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26 // 26 //
27 // Geant4 Header : G4HadronElastic 27 // Geant4 Header : G4HadronElastic
28 // 28 //
29 // Author : V.Ivanchenko 29 June 2009 (redesig 29 // Author : V.Ivanchenko 29 June 2009 (redesign old elastic model)
30 // 30 //
31 31
32 #include "G4HadronElastic.hh" 32 #include "G4HadronElastic.hh"
33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
34 #include "G4ParticleTable.hh" 34 #include "G4ParticleTable.hh"
35 #include "G4ParticleDefinition.hh" 35 #include "G4ParticleDefinition.hh"
36 #include "G4IonTable.hh" 36 #include "G4IonTable.hh"
37 #include "Randomize.hh" 37 #include "Randomize.hh"
38 #include "G4Proton.hh" 38 #include "G4Proton.hh"
39 #include "G4Neutron.hh" 39 #include "G4Neutron.hh"
40 #include "G4Deuteron.hh" 40 #include "G4Deuteron.hh"
41 #include "G4Alpha.hh" 41 #include "G4Alpha.hh"
42 #include "G4Pow.hh" 42 #include "G4Pow.hh"
43 #include "G4Exp.hh" 43 #include "G4Exp.hh"
44 #include "G4Log.hh" 44 #include "G4Log.hh"
45 #include "G4HadronicParameters.hh" 45 #include "G4HadronicParameters.hh"
46 #include "G4PhysicsModelCatalog.hh" <<
47 46
48 47
49 G4HadronElastic::G4HadronElastic(const G4Strin 48 G4HadronElastic::G4HadronElastic(const G4String& name)
50 : G4HadronicInteraction(name), secID(-1) << 49 : G4HadronicInteraction(name)
51 { 50 {
52 SetMinEnergy( 0.0*GeV ); 51 SetMinEnergy( 0.0*GeV );
53 SetMaxEnergy( G4HadronicParameters::Instance 52 SetMaxEnergy( G4HadronicParameters::Instance()->GetMaxEnergy() );
54 lowestEnergyLimit= 1.e-6*eV; 53 lowestEnergyLimit= 1.e-6*eV;
55 pLocalTmax = 0.0; 54 pLocalTmax = 0.0;
56 nwarn = 0; 55 nwarn = 0;
57 56
58 theProton = G4Proton::Proton(); 57 theProton = G4Proton::Proton();
59 theNeutron = G4Neutron::Neutron(); 58 theNeutron = G4Neutron::Neutron();
60 theDeuteron = G4Deuteron::Deuteron(); 59 theDeuteron = G4Deuteron::Deuteron();
61 theAlpha = G4Alpha::Alpha(); 60 theAlpha = G4Alpha::Alpha();
62 <<
63 secID = G4PhysicsModelCatalog::GetModelID( " <<
64 } 61 }
65 62
66 G4HadronElastic::~G4HadronElastic() 63 G4HadronElastic::~G4HadronElastic()
67 {} 64 {}
68 65
69 66
70 void G4HadronElastic::ModelDescription(std::os 67 void G4HadronElastic::ModelDescription(std::ostream& outFile) const
71 { 68 {
72 outFile << "G4HadronElastic is the base clas 69 outFile << "G4HadronElastic is the base class for all hadron-nucleus\n"
73 << "elastic scattering models except 70 << "elastic scattering models except HP.\n"
74 << "By default it uses the Gheisha t 71 << "By default it uses the Gheisha two-exponential momentum\n"
75 << "transfer parameterization. The model 72 << "transfer parameterization. The model is fully relativistic\n"
76 << "as opposed to the original Gheisha mod 73 << "as opposed to the original Gheisha model which was not.\n"
77 << "This model may be used for all long-li 74 << "This model may be used for all long-lived hadrons at all\n"
78 << "incident energies but fit the data onl 75 << "incident energies but fit the data only for relativistic scattering.\n";
79 } 76 }
80 77
