| 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: G4NeutronHPDeExGammas.hh,v 1.13 2007/06/06 12:45:13 ahoward Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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| 29 | // |
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| 30 | #ifndef G4NeutronHPDeExGammas_h |
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| 31 | #define G4NeutronHPDeExGammas_h 1 |
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| 32 | |
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| 33 | #include "globals.hh" |
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| 34 | #include "G4ios.hh" |
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| 35 | #include <fstream> |
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| 36 | #include "G4ReactionProductVector.hh" |
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| 37 | #include "G4Gamma.hh" |
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| 38 | #include "G4NeutronHPLevel.hh" |
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| 39 | #include "G4NeutronHPGamma.hh" |
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| 40 | #include "G4ReactionProduct.hh" |
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| 41 | |
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| 42 | class G4NeutronHPDeExGammas |
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| 43 | { |
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| 44 | public: |
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| 45 | |
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| 46 | G4NeutronHPDeExGammas() |
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| 47 | { |
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| 48 | levelStart = 0; |
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| 49 | levelSize = 0; |
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| 50 | nLevels = 0; |
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| 51 | theLevels = 0; |
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| 52 | } |
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| 53 | ~G4NeutronHPDeExGammas() |
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| 54 | { |
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| 55 | if(levelStart!=0) delete [] levelStart; |
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| 56 | if(levelSize!=0) delete [] levelSize; |
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| 57 | if(theLevels!=0) delete [] theLevels; |
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| 58 | } |
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| 59 | |
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| 60 | void Init(std::ifstream & aDataFile); |
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| 61 | |
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| 62 | inline G4ReactionProductVector * GetDecayGammas(G4int aLevel) |
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| 63 | { |
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| 64 | if(aLevel>nLevels-1 || aLevel<0) return 0; |
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| 65 | if(nLevels==0) return new G4ReactionProductVector(); |
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| 66 | G4ReactionProductVector * result = new G4ReactionProductVector; |
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| 67 | G4DynamicParticleVector * theResult; |
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| 68 | |
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| 69 | theResult = theLevels[aLevel]. GetDecayGammas(); |
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| 70 | G4ReactionProduct * theCurrent; |
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| 71 | unsigned int i; |
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| 72 | for(i=0; i<theResult->size(); i++) |
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| 73 | { |
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| 74 | theCurrent = new G4ReactionProduct; |
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| 75 | *theCurrent = *(theResult->operator[](i)); |
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| 76 | delete theResult->operator[](i); |
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| 77 | G4double costheta = 2.*G4UniformRand()-1; |
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| 78 | G4double theta = std::acos(costheta); |
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| 79 | G4double phi = twopi*G4UniformRand(); |
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| 80 | G4double sinth = std::sin(theta); |
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| 81 | G4double en = theCurrent->GetTotalMomentum(); |
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| 82 | G4ThreeVector temp(en*sinth*std::cos(phi), en*sinth*std::sin(phi), en*costheta ); |
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| 83 | theCurrent->SetMomentum( temp ) ; |
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| 84 | result->push_back(theCurrent); |
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| 85 | } |
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| 86 | delete theResult; |
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| 87 | return result; |
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| 88 | } |
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| 89 | |
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| 90 | inline G4NeutronHPLevel * GetLevel(G4int i) |
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| 91 | { |
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| 92 | if(i>nLevels-1) return 0; |
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| 93 | return theLevels+i; |
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| 94 | } |
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| 95 | |
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| 96 | inline G4int GetNumberOfLevels() { return nLevels; } |
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| 97 | |
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| 98 | inline G4double GetLevelEnergy(G4int aLevel) |
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| 99 | { |
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| 100 | if(aLevel>nLevels-1 || aLevel<0) return 0; |
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| 101 | G4double result = theLevels[aLevel].GetLevelEnergy(); |
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| 102 | return result; |
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| 103 | } |
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| 104 | private: |
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| 105 | |
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| 106 | G4int * levelStart; |
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| 107 | G4int * levelSize; |
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| 108 | G4int nLevels; |
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| 109 | G4NeutronHPLevel * theLevels; |
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| 110 | }; |
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| 111 | |
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| 112 | #endif |
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