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24 // ********************************************************************
25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // Author: E.Mendoza
30 //
31 // Creation date: May 2024
32 //
33 // Modifications:
34 //
35 // -------------------------------------------------------------------
36 //
37 // NuDEX code (https://doi.org/10.1016/j.nima.2022.167894)
38 //
39
40
41 #ifndef NUDEXLEVELDENSITY_HH
42 #define NUDEXLEVELDENSITY_HH 1
43
44 #include <cstdlib>
45 #include <iostream>
46 #include <fstream>
47 #include <cmath>
48
49 //Level densities as they are defined in the RIPL-3 manual
50
51 //LDTYPE=1,2,3 --> Back-Shifted-Fermi-Gas model, Constant Temperature, Back-shifted: Egidy
52
53 #define DEFAULTLDTYPE 1
54
55 //using namespace std;
56
57 class G4NuDEXLevelDensity{
58
59 public:
60 G4NuDEXLevelDensity(G4int aZ,G4int aA,G4int ldtype=DEFAULTLDTYPE);
61 ~G4NuDEXLevelDensity(){}
62
63
64 G4int ReadLDParameters(const char* dirname,const char* inputfname=0,const char* defaultinputfname=0);
65 G4int CalculateLDParameters_BSFG(const char* dirname);
66 G4int SearchLDParametersInInputFile(const char* inputfname);
67 void GetSnD0I0Vals(G4double &aSn,G4double &aD0,G4double &aI0){aSn=Sn; aD0=D0; aI0=I0;}
68
69 G4int GetLDType(){return LDType;}
70 G4double GetNucleusTemperature(G4double ExcEnergy);
71 G4double GetLevelDensity(G4double ExcEnergy_MeV,G4double spin,G4bool parity,G4bool TotalLevelDensity=false);
72 G4double EstimateInverse(G4double LevDen_iMeV,G4double spin,G4bool parity); //an approximate value of ExcEnergy(rho), the inverse function of rho(ExcEnergy) - iMeV means 1/MeV
73 G4double Integrate(G4double Emin,G4double Emax,G4double spin,G4bool parity);
74
75 void PrintParameters(std::ostream &out);
76 void PrintParametersInInputFileFormat(std::ostream &out);
77
78 private:
79
80 //General info:
81 G4int A_Int,Z_Int;
82 G4int LDType; //=1,2,3 --> Back-Shifted-Fermi-Gas model, Constant Temperature, Back-shifted: Egidy
83 G4double Sn,D0,I0; //I0 es el del nucleo A-1 (el que captura)
84 G4double Ed;
85
86 G4bool HasData;
87
88 //Level density parameters:
89 G4double A_mass,ainf_ldpar,gamma_ldpar,dW_ldpar,Delta_ldpar,T_ldpar,E0_ldpar,Ex_ldpar;
90
91
92 };
93
94
95
96 #endif
97
98