[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 | // by V. Lara |
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| 27 | |
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| 28 | #ifndef G4HETCAlpha_h |
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| 29 | #define G4HETCAlpha_h 1 |
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| 30 | |
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| 31 | #include "G4HETCChargedFragment.hh" |
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| 32 | #include "G4ReactionProduct.hh" |
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| 33 | #include "G4Alpha.hh" |
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| 34 | |
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| 35 | #include "G4AlphaCoulombBarrier.hh" |
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| 36 | |
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| 37 | |
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| 38 | class G4HETCAlpha : public G4HETCChargedFragment |
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| 39 | { |
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| 40 | public: |
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| 41 | // default constructor |
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| 42 | G4HETCAlpha():G4HETCChargedFragment(4,2,&theAlphaCoulombBarrier,"Alpha") {} |
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| 43 | |
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| 44 | // copy constructor |
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| 45 | G4HETCAlpha(const G4HETCAlpha &right): G4HETCChargedFragment(right) {} |
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| 46 | |
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| 47 | // destructor |
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| 48 | ~G4HETCAlpha() {} |
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| 49 | |
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| 50 | // operators |
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| 51 | const G4HETCAlpha & operator=(const G4HETCAlpha &right) |
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| 52 | { |
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| 53 | if (&right != this) this->G4HETCChargedFragment::operator=(right); |
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| 54 | return *this; |
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| 55 | }; |
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| 56 | |
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| 57 | G4bool operator==(const G4HETCAlpha &right) const |
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| 58 | { |
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| 59 | return G4HETCChargedFragment::operator==(right); |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | G4bool operator!=(const G4HETCAlpha &right) const |
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| 64 | { |
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| 65 | return G4HETCChargedFragment::operator!=(right); |
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| 66 | } |
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| 67 | |
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| 68 | |
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| 69 | G4ReactionProduct * GetReactionProduct() const |
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| 70 | { |
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| 71 | G4ReactionProduct * theReactionProduct = |
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| 72 | new G4ReactionProduct(G4Alpha::AlphaDefinition()); |
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| 73 | theReactionProduct->SetMomentum(GetMomentum().vect()); |
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| 74 | theReactionProduct->SetTotalEnergy(GetMomentum().e()); |
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| 75 | #ifdef PRECOMPOUND_TEST |
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| 76 | theReactionProduct->SetCreatorModel("G4PrecompoundModel"); |
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| 77 | #endif |
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| 78 | return theReactionProduct; |
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| 79 | } |
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| 80 | |
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| 81 | private: |
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| 82 | virtual G4double GetAlpha() |
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| 83 | { |
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| 84 | G4double C = 0.0; |
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| 85 | G4double aZ = GetZ() + GetRestZ(); |
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| 86 | if (aZ <= 30) |
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| 87 | { |
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| 88 | C = 0.10; |
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| 89 | } |
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| 90 | else if (aZ <= 50) |
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| 91 | { |
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| 92 | C = 0.1 + -((aZ-50.)/20.)*0.02; |
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| 93 | } |
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| 94 | else if (aZ < 70) |
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| 95 | { |
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| 96 | C = 0.08 + -((aZ-70.)/20.)*0.02; |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | C = 0.06; |
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| 101 | } |
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| 102 | return 1.0+C; |
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| 103 | } |
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| 104 | |
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| 105 | virtual G4double GetBeta() |
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| 106 | { |
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| 107 | return -GetCoulombBarrier(); |
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| 108 | } |
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| 109 | |
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| 110 | |
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| 111 | virtual G4double GetSpinFactor() |
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| 112 | { |
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| 113 | return 1.0; |
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| 114 | } |
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| 115 | |
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| 116 | virtual G4double K(const G4Fragment & aFragment); |
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| 117 | |
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| 118 | |
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| 119 | private: |
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| 120 | |
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| 121 | G4AlphaCoulombBarrier theAlphaCoulombBarrier; |
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| 122 | |
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| 123 | }; |
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| 124 | |
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| 125 | #endif |
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| 126 | |
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| 127 | |
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