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26 // 26 //
27 // The lust update: M.V. Kossov, CERN/ITEP(Mos 27 // The lust update: M.V. Kossov, CERN/ITEP(Moscow) 17-June-02
28 // 28 //
29 // ******************************************* 29 // ****************************************************************************************
30 // Short description: Cross-sections extracted 30 // Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for
31 // Hyperon-nuclear interactions. Original aut 31 // Hyperon-nuclear interactions. Original author: M. Kossov
32 // ------------------------------------------- 32 // -------------------------------------------------------------------------------------
33 // 33 //
34 34
35 #include "G4ChipsHyperonInelasticXS.hh" 35 #include "G4ChipsHyperonInelasticXS.hh"
36 #include "G4SystemOfUnits.hh" 36 #include "G4SystemOfUnits.hh"
37 #include "G4DynamicParticle.hh" 37 #include "G4DynamicParticle.hh"
38 #include "G4ParticleDefinition.hh" 38 #include "G4ParticleDefinition.hh"
39 #include "G4Lambda.hh" 39 #include "G4Lambda.hh"
40 #include "G4SigmaPlus.hh" 40 #include "G4SigmaPlus.hh"
41 #include "G4SigmaMinus.hh" 41 #include "G4SigmaMinus.hh"
42 #include "G4SigmaZero.hh" 42 #include "G4SigmaZero.hh"
43 #include "G4XiMinus.hh" 43 #include "G4XiMinus.hh"
44 #include "G4XiZero.hh" 44 #include "G4XiZero.hh"
45 #include "G4OmegaMinus.hh" 45 #include "G4OmegaMinus.hh"
46 #include "G4Log.hh" 46 #include "G4Log.hh"
47 #include "G4Exp.hh" 47 #include "G4Exp.hh"
48 48
49 // factory 49 // factory
50 #include "G4CrossSectionFactory.hh" 50 #include "G4CrossSectionFactory.hh"
51 // 51 //
52 G4_DECLARE_XS_FACTORY(G4ChipsHyperonInelasticX 52 G4_DECLARE_XS_FACTORY(G4ChipsHyperonInelasticXS);
53 53
54 G4ChipsHyperonInelasticXS::G4ChipsHyperonInela 54 G4ChipsHyperonInelasticXS::G4ChipsHyperonInelasticXS():G4VCrossSectionDataSet(Default_Name())
55 { 55 {
56 // Initialization of the 56 // Initialization of the
57 lastLEN=0; // Pointer to the lastArray of Lo 57 lastLEN=0; // Pointer to the lastArray of LowEn CS
58 lastHEN=0; // Pointer to the lastArray of Hi 58 lastHEN=0; // Pointer to the lastArray of HighEn CS
59 lastN=0; // The last N of calculated nucle 59 lastN=0; // The last N of calculated nucleus
60 lastZ=0; // The last Z of calculated nucle 60 lastZ=0; // The last Z of calculated nucleus
61 lastP=0.; // Last used in cross section Mom 61 lastP=0.; // Last used in cross section Momentum
62 lastTH=0.; // Last threshold momentum 62 lastTH=0.; // Last threshold momentum
63 lastCS=0.; // Last value of the Cross Sectio 63 lastCS=0.; // Last value of the Cross Section
64 lastI=0; // The last position in the DAMDB 64 lastI=0; // The last position in the DAMDB
65 LEN = new std::vector<G4double*>; 65 LEN = new std::vector<G4double*>;
66 HEN = new std::vector<G4double*>; 66 HEN = new std::vector<G4double*>;
67 } 67 }
68 68
69 G4ChipsHyperonInelasticXS::~G4ChipsHyperonInel 69 G4ChipsHyperonInelasticXS::~G4ChipsHyperonInelasticXS()
70 { 70 {
