[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 | // File name: G4StopTheoDeexcitation |
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| 27 | // |
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| 28 | // Author: Maria Grazia Pia (pia@genova.infn.it) |
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| 29 | // |
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| 30 | // Creation date: 8 May 1998 |
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| 31 | // |
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| 32 | // Modifications: |
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| 33 | // MGP 4 July 1998 Modified parameters to force evaporation |
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| 34 | // |
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| 35 | // ------------------------------------------------------------------- |
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| 36 | |
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| 37 | #include "G4ios.hh" |
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| 38 | |
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| 39 | #include "G4StopTheoDeexcitation.hh" |
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| 40 | |
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| 41 | #include "globals.hh" |
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| 42 | #include "G4ThreeVector.hh" |
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| 43 | #include "G4LorentzVector.hh" |
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[962] | 44 | #include "G4NucleiProperties.hh" |
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[819] | 45 | #include "G4Fragment.hh" |
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| 46 | #include "G4ExcitationHandler.hh" |
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| 47 | #include "G4DynamicParticleVector.hh" |
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| 48 | |
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| 49 | // Constructor |
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| 50 | |
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| 51 | G4StopTheoDeexcitation::G4StopTheoDeexcitation() |
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| 52 | {} |
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| 53 | |
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| 54 | // Destructor |
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| 55 | |
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| 56 | G4StopTheoDeexcitation::~G4StopTheoDeexcitation() |
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| 57 | {} |
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| 58 | |
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| 59 | G4ReactionProductVector* G4StopTheoDeexcitation::BreakUp(G4double A, G4double Z, |
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| 60 | G4double excitation, |
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| 61 | const G4ThreeVector& p) |
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| 62 | { |
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| 63 | |
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| 64 | G4ExcitationHandler theHandler; |
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| 65 | |
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| 66 | // MF and FB parameters modified by MGP to force evaporation |
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| 67 | // Max A and Z values for use Fermi Breakup |
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| 68 | // theHandler.SetMaxAandZForFermiBreakUp(16, 10); |
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| 69 | // theHandler.SetMaxAandZForFermiBreakUp(2, 1); |
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| 70 | // Min excitation energy (per nucleon) for use MultiFrag |
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[962] | 71 | |
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[819] | 72 | theHandler.SetMinEForMultiFrag(300*GeV); |
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| 73 | |
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| 74 | // Deexcite the nucleus |
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| 75 | |
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[962] | 76 | G4double atomicMass = G4NucleiProperties::GetNuclearMass(static_cast<G4int>(A),static_cast<G4int>(Z)); |
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[819] | 77 | G4double m = atomicMass + excitation; |
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| 78 | G4double pMag = p.mag(); |
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| 79 | G4LorentzVector initialMomentum(p.x(),p.y(),p.z(),std::sqrt(pMag*pMag + m*m)); |
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| 80 | G4Fragment theExcitedNucleus(static_cast<G4int>(A),static_cast<G4int>(Z),initialMomentum); |
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| 81 | |
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| 82 | return theHandler.BreakItUp(theExcitedNucleus); |
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| 83 | } |
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| 84 | |
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| 85 | |
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