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26 26
27 #include "G4AdjointIonIonisationModel.hh" 27 #include "G4AdjointIonIonisationModel.hh"
28 28
29 #include "G4AdjointCSManager.hh" 29 #include "G4AdjointCSManager.hh"
30 #include "G4AdjointElectron.hh" 30 #include "G4AdjointElectron.hh"
31 #include "G4BetheBlochModel.hh" 31 #include "G4BetheBlochModel.hh"
32 #include "G4BraggIonModel.hh" 32 #include "G4BraggIonModel.hh"
33 #include "G4GenericIon.hh" 33 #include "G4GenericIon.hh"
34 #include "G4NistManager.hh" 34 #include "G4NistManager.hh"
35 #include "G4ParticleChange.hh" 35 #include "G4ParticleChange.hh"
36 #include "G4PhysicalConstants.hh" 36 #include "G4PhysicalConstants.hh"
37 #include "G4SystemOfUnits.hh" 37 #include "G4SystemOfUnits.hh"
38 #include "G4TrackStatus.hh" 38 #include "G4TrackStatus.hh"
39 39
40 ////////////////////////////////////////////// 40 ////////////////////////////////////////////////////////////////////////////////
41 G4AdjointIonIonisationModel::G4AdjointIonIonis 41 G4AdjointIonIonisationModel::G4AdjointIonIonisationModel()
42 : G4VEmAdjointModel("Adjoint_IonIonisation") 42 : G4VEmAdjointModel("Adjoint_IonIonisation")
43 { 43 {
44 fUseMatrix = true; 44 fUseMatrix = true;
45 fUseMatrixPerElement = true; 45 fUseMatrixPerElement = true;
46 fApplyCutInRange = true; 46 fApplyCutInRange = true;
47 fOneMatrixForAllElements = true; 47 fOneMatrixForAllElements = true;
48 fSecondPartSameType = false; 48 fSecondPartSameType = false;
49 49
50 // The direct EM Model is taken as BetheBloc 50 // The direct EM Model is taken as BetheBloch. It is only used for the
51 // computation of the differential cross sec 51 // computation of the differential cross section.
52 // The Bragg model could be used as an alter 52 // The Bragg model could be used as an alternative as it offers the same
53 // differential cross section 53 // differential cross section
54 54
55 fBetheBlochDirectEMModel = new G4BetheBloch 55 fBetheBlochDirectEMModel = new G4BetheBlochModel(G4GenericIon::GenericIon());
56 fBraggIonDirectEMModel = new G4BraggIonMo 56 fBraggIonDirectEMModel = new G4BraggIonModel(G4GenericIon::GenericIon());
57 fAdjEquivDirectSecondPart = G4AdjointElectro 57 fAdjEquivDirectSecondPart = G4AdjointElectron::AdjointElectron();
58 fDirectPrimaryPart = nullptr; 58 fDirectPrimaryPart = nullptr;
59 } 59 }
60 60
61 ////////////////////////////////////////////// 61 ////////////////////////////////////////////////////////////////////////////////
62 G4AdjointIonIonisationModel::~G4AdjointIonIoni 62 G4AdjointIonIonisationModel::~G4AdjointIonIonisationModel() {}
63 63
64 ////////////////////////////////////////////// 64 ////////////////////////////////////////////////////////////////////////////////
65 void G4AdjointIonIonisationModel::SampleSecond 65 void G4AdjointIonIonisationModel::SampleSecondaries(
66 const G4Track& aTrack, G4bool isScatProjToPr 66 const G4Track& aTrack, G4bool isScatProjToProj,
67 G4ParticleChange* fParticleChange) 67 G4ParticleChange* fParticleChange)
68 { 68 {
69 const G4DynamicParticle* theAdjointPrimary = 69 const G4DynamicParticle* theAdjointPrimary = aTrack.GetDynamicParticle();
70 70
71 // Elastic inverse scattering 71 // Elastic inverse scattering