71 std::size_t lens=LEN->size(); << 71 G4int lens=LEN->size();
72 for(std::size_t i=0; i<lens; ++i) delete[] << 72 for(G4int i=0; i<lens; ++i) delete[] (*LEN)[i];
73 delete LEN; 73 delete LEN;
74 74
75 std::size_t hens=HEN->size(); << 75 G4int hens=HEN->size();
76 for(std::size_t i=0; i<hens; ++i) delete[] << 76 for(G4int i=0; i<hens; ++i) delete[] (*HEN)[i];
77 delete HEN; 77 delete HEN;
78 } 78 }
79 79
80 void G4ChipsHyperonInelasticXS::CrossSectionDe 80 void G4ChipsHyperonInelasticXS::CrossSectionDescription(std::ostream& outFile) const
81 { 81 {
82 outFile << "G4ChipsHyperonInelasticXS provid 82 outFile << "G4ChipsHyperonInelasticXS provides the inelastic cross\n"
83 << "section for hyperon nucleus scat 83 << "section for hyperon nucleus scattering as a function of incident\n"
84 << "momentum. The cross section is c 84 << "momentum. The cross section is calculated using M. Kossov's\n"
85 << "CHIPS parameterization of cross 85 << "CHIPS parameterization of cross section data.\n";
86 } 86 }
87 87
88 G4bool G4ChipsHyperonInelasticXS::IsIsoApplica 88 G4bool G4ChipsHyperonInelasticXS::IsIsoApplicable(const G4DynamicParticle*, G4int, G4int,
89 const G4Element*, 89 const G4Element*,
90 const G4Material*) 90 const G4Material*)
91 { 91 {
>> 92 /*
>> 93 const G4ParticleDefinition* particle = Pt->GetDefinition();
>> 94 if (particle == G4Lambda::Lambda())
>> 95 {
>> 96 return true;
>> 97 }
>> 98 else if(particle == G4SigmaPlus::SigmaPlus())
>> 99 {
>> 100 return true;
>> 101 }
>> 102 else if(particle == G4SigmaMinus::SigmaMinus())
>> 103 {
>> 104 return true;
>> 105 }
>> 106 else if(particle == G4SigmaZero::SigmaZero())
>> 107 {
>> 108 return true;
>> 109 }
>> 110 else if(particle == G4XiMinus::XiMinus())
>> 111 {
>> 112 return true;
>> 113 }
>> 114 else if(particle == G4XiZero::XiZero())
>> 115 {
>> 116 return true;
>> 117 }
>> 118 else if(particle == G4OmegaMinus::OmegaMinus())
>> 119 {
>> 120 return true;
>> 121 }
>> 122 */
92 return true; 123 return true;
93 } 124 }
94 125
95 // The main member function giving the collisi 126 // The main member function giving the collision cross section (P is in IU, CS is in mb)
96 // Make pMom in independent units ! (Now it is 127 // Make pMom in independent units ! (Now it is MeV)
97 G4double G4ChipsHyperonInelasticXS::GetIsoCros 128 G4double G4ChipsHyperonInelasticXS::GetIsoCrossSection(const G4DynamicParticle* Pt, G4int tgZ, G4int A,
98 const G4Isotope*, 129 const G4Isotope*,
99 const G4Element*, 130 const G4Element*,
100 const G4Material*) 131 const G4Material*)
101 { 132 {
102 G4double pMom=Pt->GetTotalMomentum(); 133 G4double pMom=Pt->GetTotalMomentum();
103 G4int tgN = A - tgZ; 134 G4int tgN = A - tgZ;
104 G4int pdg = Pt->GetDefinition()->GetPDGEncod 135 G4int pdg = Pt->GetDefinition()->GetPDGEncoding();
105 136
106 return GetChipsCrossSection(pMom, tgZ, tgN, 137 return GetChipsCrossSection(pMom, tgZ, tgN, pdg);
107 } 138 }
108 139
109 G4double G4ChipsHyperonInelasticXS::GetChipsCr 140 G4double G4ChipsHyperonInelasticXS::GetChipsCrossSection(G4double pMom, G4int tgZ, G4int tgN, G4int PDG)
