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25 // 25 //
26 // G4RKFieldIntegrator 26 // G4RKFieldIntegrator
27 #include "G4RKFieldIntegrator.hh" 27 #include "G4RKFieldIntegrator.hh"
28 #include "G4PhysicalConstants.hh" <<
29 #include "G4SystemOfUnits.hh" <<
30 #include "G4NucleiProperties.hh" 28 #include "G4NucleiProperties.hh"
31 #include "G4FermiMomentum.hh" 29 #include "G4FermiMomentum.hh"
32 #include "G4NuclearFermiDensity.hh" 30 #include "G4NuclearFermiDensity.hh"
33 #include "G4NuclearShellModelDensity.hh" 31 #include "G4NuclearShellModelDensity.hh"
34 #include "G4Nucleon.hh" 32 #include "G4Nucleon.hh"
35 #include "G4Exp.hh" <<
36 #include "G4Log.hh" <<
37 #include "G4Pow.hh" <<
38 33
39 // Class G4RKFieldIntegrator << 34 // Class G4RKFieldIntegrator
40 //******************************************** 35 //*************************************************************************************************************************************
41 36
42 // only theActive are propagated, nothing else 37 // only theActive are propagated, nothing else
43 // only theSpectators define the field, nothin 38 // only theSpectators define the field, nothing else
44 39
45 void G4RKFieldIntegrator::Transport(G4KineticT 40 void G4RKFieldIntegrator::Transport(G4KineticTrackVector &theActive, const G4KineticTrackVector &theSpectators, G4double theTimeStep)
46 { 41 {
47 (void)theActive; 42 (void)theActive;
48 (void)theSpectators; 43 (void)theSpectators;
49 (void)theTimeStep; 44 (void)theTimeStep;
50 } 45 }
51 46
52 47
53 G4double G4RKFieldIntegrator::CalculateTotalEn 48 G4double G4RKFieldIntegrator::CalculateTotalEnergy(const G4KineticTrackVector& Barions)
54 { 49 {
55 const G4double Alpha = 0.25/fermi/fermi; 50 const G4double Alpha = 0.25/fermi/fermi;
56 const G4double t1 = -7264.04*fermi*ferm 51 const G4double t1 = -7264.04*fermi*fermi*fermi;
57 const G4double tGamma = 87.65*fermi*fermi* 52 const G4double tGamma = 87.65*fermi*fermi*fermi*fermi*fermi*fermi;
58 // const G4double Gamma = 1.676; 53 // const G4double Gamma = 1.676;
59 const G4double Vo = -0.498*fermi; 54 const G4double Vo = -0.498*fermi;
60 const G4double GammaY = 1.4*fermi; 55 const G4double GammaY = 1.4*fermi;
61 56
62 G4double Etot = 0; 57 G4double Etot = 0;
63 G4int nBarion = (G4int)Barions.size(); << 58 G4int nBarion = Barions.size();
64 for(G4int c1 = 0; c1 < nBarion; ++c1) << 59 for(G4int c1 = 0; c1 < nBarion; c1++)
65 { 60 {
66 G4KineticTrack* p1 = Barions.operator[]( 61 G4KineticTrack* p1 = Barions.operator[](c1);
67 // Ekin 62 // Ekin
68 Etot += p1->Get4Momentum().e(); 63 Etot += p1->Get4Momentum().e();
69 for(G4int c2 = c1 + 1; c2 < nBarion; ++c << 64 for(G4int c2 = c1 + 1; c2 < nBarion; c2++)
70 { 65 {
71 G4KineticTrack* p2 = Barions.operator 66 G4KineticTrack* p2 = Barions.operator[](c2);
72 G4double r12 = (p1->GetPosition() - p << 67 G4ThreeVector rv = p1->GetPosition() - p2->GetPosition();
>> 68 G4double r12 = std::sqrt(rv*rv)*fermi;
73 69
74 // Esk2 70 // Esk2
