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