110 { 141 {
111 142
112 G4bool in=false; // By d 143 G4bool in=false; // By default the isotope must be found in the AMDB
113 if(tgN!=lastN || tgZ!=lastZ) // The 144 if(tgN!=lastN || tgZ!=lastZ) // The nucleus was not the last used isotope
114 { 145 {
115 in = false; // By d 146 in = false; // By default the isotope haven't be found in AMDB
116 lastP = 0.; // New 147 lastP = 0.; // New momentum history (nothing to compare with)
117 lastN = tgN; // The 148 lastN = tgN; // The last N of the calculated nucleus
118 lastZ = tgZ; // The 149 lastZ = tgZ; // The last Z of the calculated nucleus
119 lastI = (G4int)colN.size(); // Size << 150 lastI = colN.size(); // Size of the Associative Memory DB in the heap
120 j = 0; // A#0f 151 j = 0; // A#0f records found in DB for this projectile
121 152
122 if(lastI) for(G4int i=0; i<lastI; ++i) // << 153 if(lastI) for(G4int i=0; i<lastI; i++) // AMDB exists, try to find the (Z,N) isotope
123 { 154 {
124 if(colN[i]==tgN && colZ[i]==tgZ) // Try 155 if(colN[i]==tgN && colZ[i]==tgZ) // Try the record "i" in the AMDB
125 { 156 {
126 lastI=i; // Reme 157 lastI=i; // Remember the index for future fast/last use
127 lastTH =colTH[i]; // The 158 lastTH =colTH[i]; // The last THreshold (A-dependent)
128 159
129 if(pMom<=lastTH) 160 if(pMom<=lastTH)
130 { 161 {
131 return 0.; // Ener 162 return 0.; // Energy is below the Threshold value
132 } 163 }
133 lastP =colP [i]; // Last 164 lastP =colP [i]; // Last Momentum (A-dependent)
134 lastCS =colCS[i]; // Last 165 lastCS =colCS[i]; // Last CrossSect (A-dependent)
135 in = true; // This 166 in = true; // This is the case when the isotop is found in DB
136 // Momentum pMom is in IU ! @@ Units 167 // Momentum pMom is in IU ! @@ Units
137 lastCS=CalculateCrossSection(-1,j,PDG, 168 lastCS=CalculateCrossSection(-1,j,PDG,lastZ,lastN,pMom); // read & update
138 169
139 if(lastCS<=0. && pMom>lastTH) // Corr 170 if(lastCS<=0. && pMom>lastTH) // Correct the threshold (@@ No intermediate Zeros)
140 { 171 {
141 lastCS=0.; 172 lastCS=0.;
142 lastTH=pMom; 173 lastTH=pMom;
143 } 174 }
144 break; // Go o 175 break; // Go out of the LOOP
145 } 176 }
146 j++; // Incr 177 j++; // Increment a#0f records found in DB
147 } 178 }
148 if(!in) // This 179 if(!in) // This isotope has not been calculated previously
149 { 180 {
150 //!!The slave functions must provide cro 181 //!!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)
151 lastCS=CalculateCrossSection(0,j,PDG,las 182 lastCS=CalculateCrossSection(0,j,PDG,lastZ,lastN,pMom); //calculate & create
>> 183 //if(lastCS>0.) // It means that the AMBD was initialized
>> 184 //{
152 185
153 lastTH = 0; //ThresholdEnergy(tgZ, tgN); 186 lastTH = 0; //ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
154 colN.push_back(tgN); 187 colN.push_back(tgN);
155 colZ.push_back(tgZ); 188 colZ.push_back(tgZ);
156 colP.push_back(pMom); 189 colP.push_back(pMom);
157 colTH.push_back(lastTH); 190 colTH.push_back(lastTH);
158 colCS.push_back(lastCS); 191 colCS.push_back(lastCS);
