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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // |
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28 | // Hadronic Inelastic Process Class |
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29 | // J.L. Chuma, TRIUMF, 24-Mar-1997 |
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30 | // Last modified: 27-Mar-1997 |
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31 | // J.P. Wellisch: Bug hunting, 23-Apr-97 |
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32 | // Modified by J.L.Chuma 8-Jul-97 to eliminate possible division by zero for sigma |
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33 | // |
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34 | // 14-APR-98 F.W.Jones: variant G4HadronInelastic process for |
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35 | // G4CrossSectionDataSet/DataStore class design. |
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36 | // |
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37 | // 17-JUN-98 F.W.Jones: removed extraneous code causing core dump. |
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38 | // |
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39 | |
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40 | #include "G4HadronInelasticProcess.hh" |
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41 | #include "G4GenericIon.hh" |
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42 | #include "G4ProcessManager.hh" |
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43 | #include "G4ProcessVector.hh" |
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44 | #include "G4HadronicException.hh" |
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45 | |
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46 | void G4HadronInelasticProcess::BuildThePhysicsTable() |
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47 | { |
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48 | if (!G4HadronicProcess::GetCrossSectionDataStore()) { |
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49 | return; |
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50 | } |
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51 | G4HadronicProcess::GetCrossSectionDataStore()->BuildPhysicsTable(*theParticle); |
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52 | } |
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53 | |
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54 | G4HadronInelasticProcess::G4HadronInelasticProcess( |
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55 | const G4String &processName, |
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56 | G4ParticleDefinition *aParticle ) : |
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57 | G4HadronicProcess( processName ) |
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58 | { |
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59 | G4HadronicProcess::AddDataSet(new G4HadronInelasticDataSet); |
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60 | theParticle = aParticle; |
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61 | } |
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62 | |
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63 | G4HadronInelasticProcess::~G4HadronInelasticProcess() { } |
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64 | |
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65 | G4VParticleChange *G4HadronInelasticProcess:: |
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66 | PostStepDoIt(const G4Track &aTrack, const G4Step &aStep) |
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67 | { |
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68 | if(0==GetLastCrossSection()&&!getenv("DebugNeutronHP")) |
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69 | { |
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70 | G4cerr << "G4HadronInelasticProcess: called for final state, while cross-section was zero"<<G4endl; |
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71 | G4cerr << " Returning empty particle change...."<<G4endl; |
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72 | G4double dummy=0; |
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73 | G4ForceCondition condition; |
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74 | G4double it = GetMeanFreePath(aTrack, dummy, &condition); |
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75 | G4cerr << " current MeanFreePath is "<<it<<G4endl; |
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76 | theParticleChange.Initialize(aTrack); |
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77 | return &theParticleChange; |
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78 | } |
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79 | SetDispatch( this ); |
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80 | return G4HadronicProcess::GeneralPostStepDoIt( aTrack, aStep ); |
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81 | } |
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82 | |
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83 | G4bool G4HadronInelasticProcess:: |
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84 | IsApplicable(const G4ParticleDefinition& aP) |
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85 | { |
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86 | return theParticle == &aP || theParticle == G4GenericIon::GenericIon(); |
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87 | } |
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88 | |
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89 | G4double G4HadronInelasticProcess::GetMicroscopicCrossSection( |
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90 | const G4DynamicParticle *aParticle, |
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91 | const G4Element *anElement, |
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92 | G4double aTemp) |
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93 | { |
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94 | // returns the microscopic cross section in GEANT4 internal units |
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95 | |
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96 | if (!G4HadronicProcess::GetCrossSectionDataStore()) |
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97 | { |
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98 | throw G4HadronicException(__FILE__, __LINE__, |
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99 | "G4HadronInelasticProcess::GetMicroscopicCrossSection: " |
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100 | "no CrossSectionDataStore"); |
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101 | return DBL_MIN; |
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102 | } |
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103 | return G4HadronicProcess::GetCrossSectionDataStore()->GetCrossSection(aParticle, anElement, aTemp); |
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104 | |
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105 | } |
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106 | |
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107 | /* end of file */ |
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