Gabriele Cosmo
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4NeutronHPDeExGammas.hh,v 1.13 2007/06/06 12:45:13 ahoward Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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//
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#ifndef G4NeutronHPDeExGammas_h
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#define G4NeutronHPDeExGammas_h 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include <fstream>
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#include "G4ReactionProductVector.hh"
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#include "G4Gamma.hh"
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#include "G4NeutronHPLevel.hh"
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#include "G4NeutronHPGamma.hh"
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#include "G4ReactionProduct.hh"
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class G4NeutronHPDeExGammas
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{
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public:
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G4NeutronHPDeExGammas()
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{
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levelStart = 0;
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levelSize = 0;
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nLevels = 0;
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theLevels = 0;
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}
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~G4NeutronHPDeExGammas()
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{
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if(levelStart!=0) delete [] levelStart;
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if(levelSize!=0) delete [] levelSize;
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if(theLevels!=0) delete [] theLevels;
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}
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void Init(std::ifstream & aDataFile);
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inline G4ReactionProductVector * GetDecayGammas(G4int aLevel)
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{
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if(aLevel>nLevels-1 || aLevel<0) return 0;
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if(nLevels==0) return new G4ReactionProductVector();
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G4ReactionProductVector * result = new G4ReactionProductVector;
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G4DynamicParticleVector * theResult;
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theResult = theLevels[aLevel]. GetDecayGammas();
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G4ReactionProduct * theCurrent;
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unsigned int i;
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for(i=0; i<theResult->size(); i++)
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{
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theCurrent = new G4ReactionProduct;
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*theCurrent = *(theResult->operator[](i));
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delete theResult->operator[](i);
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G4double costheta = 2.*G4UniformRand()-1;
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G4double theta = std::acos(costheta);
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G4double phi = twopi*G4UniformRand();
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G4double sinth = std::sin(theta);
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G4double en = theCurrent->GetTotalMomentum();
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G4ThreeVector temp(en*sinth*std::cos(phi), en*sinth*std::sin(phi), en*costheta );
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theCurrent->SetMomentum( temp ) ;
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result->push_back(theCurrent);
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}
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delete theResult;
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return result;
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}
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inline G4NeutronHPLevel * GetLevel(G4int i)
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{
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if(i>nLevels-1) return 0;
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return theLevels+i;
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}
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inline G4int GetNumberOfLevels() { return nLevels; }
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inline G4double GetLevelEnergy(G4int aLevel)
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{
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if(aLevel>nLevels-1 || aLevel<0) return 0;
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G4double result = theLevels[aLevel].GetLevelEnergy();
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return result;
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}
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private:
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G4int * levelStart;
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G4int * levelSize;
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G4int nLevels;
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G4NeutronHPLevel * theLevels;
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};
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#endif
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