Gabriele Cosmo
166 lines
4.8 KiB
C++
166 lines
4.8 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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// $Id: G4NucLevel.hh 88516 2015-02-25 11:00:16Z vnivanch $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 header file
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//
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// File name: G4NucLevel
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//
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// Author: V.Ivanchenko
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//
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// Creation date: 4 January 2012
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//
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// Modifications:
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//
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// -------------------------------------------------------------------
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//
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// Container class keeping information about gamma transition
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// and for a given nuclear level
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//
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#ifndef G4NUCLEVEL_HH
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#define G4NUCLEVEL_HH 1
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#include "globals.hh"
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#include <assert.h>
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#include <vector>
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class G4NucLevel
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{
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public:
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G4NucLevel(const std::vector<G4float>& eTransition,
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const std::vector<G4float>& wLevelGamma,
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const std::vector<G4float>& wLevelGammaE,
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const std::vector<G4float>& wGamma,
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const std::vector<G4int>& vTrans,
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const std::vector<const std::vector<G4float>*>& wShell);
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~G4NucLevel();
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inline size_t NumberOfTransitions() const;
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inline G4bool IsXLevel() const;
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inline G4float FinalExcitationEnergy(size_t idx) const;
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inline G4float GammaProbability(size_t idx) const;
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inline G4int TransitionType(size_t idx) const;
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inline size_t SampleGammaTransition(G4double rndm) const;
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inline size_t SampleGammaETransition(G4double rndm) const;
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inline size_t SampleShell(size_t idx, G4double rndm) const;
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private:
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G4NucLevel(const G4NucLevel &right);
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G4bool operator==(const G4NucLevel &right) const;
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G4bool operator!=(const G4NucLevel &right) const;
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G4bool operator<(const G4NucLevel &right) const;
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const G4NucLevel& operator=(const G4NucLevel &right);
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std::vector<G4float> fFinalEnergy;
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std::vector<G4float> fGammaCumProbability;
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std::vector<G4float> fGammaECumProbability;
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std::vector<G4float> fGammaProbability;
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std::vector<G4int> fTrans;
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const std::vector<const std::vector<G4float>*> fShellProbability;
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size_t length;
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};
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inline size_t G4NucLevel::NumberOfTransitions() const
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{
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return length;
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}
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inline G4bool G4NucLevel::IsXLevel() const
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{
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return (0.0 == fGammaECumProbability[0]);
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}
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inline G4float G4NucLevel::FinalExcitationEnergy(size_t idx) const
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{
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assert(idx < length);
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return fFinalEnergy[idx];
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}
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inline G4float G4NucLevel::GammaProbability(size_t idx) const
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{
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assert(idx < length);
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return fGammaProbability[idx];
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}
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inline G4int G4NucLevel::TransitionType(size_t idx) const
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{
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assert(idx < length);
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return fTrans[idx];
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}
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inline size_t G4NucLevel::SampleGammaTransition(G4double rndm) const
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{
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G4float x = (G4float)rndm;
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size_t idx = 0;
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for(; idx<length; ++idx) {
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if(x <= fGammaCumProbability[idx]) { break; }
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}
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return idx;
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}
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inline size_t G4NucLevel::SampleGammaETransition(G4double rndm) const
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{
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G4float x = (G4float)rndm;
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size_t idx = 0;
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for(; idx<length; ++idx) {
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if(x <= fGammaECumProbability[idx]) { break; }
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}
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return idx;
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}
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inline size_t G4NucLevel::SampleShell(size_t idx, G4double rndm) const
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{
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assert(idx < length);
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const std::vector<G4float>* prob = fShellProbability[idx];
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size_t i = 0;
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if(prob) {
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size_t nn = prob->size();
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G4float x = (G4float)rndm;
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for(; i<nn; ++i) { if(x <= (*prob)[i]) { break; } }
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}
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return i;
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}
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#endif
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