int marsEncoding) const; |
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| 162 | G4double ProtonMass; |
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| 163 | |
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| 164 | private: |
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| 165 | // incident information |
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| 166 | G4double incidentWeight; |
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| 167 | const G4HadProjectile* incidentParticle; |
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| 168 | G4int incidentMarsEncoding; |
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| 169 | |
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| 170 | void GetTargetNuclei(const G4Material*); //fill up fANucle and fZnucl |
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| 171 | G4double fANucl, fZNucl; // target nucleus |
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| 172 | |
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| 173 | private: |
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| 174 | // these class is to define common blocks in original code |
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| 175 | |
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| 176 | class Selec1 |
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| 177 | { |
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| 178 | public: |
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| 179 | G4double Einc, EN, V, V10; |
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| 180 | G4int Treac, Tprod; |
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| 181 | } selec1; |
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| 182 | class Selec2 |
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| 183 | { |
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| 184 | public: |
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| 185 | G4double Cs, Ss, Ch, Sh; |
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| 186 | } selec2; |
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| 187 | class Selec3 |
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| 188 | { |
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| 189 | public: |
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| 190 | G4double Eth, Emax, Sqs, X, Pt2, Pt, P; |
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| 191 | } selec3; |
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| 192 | }; |
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| 193 | |
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| 194 | #include "G4ParticleDefinition.hh" |
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| 195 | inline |
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| 196 | G4double G4Mars5GeV::GetMaxWeight() const |
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| 197 | { |
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| 198 | return maxWeight; |
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| 199 | } |
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| 200 | inline |
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| 201 | G4double G4Mars5GeV::GetMinWeight() const |
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| 202 | { |
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| 203 | return minWeight; |
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| 204 | } |
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| 205 | |
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| 206 | inline |
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| 207 | void G4Mars5GeV::SetMaxWeight(G4double value) |
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| 208 | { |
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| 209 | maxWeight = value; |
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| 210 | } |
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| 211 | inline |
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| 212 | void G4Mars5GeV::SetMinWeight(G4double value) |
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| 213 | { |
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| 214 | minWeight = value; |
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| 215 | } |
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| 216 | |
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| 217 | inline |
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| 218 | G4int G4Mars5GeV::GetMarsEncoding(const G4ParticleDefinition* particle) const{ |
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| 219 | const G4String& name = particle->GetParticleName(); |
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| 220 | G4int encoding = MarsUndefined; |
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| 221 | if (name == "proton") { |
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| 222 | encoding = MarsP; |
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| 223 | } else if (name == "neutron") { |
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| 224 | encoding = MarsN; |
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| 225 | } else if (name == "pi+") { |
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| 226 | encoding = MarsPIplus; |
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| 227 | } else if (name == "pi-") { |
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| 228 | encoding = MarsPIminus; |
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| 229 | } else if (name == "kaon+") { |
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| 230 | encoding = MarsKplus; |
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| 231 | } else if (name == "kaon-") { |
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| 232 | encoding = MarsKminus; |
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| 233 | } else if (name == "mu+") { |
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| 234 | encoding = MarsMUplus; |
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| 235 | } else if (name == "mu-") { |
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| 236 | encoding = MarsMUminus; |
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| 237 | } else if (name == "gamma") { |
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| 238 | encoding = MarsGAM; |
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| 239 | } else if (name == "e+") { |
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| 240 | encoding = MarsEplus; |
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| 241 | } else if (name == "e-") { |
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| 242 | encoding = MarsEminus; |
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| 243 | } else if (name == "anti_proton") { |
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| 244 | encoding = MarsAP; |
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| 245 | } else if (name == "pi0") { |
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| 246 | encoding = MarsPI0; |
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| 247 | } else if (name == "deuteron") { |
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| 248 | encoding = MarsD; |
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| 249 | } else if (name == "triton") { |
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| 250 | encoding = MarsT; |
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| 251 | } else if (name == "He3") { |
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| 252 | encoding = MarsHe3; |
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| 253 | } else if (name == "alpha") { |
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| 254 | encoding = MarsHe4; |
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| 255 | } |
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| 256 | return encoding; |
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| 257 | } |
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| 258 | |
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| 259 | inline |
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| 260 | const G4String& G4Mars5GeV::GetParticleName(G4int encoding) const |
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| 261 | { |
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| 262 | static G4String name; |
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| 263 | name = "None"; |
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| 264 | switch (encoding) |
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| 265 | { |
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| 266 | case MarsP: |
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| 267 | name = "proton"; |
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| 268 | break; |
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| 269 | case MarsN: |
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| 270 | name = "neutron"; |
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| 271 | break; |
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| 272 | case MarsPIplus: |
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| 273 | name = "pi+"; |
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| 274 | break; |
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| 275 | case MarsPIminus: |
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| 276 | name = "pi-"; |
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| 277 | break; |
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| 278 | case MarsKplus: |
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| 279 | name = "kaon+"; |
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| 280 | break; |
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| 281 | case MarsKminus: |
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| 282 | name = "kaon-"; |
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| 283 | break; |
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| 284 | case MarsMUplus: |
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| 285 | name = "mu+"; |
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| 286 | break; |
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| 287 | case MarsMUminus: |
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| 288 | name = "mu-"; |
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| 289 | break; |
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| 290 | case MarsGAM: |
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| 291 | name = "gamma"; |
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| 292 | break; |
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| 293 | case MarsEplus: |
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| 294 | name = "e+"; |
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| 295 | break; |
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| 296 | case MarsEminus: |
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| 297 | name = "e-"; |
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| 298 | break; |
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| 299 | case MarsAP: |
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| 300 | name = "anti_proton"; |
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| 301 | break; |
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| 302 | case MarsPI0: |
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| 303 | name = "pi0"; |
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| 304 | break; |
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| 305 | case MarsD: |
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| 306 | name = "deuteron"; |
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| 307 | break; |
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| 308 | case MarsT: |
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| 309 | name = "triton"; |
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| 310 | break; |
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| 311 | case MarsHe3: |
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| 312 | name = "He3"; |
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| 313 | break; |
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| 314 | case MarsHe4: |
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| 315 | name = "alpha"; |
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| 316 | break; |
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| 317 | default: |
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| 318 | break; |
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| 319 | } |
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| 320 | return name; |
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| 321 | } |
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| 322 | |
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| 323 | inline |
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| 324 | G4ParticleDefinition* G4Mars5GeV::GetParticleDefinition(G4int encoding) const |
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| 325 | { |
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| 326 | G4String name = GetParticleName(encoding); |
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| 327 | G4ParticleDefinition* particle = 0; |
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| 328 | if (name != "None") { |
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| 329 | particle = theParticleTable->FindParticle(name); |
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| 330 | } |
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| 331 | return particle; |
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| 332 | } |
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| 333 | |
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| 334 | inline |
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| 335 | G4bool G4Mars5GeV::IsApplicable(G4int marsEncoding) const |
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| 336 | { |
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| 337 | return ( ((marsEncoding!=MarsUndefined) && (marsEncoding<=MarsKminus) )|| |
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| 338 | (marsEncoding==MarsGAM) || |
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| 339 | (marsEncoding==MarsAP) ); |
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| 340 | } |
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| 341 | |
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| 342 | #endif |
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