81 G4HadFinalState* G4HadronElastic::ApplyYoursel 78 G4HadFinalState* G4HadronElastic::ApplyYourself(
82 const G4HadProjectile& aTrack, G4Nucleus& 79 const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
83 { 80 {
84 theParticleChange.Clear(); 81 theParticleChange.Clear();
85 82
86 const G4HadProjectile* aParticle = &aTrack; 83 const G4HadProjectile* aParticle = &aTrack;
87 G4double ekin = aParticle->GetKineticEnergy( 84 G4double ekin = aParticle->GetKineticEnergy();
88 85
89 // no scattering below the limit 86 // no scattering below the limit
90 if(ekin <= lowestEnergyLimit) { 87 if(ekin <= lowestEnergyLimit) {
91 theParticleChange.SetEnergyChange(ekin); 88 theParticleChange.SetEnergyChange(ekin);
92 theParticleChange.SetMomentumChange(0.,0., 89 theParticleChange.SetMomentumChange(0.,0.,1.);
93 return &theParticleChange; 90 return &theParticleChange;
94 } 91 }
95 92
96 G4int A = targetNucleus.GetA_asInt(); 93 G4int A = targetNucleus.GetA_asInt();
97 G4int Z = targetNucleus.GetZ_asInt(); 94 G4int Z = targetNucleus.GetZ_asInt();
98 95
99 // Scattered particle referred to axis of in 96 // Scattered particle referred to axis of incident particle
100 const G4ParticleDefinition* theParticle = aP 97 const G4ParticleDefinition* theParticle = aParticle->GetDefinition();
101 G4double m1 = theParticle->GetPDGMass(); 98 G4double m1 = theParticle->GetPDGMass();
102 G4double plab = std::sqrt(ekin*(ekin + 2.0*m 99 G4double plab = std::sqrt(ekin*(ekin + 2.0*m1));
103 100
104 if (verboseLevel>1) { 101 if (verboseLevel>1) {
105 G4cout << "G4HadronElastic: " 102 G4cout << "G4HadronElastic: "
106 << aParticle->GetDefinition()->GetParticl 103 << aParticle->GetDefinition()->GetParticleName()
107 << " Plab(GeV/c)= " << plab/GeV 104 << " Plab(GeV/c)= " << plab/GeV
108 << " Ekin(MeV) = " << ekin/MeV 105 << " Ekin(MeV) = " << ekin/MeV
109 << " scattered off Z= " << Z 106 << " scattered off Z= " << Z
110 << " A= " << A 107 << " A= " << A
111 << G4endl; 108 << G4endl;
112 } 109 }
113 110
114 G4double mass2 = G4NucleiProperties::GetNucl 111 G4double mass2 = G4NucleiProperties::GetNuclearMass(A, Z);
115 G4double e1 = m1 + ekin; 112 G4double e1 = m1 + ekin;
116 G4LorentzVector lv(0.0,0.0,plab,e1+mass2); 113 G4LorentzVector lv(0.0,0.0,plab,e1+mass2);
117 G4ThreeVector bst = lv.boostVector(); 114 G4ThreeVector bst = lv.boostVector();
118 G4double momentumCMS = plab*mass2/std::sqrt( 115 G4double momentumCMS = plab*mass2/std::sqrt(m1*m1 + mass2*mass2 + 2.*mass2*e1);
119 116
120 pLocalTmax = 4.0*momentumCMS*momentumCMS; 117 pLocalTmax = 4.0*momentumCMS*momentumCMS;
121 118
122 // Sampling in CM system 119 // Sampling in CM system
123 G4double t = SampleInvariantT(theParticle, p 120 G4double t = SampleInvariantT(theParticle, plab, Z, A);
124 121
125 if(t < 0.0 || t > pLocalTmax) { 122 if(t < 0.0 || t > pLocalTmax) {
126 // For the very rare cases where cos(theta 123 // For the very rare cases where cos(theta) is greater than 1 or smaller than -1,
127 // print some debugging information via a 124 // print some debugging information via a "JustWarning" exception, and resample