75 Etot += t1*G4Pow::GetInstance()->A23( << 71 Etot += t1*std::pow(Alpha/pi, 3/2)*std::exp(-Alpha*r12*r12);
76 72
77 // Eyuk 73 // Eyuk
78 Etot += Vo*0.5/r12*G4Exp(1/(4*Alpha*G << 74 Etot += Vo*0.5/r12*std::exp(1/(4*Alpha*GammaY*GammaY))*
79 (G4Exp(-r12/GammaY)*(1 - Erf(0.5/G << 75 (std::exp(-r12/GammaY)*(1 - Erf(0.5/GammaY/std::sqrt(Alpha) - std::sqrt(Alpha)*r12)) -
80 G4Exp( r12/GammaY)*(1 - Erf(0.5/G << 76 std::exp( r12/GammaY)*(1 - Erf(0.5/GammaY/std::sqrt(Alpha) + std::sqrt(Alpha)*r12)));
81 77
82 // Ecoul << 78 // Ecoul
83 Etot += 1.44*p1->GetDefinition()->Get 79 Etot += 1.44*p1->GetDefinition()->GetPDGCharge()*p2->GetDefinition()->GetPDGCharge()/r12*Erf(std::sqrt(Alpha)*r12);
84 80
85 // Epaul 81 // Epaul
86 Etot = 0; 82 Etot = 0;
87 83
88 for(G4int c3 = c2 + 1; c3 < nBarion; 84 for(G4int c3 = c2 + 1; c3 < nBarion; c3++)
89 { 85 {
90 G4KineticTrack* p3 = Barions.opera 86 G4KineticTrack* p3 = Barions.operator[](c3);
91 G4double r13 = (p1->GetPosition() << 87 G4ThreeVector rv = p1->GetPosition() - p3->GetPosition();
>> 88 G4double r13 = std::sqrt(rv*rv)*fermi;
92 89
93 // Esk3 90 // Esk3
94 Etot = tGamma*G4Pow::GetInstance( << 91 Etot = tGamma*std::pow(4*Alpha*Alpha/3/pi/pi, 1.5)*std::exp(-Alpha*(r12*r12 + r13*r13));
95 } 92 }
96 } 93 }
97 } << 94 }
98 return Etot; 95 return Etot;
99 } << 96 }
100 97
101 //******************************************** << 98 //************************************************************************************************
102 // originated from the Numerical recipes error 99 // originated from the Numerical recipes error function
103 G4double G4RKFieldIntegrator::Erf(G4double X) 100 G4double G4RKFieldIntegrator::Erf(G4double X)
104 { 101 {
105 const G4double Z1 = 1; 102 const G4double Z1 = 1;
106 const G4double HF = Z1/2; 103 const G4double HF = Z1/2;
107 const G4double C1 = 0.56418958; 104 const G4double C1 = 0.56418958;
108 105
109 const G4double P10 = +3.6767877; 106 const G4double P10 = +3.6767877;
110 const G4double Q10 = +3.2584593; 107 const G4double Q10 = +3.2584593;
111 const G4double P11 = -9.7970465E-2; 108 const G4double P11 = -9.7970465E-2;
112 109
113 // static G4ThreadLocal G4double P2[5] = { 7 << 110 static G4double P2[5] = { 7.3738883, 6.8650185, 3.0317993, 0.56316962, 4.3187787e-5 };
114 // static G4ThreadLocal G4double Q2[5] = { 7 << 111 static G4double Q2[5] = { 7.3739609, 15.184908, 12.79553, 5.3542168, 1. };
115 const G4double P2[5] = { 7.3738883, 6.86501 << 112
116 const G4double Q2[5] = { 7.3739609, 15.1849 <<
117 <<
118 const G4double P30 = -1.2436854E-1; 113 const G4double P30 = -1.2436854E-1;
119 const G4double Q30 = +4.4091706E-1; 114 const G4double Q30 = +4.4091706E-1;
120 const G4double P31 = -9.6821036E-2; 115 const G4double P31 = -9.6821036E-2;
121 116
122 G4double V = std::abs(X); 117 G4double V = std::abs(X);
123 G4double H; << 118 G4double H;
124 G4double Y; 119 G4double Y;
125 G4int c1; 120 G4int c1;
126 << 121
127 if(V < HF) 122 if(V < HF)
128 { 123 {
129 Y = V*V; 124 Y = V*V;
130 H = X*(P10 + P11*Y)/(Q10+Y); 125 H = X*(P10 + P11*Y)/(Q10+Y);