159 //} // M.K. Presence of H1 with high thresho 192 //} // M.K. Presence of H1 with high threshold breaks the syncronization
160 return lastCS*millibarn; 193 return lastCS*millibarn;
161 } // End of creation of the new set of par 194 } // End of creation of the new set of parameters
162 else 195 else
163 { 196 {
164 colP[lastI]=pMom; 197 colP[lastI]=pMom;
165 colCS[lastI]=lastCS; 198 colCS[lastI]=lastCS;
166 } 199 }
167 } // End of parameters udate 200 } // End of parameters udate
168 else if(pMom<=lastTH) 201 else if(pMom<=lastTH)
169 { 202 {
170 return 0.; // Mome 203 return 0.; // Momentum is below the Threshold Value -> CS=0
171 } 204 }
172 else // It i 205 else // It is the last used -> use the current tables
173 { 206 {
174 lastCS=CalculateCrossSection(1,j,PDG,lastZ 207 lastCS=CalculateCrossSection(1,j,PDG,lastZ,lastN,pMom); // Only read and UpdateDB
175 lastP=pMom; 208 lastP=pMom;
176 } 209 }
177 return lastCS*millibarn; 210 return lastCS*millibarn;
178 } 211 }
179 212
180 // The main member function giving the gamma-A 213 // The main member function giving the gamma-A cross section (E in GeV, CS in mb)
181 G4double G4ChipsHyperonInelasticXS::CalculateC 214 G4double G4ChipsHyperonInelasticXS::CalculateCrossSection(G4int F, G4int I,
182 G4int, G4int targZ, G4int targ 215 G4int, G4int targZ, G4int targN, G4double Momentum)
183 { 216 {
184 static const G4double THmin=27.; // defa 217 static const G4double THmin=27.; // default minimum Momentum (MeV/c) Threshold
185 static const G4double THmiG=THmin*.001; // m 218 static const G4double THmiG=THmin*.001; // minimum Momentum (GeV/c) Threshold
186 static const G4double dP=10.; // step 219 static const G4double dP=10.; // step for the LEN (Low ENergy) table MeV/c
187 static const G4double dPG=dP*.001; // step 220 static const G4double dPG=dP*.001; // step for the LEN (Low ENergy) table GeV/c
188 static const G4int nL=105; // A#of 221 static const G4int nL=105; // A#of LEN points in E (step 10 MeV/c)
189 static const G4double Pmin=THmin+(nL-1)*dP; 222 static const G4double Pmin=THmin+(nL-1)*dP; // minP for the HighE part with safety
190 static const G4double Pmax=227000.; // maxP 223 static const G4double Pmax=227000.; // maxP for the HEN (High ENergy) part 227 GeV
191 static const G4int nH=224; // A#of 224 static const G4int nH=224; // A#of HEN points in lnE
192 static const G4double milP=G4Log(Pmin);// Lo 225 static const G4double milP=G4Log(Pmin);// Low logarithm energy for the HEN part
193 static const G4double malP=G4Log(Pmax);// Hi 226 static const G4double malP=G4Log(Pmax);// High logarithm energy (each 2.75 percent)
194 static const G4double dlP=(malP-milP)/(nH-1) 227 static const G4double dlP=(malP-milP)/(nH-1); // Step in log energy in the HEN part
195 static const G4double milPG=G4Log(.001*Pmin) 228 static const G4double milPG=G4Log(.001*Pmin);// Low logarithmEnergy for HEN part GeV/c
196 << 229 G4double sigma=0.;
>> 230 if(F&&I) sigma=0.; // @@ *!* Fake line *!* to use F & I !!!Temporary!!!