128 // using the default algorithm 125 // using the default algorithm
129 #ifdef G4VERBOSE 126 #ifdef G4VERBOSE
130 if(nwarn < 2) { 127 if(nwarn < 2) {
131 G4ExceptionDescription ed; 128 G4ExceptionDescription ed;
132 ed << GetModelName() << " wrong sampling 129 ed << GetModelName() << " wrong sampling t= " << t << " tmax= " << pLocalTmax
133 << " for " << aParticle->GetDefinition()->G 130 << " for " << aParticle->GetDefinition()->GetParticleName()
134 << " ekin=" << ekin << " MeV" 131 << " ekin=" << ekin << " MeV"
135 << " off (Z,A)=(" << Z << "," << A << ") - 132 << " off (Z,A)=(" << Z << "," << A << ") - will be resampled" << G4endl;
136 G4Exception( "G4HadronElastic::ApplyYour 133 G4Exception( "G4HadronElastic::ApplyYourself", "hadEla001", JustWarning, ed);
137 ++nwarn; 134 ++nwarn;
138 } 135 }
139 #endif 136 #endif
140 t = G4HadronElastic::SampleInvariantT(theP 137 t = G4HadronElastic::SampleInvariantT(theParticle, plab, Z, A);
141 } 138 }
142 139
143 G4double phi = G4UniformRand()*CLHEP::twopi 140 G4double phi = G4UniformRand()*CLHEP::twopi;
144 G4double cost = 1. - 2.0*t/pLocalTmax; 141 G4double cost = 1. - 2.0*t/pLocalTmax;
145 142
146 if (cost > 1.0) { cost = 1.0; } 143 if (cost > 1.0) { cost = 1.0; }
147 else if(cost < -1.0) { cost = -1.0; } 144 else if(cost < -1.0) { cost = -1.0; }
148 145
149 G4double sint = std::sqrt((1.0-cost)*(1.0+co 146 G4double sint = std::sqrt((1.0-cost)*(1.0+cost));
150 147
151 if (verboseLevel>1) { 148 if (verboseLevel>1) {
152 G4cout << " t= " << t << " tmax(GeV^2)= " 149 G4cout << " t= " << t << " tmax(GeV^2)= " << pLocalTmax/(GeV*GeV)
153 << " Pcms(GeV)= " << momentumCMS/GeV << " 150 << " Pcms(GeV)= " << momentumCMS/GeV << " cos(t)=" << cost
154 << " sin(t)=" << sint << G4endl; 151 << " sin(t)=" << sint << G4endl;
155 } 152 }
156 G4LorentzVector nlv1(momentumCMS*sint*std::c 153 G4LorentzVector nlv1(momentumCMS*sint*std::cos(phi),
157 momentumCMS*sint*std::sin(phi), 154 momentumCMS*sint*std::sin(phi),
158 momentumCMS*cost, 155 momentumCMS*cost,
159 std::sqrt(momentumCMS*momentumCMS + 156 std::sqrt(momentumCMS*momentumCMS + m1*m1));
160 157
161 nlv1.boost(bst); 158 nlv1.boost(bst);
162 159
163 G4double eFinal = nlv1.e() - m1; 160 G4double eFinal = nlv1.e() - m1;
164 if (verboseLevel > 1) { 161 if (verboseLevel > 1) {
165 G4cout <<"G4HadronElastic: m= " << m1 << " 162 G4cout <<"G4HadronElastic: m= " << m1 << " Efin(MeV)= " << eFinal
166 << " 4-M Final: " << nlv1 163 << " 4-M Final: " << nlv1
167 << G4endl; 164 << G4endl;
168 } 165 }
169 166
170 if(eFinal <= 0.0) { 167 if(eFinal <= 0.0) {
171 theParticleChange.SetMomentumChange(0.0,0. 168 theParticleChange.SetMomentumChange(0.0,0.0,1.0);
172 theParticleChange.SetEnergyChange(0.0); 169 theParticleChange.SetEnergyChange(0.0);
173 } else { 170 } else {
174 theParticleChange.SetMomentumChange(nlv1.v 171 theParticleChange.SetMomentumChange(nlv1.vect().unit());
175 theParticleChange.SetEnergyChange(eFinal); 172 theParticleChange.SetEnergyChange(eFinal);
176 } 173 }
177 lv -= nlv1; 174 lv -= nlv1;