131 } 126 }
132 else 127 else
133 { 128 {
134 if(V < 4) << 129 if(V < 4)
135 { 130 {
136 G4double AP = P2[4]; 131 G4double AP = P2[4];
137 G4double AQ = Q2[4]; 132 G4double AQ = Q2[4];
138 for(c1 = 3; c1 >= 0; c1--) 133 for(c1 = 3; c1 >= 0; c1--)
139 { 134 {
140 AP = P2[c1] + V*AP; 135 AP = P2[c1] + V*AP;
141 AQ = Q2[c1] + V*AQ; 136 AQ = Q2[c1] + V*AQ;
142 } 137 }
143 H = 1 - G4Exp(-V*V)*AP/AQ; << 138 H = 1 - std::exp(-V*V)*AP/AQ;
144 } 139 }
145 else 140 else
146 { 141 {
147 Y = 1./V*V; 142 Y = 1./V*V;
148 H = 1 - G4Exp(-V*V)*(C1+Y*(P30 + P31*Y << 143 H = 1 - std::exp(-V*V)*(C1+Y*(P30 + P31*Y)/(Q30 + Y))/V;
149 } 144 }
150 if (X < 0) << 145 if (X < 0)
151 H = -H; << 146 H =- H;
152 } 147 }
153 return H; 148 return H;
154 } 149 }
155 << 150
156 //******************************************** << 151 //************************************************************************************************
157 //This is a QMD version to calculate excitatio 152 //This is a QMD version to calculate excitation energy of a fragment,
158 //which consists from G4KTV &the Particles 153 //which consists from G4KTV &the Particles
159 /* 154 /*
160 G4double G4RKFieldIntegrator::GetExcitationEne 155 G4double G4RKFieldIntegrator::GetExcitationEnergy(const G4KineticTrackVector &theParticles)
161 { 156 {
162 // Excitation energy of a fragment consisti 157 // Excitation energy of a fragment consisting from A nucleons and Z protons
163 // is Etot - Z*Mp - (A - Z)*Mn - B(A, Z), w << 158 // is Etot - Z*Mp - (A - Z)*Mn - B(A, Z), where B(A,Z) is the binding energy of fragment
164 // and Mp, Mn are proton and neutron mass, << 159 // and Mp, Mn are proton and neutron mass, respectively.
165 G4int NZ = 0; 160 G4int NZ = 0;
166 G4int NA = 0; 161 G4int NA = 0;
167 G4double Etot = CalculateTotalEnergy(thePar 162 G4double Etot = CalculateTotalEnergy(theParticles);
168 for(G4int cParticle = 0; cParticle < thePar 163 for(G4int cParticle = 0; cParticle < theParticles.length(); cParticle++)
169 { 164 {
170 G4KineticTrack* pKineticTrack = theParti 165 G4KineticTrack* pKineticTrack = theParticles.at(cParticle);
171 G4int Encoding = std::abs(pKineticTrack 166 G4int Encoding = std::abs(pKineticTrack->GetDefinition()->GetPDGEncoding());
172 if (Encoding == 2212) 167 if (Encoding == 2212)
173 NZ++, NA++; 168 NZ++, NA++;
174 if (Encoding == 2112) 169 if (Encoding == 2112)
175 NA++; 170 NA++;
176 Etot -= pKineticTrack->GetDefinition()-> 171 Etot -= pKineticTrack->GetDefinition()->GetPDGMass();
177 } 172 }
178 return Etot - G4NucleiProperties::GetBindin 173 return Etot - G4NucleiProperties::GetBindingEnergy(NZ, NA);
179 } 174 }
180 */ 175 */
181 176
182 //******************************************** 177 //*************************************************************************************************************************************
183 //This is a simplified method to get excitatio << 178 //This is a simplified method to get excitation energy of a residual
184 // nucleus with nHitNucleons. 179 // nucleus with nHitNucleons.