72 G4double adjointPrimKinEnergy = theAdjointPr 72 G4double adjointPrimKinEnergy = theAdjointPrimary->GetKineticEnergy();
73 G4double adjointPrimP = theAdjointPr 73 G4double adjointPrimP = theAdjointPrimary->GetTotalMomentum();
74 74
75 if(adjointPrimKinEnergy > GetHighEnergyLimit 75 if(adjointPrimKinEnergy > GetHighEnergyLimit() * 0.999)
76 { 76 {
77 return; 77 return;
78 } 78 }
79 79
80 // Sample secondary energy 80 // Sample secondary energy
81 G4double projectileKinEnergy = 81 G4double projectileKinEnergy =
82 SampleAdjSecEnergyFromCSMatrix(adjointPrim 82 SampleAdjSecEnergyFromCSMatrix(adjointPrimKinEnergy, isScatProjToProj);
83 // Caution !!!this weight correction should 83 // Caution !!!this weight correction should be always applied
84 CorrectPostStepWeight(fParticleChange, aTrac 84 CorrectPostStepWeight(fParticleChange, aTrack.GetWeight(),
85 adjointPrimKinEnergy, 85 adjointPrimKinEnergy, projectileKinEnergy,
86 isScatProjToProj); 86 isScatProjToProj);
87 87
88 // Kinematics: 88 // Kinematics:
89 // we consider a two body elastic scattering 89 // we consider a two body elastic scattering for the forward processes where
90 // the projectile knock on an e- at rest and 90 // the projectile knock on an e- at rest and gives it part of its energy
91 G4double projectileM0 = fAdjEquivDi 91 G4double projectileM0 = fAdjEquivDirectPrimPart->GetPDGMass();
92 G4double projectileTotalEnergy = projectileM 92 G4double projectileTotalEnergy = projectileM0 + projectileKinEnergy;
93 G4double projectileP2 = 93 G4double projectileP2 =
94 projectileTotalEnergy * projectileTotalEne 94 projectileTotalEnergy * projectileTotalEnergy - projectileM0 * projectileM0;
95 95
96 // Companion 96 // Companion
97 G4double companionM0 = fAdjEquivDirectPrimPa 97 G4double companionM0 = fAdjEquivDirectPrimPart->GetPDGMass();
98 if(isScatProjToProj) 98 if(isScatProjToProj)
99 { 99 {
100 companionM0 = fAdjEquivDirectSecondPart->G 100 companionM0 = fAdjEquivDirectSecondPart->GetPDGMass();
101 } 101 }
102 G4double companionTotalEnergy = 102 G4double companionTotalEnergy =
103 companionM0 + projectileKinEnergy - adjoin 103 companionM0 + projectileKinEnergy - adjointPrimKinEnergy;
104 G4double companionP2 = 104 G4double companionP2 =
105 companionTotalEnergy * companionTotalEnerg 105 companionTotalEnergy * companionTotalEnergy - companionM0 * companionM0;
106 106
107 // Projectile momentum 107 // Projectile momentum
108 G4double P_parallel = 108 G4double P_parallel =
109 (adjointPrimP * adjointPrimP + projectileP 109 (adjointPrimP * adjointPrimP + projectileP2 - companionP2) /
110 (2. * adjointPrimP); 110 (2. * adjointPrimP);
111 G4double P_perp = std::sqrt(projectileP2 - P 111 G4double P_perp = std::sqrt(projectileP2 - P_parallel * P_parallel);
112 G4ThreeVector dir_parallel = theAdjointPrima 112 G4ThreeVector dir_parallel = theAdjointPrimary->GetMomentumDirection();
113 G4double phi = G4UniformRand() 113 G4double phi = G4UniformRand() * twopi;
114 G4ThreeVector projectileMomentum = 114 G4ThreeVector projectileMomentum =
115 G4ThreeVector(P_perp * std::cos(phi), P_pe 115 G4ThreeVector(P_perp * std::cos(phi), P_perp * std::sin(phi), P_parallel);
116 projectileMomentum.rotateUz(dir_parallel); 116 projectileMomentum.rotateUz(dir_parallel);