178 G4double erec = std::max(lv.e() - mass2, 0. 175 G4double erec = std::max(lv.e() - mass2, 0.0);
179 if (verboseLevel > 1) { 176 if (verboseLevel > 1) {
180 G4cout << "Recoil: " <<" m= " << mass2 << 177 G4cout << "Recoil: " <<" m= " << mass2 << " Erec(MeV)= " << erec
181 << " 4-mom: " << lv 178 << " 4-mom: " << lv
182 << G4endl; 179 << G4endl;
183 } 180 }
184 181
185 // the recoil is created if kinetic energy a 182 // the recoil is created if kinetic energy above the threshold
186 if(erec > GetRecoilEnergyThreshold()) { 183 if(erec > GetRecoilEnergyThreshold()) {
187 G4ParticleDefinition * theDef = nullptr; 184 G4ParticleDefinition * theDef = nullptr;
188 if(Z == 1 && A == 1) { theDef = theP 185 if(Z == 1 && A == 1) { theDef = theProton; }
189 else if (Z == 1 && A == 2) { theDef = theD 186 else if (Z == 1 && A == 2) { theDef = theDeuteron; }
190 else if (Z == 1 && A == 3) { theDef = G4Tr 187 else if (Z == 1 && A == 3) { theDef = G4Triton::Triton(); }
191 else if (Z == 2 && A == 3) { theDef = G4He 188 else if (Z == 2 && A == 3) { theDef = G4He3::He3(); }
192 else if (Z == 2 && A == 4) { theDef = theA 189 else if (Z == 2 && A == 4) { theDef = theAlpha; }
193 else { 190 else {
194 theDef = 191 theDef =
195 G4ParticleTable::GetParticleTable()->GetIonT 192 G4ParticleTable::GetParticleTable()->GetIonTable()->GetIon(Z,A,0.0);
196 } 193 }
197 G4DynamicParticle * aSec = new G4DynamicPa 194 G4DynamicParticle * aSec = new G4DynamicParticle(theDef, lv.vect().unit(), erec);
198 theParticleChange.AddSecondary(aSec, secID << 195 theParticleChange.AddSecondary(aSec);
199 } else { 196 } else {
200 theParticleChange.SetLocalEnergyDeposit(er 197 theParticleChange.SetLocalEnergyDeposit(erec);
201 } 198 }
202 199
203 return &theParticleChange; 200 return &theParticleChange;
204 } 201 }
205 202
206 // sample momentum transfer in the CMS system 203 // sample momentum transfer in the CMS system
207 G4double 204 G4double
208 G4HadronElastic::SampleInvariantT(const G4Part 205 G4HadronElastic::SampleInvariantT(const G4ParticleDefinition* part,
209 G4double mom, G4int, G4int A) 206 G4double mom, G4int, G4int A)
210 { 207 {
211 const G4double plabLowLimit = 400.0*CLHEP::M 208 const G4double plabLowLimit = 400.0*CLHEP::MeV;
212 const G4double GeV2 = GeV*GeV; 209 const G4double GeV2 = GeV*GeV;
213 const G4double z07in13 = std::pow(0.7, 0.333 210 const G4double z07in13 = std::pow(0.7, 0.3333333333);
214 const G4double numLimit = 18.; <<
215 211
216 G4int pdg = std::abs(part->GetPDGEncoding()) 212 G4int pdg = std::abs(part->GetPDGEncoding());
217 G4double tmax = pLocalTmax/GeV2; 213 G4double tmax = pLocalTmax/GeV2;
218 214
219 G4double aa, bb, cc, dd; 215 G4double aa, bb, cc, dd;
220 G4Pow* g4pow = G4Pow::GetInstance(); 216 G4Pow* g4pow = G4Pow::GetInstance();
221 if (A <= 62) { 217 if (A <= 62) {
222 if (pdg == 211){ //Pions 218 if (pdg == 211){ //Pions
223 if(mom >= plabLowLimit){ //High ener 219 if(mom >= plabLowLimit){ //High energy
224 bb = 14.5*g4pow->Z23(A);/*14.5*/ 220 bb = 14.5*g4pow->Z23(A);/*14.5*/
225 dd = 10.; 221 dd = 10.;
