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26 ////////////////////////////////////////////// 26 ////////////////////////////////////////////////////////////////////////////////
27 // 27 // //
28 // File: G4ITDecay.cc 28 // File: G4ITDecay.cc //
29 // Author: D.H. Wright (SLAC) 29 // Author: D.H. Wright (SLAC) //
30 // Date: 14 November 2014 30 // Date: 14 November 2014 //
31 // 31 // //
32 ////////////////////////////////////////////// 32 ////////////////////////////////////////////////////////////////////////////////
33 33
34 #include "G4ITDecay.hh" 34 #include "G4ITDecay.hh"
35 #include "G4IonTable.hh" 35 #include "G4IonTable.hh"
36 #include "G4ThreeVector.hh" 36 #include "G4ThreeVector.hh"
37 #include "G4LorentzVector.hh" 37 #include "G4LorentzVector.hh"
38 #include "G4DynamicParticle.hh" 38 #include "G4DynamicParticle.hh"
39 #include "G4DecayProducts.hh" 39 #include "G4DecayProducts.hh"
40 #include "G4PhotonEvaporation.hh" 40 #include "G4PhotonEvaporation.hh"
>> 41 #include "G4RadioactiveDecay.hh"
41 #include "G4VAtomDeexcitation.hh" 42 #include "G4VAtomDeexcitation.hh"
42 #include "G4AtomicShells.hh" 43 #include "G4AtomicShells.hh"
43 #include "G4Electron.hh" 44 #include "G4Electron.hh"
44 #include "G4LossTableManager.hh" 45 #include "G4LossTableManager.hh"
45 #include "G4Fragment.hh" 46 #include "G4Fragment.hh"
46 #include "G4SystemOfUnits.hh" 47 #include "G4SystemOfUnits.hh"
47 #include "G4PhysicalConstants.hh" 48 #include "G4PhysicalConstants.hh"
48 49
49 50
50 G4ITDecay::G4ITDecay(G4PhotonEvaporation* ptr) <<
51 : G4NuclearDecay("IT decay", IT, 0.0, noFloa <<
52 {} <<
53 <<
54 G4ITDecay::G4ITDecay(const G4ParticleDefinitio 51 G4ITDecay::G4ITDecay(const G4ParticleDefinition* theParentNucleus,
55 const G4double& branch, c << 52 const G4double& branch, const G4double& Qvalue,
56 const G4double& excitatio << 53 const G4double& excitationE, G4PhotonEvaporation* aPhotoEvap)
57 : G4NuclearDecay("IT decay", IT, excitationE << 54 : G4NuclearDecay("IT decay", IT, excitationE, noFloat), transitionQ(Qvalue),
>> 55 applyARM(true), photonEvaporation(aPhotoEvap)
58 { 56 {
59 SetParent(theParentNucleus); // Store name 57 SetParent(theParentNucleus); // Store name of parent nucleus, delete G4MT_parent
60 SetBR(branch); 58 SetBR(branch);
61 SetNumberOfDaughters(1); <<
62 SetDaughter(0, theParentNucleus); <<
63 59
64 SetupDecay(theParentNucleus); <<
65 } <<
66 <<
67 void G4ITDecay::SetupDecay(const G4ParticleDef <<
68 { <<
69 theParent = theParentNucleus; <<
70 parentZ = theParentNucleus->GetAtomicNumber( 60 parentZ = theParentNucleus->GetAtomicNumber();
71 parentA = theParentNucleus->GetAtomicMass(); << 61 parentA = theParentNucleus->GetAtomicMass();
>> 62
>> 63 SetNumberOfDaughters(1);
>> 64 G4IonTable* theIonTable =
>> 65 (G4IonTable*)(G4ParticleTable::GetParticleTable()->GetIonTable());
>> 66 SetDaughter(0, theIonTable->GetIon(parentZ, parentA, excitationE, noFloat) );
72 } 67 }
73 68
>> 69
>> 70 G4ITDecay::~G4ITDecay()
>> 71 {}
>> 72
>> 73
74 G4DecayProducts* G4ITDecay::DecayIt(G4double) 74 G4DecayProducts* G4ITDecay::DecayIt(G4double)
75 { 75 {
>> 76 // Fill G4MT_parent with theParentNucleus (stored by SetParent in ctor)
>> 77 CheckAndFillParent();
>> 78
76 // Set up final state 79 // Set up final state
77 // parentParticle is set at rest here becaus 80 // parentParticle is set at rest here because boost with correct momentum
78 // is done later 81 // is done later