>> 231 //G4double A=targN+targZ; // A of the target
197 if(F<=0) // This 232 if(F<=0) // This isotope was not the last used isotop
198 { 233 {
199 if(F<0) // This 234 if(F<0) // This isotope was found in DAMDB =-----=> RETRIEVE
200 { 235 {
201 G4int sync=(G4int)LEN->size(); << 236 G4int sync=LEN->size();
202 if(sync<=I) G4cerr<<"*!*G4QPiMinusNuclCS 237 if(sync<=I) G4cerr<<"*!*G4QPiMinusNuclCS::CalcCrosSect:Sync="<<sync<<"<="<<I<<G4endl;
203 lastLEN=(*LEN)[I]; // Poin 238 lastLEN=(*LEN)[I]; // Pointer to prepared LowEnergy cross sections
204 lastHEN=(*HEN)[I]; // Poin 239 lastHEN=(*HEN)[I]; // Pointer to prepared High Energy cross sections
205 } 240 }
206 else // This 241 else // This isotope wasn't calculated before => CREATE
207 { 242 {
208 lastLEN = new G4double[nL]; // Allo 243 lastLEN = new G4double[nL]; // Allocate memory for the new LEN cross sections
209 lastHEN = new G4double[nH]; // Allo 244 lastHEN = new G4double[nH]; // Allocate memory for the new HEN cross sections
210 // --- Instead of making a separate func 245 // --- Instead of making a separate function ---
211 G4double P=THmiG; // Tabl 246 G4double P=THmiG; // Table threshold in GeV/c
212 for(G4int k=0; k<nL; k++) 247 for(G4int k=0; k<nL; k++)
213 { 248 {
214 lastLEN[k] = CrossSectionLin(targZ, ta 249 lastLEN[k] = CrossSectionLin(targZ, targN, P);
215 P+=dPG; 250 P+=dPG;
216 } 251 }
217 G4double lP=milPG; 252 G4double lP=milPG;
218 for(G4int n=0; n<nH; n++) 253 for(G4int n=0; n<nH; n++)
219 { 254 {
220 lastHEN[n] = CrossSectionLog(targZ, ta 255 lastHEN[n] = CrossSectionLog(targZ, targN, lP);
221 lP+=dlP; 256 lP+=dlP;
222 } 257 }
223 // --- End of possible separate function 258 // --- End of possible separate function
224 // *** The synchronization check *** 259 // *** The synchronization check ***
225 G4int sync=(G4int)LEN->size(); << 260 G4int sync=LEN->size();
226 if(sync!=I) 261 if(sync!=I)
227 { 262 {
228 G4cerr<<"***G4QHyperNuclCS::CalcCrossS 263 G4cerr<<"***G4QHyperNuclCS::CalcCrossSect: Sinc="<<sync<<"#"<<I<<", Z=" <<targZ
229 <<", N="<<targN<<", F="<<F<<G4en 264 <<", N="<<targN<<", F="<<F<<G4endl;
230 //G4Exception("G4PiMinusNuclearCS::Cal 265 //G4Exception("G4PiMinusNuclearCS::CalculateCS:","39",FatalException,"DBoverflow");
231 } 266 }
232 LEN->push_back(lastLEN); // reme 267 LEN->push_back(lastLEN); // remember the Low Energy Table
233 HEN->push_back(lastHEN); // reme 268 HEN->push_back(lastHEN); // remember the High Energy Table
234 } // End of creation of the new set of par 269 } // End of creation of the new set of parameters
235 } // End of parameters udate 270 } // End of parameters udate
236 // =--------------------------= NOW the Magi 271 // =--------------------------= NOW the Magic Formula =------------------------------=
237 G4double sigma; <<
238 if (Momentum<lastTH) return 0.; // It m 272 if (Momentum<lastTH) return 0.; // It must be already checked in the interface class
239 else if (Momentum<Pmin) // High 273 else if (Momentum<Pmin) // High Energy region
