140 lines
2.9 KiB
C++
140 lines
2.9 KiB
C++
// This code implementation is the intellectual property of
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// neutron_hp -- header file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4NeutronHPNeutronYield.hh,v 1.4 1999/12/15 14:53:13 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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#ifndef G4NeutronHPNeutronYield_h
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#define G4NeutronHPNeutronYield_h 1
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#include "globals.hh"
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#include "G4NeutronHPVector.hh"
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#include "G4NeutronHPPolynomExpansion.hh"
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#include "G4NeutronHPList.hh"
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class G4NeutronHPNeutronYield
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{
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public:
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G4NeutronHPNeutronYield()
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{
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simpleMean = true;
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spontPrompt = true;
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hasPromptData = false;
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hasDelayedData = false;
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}
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~G4NeutronHPNeutronYield(){}
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G4double GetTargetMass() { return targetMass; }
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void InitMean(G4std::ifstream & aDataFile)
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{
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G4int iflag;
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aDataFile >> targetMass >>iflag;
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if(iflag == 1) simpleMean=false;
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if(simpleMean)
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{
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theSimpleMean.Init(aDataFile, eV);
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}
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else
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{
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theMean.Init(aDataFile);
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}
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}
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void InitPrompt(G4std::ifstream & aDataFile)
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{
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hasPromptData = true;
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G4int iflag;
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aDataFile >> targetMass >>iflag;
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if(iflag == 2) spontPrompt = false;
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if(spontPrompt)
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{
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aDataFile >> theSpontPrompt;
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}
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else
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{
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thePrompt.Init(aDataFile, eV);
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}
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}
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void InitDelayed(G4std::ifstream & aDataFile)
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{
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hasDelayedData = true;
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G4int iflag;
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aDataFile >> targetMass >>iflag;
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thePrecursorDecayConstants.Init(aDataFile, 1./s); // s is the CLHEP unit second
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if(iflag == 2) spontDelayed = false;
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if(spontDelayed)
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{
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aDataFile >> theSpontDelayed;
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}
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else
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{
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theDelayed.Init(aDataFile, eV);
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}
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}
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G4double GetMean(G4double anEnergy)
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{
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if(simpleMean)
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{
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return theSimpleMean.GetY(anEnergy);
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}
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return theMean.GetValue(anEnergy);
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}
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G4double GetPrompt(G4double anEnergy)
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{
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if(!hasPromptData) return 0;
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if(spontPrompt)
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{
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return theSpontPrompt;
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}
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return thePrompt.GetY(anEnergy);
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}
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G4double GetDelayed(G4double anEnergy)
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{
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if(!hasDelayedData) return 0;
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if(spontDelayed)
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{
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return theSpontDelayed;
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}
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return theDelayed.GetY(anEnergy);
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}
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inline G4double GetDecayConstant(G4int i)
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{
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return thePrecursorDecayConstants.GetValue(i);
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}
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private:
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G4double targetMass;
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// total mean
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G4bool simpleMean;
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G4NeutronHPPolynomExpansion theMean;
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G4NeutronHPVector theSimpleMean;
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// Prompt neutrons
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G4bool hasPromptData;
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G4bool spontPrompt;
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G4NeutronHPVector thePrompt;
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G4double theSpontPrompt;
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// delayed neutrons
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G4bool hasDelayedData;
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G4bool spontDelayed;
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G4NeutronHPList thePrecursorDecayConstants;
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G4NeutronHPVector theDelayed;
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G4double theSpontDelayed;
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};
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#endif
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