185 G4double G4RKFieldIntegrator::GetExcitationEne 180 G4double G4RKFieldIntegrator::GetExcitationEnergy(G4int nHitNucleons, const G4KineticTrackVector &)
186 { 181 {
187 const G4double MeanE = 50; 182 const G4double MeanE = 50;
188 G4double Sum = 0; 183 G4double Sum = 0;
189 for(G4int c1 = 0; c1 < nHitNucleons; ++c1) << 184 for(G4int c1 = 0; c1 < nHitNucleons; c1++)
190 { 185 {
191 Sum += -MeanE*G4Log(G4UniformRand()); << 186 Sum += -MeanE*std::log(G4UniformRand());
192 } 187 }
193 return Sum; 188 return Sum;
194 } 189 }
195 //******************************************** 190 //*************************************************************************************************************************************
196 191
197 /* 192 /*
198 //This is free propagation of particles for CA 193 //This is free propagation of particles for CASCADE mode. Target nucleons should be frozen
199 void G4RKFieldIntegrator::Integrate(G4KineticT 194 void G4RKFieldIntegrator::Integrate(G4KineticTrackVector& theParticles)
200 { 195 {
201 for(G4int cParticle = 0; cParticle < thePar << 196 for(G4int cParticle = 0; cParticle < theParticles.length(); cParticle++)
202 { 197 {
203 G4KineticTrack* pKineticTrack = theParti 198 G4KineticTrack* pKineticTrack = theParticles.at(cParticle);
204 pKineticTrack->SetPosition(pKineticTrack 199 pKineticTrack->SetPosition(pKineticTrack->GetPosition() + theTimeStep*pKineticTrack->Get4Momentum().boostVector());
205 } 200 }
206 } 201 }
207 */ << 202 */
208 //******************************************** 203 //*************************************************************************************************************************************
209 204
210 void G4RKFieldIntegrator::Integrate(const G4Ki 205 void G4RKFieldIntegrator::Integrate(const G4KineticTrackVector& theBarions, G4double theTimeStep)
211 { 206 {
212 for(std::size_t cParticle = 0; cParticle < << 207 for(size_t cParticle = 0; cParticle < theBarions.size(); cParticle++)
213 { 208 {
214 G4KineticTrack* pKineticTrack = theBario 209 G4KineticTrack* pKineticTrack = theBarions[cParticle];
215 pKineticTrack->SetPosition(pKineticTrack 210 pKineticTrack->SetPosition(pKineticTrack->GetPosition() + theTimeStep*pKineticTrack->Get4Momentum().boostVector());
216 } << 211 }
217 } 212 }
218 << 213
219 //******************************************** 214 //*************************************************************************************************************************************
220 215
221 // constant to calculate theCoulomb barrier 216 // constant to calculate theCoulomb barrier
222 const G4double G4RKFieldIntegrator::coulomb = 217 const G4double G4RKFieldIntegrator::coulomb = 1.44 / 1.14 * MeV;
223 218
224 // kaon's potential constant (real part only) 219 // kaon's potential constant (real part only)
225 // 0.35 + i0.82 or 0.63 + i0.89 fermi 220 // 0.35 + i0.82 or 0.63 + i0.89 fermi
226 const G4double G4RKFieldIntegrator::a_kaon = 0 221 const G4double G4RKFieldIntegrator::a_kaon = 0.35;
227 222
228 // pion's potential constant (real part only) 223 // pion's potential constant (real part only)
229 //!! for pions it has todiffer from kaons 224 //!! for pions it has todiffer from kaons
230 // 0.35 + i0.82 or 0.63 + i0.89 fermi 225 // 0.35 + i0.82 or 0.63 + i0.89 fermi