117 117
118 if(!isScatProjToProj) 118 if(!isScatProjToProj)
119 { // kill the primary and add a secondary 119 { // kill the primary and add a secondary
120 fParticleChange->ProposeTrackStatus(fStopA 120 fParticleChange->ProposeTrackStatus(fStopAndKill);
121 fParticleChange->AddSecondary( 121 fParticleChange->AddSecondary(
122 new G4DynamicParticle(fAdjEquivDirectPri 122 new G4DynamicParticle(fAdjEquivDirectPrimPart, projectileMomentum));
123 } 123 }
124 else 124 else
125 { 125 {
126 fParticleChange->ProposeEnergy(projectileK 126 fParticleChange->ProposeEnergy(projectileKinEnergy);
127 fParticleChange->ProposeMomentumDirection( 127 fParticleChange->ProposeMomentumDirection(projectileMomentum.unit());
128 } 128 }
129 } 129 }
130 130
131 ////////////////////////////////////////////// 131 ////////////////////////////////////////////////////////////////////////////////
132 G4double G4AdjointIonIonisationModel::DiffCros 132 G4double G4AdjointIonIonisationModel::DiffCrossSectionPerAtomPrimToSecond(
133 G4double kinEnergyProj, G4double kinEnergyPr 133 G4double kinEnergyProj, G4double kinEnergyProd, G4double Z, G4double A)
134 { 134 {
135 // Probably that here the Bragg Model should 135 // Probably that here the Bragg Model should be also used for
136 // kinEnergyProj/nuc<2MeV 136 // kinEnergyProj/nuc<2MeV
137 G4double dSigmadEprod = 0.; 137 G4double dSigmadEprod = 0.;
138 G4double Emax_proj = GetSecondAdjEnergyMa 138 G4double Emax_proj = GetSecondAdjEnergyMaxForProdToProj(kinEnergyProd);
139 G4double Emin_proj = GetSecondAdjEnergyMi 139 G4double Emin_proj = GetSecondAdjEnergyMinForProdToProj(kinEnergyProd);
140 140
141 G4double kinEnergyProjScaled = fMassRatio * 141 G4double kinEnergyProjScaled = fMassRatio * kinEnergyProj;
142 142
143 // the produced particle should have a kinet 143 // the produced particle should have a kinetic energy smaller than the
144 // projectile 144 // projectile
145 if(kinEnergyProj > Emin_proj && kinEnergyPro 145 if(kinEnergyProj > Emin_proj && kinEnergyProj <= Emax_proj)
146 { 146 {
147 G4double Tmax = kinEnergyProj; 147 G4double Tmax = kinEnergyProj;
148 148
149 G4double E1 = kinEnergyProd; 149 G4double E1 = kinEnergyProd;
150 G4double E2 = kinEnergyProd * 1.000001; 150 G4double E2 = kinEnergyProd * 1.000001;
151 G4double dE = (E2 - E1); 151 G4double dE = (E2 - E1);
152 G4double sigma1, sigma2; 152 G4double sigma1, sigma2;
153 fDirectModel = fBraggIonDirectEMModel; 153 fDirectModel = fBraggIonDirectEMModel;
154 if(kinEnergyProjScaled > 2. * MeV && !fUse 154 if(kinEnergyProjScaled > 2. * MeV && !fUseOnlyBragg)
155 fDirectModel = fBetheBlochDirectEMModel; 155 fDirectModel = fBetheBlochDirectEMModel;
156 sigma1 = fDirectModel->ComputeCrossSection 156 sigma1 = fDirectModel->ComputeCrossSectionPerAtom(
157 fDirectPrimaryPart, kinEnergyProj, Z, A, 157 fDirectPrimaryPart, kinEnergyProj, Z, A, E1, 1.e20);
158 sigma2 = fDirectModel->ComputeCrossSection 158 sigma2 = fDirectModel->ComputeCrossSectionPerAtom(
159 fDirectPrimaryPart, kinEnergyProj, Z, A, 159 fDirectPrimaryPart, kinEnergyProj, Z, A, E2, 1.e20);
160 160
161 dSigmadEprod = (sigma1 - sigma2) / dE; 161 dSigmadEprod = (sigma1 - sigma2) / dE;
162 162
163 if(dSigmadEprod > 1.) 163 if(dSigmadEprod > 1.)