240 { 274 {
241 sigma=EquLinearFit(Momentum,nL,THmin,dP,la 275 sigma=EquLinearFit(Momentum,nL,THmin,dP,lastLEN);
242 } 276 }
243 else if (Momentum<Pmax) // High 277 else if (Momentum<Pmax) // High Energy region
244 { 278 {
245 G4double lP=G4Log(Momentum); 279 G4double lP=G4Log(Momentum);
246 sigma=EquLinearFit(lP,nH,milP,dlP,lastHEN) 280 sigma=EquLinearFit(lP,nH,milP,dlP,lastHEN);
247 } 281 }
248 else // UHE 282 else // UHE region (calculation, not frequent)
249 { 283 {
250 G4double P=0.001*Momentum; // Appr 284 G4double P=0.001*Momentum; // Approximation formula is for P in GeV/c
251 sigma=CrossSectionFormula(targZ, targN, P, 285 sigma=CrossSectionFormula(targZ, targN, P, G4Log(P));
252 } 286 }
253 if (sigma<0.) return 0.; << 287 if(sigma<0.) return 0.;
254 return sigma; 288 return sigma;
255 } 289 }
256 290
257 // Calculation formula for piMinus-nuclear ine 291 // Calculation formula for piMinus-nuclear inelastic cross-section (mb) (P in GeV/c)
258 G4double G4ChipsHyperonInelasticXS::CrossSecti 292 G4double G4ChipsHyperonInelasticXS::CrossSectionLin(G4int tZ, G4int tN, G4double P)
259 { 293 {
260 G4double lP=G4Log(P); 294 G4double lP=G4Log(P);
261 return CrossSectionFormula(tZ, tN, P, lP); 295 return CrossSectionFormula(tZ, tN, P, lP);
262 } 296 }
263 297
264 // Calculation formula for piMinus-nuclear ine 298 // Calculation formula for piMinus-nuclear inelastic cross-section (mb) log(P in GeV/c)
265 G4double G4ChipsHyperonInelasticXS::CrossSecti 299 G4double G4ChipsHyperonInelasticXS::CrossSectionLog(G4int tZ, G4int tN, G4double lP)
266 { 300 {
267 G4double P=G4Exp(lP); 301 G4double P=G4Exp(lP);
268 return CrossSectionFormula(tZ, tN, P, lP); 302 return CrossSectionFormula(tZ, tN, P, lP);
269 } 303 }
270 // Calculation formula for piMinus-nuclear ine 304 // Calculation formula for piMinus-nuclear inelastic cross-section (mb) log(P in GeV/c)
271 G4double G4ChipsHyperonInelasticXS::CrossSecti 305 G4double G4ChipsHyperonInelasticXS::CrossSectionFormula(G4int tZ, G4int tN,
272 306 G4double P, G4double lP)
273 { 307 {
274 G4double sigma=0.; 308 G4double sigma=0.;
275 <<
276 //AR-24Apr2018 Switch to allow transuranic e <<
277 const G4bool isHeavyElementAllowed = true; <<
278 <<
279 if(tZ==1 && !tN) // H 309 if(tZ==1 && !tN) // Hyperon-P interaction from G4QuasiElastRatios
280 { 310 {
281 G4double ld=lP-3.5; 311 G4double ld=lP-3.5;
282 G4double ld2=ld*ld; 312 G4double ld2=ld*ld;
283 G4double p2=P*P; 313 G4double p2=P*P;
284 G4double p4=p2*p2; 314 G4double p4=p2*p2;
285 G4double sp=std::sqrt(P); 315 G4double sp=std::sqrt(P);
286 G4double El=(.0557*ld2+6.72+99./p2)/(1.+2. 316 G4double El=(.0557*ld2+6.72+99./p2)/(1.+2./sp+2./p4);
287 G4double To=(.3*ld2+38.2+900./sp)/(1.+27./ 317 G4double To=(.3*ld2+38.2+900./sp)/(1.+27./sp+3./p4);
288 sigma=To-El; 318 sigma=To-El;
289 } 319 }
290 else if((tZ<97 && tN<152) || isHeavyElementA << 320 else if(tZ<97 && tN<152) // General solution
291 { 321 {
