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// $Id: G4ProtonGEMProbability.cc,v 1.5 2009/09/15 12:54:17 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara (Sept 2001)
//
// J.M. Quesada (July 2009) C's and k's  values according to Furihata's paper 
// (based on notes added on proof in Dostrovskii's paper)

#include "G4ProtonGEMProbability.hh"

G4ProtonGEMProbability::G4ProtonGEMProbability() :
    G4GEMProbability(1,1,1.0/2.0) // A,Z,Gamma
{
    SetExcitationEnergiesPtr(&ExcitEnergies);
    SetExcitationSpinsPtr(&ExcitSpins);
    SetExcitationLifetimesPtr(&ExcitLifetimes);
}


G4ProtonGEMProbability::G4ProtonGEMProbability(const G4ProtonGEMProbability &) : G4GEMProbability()
{
    throw G4HadronicException(__FILE__, __LINE__, "G4ProtonGEMProbability::copy_constructor meant to not be accessable");
}




const G4ProtonGEMProbability & G4ProtonGEMProbability::
operator=(const G4ProtonGEMProbability &)
{
    throw G4HadronicException(__FILE__, __LINE__, "G4ProtonGEMProbability::operator= meant to not be accessable");
    return *this;
}


G4bool G4ProtonGEMProbability::operator==(const G4ProtonGEMProbability &) const
{
    return false;
}

G4bool G4ProtonGEMProbability::operator!=(const G4ProtonGEMProbability &) const
{
    return true;
}

//JMQ 190709 C's values from Furihata's paper 
//(notes added on proof in Dostrovskii's paper) 
//data = {{20, 0.}, {30, -0.06}, {40, -0.10}, {50, -0.10}};
G4double G4ProtonGEMProbability::CCoeficient(const G4double aZ) const
{
   G4double C = 0.0;
	
    if (aZ >= 50){
      C=-0.10;     
    } else if (aZ <= 20) {
        C = 0.0;
    } else C=0.123482-0.00534691*aZ-0.0000610624*aZ*aZ+5.93719*1e-7*aZ*aZ*aZ+1.95687*1e-8*aZ*aZ*aZ*aZ;	
    return C;
	
}

//G4double G4ProtonGEMProbability::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 Cp[5] = { 0.50, 0.28, 0.20, 0.15, 0.10};
//    G4double C = 0.0;
	
//    if (aZ >= 70) {
//        C = 0.10;
//    } else {
//        C = ((((0.15417e-06*aZ) - 0.29875e-04)*aZ + 0.21071e-02)*aZ - 0.66612e-01)*aZ + 0.98375;
//    }
	
//    return C;
	
//}