164 { 164 {
165 G4cout << "sigma1 " << kinEnergyProj / M 165 G4cout << "sigma1 " << kinEnergyProj / MeV << '\t' << kinEnergyProd / MeV
166 << '\t' << sigma1 << G4endl; 166 << '\t' << sigma1 << G4endl;
167 G4cout << "sigma2 " << kinEnergyProj / M 167 G4cout << "sigma2 " << kinEnergyProj / MeV << '\t' << kinEnergyProd / MeV
168 << '\t' << sigma2 << G4endl; 168 << '\t' << sigma2 << G4endl;
169 G4cout << "dsigma " << kinEnergyProj / M 169 G4cout << "dsigma " << kinEnergyProj / MeV << '\t' << kinEnergyProd / MeV
170 << '\t' << dSigmadEprod << G4endl 170 << '\t' << dSigmadEprod << G4endl;
171 } 171 }
172 172
173 if(fDirectModel == fBetheBlochDirectEMMode 173 if(fDirectModel == fBetheBlochDirectEMModel)
174 { 174 {
175 // correction of differential cross sect 175 // correction of differential cross section at high energy to correct for
176 // the suppression of particle at second 176 // the suppression of particle at secondary at high energy used in the
177 // Bethe Bloch Model. This correction co 177 // Bethe Bloch Model. This correction consist to multiply by g the
178 // probability function used to test the 178 // probability function used to test the rejection of a secondary Source
179 // code taken from G4BetheBlochModel::Sa 179 // code taken from G4BetheBlochModel::SampleSecondaries
180 180
181 G4double deltaKinEnergy = kinEnergyProd; 181 G4double deltaKinEnergy = kinEnergyProd;
182 182
183 G4double x = fFormFact * deltaKinEnergy; 183 G4double x = fFormFact * deltaKinEnergy;
184 if(x > 1.e-6) 184 if(x > 1.e-6)
185 { 185 {
186 G4double totEnergy = kinEnergyProj + f 186 G4double totEnergy = kinEnergyProj + fMass;
187 G4double etot2 = totEnergy * totEn 187 G4double etot2 = totEnergy * totEnergy;
188 G4double beta2 = kinEnergyProj * (kinE 188 G4double beta2 = kinEnergyProj * (kinEnergyProj + 2.0 * fMass) / etot2;
189 G4double f1 = 0.0; 189 G4double f1 = 0.0;
190 G4double f = 1.0 - beta2 * deltaKi 190 G4double f = 1.0 - beta2 * deltaKinEnergy / Tmax;
191 if(0.5 == fSpin) 191 if(0.5 == fSpin)
192 { 192 {
193 f1 = 0.5 * deltaKinEnergy * deltaKin 193 f1 = 0.5 * deltaKinEnergy * deltaKinEnergy / etot2;
194 f += f1; 194 f += f1;
195 } 195 }
196 G4double x1 = 1.0 + x; 196 G4double x1 = 1.0 + x;
197 G4double gg = 1.0 / (x1 * x1); 197 G4double gg = 1.0 / (x1 * x1);
198 if(0.5 == fSpin) 198 if(0.5 == fSpin)
199 { 199 {
200 G4double x2 = 200 G4double x2 =
201 0.5 * electron_mass_c2 * deltaKinE 201 0.5 * electron_mass_c2 * deltaKinEnergy / (fMass * fMass);
202 gg *= (1.0 + fMagMoment2 * (x2 - f1 202 gg *= (1.0 + fMagMoment2 * (x2 - f1 / f) / (1.0 + x2));
203 } 203 }
204 if(gg > 1.0) 204 if(gg > 1.0)
205 { 205 {
206 G4cout << "### G4BetheBlochModel in 206 G4cout << "### G4BetheBlochModel in Adjoint Sim WARNING: gg= " << gg
207 << G4endl; 207 << G4endl;
208 gg = 1.; 208 gg = 1.;
209 } 209 }
210 dSigmadEprod *= gg; 210 dSigmadEprod *= gg;
211 } 211 }
212 } 212 }
213 } 213 }
214 return dSigmadEprod; 214 return dSigmadEprod;
215 } 215 }
216 216