292 G4double d=lP-4.2; 322 G4double d=lP-4.2;
293 G4double p2=P*P; 323 G4double p2=P*P;
294 G4double p4=p2*p2; 324 G4double p4=p2*p2;
295 G4double sp=std::sqrt(P); 325 G4double sp=std::sqrt(P);
296 G4double ssp=std::sqrt(sp); 326 G4double ssp=std::sqrt(sp);
297 G4double a=tN+tZ; // 327 G4double a=tN+tZ; // A of the target
298 G4double al=G4Log(a); 328 G4double al=G4Log(a);
299 G4double sa=std::sqrt(a); 329 G4double sa=std::sqrt(a);
300 G4double a2=a*a; 330 G4double a2=a*a;
301 G4double a2s=a2*sa; 331 G4double a2s=a2*sa;
302 G4double a4=a2*a2; 332 G4double a4=a2*a2;
303 G4double a8=a4*a4; 333 G4double a8=a4*a4;
304 G4double c=(170.+3600./a2s)/(1.+65./a2s); 334 G4double c=(170.+3600./a2s)/(1.+65./a2s);
305 G4double gg=42.*(G4Exp(al*0.8)+4.E-8*a4)/( 335 G4double gg=42.*(G4Exp(al*0.8)+4.E-8*a4)/(1.+28./a)/(1.+5.E-5*a2);
306 G4double e=390.; // 336 G4double e=390.; // Defolt values for deutrons
307 G4double r=0.27; 337 G4double r=0.27;
308 G4double h=2.E-7; 338 G4double h=2.E-7;
309 G4double t=0.3; 339 G4double t=0.3;
310 if(tZ>1 || tN>1) 340 if(tZ>1 || tN>1)
311 { 341 {
312 e=380.+18.*a2/(1.+a2/60.)/(1.+2.E-19*a8) 342 e=380.+18.*a2/(1.+a2/60.)/(1.+2.E-19*a8);
313 r=0.15; 343 r=0.15;
314 h=1.E-8*a2/(1.+a2/17.)/(1.+3.E-20*a8); 344 h=1.E-8*a2/(1.+a2/17.)/(1.+3.E-20*a8);
315 t=(.2+.00056*a2)/(1.+a2*.0006); 345 t=(.2+.00056*a2)/(1.+a2*.0006);
316 } 346 }
317 sigma=(c+d*d)/(1.+t/ssp+r/p4)+(gg+e*G4Exp( 347 sigma=(c+d*d)/(1.+t/ssp+r/p4)+(gg+e*G4Exp(-6.*P))/(1.+h/p4/p4);
318 #ifdef pdebug 348 #ifdef pdebug
319 G4cout<<"G4QHyperonNucCS::CSForm: A="<<a<< 349 G4cout<<"G4QHyperonNucCS::CSForm: A="<<a<<",P="<<P<<",CS="<<sigma<<",c="<<c<<",g="<<gg
320 <<",d="<<d<<",r="<<r<<",e="<<e<<",h= 350 <<",d="<<d<<",r="<<r<<",e="<<e<<",h="<<h<<G4endl;
321 #endif 351 #endif
322 } 352 }
323 else 353 else
324 { 354 {
325 G4cerr<<"-Warning-G4QHyperonNuclearCroSect 355 G4cerr<<"-Warning-G4QHyperonNuclearCroSect::CSForm:*Bad A* Z="<<tZ<<", N="<<tN<<G4endl;
326 sigma=0.; 356 sigma=0.;
327 } 357 }
328 if(sigma<0.) return 0.; 358 if(sigma<0.) return 0.;
329 return sigma; 359 return sigma;
330 } 360 }
331 361
332 G4double G4ChipsHyperonInelasticXS::EquLinearF 362 G4double G4ChipsHyperonInelasticXS::EquLinearFit(G4double X, G4int N, G4double X0, G4double DX, G4double* Y)
333 { 363 {
334 if(DX<=0. || N<2) 364 if(DX<=0. || N<2)
335 { 365 {
336 G4cerr<<"***G4ChipsHyperonInelasticXS::E 366 G4cerr<<"***G4ChipsHyperonInelasticXS::EquLinearFit: DX="<<DX<<", N="<<N<<G4endl;
337 return Y[0]; 367 return Y[0];
338 } 368 }
339 369
340 G4int N2=N-2; 370 G4int N2=N-2;
341 G4double d=(X-X0)/DX; 371 G4double d=(X-X0)/DX;
342 G4int jj=static_cast<int>(d); 372 G4int jj=static_cast<int>(d);
343 if (jj<0) jj=0; 373 if (jj<0) jj=0;
344 else if(jj>N2) jj=N2; 374 else if(jj>N2) jj=N2;
345 d-=jj; // excess 375 d-=jj; // excess
346 G4double yi=Y[jj]; 376 G4double yi=Y[jj];
347 G4double sigma=yi+(Y[jj+1]-yi)*d; 377 G4double sigma=yi+(Y[jj+1]-yi)*d;
348 378
349 return sigma; 379 return sigma;
350 } 380 }
351 381