231 const G4double G4RKFieldIntegrator::a_pion = 0 226 const G4double G4RKFieldIntegrator::a_pion = 0.35;
232 227
233 // antiproton's potential constant (real part 228 // antiproton's potential constant (real part only)
234 // 1.53 + i2.50 fermi 229 // 1.53 + i2.50 fermi
235 const G4double G4RKFieldIntegrator::a_antiprot 230 const G4double G4RKFieldIntegrator::a_antiproton = 1.53;
236 231
237 // methods for calculating potentials for diff 232 // methods for calculating potentials for different types of particles
238 // aPosition is relative to the nucleus center 233 // aPosition is relative to the nucleus center
239 G4double G4RKFieldIntegrator::GetNeutronPotent 234 G4double G4RKFieldIntegrator::GetNeutronPotential(G4double )
240 { 235 {
241 /* 236 /*
242 const G4double Mn = 939.56563 * MeV; // ma 237 const G4double Mn = 939.56563 * MeV; // mass of nuetron
243 238
244 G4VNuclearDensity *theDencity; 239 G4VNuclearDensity *theDencity;
245 if(theA < 17) theDencity = new G4NuclearShe 240 if(theA < 17) theDencity = new G4NuclearShellModelDensity(theA, theZ);
246 else theDencity = new G4NuclearFer 241 else theDencity = new G4NuclearFermiDensity(theA, theZ);
247 << 242
248 // GetDencity() accepts only G4ThreeVector << 243 // GetDencity() accepts only G4ThreeVector so build it:
249 G4ThreeVector aPosition(0.0, 0.0, radius); 244 G4ThreeVector aPosition(0.0, 0.0, radius);
250 G4double density = theDencity->GetDensity(a 245 G4double density = theDencity->GetDensity(aPosition);
251 delete theDencity; 246 delete theDencity;
252 << 247
253 G4FermiMomentum *fm = new G4FermiMomentum() 248 G4FermiMomentum *fm = new G4FermiMomentum();
254 fm->Init(theA, theZ); 249 fm->Init(theA, theZ);
255 G4double fermiMomentum = fm->GetFermiMoment 250 G4double fermiMomentum = fm->GetFermiMomentum(density);
256 delete fm; 251 delete fm;
257 << 252
258 return sqr(fermiMomentum)/(2 * Mn) << 253 return sqr(fermiMomentum)/(2 * Mn)
259 + G4CreateNucleus::GetBindingEnergy(theZ 254 + G4CreateNucleus::GetBindingEnergy(theZ, theA)/theA;
260 //+ G4NucleiProperties::GetBindingEnergy 255 //+ G4NucleiProperties::GetBindingEnergy(theZ, theA)/theA;
261 */ 256 */
262 << 257
263 return 0.0; 258 return 0.0;
264 } 259 }
265 260
266 G4double G4RKFieldIntegrator::GetProtonPotenti 261 G4double G4RKFieldIntegrator::GetProtonPotential(G4double )
267 { 262 {
268 /* 263 /*
269 // calculate Coulomb barrier value 264 // calculate Coulomb barrier value
270 G4double theCoulombBarrier = coulomb * theZ << 265 G4double theCoulombBarrier = coulomb * theZ/(1. + std::pow(theA, 1./3.));
271 const G4double Mp = 938.27231 * MeV; // ma 266 const G4double Mp = 938.27231 * MeV; // mass of proton
272 267
273 G4VNuclearDensity *theDencity; 268 G4VNuclearDensity *theDencity;
274 if(theA < 17) theDencity = new G4NuclearShe 269 if(theA < 17) theDencity = new G4NuclearShellModelDensity(theA, theZ);
275 else theDencity = new G4NuclearFer 270 else theDencity = new G4NuclearFermiDensity(theA, theZ);
276 << 271
277 // GetDencity() accepts only G4ThreeVector << 272 // GetDencity() accepts only G4ThreeVector so build it:
278 G4ThreeVector aPosition(0.0, 0.0, radius); 273 G4ThreeVector aPosition(0.0, 0.0, radius);
