[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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| 27 | // ------------------------------------------------------------------- |
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| 28 | // GEANT 4 class file |
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| 29 | // |
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| 30 | // CERN, Geneva, Switzerland |
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| 31 | // |
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| 32 | // File name: G4ContinuumGammaDeexcitation |
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| 33 | // |
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| 34 | // Authors: Carlo Dallapiccola (dallapiccola@umdhep.umd.edu) |
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| 35 | // Maria Grazia Pia (pia@genova.infn.it) |
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| 36 | // |
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| 37 | // Creation date: 23 October 1998 |
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| 38 | // |
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| 39 | // Modifications: |
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| 40 | // |
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| 41 | // 02 May 2003, Vladimir Ivanchenko change interface to G4NuclearlevelManager |
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| 42 | // |
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| 43 | // ------------------------------------------------------------------- |
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| 44 | // |
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| 45 | // Class G4ContinuumGammaDeexcitation.cc |
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| 46 | // |
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| 47 | // Concrete class derived from G4VGammaDeexcitation |
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| 48 | // |
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| 49 | // |
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| 50 | #include "G4ContinuumGammaDeexcitation.hh" |
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| 51 | |
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| 52 | #include "G4Gamma.hh" |
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| 53 | #include "G4ContinuumGammaTransition.hh" |
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| 54 | #include "G4NuclearLevelManager.hh" |
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| 55 | #include "G4NuclearLevelStore.hh" |
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| 56 | #include "G4Fragment.hh" |
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| 57 | #include "G4ConstantLevelDensityParameter.hh" |
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| 58 | |
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| 59 | // |
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| 60 | // Constructor |
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| 61 | // |
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| 62 | |
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| 63 | G4ContinuumGammaDeexcitation::G4ContinuumGammaDeexcitation(): _nucleusZ(0), _nucleusA(0), _levelManager(0) |
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| 64 | { } |
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| 65 | |
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| 66 | |
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| 67 | G4ContinuumGammaDeexcitation::~G4ContinuumGammaDeexcitation() |
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| 68 | { } |
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| 69 | |
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| 70 | |
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| 71 | G4VGammaTransition* G4ContinuumGammaDeexcitation::CreateTransition() |
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| 72 | { |
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| 73 | G4Fragment nucleus = GetNucleus(); |
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| 74 | G4int Z = static_cast<G4int>(nucleus.GetZ()); |
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| 75 | G4int A = static_cast<G4int>(nucleus.GetA()); |
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| 76 | G4double excitation = nucleus.GetExcitationEnergy(); |
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| 77 | |
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| 78 | if (_nucleusA != A || _nucleusZ != Z) |
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| 79 | { |
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| 80 | _levelManager = G4NuclearLevelStore::GetInstance()->GetManager(Z,A); |
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| 81 | _nucleusA = A; |
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| 82 | _nucleusZ = Z; |
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| 83 | } |
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| 84 | |
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| 85 | if (_verbose > 1) |
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| 86 | G4cout << "G4ContinuumGammaDeexcitation::CreateTransition - Created" << G4endl; |
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| 87 | |
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| 88 | G4VGammaTransition* gt = new G4ContinuumGammaTransition(_levelManager,Z,A,excitation,_verbose ); |
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| 89 | |
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| 90 | return gt; |
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| 91 | } |
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| 92 | |
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| 93 | |
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| 94 | G4bool G4ContinuumGammaDeexcitation::CanDoTransition() const |
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| 95 | { |
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| 96 | G4bool canDo = true; |
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| 97 | |
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| 98 | if (_transition == 0) |
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| 99 | { |
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| 100 | canDo = false; |
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| 101 | |
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| 102 | if (_verbose > 0) |
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| 103 | G4cout |
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| 104 | << "G4ContinuumGammaDeexcitation::CanDoTransition - Null transition " |
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| 105 | << G4endl; |
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| 106 | } |
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| 107 | |
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| 108 | G4Fragment nucleus = GetNucleus(); |
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| 109 | G4double excitation = nucleus.GetExcitationEnergy(); |
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| 110 | |
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| 111 | G4double A = nucleus.GetA(); |
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| 112 | G4double Z = nucleus.GetZ(); |
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| 113 | if (A <2 || Z<3) |
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| 114 | { |
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| 115 | canDo = false; |
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| 116 | if (_verbose > 0) |
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| 117 | G4cout |
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| 118 | << "G4ContinuumGammaDeexcitation::CanDoTransition - n/p/H" |
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| 119 | << G4endl; |
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| 120 | } |
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| 121 | |
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| 122 | |
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| 123 | |
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| 124 | if (excitation <= 0.) |
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| 125 | { |
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| 126 | canDo = false; |
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| 127 | if (_verbose > 0) |
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| 128 | G4cout |
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| 129 | << "G4ContinuumGammaDeexcitation::CanDoTransition - Excitation <= 0" |
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| 130 | << G4endl; |
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| 131 | } |
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| 132 | G4double tolerance = 10*eV; |
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| 133 | if (excitation <= (_levelManager->MaxLevelEnergy()+ tolerance)) |
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| 134 | { |
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| 135 | canDo = false; |
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| 136 | if (_verbose > 0) |
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| 137 | G4cout << "G4ContinuumGammaDeexcitation::CanDoTransition - Excitation " |
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| 138 | << excitation << " below max discrete level " |
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| 139 | << _levelManager->MaxLevelEnergy() << G4endl; |
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| 140 | } |
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| 141 | |
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| 142 | if (canDo) |
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| 143 | { if (_verbose > 1) |
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| 144 | G4cout <<"G4ContinuumGammaDeexcitation::CanDoTransition - CanDo" |
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| 145 | << G4endl; |
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| 146 | } |
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| 147 | |
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| 148 | return canDo; |
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| 149 | |
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| 150 | } |
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| 151 | |
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| 152 | |
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| 153 | |
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