217 ////////////////////////////////////////////// 217 ////////////////////////////////////////////////////////////////////////////////
218 void G4AdjointIonIonisationModel::SetIon(G4Par 218 void G4AdjointIonIonisationModel::SetIon(G4ParticleDefinition* adj_ion,
219 G4Par 219 G4ParticleDefinition* fwd_ion)
220 { 220 {
221 fDirectPrimaryPart = fwd_ion; 221 fDirectPrimaryPart = fwd_ion;
222 fAdjEquivDirectPrimPart = adj_ion; 222 fAdjEquivDirectPrimPart = adj_ion;
223 223
224 DefineProjectileProperty(); 224 DefineProjectileProperty();
225 } 225 }
226 226
227 ////////////////////////////////////////////// 227 ////////////////////////////////////////////////////////////////////////////////
228 void G4AdjointIonIonisationModel::CorrectPostS 228 void G4AdjointIonIonisationModel::CorrectPostStepWeight(
229 G4ParticleChange* fParticleChange, G4double 229 G4ParticleChange* fParticleChange, G4double old_weight,
230 G4double adjointPrimKinEnergy, G4double proj 230 G4double adjointPrimKinEnergy, G4double projectileKinEnergy, G4bool)
231 { 231 {
232 // It is needed because the direct cross sec 232 // It is needed because the direct cross section used to compute the
233 // differential cross section is not the one 233 // differential cross section is not the one used in
234 // the direct model where the GenericIon stu 234 // the direct model where the GenericIon stuff is considered with correction
235 // of effective charge. In the direct model 235 // of effective charge. In the direct model the samnepl of secondaries does
236 // not reflect the integral cross section. T 236 // not reflect the integral cross section. The integral fwd cross section that
237 // we used to compute the differential CS ma 237 // we used to compute the differential CS match the sample of secondaries in
238 // the forward case despite the fact that it 238 // the forward case despite the fact that its is not the same total CS than in
239 // the FWD case. For this reason an extra we 239 // the FWD case. For this reason an extra weight correction is needed at the
240 // end. 240 // end.
241 241
242 G4double new_weight = old_weight; 242 G4double new_weight = old_weight;
243 243
244 // the correction of CS due to the problem e 244 // the correction of CS due to the problem explained above
245 G4double kinEnergyProjScaled = fMassRatio * 245 G4double kinEnergyProjScaled = fMassRatio * projectileKinEnergy;
246 fDirectModel = fBraggIonDire 246 fDirectModel = fBraggIonDirectEMModel;
247 if(kinEnergyProjScaled > 2. * MeV && !fUseOn 247 if(kinEnergyProjScaled > 2. * MeV && !fUseOnlyBragg)
248 fDirectModel = fBetheBlochDirectEMModel; 248 fDirectModel = fBetheBlochDirectEMModel;
249 G4double UsedFwdCS = fDirectModel->ComputeCr 249 G4double UsedFwdCS = fDirectModel->ComputeCrossSectionPerAtom(
250 fDirectPrimaryPart, projectileKinEnergy, 1 250 fDirectPrimaryPart, projectileKinEnergy, 1, 1, fTcutSecond, 1.e20);
251 G4double chargeSqRatio = 1.; 251 G4double chargeSqRatio = 1.;
252 if(fChargeSquare > 1.) 252 if(fChargeSquare > 1.)