226 cc = 0.075*g4pow->Z13(A)/dd;//1.4 222 cc = 0.075*g4pow->Z13(A)/dd;//1.4
227 //aa = g4pow->powZ(A, 1.93)/bb;//1.63 223 //aa = g4pow->powZ(A, 1.93)/bb;//1.63
228 aa = (A*A)/bb;//1.63 224 aa = (A*A)/bb;//1.63
229 } else { //Low ene 225 } else { //Low energy
230 bb = 29.*z07in13*z07in13*g4pow->Z23(A); 226 bb = 29.*z07in13*z07in13*g4pow->Z23(A);
231 dd = 15.; 227 dd = 15.;
232 cc = 0.04*g4pow->Z13(A)/dd;//1.4 228 cc = 0.04*g4pow->Z13(A)/dd;//1.4
233 aa = g4pow->powZ(A, 1.63)/bb;//1.63 229 aa = g4pow->powZ(A, 1.63)/bb;//1.63
234 } 230 }
235 } else { //Other particles 231 } else { //Other particles
236 bb = 14.5*g4pow->Z23(A); 232 bb = 14.5*g4pow->Z23(A);
237 dd = 20.; 233 dd = 20.;
238 aa = (A*A)/bb;//1.63 234 aa = (A*A)/bb;//1.63
239 cc = 1.4*g4pow->Z13(A)/dd; 235 cc = 1.4*g4pow->Z13(A)/dd;
240 } 236 }
241 //=========================== 237 //===========================
242 } else { //(A>62) 238 } else { //(A>62)
243 if (pdg == 211) { 239 if (pdg == 211) {
244 if(mom >= plabLowLimit){ //high 240 if(mom >= plabLowLimit){ //high
245 bb = 60.*z07in13*g4pow->Z13(A);//60 241 bb = 60.*z07in13*g4pow->Z13(A);//60
246 dd = 30.; 242 dd = 30.;
247 aa = 0.5*(A*A)/bb;//1.33 243 aa = 0.5*(A*A)/bb;//1.33
248 cc = 4.*g4pow->powZ(A,0.4)/dd;//1:0.4 -- 244 cc = 4.*g4pow->powZ(A,0.4)/dd;//1:0.4 --- 2: 0.4
249 } else { //low 245 } else { //low
250 bb = 120.*z07in13*g4pow->Z13(A);//60 246 bb = 120.*z07in13*g4pow->Z13(A);//60
251 dd = 30.; 247 dd = 30.;
252 aa = 2.*g4pow->powZ(A,1.33)/bb; 248 aa = 2.*g4pow->powZ(A,1.33)/bb;
253 cc = 4.*g4pow->powZ(A,0.4)/dd;//1:0.4 -- 249 cc = 4.*g4pow->powZ(A,0.4)/dd;//1:0.4 --- 2: 0.4
254 } 250 }
255 } else { 251 } else {
256 bb = 60.*g4pow->Z13(A); 252 bb = 60.*g4pow->Z13(A);
257 dd = 25.; 253 dd = 25.;
258 aa = g4pow->powZ(A,1.33)/bb;//1.33 254 aa = g4pow->powZ(A,1.33)/bb;//1.33
259 cc = 0.2*g4pow->powZ(A,0.4)/dd;//1:0.4 255 cc = 0.2*g4pow->powZ(A,0.4)/dd;//1:0.4 --- 2: 0.4
260 } 256 }
261 } 257 }
262 G4double q1 = 1.0 - G4Exp(-std::min(bb*tmax, << 258 G4double q1 = 1.0 - G4Exp(-bb*tmax);
263 G4double q2 = 1.0 - G4Exp(-std::min(dd*tmax, << 259 G4double q2 = 1.0 - G4Exp(-dd*tmax);
264 G4double s1 = q1*aa; 260 G4double s1 = q1*aa;
265 G4double s2 = q2*cc; 261 G4double s2 = q2*cc;
266 if((s1 + s2)*G4UniformRand() < s2) { 262 if((s1 + s2)*G4UniformRand() < s2) {
267 q1 = q2; 263 q1 = q2;
268 bb = dd; 264 bb = dd;
269 } 265 }
270 return -GeV2*G4Log(1.0 - G4UniformRand()*q1) 266 return -GeV2*G4Log(1.0 - G4UniformRand()*q1)/bb;
271 } 267 }
272 268
273 ////////////////////////////////////////////// 269 //////////////////////////////////////////////
274 // 270 //
275 // Cofs for s-,c-,b-particles ds/dt slopes 271 // Cofs for s-,c-,b-particles ds/dt slopes
276 272
277 G4double G4HadronElastic::GetSlopeCof(const G4 273 G4double G4HadronElastic::GetSlopeCof(const G4int pdg )
278 { 274 {
279 // The input parameter "pdg" should be the a 275 // The input parameter "pdg" should be the absolute value of the PDG code
280 // (i.e. the same value for a particle and i 276 // (i.e. the same value for a particle and its antiparticle).