279 G4double density = theDencity->GetDensity(a 274 G4double density = theDencity->GetDensity(aPosition);
280 delete theDencity; 275 delete theDencity;
281 << 276
282 G4FermiMomentum *fm = new G4FermiMomentum() 277 G4FermiMomentum *fm = new G4FermiMomentum();
283 fm->Init(theA, theZ); 278 fm->Init(theA, theZ);
284 G4double fermiMomentum = fm->GetFermiMoment 279 G4double fermiMomentum = fm->GetFermiMomentum(density);
285 delete fm; 280 delete fm;
286 281
287 return sqr(fermiMomentum)/ (2 * Mp) << 282 return sqr(fermiMomentum)/ (2 * Mp)
288 + G4CreateNucleus::GetBindingEnergy(theZ 283 + G4CreateNucleus::GetBindingEnergy(theZ, theA)/theA;
289 //+ G4NucleiProperties::GetBindingEnergy << 284 //+ G4NucleiProperties::GetBindingEnergy(theZ, theA)/theA
290 + theCoulombBarrier; 285 + theCoulombBarrier;
291 */ 286 */
292 287
293 return 0.0; 288 return 0.0;
294 } 289 }
295 290
296 G4double G4RKFieldIntegrator::GetAntiprotonPot 291 G4double G4RKFieldIntegrator::GetAntiprotonPotential(G4double )
297 { 292 {
298 /* 293 /*
299 //G4double theM = G4NucleiProperties::GetAt 294 //G4double theM = G4NucleiProperties::GetAtomicMass(theA, theZ);
300 G4double theM = theZ * G4Proton::Proton()-> << 295 G4double theM = theZ * G4Proton::Proton()->GetPDGMass()
301 + (theA - theZ) * G4Neutron::Neutron()-> 296 + (theA - theZ) * G4Neutron::Neutron()->GetPDGMass()
302 + G4CreateNucleus::GetBindingEnergy(theZ 297 + G4CreateNucleus::GetBindingEnergy(theZ, theA);
303 << 298
304 const G4double Mp = 938.27231 * MeV; // ma 299 const G4double Mp = 938.27231 * MeV; // mass of proton
305 G4double mu = (theM * Mp)/(theM + Mp); 300 G4double mu = (theM * Mp)/(theM + Mp);
306 << 301
307 // antiproton's potential coefficient 302 // antiproton's potential coefficient
308 // V = coeff_antiproton * nucleus_density 303 // V = coeff_antiproton * nucleus_density
309 G4double coeff_antiproton = -2.*pi/mu * (1. 304 G4double coeff_antiproton = -2.*pi/mu * (1. + Mp) * a_antiproton;
310 << 305
311 G4VNuclearDensity *theDencity; 306 G4VNuclearDensity *theDencity;
312 if(theA < 17) theDencity = new G4NuclearShe 307 if(theA < 17) theDencity = new G4NuclearShellModelDensity(theA, theZ);
313 else theDencity = new G4NuclearFer 308 else theDencity = new G4NuclearFermiDensity(theA, theZ);
314 << 309
315 // GetDencity() accepts only G4ThreeVector << 310 // GetDencity() accepts only G4ThreeVector so build it:
316 G4ThreeVector aPosition(0.0, 0.0, radius); 311 G4ThreeVector aPosition(0.0, 0.0, radius);
317 G4double density = theDencity->GetDensity(a 312 G4double density = theDencity->GetDensity(aPosition);
318 delete theDencity; 313 delete theDencity;
319 << 314
320 return coeff_antiproton * density; 315 return coeff_antiproton * density;
321 */ 316 */
322 317
323 return 0.0; 318 return 0.0;
324 } 319 }
325 320
326 G4double G4RKFieldIntegrator::GetKaonPotential 321 G4double G4RKFieldIntegrator::GetKaonPotential(G4double )
327 { 322 {
328 /* 323 /*
329 //G4double theM = G4NucleiProperties::GetAt 324 //G4double theM = G4NucleiProperties::GetAtomicMass(theA, theZ);
330 G4double theM = theZ * G4Proton::Proton()-> << 325 G4double theM = theZ * G4Proton::Proton()->GetPDGMass()
331 + (theA - theZ) * G4Neutron::Neutron()-> 326 + (theA - theZ) * G4Neutron::Neutron()->GetPDGMass()