79 G4LorentzVector atRest(theParent->GetPDGMass << 82 G4LorentzVector atRest(G4MT_parent->GetPDGMass(),
80 G4DynamicParticle parentParticle(theParent, << 83 G4ThreeVector(0.,0.,0.) );
>> 84 G4DynamicParticle parentParticle(G4MT_parent, atRest);
81 G4DecayProducts* products = new G4DecayProdu 85 G4DecayProducts* products = new G4DecayProducts(parentParticle);
82 86
83 // Let G4PhotonEvaporation do the decay 87 // Let G4PhotonEvaporation do the decay
84 G4Fragment parentNucleus(parentA, parentZ, a 88 G4Fragment parentNucleus(parentA, parentZ, atRest);
85 89
86 // one emission, parent nucleaus become less <<
87 G4Fragment* eOrGamma = photonEvaporation->Em 90 G4Fragment* eOrGamma = photonEvaporation->EmittedFragment(&parentNucleus);
88 91
89 // Modified nuclide is returned as dynDaught 92 // Modified nuclide is returned as dynDaughter
90 auto theIonTable = G4ParticleTable::GetParti << 93 G4IonTable* theIonTable =
>> 94 (G4IonTable*)(G4ParticleTable::GetParticleTable()->GetIonTable() );
91 G4ParticleDefinition* daughterIon = 95 G4ParticleDefinition* daughterIon =
92 theIonTable->GetIon(parentZ, parentA, pare 96 theIonTable->GetIon(parentZ, parentA, parentNucleus.GetExcitationEnergy(),
93 G4Ions::FloatLevelBase 97 G4Ions::FloatLevelBase(parentNucleus.GetFloatingLevelNumber()));
94 G4DynamicParticle* dynDaughter = new G4Dynam 98 G4DynamicParticle* dynDaughter = new G4DynamicParticle(daughterIon,
95 99 parentNucleus.GetMomentum());
96 100
97 if (nullptr != eOrGamma) { << 101 if (eOrGamma) {
98 G4DynamicParticle* eOrGammaDyn = 102 G4DynamicParticle* eOrGammaDyn =
99 new G4DynamicParticle(eOrGamma->GetParti 103 new G4DynamicParticle(eOrGamma->GetParticleDefinition(),
100 eOrGamma->GetMomen 104 eOrGamma->GetMomentum() );
101 eOrGammaDyn->SetProperTime(eOrGamma->GetCr 105 eOrGammaDyn->SetProperTime(eOrGamma->GetCreationTime() );
102 products->PushProducts(eOrGammaDyn); 106 products->PushProducts(eOrGammaDyn);
103 delete eOrGamma; 107 delete eOrGamma;
104 108
105 // Now do atomic relaxation if e- is emitt 109 // Now do atomic relaxation if e- is emitted
106 if (applyARM) { 110 if (applyARM) {
107 G4int shellIndex = photonEvaporation->Ge 111 G4int shellIndex = photonEvaporation->GetVacantShellNumber();
108 if (shellIndex > -1) { 112 if (shellIndex > -1) {
109 G4VAtomDeexcitation* atomDeex = 113 G4VAtomDeexcitation* atomDeex =
110 G4LossTableManager::Instance()->Atom 114 G4LossTableManager::Instance()->AtomDeexcitation();
111 if (atomDeex->IsFluoActive() && parent << 115 if (atomDeex->IsFluoActive() && parentZ > 5 && parentZ < 100) {
112 G4int nShells = G4AtomicShells::GetN 116 G4int nShells = G4AtomicShells::GetNumberOfShells(parentZ);
113 if (shellIndex >= nShells) shellInde 117 if (shellIndex >= nShells) shellIndex = nShells;
114 G4AtomicShellEnumerator as = G4Atomi 118 G4AtomicShellEnumerator as = G4AtomicShellEnumerator(shellIndex);
115 const G4AtomicShell* shell = atomDee 119 const G4AtomicShell* shell = atomDeex->GetAtomicShell(parentZ, as);
116 std::vector<G4DynamicParticle*> armP 120 std::vector<G4DynamicParticle*> armProducts;
117 121
118 // VI, SI 122 // VI, SI
119 // Allows fixing of Bugzilla 1727 123 // Allows fixing of Bugzilla 1727
120 G4double deexLimit = 0.1*keV; 124 G4double deexLimit = 0.1*keV;
121 if (G4EmParameters::Instance()->Deex 125 if (G4EmParameters::Instance()->DeexcitationIgnoreCut()) deexLimit =0.;
122 // 126 //
123 127
