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25 //
26 //
27 // p p -> Delta Delta cross section tables
28 //
29 // -------------------------------------------------------------------
30
31 #include "globals.hh"
32 #include "G4ios.hh"
33 #include "G4SystemOfUnits.hh"
34 #include "G4XDeltaDeltaTable.hh"
35 #include "G4PhysicsFreeVector.hh"
36
37 // Energies (GeV) corresponding to the cross section table
38 // Units are assigned when filling the PhysicsVector
39
40 const G4double G4XDeltaDeltaTable::energyTable[121] =
41 {
42 0.0,
43 2.014, 2.014, 2.016, 2.018, 2.022, 2.026, 2.031, 2.037, 2.044, 2.052,
44 2.061, 2.071, 2.082, 2.094, 2.107, 2.121, 2.135, 2.151, 2.168, 2.185,
45 2.204, 2.223, 2.244, 2.265, 2.287, 2.311, 2.335, 2.360, 2.386, 2.413,
46 2.441, 2.470, 2.500, 2.531, 2.562, 2.595, 2.629, 2.664, 2.699, 2.736,
47 2.773, 2.812, 2.851, 2.891, 2.933, 2.975, 3.018, 3.062, 3.107, 3.153,
48 3.200, 3.248, 3.297, 3.347, 3.397, 3.449, 3.502, 3.555, 3.610, 3.666,
49 3.722, 3.779, 3.838, 3.897, 3.957, 4.018, 4.081, 4.144, 4.208, 4.273,
50 4.339, 4.406, 4.473, 4.542, 4.612, 4.683, 4.754, 4.827, 4.900, 4.975,
51 5.000, 6.134, 7.269, 8.403, 9.538, 10.672, 11.807, 12.941, 14.076, 15.210,
52 16.345, 17.479, 18.613, 19.748, 20.882, 22.017, 23.151, 24.286, 25.420, 26.555,
53 27.689, 28.824, 29.958, 31.092, 32.227, 33.361, 34.496, 35.630, 36.765, 37.899,
54 39.034, 40.168, 41.303, 42.437, 43.571, 44.706, 45.840, 46.975, 48.109, 49.244
55 };
56
57 // Cross-sections in mb, from S.A. Bass et al., Prog.Part.Nucl.Phys.41:225-370,1998
58 // Units are assigned when filling the PhysicsVector
59
60 const G4double G4XDeltaDeltaTable::sigmaDD1232[121] =
61 {
62 0.0,
63 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000,
64 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000,
65 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000,
66 0.001, 0.000, 0.000, 0.000, 0.002, 0.008, 0.029, 0.078,
67 0.159, 0.262, 0.374, 0.488, 0.599, 0.706, 0.806, 0.899,
68 0.985, 1.064, 1.135, 1.200, 1.257, 1.309, 1.354, 1.394,
69 1.429, 1.458, 1.482, 1.503, 1.519, 1.531, 1.540, 1.545,
70 1.548, 1.548, 1.545, 1.540, 1.533, 1.523, 1.513, 1.500,
71 1.486, 1.471, 1.455, 1.437, 1.419, 1.400, 1.381, 1.361,
72 1.340, 1.319, 1.297, 1.275, 1.254, 1.231, 1.209, 1.187,
73 1.180, 0.889, 0.681, 0.534, 0.430, 0.351, 0.292, 0.247,
74 0.211, 0.183, 0.160, 0.141, 0.125, 0.111, 0.100, 0.090,
75 0.082, 0.075, 0.068, 0.063, 0.058, 0.054, 0.050, 0.046,
76 0.043, 0.040, 0.038, 0.035, 0.033, 0.031, 0.030, 0.028,
77 0.027, 0.025, 0.024, 0.023, 0.022, 0.021, 0.020, 0.019
78 };
79
80
81
82 G4XDeltaDeltaTable::G4XDeltaDeltaTable() : size(121)
83 { }
84
85
86 G4XDeltaDeltaTable::~G4XDeltaDeltaTable()
87 { }
88
89
90 G4PhysicsVector* G4XDeltaDeltaTable::CrossSectionTable() const
91 {
92 G4PhysicsFreeVector*sigma = new G4PhysicsFreeVector(size);
93
94 G4int i;
95 for (i=0; i<size; i++)
96 {
97 G4double value = 0.5*sigmaDD1232[i] * millibarn;
98 G4double energy = energyTable[i] * GeV;
99 sigma->PutValue(i,energy,value);
100 }
101 return sigma;
102 }
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