281 277
282 G4double coeff = 1.0; 278 G4double coeff = 1.0;
283 279
284 // heavy barions 280 // heavy barions
285 281
286 static const G4double lBarCof1S = 0.88; 282 static const G4double lBarCof1S = 0.88;
287 static const G4double lBarCof2S = 0.76; 283 static const G4double lBarCof2S = 0.76;
288 static const G4double lBarCof3S = 0.64; 284 static const G4double lBarCof3S = 0.64;
289 static const G4double lBarCof1C = 0.784378 285 static const G4double lBarCof1C = 0.784378;
290 static const G4double lBarCofSC = 0.664378 286 static const G4double lBarCofSC = 0.664378;
291 static const G4double lBarCof2SC = 0.544378 287 static const G4double lBarCof2SC = 0.544378;
292 static const G4double lBarCof1B = 0.740659 288 static const G4double lBarCof1B = 0.740659;
293 static const G4double lBarCofSB = 0.620659 289 static const G4double lBarCofSB = 0.620659;
294 static const G4double lBarCof2SB = 0.500659 290 static const G4double lBarCof2SB = 0.500659;
295 291
296 if( pdg == 3122 || pdg == 3222 || pdg == 31 292 if( pdg == 3122 || pdg == 3222 || pdg == 3112 || pdg == 3212 )
297 { 293 {
298 coeff = lBarCof1S; // Lambda, Sigma+, Sigm 294 coeff = lBarCof1S; // Lambda, Sigma+, Sigma-, Sigma0
299 295
300 } else if( pdg == 3322 || pdg == 3312 ) 296 } else if( pdg == 3322 || pdg == 3312 )
301 { 297 {
302 coeff = lBarCof2S; // Xi-, Xi0 298 coeff = lBarCof2S; // Xi-, Xi0
303 } 299 }
304 else if( pdg == 3324) 300 else if( pdg == 3324)
305 { 301 {
306 coeff = lBarCof3S; // Omega 302 coeff = lBarCof3S; // Omega
307 } 303 }
308 else if( pdg == 4122 || pdg == 4212 || pd 304 else if( pdg == 4122 || pdg == 4212 || pdg == 4222 || pdg == 4112 )
309 { 305 {
310 coeff = lBarCof1C; // LambdaC+, SigmaC+, S 306 coeff = lBarCof1C; // LambdaC+, SigmaC+, SigmaC++, SigmaC0
311 } 307 }
312 else if( pdg == 4332 ) 308 else if( pdg == 4332 )
313 { 309 {
314 coeff = lBarCof2SC; // OmegaC 310 coeff = lBarCof2SC; // OmegaC
315 } 311 }
316 else if( pdg == 4232 || pdg == 4132 ) 312 else if( pdg == 4232 || pdg == 4132 )
317 { 313 {
318 coeff = lBarCofSC; // XiC+, XiC0 314 coeff = lBarCofSC; // XiC+, XiC0
319 } 315 }
320 else if( pdg == 5122 || pdg == 5222 || pdg = 316 else if( pdg == 5122 || pdg == 5222 || pdg == 5112 || pdg == 5212 )
321 { 317 {
322 coeff = lBarCof1B; // LambdaB, SigmaB+, Si 318 coeff = lBarCof1B; // LambdaB, SigmaB+, SigmaB-, SigmaB0
323 } 319 }
324 else if( pdg == 5332 ) 320 else if( pdg == 5332 )
325 { 321 {
326 coeff = lBarCof2SB; // OmegaB- 322 coeff = lBarCof2SB; // OmegaB-
327 } 323 }
328 else if( pdg == 5132 || pdg == 5232 ) // XiB 324 else if( pdg == 5132 || pdg == 5232 ) // XiB-, XiB0
329 { 325 {
330 coeff = lBarCofSB; 326 coeff = lBarCofSB;
331 } 327 }
332 // heavy mesons Kaons? 328 // heavy mesons Kaons?
