G4QMDParameters.cc

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00025 //
00026 
00027 // Parameters comes from JQMD 
00028 // Niita et al., JAERI-Data/Code 99-042
00029 
00030 #include "G4QMDParameters.hh"
00031 #include "G4PhysicalConstants.hh"
00032 
00033 G4QMDParameters* G4QMDParameters::parameters = NULL;
00034 
00035 G4QMDParameters::G4QMDParameters()
00036 {
00037 
00038    wl = 2.0; // width of wave packet [fm]
00039    hbc = 0.1973;      //   h-bar c in GeVfm
00040 
00041    //Pauli
00042    cpw = 1.0 / 2.0 / wl;
00043 
00044    cph = 2.0 * wl / (hbc*hbc);
00045 
00046    cpc = 4.0;
00047 
00048    epsx = -20.0 ;
00049 
00050    rho0 = 0.168;     // satulation density 
00051 
00052 // Skyrme
00053    G4double rpot = 1.0/3.0;  
00054 
00055    G4double ebinm = -16.0; // bounding energy [MeV] 
00056    G4double ebin = ebinm * 0.001;
00057 
00058    G4double pfer  = hbc * std::pow ( 3./2. *pi*pi * rho0 , 1./3. );
00059 
00060    G4double rmass = 0.938; 
00061 
00062    G4double efer  = pfer*pfer / 2. / rmass;
00063 
00064    G4double t3 = 8. / 3. / rpot / std::pow( rho0 , ( 1.+rpot ) ) * ( efer / 5. - ebin );
00065 
00066    G4double t0 = -16./15. * efer / rho0 - ( 1.+rpot ) * t3 * std::pow( rho0 , rpot );
00067   
00068 
00069    G4double aaa = 3./4. * t0 * rho0;
00070    G4double bbb = 3./8. * t3 * ( 2.+rpot ) * std::pow( rho0 , ( 1.+rpot ) );
00071    G4double esymm = 25 * 0.001; // symetric potential 25 [MeV] -> GeV
00072 
00073    gamm = rpot + 1.0;
00074 
00075 // Local Potenials
00076    c0 = aaa / ( rho0 * std::pow( 4 * pi * wl , 1.5 ) * 2.0 );
00077 
00078    c3 = bbb / ( std::pow( rho0 , gamm ) * std::pow ( (4.0*pi*wl) , (1.5*gamm) ) * ( gamm+1.0) );
00079 
00080    cs = esymm / ( rho0 * std::pow( (4.0*pi*wl) , 1.5 ) * 2.0 );
00081 
00082    G4double ccoul = 0.001439767;
00083    cl = ccoul/2.0 * 1;  // Include Coulomb interaction
00084    //cl = ccoul/2.0 * 0;  // Not Include Coulomb interaction
00085  
00086 
00087 
00088 // GroundStateNucleus
00089    cdp = 1.0 / std::pow ( ( 4.0 * pi * wl ) , 1.5 );
00090    c0p = c0 * 2.0;
00091    c3p = c3 * ( gamm + 1.0 );
00092    csp = cs * 2.0;
00093    clp = cl * 2.0;
00094 
00095 }
00096 
00097 
00098 
00099 G4QMDParameters::~G4QMDParameters()
00100 { 
00101    ;
00102 }
00103 

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