332 + G4CreateNucleus::GetBindingEnergy(theZ 327 + G4CreateNucleus::GetBindingEnergy(theZ, theA);
333 << 328
334 const G4double Mk = 496. * MeV; // ma 329 const G4double Mk = 496. * MeV; // mass of "kaon"
335 G4double mu = (theM * Mk)/(theM + Mk); 330 G4double mu = (theM * Mk)/(theM + Mk);
336 << 331
337 // kaon's potential coefficient 332 // kaon's potential coefficient
338 // V = coeff_kaon * nucleus_density 333 // V = coeff_kaon * nucleus_density
339 G4double coeff_kaon = -2.*pi/mu * (1. + Mk/ 334 G4double coeff_kaon = -2.*pi/mu * (1. + Mk/theM) * a_kaon;
340 << 335
341 G4VNuclearDensity *theDencity; 336 G4VNuclearDensity *theDencity;
342 if(theA < 17) theDencity = new G4NuclearShe 337 if(theA < 17) theDencity = new G4NuclearShellModelDensity(theA, theZ);
343 else theDencity = new G4NuclearFer 338 else theDencity = new G4NuclearFermiDensity(theA, theZ);
344 << 339
345 // GetDencity() accepts only G4ThreeVector << 340 // GetDencity() accepts only G4ThreeVector so build it:
346 G4ThreeVector aPosition(0.0, 0.0, radius); 341 G4ThreeVector aPosition(0.0, 0.0, radius);
347 G4double density = theDencity->GetDensity(a 342 G4double density = theDencity->GetDensity(aPosition);
348 delete theDencity; 343 delete theDencity;
349 << 344
350 return coeff_kaon * density; 345 return coeff_kaon * density;
351 */ 346 */
352 347
353 return 0.0; 348 return 0.0;
354 } 349 }
355 350
356 G4double G4RKFieldIntegrator::GetPionPotential 351 G4double G4RKFieldIntegrator::GetPionPotential(G4double )
357 { 352 {
358 /* 353 /*
359 //G4double theM = G4NucleiProperties::GetAt 354 //G4double theM = G4NucleiProperties::GetAtomicMass(theA, theZ);
360 G4double theM = theZ * G4Proton::Proton()-> << 355 G4double theM = theZ * G4Proton::Proton()->GetPDGMass()
361 + (theA - theZ) * G4Neutron::Neutron()-> 356 + (theA - theZ) * G4Neutron::Neutron()->GetPDGMass()
362 + G4CreateNucleus::GetBindingEnergy(theZ 357 + G4CreateNucleus::GetBindingEnergy(theZ, theA);
363 << 358
364 const G4double Mpi = 139. * MeV; // ma 359 const G4double Mpi = 139. * MeV; // mass of "pion"
365 G4double mu = (theM * Mpi)/(theM + Mpi); 360 G4double mu = (theM * Mpi)/(theM + Mpi);
366 361
367 // pion's potential coefficient 362 // pion's potential coefficient
368 // V = coeff_pion * nucleus_density 363 // V = coeff_pion * nucleus_density
369 G4double coeff_pion = -2.*pi/mu * (1. + Mpi 364 G4double coeff_pion = -2.*pi/mu * (1. + Mpi) * a_pion;
370 << 365
371 G4VNuclearDensity *theDencity; 366 G4VNuclearDensity *theDencity;
372 if(theA < 17) theDencity = new G4NuclearShe 367 if(theA < 17) theDencity = new G4NuclearShellModelDensity(theA, theZ);
373 else theDencity = new G4NuclearFer 368 else theDencity = new G4NuclearFermiDensity(theA, theZ);
374 << 369
375 // GetDencity() accepts only G4ThreeVector << 370 // GetDencity() accepts only G4ThreeVector so build it:
376 G4ThreeVector aPosition(0.0, 0.0, radius); 371 G4ThreeVector aPosition(0.0, 0.0, radius);
377 G4double density = theDencity->GetDensity(a 372 G4double density = theDencity->GetDensity(aPosition);
378 delete theDencity; 373 delete theDencity;
379 << 374
380 return coeff_pion * density; 375 return coeff_pion * density;
381 */ 376 */
382 377
383 return 0.0; 378 return 0.0;
384 } 379 }
385 380