source: trunk/source/processes/hadronic/models/de_excitation/gem_evaporation/src/G4He3GEMProbability.cc @ 962

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// $Id: G4He3GEMProbability.cc,v 1.4 2006/06/29 20:22:15 gunter Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara (Nov 1999)
//


#include "G4He3GEMProbability.hh"

G4He3GEMProbability::G4He3GEMProbability() :
    G4GEMProbability(3,2,1.0/2.0) // A,Z,Gamma
{
    SetExcitationEnergiesPtr(&ExcitEnergies);
    SetExcitationSpinsPtr(&ExcitSpins);
    SetExcitationLifetimesPtr(&ExcitLifetimes);
}


G4He3GEMProbability::G4He3GEMProbability(const G4He3GEMProbability &) : G4GEMProbability()
{
    throw G4HadronicException(__FILE__, __LINE__, "G4He3GEMProbability::copy_constructor meant to not be accessable");
}




const G4He3GEMProbability & G4He3GEMProbability::
operator=(const G4He3GEMProbability &)
{
    throw G4HadronicException(__FILE__, __LINE__, "G4He3GEMProbability::operator= meant to not be accessable");
    return *this;
}


G4bool G4He3GEMProbability::operator==(const G4He3GEMProbability &) const
{
    return false;
}

G4bool G4He3GEMProbability::operator!=(const G4He3GEMProbability &) const
{
    return true;
}


G4double G4He3GEMProbability::CCoeficient(const G4double aZ) const
{
    // Data comes from 
    // Dostrovsky, Fraenkel and Friedlander
    // Physical Review, vol 116, num. 3 1959
    // 
    // const G4int size = 5;
    // G4double Zlist[5] = { 10.0, 20.0, 30.0, 50.0, 70.0};
    //  G4double Calpha[5] = { 0.10, 0.10, 0.10, 0.08, 0.06};
    // C for He3 is equal to C for alpha times 4/3
    G4double C = 0.0;
        
        
    if (aZ <= 30) {
        C = 0.10;
    } else if (aZ <= 50) {
        C = 0.1 + -((aZ-50.)/20.)*0.02;
    } else if (aZ < 70) {
        C = 0.08 + -((aZ-70.)/20.)*0.02;
    } else {
        C = 0.06;
    }
    return C*(4.0/3.0);
}