124 atomDeex->GenerateParticles(&armProd 128 atomDeex->GenerateParticles(&armProducts, shell, parentZ, deexLimit,
125 129 deexLimit);
126 G4double productEnergy = 0.; 130 G4double productEnergy = 0.;
127 for (G4int i = 0; i < G4int(armProdu 131 for (G4int i = 0; i < G4int(armProducts.size()); i++)
128 productEnergy += armProducts[i]->G 132 productEnergy += armProducts[i]->GetKineticEnergy();
129 133
130 G4double deficit = shell->BindingEne 134 G4double deficit = shell->BindingEnergy() - productEnergy;
131 if (deficit > 0.0) { 135 if (deficit > 0.0) {
132 // Add a dummy electron to make up 136 // Add a dummy electron to make up extra energy
133 G4double cosTh = 1.-2.*G4UniformRa 137 G4double cosTh = 1.-2.*G4UniformRand();
134 G4double sinTh = std::sqrt(1.- cos 138 G4double sinTh = std::sqrt(1.- cosTh*cosTh);
135 G4double phi = twopi*G4UniformRand 139 G4double phi = twopi*G4UniformRand();
136 140
137 G4ThreeVector electronDirection(si 141 G4ThreeVector electronDirection(sinTh*std::sin(phi),
138 si 142 sinTh*std::cos(phi), cosTh);
139 G4DynamicParticle* extra = 143 G4DynamicParticle* extra =
140 new G4DynamicParticle(G4Electron 144 new G4DynamicParticle(G4Electron::Electron(), electronDirection,
141 deficit); 145 deficit);
142 armProducts.push_back(extra); 146 armProducts.push_back(extra);
143 } 147 }
144 148
145 std::size_t nArm = armProducts.size( << 149 G4int nArm = armProducts.size();
146 if (nArm > 0) { 150 if (nArm > 0) {
147 G4ThreeVector bst = dynDaughter->G 151 G4ThreeVector bst = dynDaughter->Get4Momentum().boostVector();
148 for (std::size_t i = 0; i < nArm; << 152 for (G4int i = 0; i < nArm; ++i) {
149 G4DynamicParticle* dp = armProdu 153 G4DynamicParticle* dp = armProducts[i];
150 G4LorentzVector lv = dp->Get4Mom 154 G4LorentzVector lv = dp->Get4Momentum().boost(bst);
151 dp->Set4Momentum(lv); 155 dp->Set4Momentum(lv);
152 products->PushProducts(dp); 156 products->PushProducts(dp);
153 } 157 }
154 } 158 }
155 } 159 }
156 } 160 }
157 } // if ARM on 161 } // if ARM on
158 } // eOrGamma 162 } // eOrGamma
159 163
160 products->PushProducts(dynDaughter); 164 products->PushProducts(dynDaughter);
161 165
162 // Energy conservation check 166 // Energy conservation check
163 /* 167 /*
164 G4int newSize = products->entries(); 168 G4int newSize = products->entries();
165 G4DynamicParticle* temp = 0; 169 G4DynamicParticle* temp = 0;
166 G4double KEsum = 0.0; 170 G4double KEsum = 0.0;
167 for (G4int i = 0; i < newSize; i++) { 171 for (G4int i = 0; i < newSize; i++) {
168 temp = products->operator[](i); 172 temp = products->operator[](i);
169 KEsum += temp->GetKineticEnergy(); 173 KEsum += temp->GetKineticEnergy();
170 } 174 }
171 G4double eCons = G4MT_parent->GetPDGMass() - 175 G4double eCons = G4MT_parent->GetPDGMass() - dynDaughter->GetMass() - KEsum;
172 G4cout << " IT check: Ediff (keV) = " << eCo 176 G4cout << " IT check: Ediff (keV) = " << eCons/keV << G4endl;
173 */ 177 */
174 return products; 178 return products;
175 } 179 }
176 180
177 181
178 void G4ITDecay::DumpNuclearInfo() 182 void G4ITDecay::DumpNuclearInfo()
179 { 183 {
180 if (theParent != nullptr) { << 184 G4cout << " G4ITDecay for parent nucleus " << GetParentName() << G4endl;
181 G4cout << " G4ITDecay for parent nucleus " << 185 G4cout << " decays to " << GetDaughterName(0)
182 } << 186 << " + gammas (or electrons), with branching ratio " << GetBR()
>> 187 << "% and Q value " << transitionQ << G4endl;
183 } 188 }
184 189
185 190