| 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 | // neutron_hp -- source file |
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| 27 | // J.P. Wellisch, Nov-1996 |
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| 28 | // A prototype of the low energy neutron transport model. |
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| 29 | #include "G4NeutronHPProduct.hh" |
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| 30 | #include "G4Poisson.hh" |
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| 31 | #include "G4Proton.hh" |
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| 32 | |
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| 33 | G4ReactionProductVector * G4NeutronHPProduct::Sample(G4double anEnergy) |
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| 34 | { |
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| 35 | if(theDist == 0) { return 0; } |
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| 36 | G4ReactionProductVector * result = new G4ReactionProductVector; |
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| 37 | G4double mean = theYield.GetY(anEnergy); |
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| 38 | G4int multi; |
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| 39 | multi = G4int(mean+0.0001); |
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| 40 | if(theMassCode==0) multi = G4Poisson(mean); // @@@@gammas. please X-check this |
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| 41 | theDist->SetTarget(theTarget); |
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| 42 | theDist->SetNeutron(theNeutron); |
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| 43 | G4int i; |
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| 44 | // G4double eMax = GetTarget()->GetMass()+GetNeutron()->GetMass() |
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| 45 | // - theActualStateQValue; |
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| 46 | theCurrentMultiplicity = static_cast<G4int>(mean); |
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| 47 | G4ReactionProduct * tmp; |
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| 48 | for(i=0;i<multi;i++) |
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| 49 | { |
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| 50 | tmp = theDist->Sample(anEnergy, theMassCode, theMass); |
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| 51 | if(tmp != 0) { result->push_back(tmp); } |
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| 52 | } |
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| 53 | if(multi == 0) |
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| 54 | { |
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| 55 | tmp = theDist->Sample(anEnergy, theMassCode, theMass); |
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| 56 | delete tmp; |
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| 57 | } |
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| 58 | if(theTarget->GetMass()<2*GeV) // @@@ take care of residuals in all cases |
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| 59 | { |
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| 60 | tmp = theDist->Sample(anEnergy, theMassCode, theMass); |
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| 61 | tmp->SetDefinition(G4Proton::Proton()); |
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| 62 | if(tmp != 0) { result->push_back(tmp); } |
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| 63 | } |
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| 64 | return result; |
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| 65 | } |
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