253 chargeSqRatio = fDirectModel->GetChargeSqu 253 chargeSqRatio = fDirectModel->GetChargeSquareRatio(
254 fDirectPrimaryPart, fCurrentMaterial, pr 254 fDirectPrimaryPart, fCurrentMaterial, projectileKinEnergy);
255 G4double CorrectFwdCS = 255 G4double CorrectFwdCS =
256 chargeSqRatio * fDirectModel->ComputeCross 256 chargeSqRatio * fDirectModel->ComputeCrossSectionPerAtom(
257 G4GenericIon::GenericIon 257 G4GenericIon::GenericIon(), kinEnergyProjScaled, 1, 1,
258 fTcutSecond, 1.e20); 258 fTcutSecond, 1.e20);
259 // May be some check is needed if UsedFwdCS 259 // May be some check is needed if UsedFwdCS ==0 probably that then we should
260 // avoid a secondary to be produced, 260 // avoid a secondary to be produced,
261 if(UsedFwdCS > 0.) 261 if(UsedFwdCS > 0.)
262 new_weight *= CorrectFwdCS / UsedFwdCS; 262 new_weight *= CorrectFwdCS / UsedFwdCS;
263 263
264 // additional CS correction needed for cross 264 // additional CS correction needed for cross section biasing in general.
265 // May be wrong for ions. Most of the time n 265 // May be wrong for ions. Most of the time not used.
266 new_weight *= 266 new_weight *=
267 G4AdjointCSManager::GetAdjointCSManager()- 267 G4AdjointCSManager::GetAdjointCSManager()->GetPostStepWeightCorrection() /
268 fCsBiasingFactor; 268 fCsBiasingFactor;
269 269
270 new_weight *= projectileKinEnergy / adjointP 270 new_weight *= projectileKinEnergy / adjointPrimKinEnergy;
271 271
272 fParticleChange->SetParentWeightByProcess(fa 272 fParticleChange->SetParentWeightByProcess(false);
273 fParticleChange->SetSecondaryWeightByProcess 273 fParticleChange->SetSecondaryWeightByProcess(false);
274 fParticleChange->ProposeParentWeight(new_wei 274 fParticleChange->ProposeParentWeight(new_weight);
275 } 275 }
276 276
277 ////////////////////////////////////////////// 277 ////////////////////////////////////////////////////////////////////////////////
278 void G4AdjointIonIonisationModel::DefineProjec 278 void G4AdjointIonIonisationModel::DefineProjectileProperty()
279 { 279 {
280 // Slightly modified code taken from G4Bethe 280 // Slightly modified code taken from G4BetheBlochModel::SetParticle
281 G4String pname = fDirectPrimaryPart->GetPart 281 G4String pname = fDirectPrimaryPart->GetParticleName();
282 282
283 fMass = fDirectPrimaryPart->GetPDG 283 fMass = fDirectPrimaryPart->GetPDGMass();
284 fMassRatio = G4GenericIon::GenericIon() 284 fMassRatio = G4GenericIon::GenericIon()->GetPDGMass() / fMass;
285 fSpin = fDirectPrimaryPart->GetPDG 285 fSpin = fDirectPrimaryPart->GetPDGSpin();
286 G4double q = fDirectPrimaryPart->GetPDG 286 G4double q = fDirectPrimaryPart->GetPDGCharge() / eplus;
287 fChargeSquare = q * q; 287 fChargeSquare = q * q;
288 fRatio = electron_mass_c2 / fMass; 288 fRatio = electron_mass_c2 / fMass;
289 fOnePlusRatio2 = (1. + fRatio) * (1. + fRat 289 fOnePlusRatio2 = (1. + fRatio) * (1. + fRatio);
290 fOneMinusRatio2 = (1. - fRatio) * (1. - fRat 290 fOneMinusRatio2 = (1. - fRatio) * (1. - fRatio);
