[1350] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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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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| 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 | // $Id: G4PreCompoundDeexcitation.cc,v 1.6 2010/09/27 04:03:43 mkelsey Exp $ |
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| 26 | // Geant4 tag: $Name: hadr-casc-V09-03-85 $ |
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| 27 | // |
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| 28 | // Takes an arbitrary excited or unphysical nuclear state and produces |
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| 29 | // a final state with evaporated particles and (possibly) a stable nucleus. |
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| 30 | // |
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| 31 | // 20100922 M. Kelsey -- Remove convertFragment() function, pass buffer |
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| 32 | // instead of copying, clean up code somewhat |
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| 33 | // 20100925 M. Kelsey -- Use new G4InuclNuclei->G4Fragment conversion, and |
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| 34 | // G4ReactionProducts -> G4CollisionOutput convertor. Move Z==0 |
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| 35 | // explosion condition to base-class function. |
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| 36 | // 20100926 M. Kelsey -- Move to new G4VCascadeDeexcitation base class, |
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| 37 | // replace getDeexcitationFragments() with deExcite(). |
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| 38 | |
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| 39 | #include "G4PreCompoundDeexcitation.hh" |
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| 40 | #include "globals.hh" |
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| 41 | #include "G4InuclElementaryParticle.hh" |
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| 42 | #include "G4InuclNuclei.hh" |
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| 43 | #include "G4InuclParticle.hh" |
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| 44 | #include "G4InuclParticleNames.hh" |
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| 45 | #include "G4PreCompoundModel.hh" |
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| 46 | #include "G4ReactionProductVector.hh" |
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| 47 | |
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| 48 | using namespace G4InuclParticleNames; |
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| 49 | |
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| 50 | |
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| 51 | // Constructor and destructor |
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| 52 | |
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| 53 | G4PreCompoundDeexcitation::G4PreCompoundDeexcitation() |
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| 54 | : G4VCascadeDeexcitation("G4PreCompoundDeexcitation"), |
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| 55 | theExcitationHandler(new G4ExcitationHandler), |
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| 56 | theDeExcitation(new G4PreCompoundModel(theExcitationHandler)) {} |
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| 57 | |
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| 58 | G4PreCompoundDeexcitation::~G4PreCompoundDeexcitation() { |
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| 59 | // we need to delete here because G4PreComp does NOT delete it |
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| 60 | delete theExcitationHandler; |
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| 61 | delete theDeExcitation; |
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| 62 | } |
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| 63 | |
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| 64 | // Main processing |
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| 65 | |
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| 66 | void G4PreCompoundDeexcitation::collide(G4InuclParticle* /*bullet*/, |
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| 67 | G4InuclParticle* target, |
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| 68 | G4CollisionOutput& globalOutput) { |
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| 69 | if (verboseLevel) |
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| 70 | G4cout << " >>> G4PreCompoundDeexcitation::collide" << G4endl; |
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| 71 | |
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| 72 | // Ensure that input state is sensible |
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| 73 | G4InuclNuclei* ntarget = dynamic_cast<G4InuclNuclei*>(target); |
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| 74 | if (!ntarget) { |
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| 75 | G4cerr << " G4PreCompoundDeexcitation ERROR: residual fragment must be G4InuclNuclei" |
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| 76 | << G4endl; |
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| 77 | return; |
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| 78 | } |
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| 79 | |
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| 80 | // NOTE: Should not get this case, as G4IntraNucleiCascade should catch it |
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| 81 | if (ntarget->getA() == 1) { // Just a nucleon; move to output list |
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| 82 | G4int type = (ntarget->getZ() == 0) ? neutron : proton; |
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| 83 | G4InuclElementaryParticle ptarget(target->getMomentum(), type, 9); |
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| 84 | |
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| 85 | globalOutput.addOutgoingParticle(ptarget); |
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| 86 | return; |
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| 87 | } |
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| 88 | |
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| 89 | G4Fragment frag(*ntarget); |
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| 90 | |
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| 91 | output.reset(); // Use temporary buffer for conservation checks |
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| 92 | deExcite(&frag, output); |
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| 93 | validateOutput(0, target, output); |
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| 94 | |
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| 95 | globalOutput.add(output); // Return results |
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| 96 | } |
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| 97 | |
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| 98 | void G4PreCompoundDeexcitation::deExcite(G4Fragment* fragment, |
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| 99 | G4CollisionOutput& globalOutput) { |
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| 100 | if (verboseLevel) |
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| 101 | G4cout << " >>> G4PreCompoundDeexcitation::deExcite" << G4endl; |
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| 102 | |
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| 103 | if (!fragment) { |
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| 104 | if (verboseLevel > 1) G4cerr << " NULL pointer fragment" << G4endl; |
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| 105 | return; |
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| 106 | } |
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| 107 | |
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| 108 | if (verboseLevel > 1) G4cout << *fragment << G4endl; |
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| 109 | |
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| 110 | G4ReactionProductVector* precompoundProducts = 0; |
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| 111 | |
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| 112 | // FIXME: in principle, the explosion(...) stuff should also |
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| 113 | // handle properly the case of Z=0 (neutron blob) |
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| 114 | if (explosion(fragment) && theExcitationHandler) { |
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| 115 | precompoundProducts = theExcitationHandler->BreakItUp(*fragment); |
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| 116 | } else { |
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| 117 | precompoundProducts = theDeExcitation->DeExcite(*fragment); |
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| 118 | } |
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| 119 | |
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| 120 | // Transfer output of de-excitation back into Bertini objects |
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| 121 | if (precompoundProducts) { |
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| 122 | globalOutput.addOutgoingParticles(precompoundProducts); |
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| 123 | precompoundProducts->clear(); |
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| 124 | delete precompoundProducts; |
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| 125 | } |
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| 126 | } |
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