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G4GamP2PPi0AngDst.cc
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25 //
26 // Author: Dennis Wright (SLAC)
27 // Date: 28 January 2013
28 //
29 // Description: implementation of numerically integrated angular distribution
30 // class for gamma p -> p pi0 reaction
31 //
32 // 20130219 Inherit from templated base, move arrays to namespace statics
33 
34 #include "G4GamP2PPi0AngDst.hh"
35 
36 namespace {
37  static const G4double eBins[15] =
38  { 0.145, 0.169, 0.240, 0.300, 0.360, 0.420, 0.480,
39  0.700, 1.050, 1.238, 1.400, 1.575, 1.825, 2.450,
40  2.900 };
41 
42  static const G4double angleBins[19] =
43  { -1.000, -0.985, -0.940, -0.866, -0.766, -0.643, -0.500, -0.342, -0.174,
44  0.000, 0.174, 0.342, 0.500, 0.643, 0.766, 0.866, 0.940, 0.985,
45  1.000 };
46 
47  static const G4double integralTable[15][19] = {
48  {0.0000, 0.0075, 0.0300, 0.0670, 0.1170, 0.1785, 0.2500, 0.3290, 0.4130,
49  0.5000, 0.5870, 0.6710, 0.7500, 0.8215, 0.8830, 0.9330, 0.9700, 0.9925,
50  1.0000},
51  {0.0000, 0.0123, 0.0482, 0.1041, 0.1739, 0.2514, 0.3315, 0.4098, 0.4840,
52  0.5543, 0.6214, 0.6862, 0.7500, 0.8124, 0.8711, 0.9231, 0.9644, 0.9909,
53  1.0000},
54  {0.0000, 0.0059, 0.0242, 0.0564, 0.1039, 0.1676, 0.2475, 0.3409, 0.4434,
55  0.5499, 0.6534, 0.7473, 0.8274, 0.8910, 0.9374, 0.9686, 0.9875, 0.9971,
56  1.0000},
57  {0.0000, 0.0039, 0.0164, 0.0399, 0.0769, 0.1300, 0.2003, 0.2865, 0.3851,
58  0.4913, 0.5980, 0.6981, 0.7866, 0.8598, 0.9158, 0.9558, 0.9816, 0.9956,
59  1.0000},
60  {0.0000, 0.0025, 0.0113, 0.0294, 0.0605, 0.1082, 0.1749, 0.2598, 0.3594,
61  0.4686, 0.5798, 0.6848, 0.7780, 0.8550, 0.9136, 0.9549, 0.9814, 0.9956,
62  1.0000},
63  {0.0000, 0.0015, 0.0074, 0.0212, 0.0476, 0.0910, 0.1544, 0.2377, 0.3374,
64  0.4485, 0.5627, 0.6714, 0.7684, 0.8486, 0.9098, 0.9530, 0.9806, 0.9954,
65  1.0000},
66  {0.0000, 0.0009, 0.0051, 0.0160, 0.0383, 0.0765, 0.1342, 0.2116, 0.3062,
67  0.4135, 0.5260, 0.6356, 0.7360, 0.8220, 0.8902, 0.9408, 0.9748, 0.9939,
68  1.0000},
69  {0.0000, 0.0022, 0.0105, 0.0290, 0.0630, 0.1170, 0.1937, 0.2914, 0.4047,
70  0.5261, 0.6454, 0.7529, 0.8421, 0.9092, 0.9542, 0.9807, 0.9938, 0.9988,
71  1.0000},
72  {0.0000, 0.0080, 0.0333, 0.0785, 0.1424, 0.2194, 0.3003, 0.3759, 0.4433,
73  0.5071, 0.5757, 0.6547, 0.7432, 0.8313, 0.9058, 0.9578, 0.9863, 0.9975,
74  1.0000},
75  {0.0000, 0.0064, 0.0288, 0.0717, 0.1333, 0.2036, 0.2718, 0.3330, 0.3919,
76  0.4566, 0.5307, 0.6114, 0.6937, 0.7726, 0.8448, 0.9078, 0.9575, 0.9892,
77  1.0000},
78  {0.0000, 0.0129, 0.0517, 0.1132, 0.1849, 0.2517, 0.3063, 0.3558, 0.4142,
79  0.4878, 0.5668, 0.6343, 0.6844, 0.7265, 0.7772, 0.8444, 0.9189, 0.9778,
80  1.0000},
81  {0.0000, 0.0027, 0.0197, 0.0638, 0.1277, 0.1895, 0.2402, 0.2972, 0.3824,
82  0.4892, 0.5796, 0.6246, 0.6388, 0.6663, 0.7363, 0.8357, 0.9271, 0.9827,
83  1.0000},
84  {0.0000, 0.0025, 0.0142, 0.0401, 0.0761, 0.1140, 0.1572, 0.2217, 0.3174,
85  0.4282, 0.5179, 0.5649, 0.5863, 0.6227, 0.6997, 0.8068, 0.9095, 0.9773,
86  1.0000},
87  {0.0000, 0.0010, 0.0036, 0.0062, 0.0083, 0.0111, 0.0174, 0.0302, 0.0518,
88  0.0844, 0.1307, 0.1957, 0.2864, 0.4073, 0.5541, 0.7132, 0.8598, 0.9630,
89  1.0000},
90  {0.0000, 0.0013, 0.0044, 0.0079, 0.0111, 0.0149, 0.0219, 0.0351, 0.0569,
91  0.0895, 0.1359, 0.2010, 0.2917, 0.4121, 0.5582, 0.7160, 0.8612, 0.9634,
92  1.0000}
93  };
94 }
95 
96 // Constructor passes arrays to templated base class
97 
98 G4GamP2PPi0AngDst::G4GamP2PPi0AngDst(G4int verbose)
99  : G4NumIntTwoBodyAngDst<15,19>("G4GamP2PPi0AngDist", eBins, angleBins,
100  integralTable, 1.5, verbose) {;}