291 G4double magmom = fDirectPrimaryPart->GetPDG 291 G4double magmom = fDirectPrimaryPart->GetPDGMagneticMoment() * fMass /
292 (0.5 * eplus * hbar_Planck 292 (0.5 * eplus * hbar_Planck * c_squared);
293 fMagMoment2 = magmom * magmom - 1.0; 293 fMagMoment2 = magmom * magmom - 1.0;
294 if(fDirectPrimaryPart->GetLeptonNumber() == 294 if(fDirectPrimaryPart->GetLeptonNumber() == 0)
295 { 295 {
296 G4double x = 0.8426 * GeV; 296 G4double x = 0.8426 * GeV;
297 if(fSpin == 0.0 && fMass < GeV) 297 if(fSpin == 0.0 && fMass < GeV)
298 { 298 {
299 x = 0.736 * GeV; 299 x = 0.736 * GeV;
300 } 300 }
301 else if(fMass > GeV) 301 else if(fMass > GeV)
302 { 302 {
303 x /= G4NistManager::Instance()->GetZ13(f 303 x /= G4NistManager::Instance()->GetZ13(fMass / proton_mass_c2);
304 } 304 }
305 fFormFact = 2.0 * electron_mass_c2 / (x * 305 fFormFact = 2.0 * electron_mass_c2 / (x * x);
306 } 306 }
307 } 307 }
308 308
309 ////////////////////////////////////////////// 309 //////////////////////////////////////////////////////////////////////////////
310 G4double G4AdjointIonIonisationModel::GetSecon 310 G4double G4AdjointIonIonisationModel::GetSecondAdjEnergyMaxForScatProjToProj(
311 G4double primAdjEnergy) 311 G4double primAdjEnergy)
312 { 312 {
313 return primAdjEnergy * fOnePlusRatio2 / 313 return primAdjEnergy * fOnePlusRatio2 /
314 (fOneMinusRatio2 - 2. * fRatio * prim 314 (fOneMinusRatio2 - 2. * fRatio * primAdjEnergy / fMass);
315 } 315 }
316 316
317 ////////////////////////////////////////////// 317 //////////////////////////////////////////////////////////////////////////////
318 G4double G4AdjointIonIonisationModel::GetSecon 318 G4double G4AdjointIonIonisationModel::GetSecondAdjEnergyMinForScatProjToProj(
319 G4double primAdjEnergy, G4double tcut) 319 G4double primAdjEnergy, G4double tcut)
320 { 320 {
321 return primAdjEnergy + tcut; 321 return primAdjEnergy + tcut;
322 } 322 }
323 323
324 ////////////////////////////////////////////// 324 //////////////////////////////////////////////////////////////////////////////
325 G4double G4AdjointIonIonisationModel::GetSecon 325 G4double G4AdjointIonIonisationModel::GetSecondAdjEnergyMaxForProdToProj(
326 G4double) 326 G4double)
327 { 327 {
328 return GetHighEnergyLimit(); 328 return GetHighEnergyLimit();
329 } 329 }
330 330
331 ////////////////////////////////////////////// 331 //////////////////////////////////////////////////////////////////////////////
332 G4double G4AdjointIonIonisationModel::GetSecon 332 G4double G4AdjointIonIonisationModel::GetSecondAdjEnergyMinForProdToProj(
333 G4double primAdjEnergy) 333 G4double primAdjEnergy)
334 { 334 {
335 return (2. * primAdjEnergy - 4. * fMass + 335 return (2. * primAdjEnergy - 4. * fMass +
336 std::sqrt(4. * primAdjEnergy * primA 336 std::sqrt(4. * primAdjEnergy * primAdjEnergy + 16. * fMass * fMass +
337 8. * primAdjEnergy * fMass 337 8. * primAdjEnergy * fMass * (1. / fRatio + fRatio))) /
338 4.; 338 4.;
339 } 339 }
340 340