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25 //
26 /*
27 * File: G4FPYNormalFragmentDist.cc
28 * Author: B. Wendt (wendbryc@isu.edu)
29 *
30 * Created on July 26, 2011, 12:26 PM
31 */
32
33 #include "G4FPYNormalFragmentDist.hh"
34
35 #include "G4FFGDebuggingMacros.hh"
36 #include "G4FFGEnumerations.hh"
37 #include "G4FissionProductYieldDist.hh"
38 #include "G4Ions.hh"
39 #include "Randomize.hh"
40 #include "globals.hh"
41
42 G4FPYNormalFragmentDist::G4FPYNormalFragmentDist(G4int WhichIsotope,
43 G4FFGEnumerations::MetaState WhichMetaState,
44 G4FFGEnumerations::FissionCause WhichCause,
45 G4FFGEnumerations::YieldType WhichYieldType,
46 std::istringstream& dataFile)
47 : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, dataFile)
48 {
49 // Initialize the class
50 Initialize();
51 }
52
53 G4FPYNormalFragmentDist::G4FPYNormalFragmentDist(G4int WhichIsotope,
54 G4FFGEnumerations::MetaState WhichMetaState,
55 G4FFGEnumerations::FissionCause WhichCause,
56 G4FFGEnumerations::YieldType WhichYieldType,
57 G4int Verbosity, std::istringstream& dataFile)
58 : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, Verbosity,
59 dataFile)
60 {
61 // Initialize the class
62 Initialize();
63 }
64
65 void G4FPYNormalFragmentDist::Initialize(){G4FFG_FUNCTIONENTER__
66
67 // Nothing here yet
68
69 G4FFG_FUNCTIONLEAVE__}
70
71 G4Ions* G4FPYNormalFragmentDist::GetFissionProduct()
72 {
73 G4FFG_FUNCTIONENTER__
74
75 G4Ions* Particle = nullptr;
76
77 // Generate a (0, 1] random number and return the respective particle.
78 // The ENDF data tables lists 72172 as the largest fission fragment produced
79 // for any fission event. The maximum alpha production is 10 and the
80 // smallest fissile isotope is 90227. This means that if isotope 72172 were
81 // selected as the first daughter product, then at 10 alpha particles only
82 // 15 nucleons and -2 protons would remain for the second daughter product.
83 // Although the actual probability of this occurring is very small, or 0 in
84 // this case, a check should still be made to ensure that the second
85 // daughter product can be physically realized. This would prevent a
86 // situation such as this extreme example which results in a nucleus of 13
87 // neutrons and 2 anti-protons.
88 // This quick sanity check may become even more valid if the ENDF data
89 // tables are expanded in the future and include larger fission products.
90
91 G4int icounter = 0;
92 G4int icounter_max = 1024;
93 do {
94 icounter++;
95 if (icounter > icounter_max) {
96 G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of "
97 << __FILE__ << "." << G4endl;
98 break;
99 }
100 Particle = FindParticle(RandomEngine_->G4SampleUniform());
101 } while (Particle->GetAtomicMass() > RemainingA_ + 1
102 || Particle->GetAtomicNumber() > RemainingZ_ + 1);
103 // Loop checking, 11.05.2015, T. Koi
104
105 G4FFG_FUNCTIONLEAVE__
106 return Particle;
107 }
108
109 G4FPYNormalFragmentDist::~G4FPYNormalFragmentDist()
110 {
111 G4FFG_FUNCTIONENTER__
112
113 // Empty - all the data elements to be deconstructed are removed by
114 // ~G4FissionProductYieldDist()
115
116 G4FFG_FUNCTIONLEAVE__
117 }
118