Gabriele Cosmo
186 lines
4.3 KiB
C++
186 lines
4.3 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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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: G4NucleiPropertiesTable.hh,v 1.8 1999/12/15 14:51:11 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// -------------------------------------------------------------------
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// GEANT 4 class file --- Copyright CERN 1997
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// CERN Geneva Switzerland
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//
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// For information related to this code contact:
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// CERN, IT Division, ASD group
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//
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// File name: G4NucleiPropertiesTable.cc
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//
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// Authors: Vicente Lara (Vicente.Lara@cern.ch)
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// Christian V"olcker (Christian.Volcker@cern.ch),
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//
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// Creation date: November 1997
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//
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// Testfiles:
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//
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// Modifications:
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//
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// Migrate into particles category by H.Kurashige (17 Nov. 98)
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// Subtract electron mass by H.Kurashige
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// Avoid substraction of electron mass in Atomic masses by V.Lara (12 May 99)
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// -------------------------------------------------------------------
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#include "globals.hh"
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#ifndef G4NucleiPropertiesTable_h
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#define G4NucleiPropertiesTable_h 1
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// Class Description
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// Class: G4NucleiPropertiesTable
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// Encapsulates Data from G. Audi and A.H. Wapstra, Nucl.
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// Physics,A595 vol 4 p 409-480,
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// 25. Dec. 1995.
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// Name, Z, A,
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// Mass Excess
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// Binding Energy
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// Beta Decay Energy
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// Atomic Mass
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class G4NucleiPropertiesTable
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{
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private:
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// Default constructor - this class should exist only once!
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G4NucleiPropertiesTable(G4double dummy);
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static G4NucleiPropertiesTable theInstance;
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public:
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// Destructor (generated)
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~G4NucleiPropertiesTable() { };
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enum {nEntries = 2931,MaxA = 273}; // for SUN
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// Other Operations
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public: // With Description
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// Operation: GetMassExcess
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static G4double GetMassExcess(G4int Z, G4int A);
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// Operation: GetNuclearMass
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static G4double GetNuclearMass(G4int Z, G4int A);
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// Operation: GetBindingEnergy
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static G4double GetBindingEnergy(G4int Z, G4int A);
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// Operation: GetBetaDecayEnergy
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static G4double GetBetaDecayEnergy(G4int Z, G4int A);
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// Operation: GetAtomicMass .. in Geant4 Energy units!
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static G4double GetAtomicMass(G4int Z, G4int A);
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// Is the nucleus (A,Z) in table?
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static G4bool IsInTable(G4int Z, G4int A);
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static G4int MaxZ(G4int A);
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static G4int MinZ(G4int A);
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private:
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// Operation: GetIndex
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static G4int GetIndex(G4int Z, G4int A);
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// Data Members for Class Attributes
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//----------------------------------
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// Number of Entries in the Table
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// const G4int nEntries;
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// The following arrays are static for allow inicialization.
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// The inicialization is Done in G4NucleiPropertiesTable.cc
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// Mass Excess
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static G4double MassExcess[nEntries];
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// Beta Decay Energy
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static G4double BetaEnergy[nEntries];
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// Table of Z (number of protons) and A (number of nucleons)
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// indexArray[0][ ] --> Z
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// indexArray[1][ ] --> A
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static G4int indexArray[2][nEntries];
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// Reduced Table of A for shorter index search.
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// The index in this table coincide with A-1
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// For each A value shortTable[A-1] has the index of the 1st occurrence in
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// the indexArray[][]
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static G4int shortTable[MaxA+1];
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};
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inline G4double G4NucleiPropertiesTable::GetMassExcess(G4int Z, G4int A)
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{
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G4int i=GetIndex(Z, A);
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if (i >= 0) {
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return MassExcess[i]*keV;
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} else {
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return 0.0;
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}
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}
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inline G4double G4NucleiPropertiesTable::GetBindingEnergy(G4int Z, G4int A)
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{
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G4int i=GetIndex(Z, A);
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if (i >= 0){
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return (G4double(A-Z)*MassExcess[0] + G4double(Z)*MassExcess[1] - MassExcess[i])*keV;
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} else {
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return 0.0;
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}
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}
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inline G4double G4NucleiPropertiesTable::GetBetaDecayEnergy(G4int Z, G4int A)
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{
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G4int i=GetIndex(Z, A);
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if (i >= 0){
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return BetaEnergy[i]*keV;
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} else {
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return 0.0;
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}
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}
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inline G4double G4NucleiPropertiesTable::GetAtomicMass(G4int Z, G4int A)
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{
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G4int i=GetIndex(Z, A);
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if (i >= 0){
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return MassExcess[i]*keV + G4double(A)*amu_c2;
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} else {
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return 0.0;
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}
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}
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inline G4bool G4NucleiPropertiesTable::IsInTable(G4int Z, G4int A)
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{
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return (Z <= A && A >= 1 && A <= 273 && Z >= 0 && Z <= 110 && GetIndex(Z, A) >= 0);
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}
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#endif
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