333 static const G4double lMesCof1S = 0.82; // K 329 static const G4double lMesCof1S = 0.82; // Kp/piP kaons?
334 static const G4double llMesCof1C = 0.676568; 330 static const G4double llMesCof1C = 0.676568;
335 static const G4double llMesCof1B = 0.610989; 331 static const G4double llMesCof1B = 0.610989;
336 static const G4double llMesCof2C = 0.353135; 332 static const G4double llMesCof2C = 0.353135;
337 static const G4double llMesCof2B = 0.221978; 333 static const G4double llMesCof2B = 0.221978;
338 static const G4double llMesCofSC = 0.496568; 334 static const G4double llMesCofSC = 0.496568;
339 static const G4double llMesCofSB = 0.430989; 335 static const G4double llMesCofSB = 0.430989;
340 static const G4double llMesCofCB = 0.287557; 336 static const G4double llMesCofCB = 0.287557;
341 static const G4double llMesCofEtaP = 0.88; 337 static const G4double llMesCofEtaP = 0.88;
342 static const G4double llMesCofEta = 0.76; 338 static const G4double llMesCofEta = 0.76;
343 339
344 if( pdg == 321 || pdg == 311 || pdg == 310 ) 340 if( pdg == 321 || pdg == 311 || pdg == 310 )
345 { 341 {
346 coeff = lMesCof1S; //K+-0 342 coeff = lMesCof1S; //K+-0
347 } 343 }
348 else if( pdg == 511 || pdg == 521 ) 344 else if( pdg == 511 || pdg == 521 )
349 { 345 {
350 coeff = llMesCof1B; // BMeson0, BMeson+ 346 coeff = llMesCof1B; // BMeson0, BMeson+
351 } 347 }
352 else if(pdg == 421 || pdg == 411 ) 348 else if(pdg == 421 || pdg == 411 )
353 { 349 {
354 coeff = llMesCof1C; // DMeson+, DMeson0 350 coeff = llMesCof1C; // DMeson+, DMeson0
355 } 351 }
356 else if( pdg == 531 ) 352 else if( pdg == 531 )
357 { 353 {
358 coeff = llMesCofSB; // BSMeson0 354 coeff = llMesCofSB; // BSMeson0
359 } 355 }
360 else if( pdg == 541 ) 356 else if( pdg == 541 )
361 { 357 {
362 coeff = llMesCofCB; // BCMeson+- 358 coeff = llMesCofCB; // BCMeson+-
363 } 359 }
364 else if(pdg == 431 ) 360 else if(pdg == 431 )
365 { 361 {
366 coeff = llMesCofSC; // DSMeson+- 362 coeff = llMesCofSC; // DSMeson+-
367 } 363 }
368 else if(pdg == 441 || pdg == 443 ) 364 else if(pdg == 441 || pdg == 443 )
369 { 365 {
370 coeff = llMesCof2C; // Etac, JPsi 366 coeff = llMesCof2C; // Etac, JPsi
371 } 367 }
372 else if(pdg == 553 ) 368 else if(pdg == 553 )
373 { 369 {
374 coeff = llMesCof2B; // Upsilon 370 coeff = llMesCof2B; // Upsilon
375 } 371 }
376 else if(pdg == 221 ) 372 else if(pdg == 221 )
377 { 373 {
378 coeff = llMesCofEta; // Eta 374 coeff = llMesCofEta; // Eta
379 } 375 }
380 else if(pdg == 331 ) 376 else if(pdg == 331 )
381 { 377 {
382 coeff = llMesCofEtaP; // Eta' 378 coeff = llMesCofEtaP; // Eta'
383 } 379 }
384 return coeff; 380 return coeff;
385 } 381 }
386 382
387 383
388 384