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25 // 25 //
26 // 26 //
>> 27 // $Id$
27 // 28 //
28 // 29 //
29 // G4 Physics class: G4ChipsPionMinusElasticXS 30 // G4 Physics class: G4ChipsPionMinusElasticXS for pA elastic cross sections
30 // Created: M.V. Kossov, CERN/ITEP(Moscow), 21 31 // Created: M.V. Kossov, CERN/ITEP(Moscow), 21-Jan-10
31 // The last update: M.V. Kossov, CERN/ITEP (Mo 32 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 21-Jan-10
32 // 33 //
33 // ------------------------------------------- 34 // -------------------------------------------------------------------------------
34 // Short description: Interaction cross-sectio 35 // Short description: Interaction cross-sections for the elastic process.
35 // Class extracted from CHIPS and integrated i 36 // Class extracted from CHIPS and integrated in Geant4 by W.Pokorski
36 // ------------------------------------------- 37 // -------------------------------------------------------------------------------
37 // 38 //
38 39
39 #include "G4ChipsPionMinusElasticXS.hh" 40 #include "G4ChipsPionMinusElasticXS.hh"
40 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
41 #include "G4DynamicParticle.hh" 42 #include "G4DynamicParticle.hh"
42 #include "G4ParticleDefinition.hh" 43 #include "G4ParticleDefinition.hh"
43 #include "G4PionMinus.hh" 44 #include "G4PionMinus.hh"
44 #include "G4Nucleus.hh" 45 #include "G4Nucleus.hh"
45 #include "G4ParticleTable.hh" 46 #include "G4ParticleTable.hh"
46 #include "G4NucleiProperties.hh" 47 #include "G4NucleiProperties.hh"
47 #include "G4IonTable.hh" <<
48 <<
49 #include "G4Log.hh" <<
50 #include "G4Exp.hh" <<
51 #include "G4Pow.hh" <<
52 48
53 // factory 49 // factory
54 #include "G4CrossSectionFactory.hh" 50 #include "G4CrossSectionFactory.hh"
55 // 51 //
56 G4_DECLARE_XS_FACTORY(G4ChipsPionMinusElasticX 52 G4_DECLARE_XS_FACTORY(G4ChipsPionMinusElasticXS);
57 53
58 G4ChipsPionMinusElasticXS::G4ChipsPionMinusEla 54 G4ChipsPionMinusElasticXS::G4ChipsPionMinusElasticXS():G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
59 { 55 {
60 lPMin=-8.; //Min tabulated logarithmMomentu 56 lPMin=-8.; //Min tabulated logarithmMomentum(D)
61 lPMax= 8.; //Max tabulated logarithmMomentu 57 lPMax= 8.; //Max tabulated logarithmMomentum(D)
62 dlnP=(lPMax-lPMin)/nLast;//LogStep inTheTabl 58 dlnP=(lPMax-lPMin)/nLast;//LogStep inTheTable(D)
63 onlyCS=true;//Flag toCalcul OnlyCS(not Si/Bi 59 onlyCS=true;//Flag toCalcul OnlyCS(not Si/Bi)(L)
64 lastSIG=0.; //Last calculated cross section 60 lastSIG=0.; //Last calculated cross section (L)
65 lastLP=-10.;//Last log(mom_of IncidentHadron 61 lastLP=-10.;//Last log(mom_of IncidentHadron)(L)
66 lastTM=0.; //Last t_maximum 62 lastTM=0.; //Last t_maximum (L)
67 theSS=0.; //TheLastSqSlope of 1st difr.Max 63 theSS=0.; //TheLastSqSlope of 1st difr.Max(L)
68 theS1=0.; //TheLastMantissa of 1st difr.Ma 64 theS1=0.; //TheLastMantissa of 1st difr.Max(L)
69 theB1=0.; //TheLastSlope of 1st difruct.Ma 65 theB1=0.; //TheLastSlope of 1st difruct.Max(L)
70 theS2=0.; //TheLastMantissa of 2nd difr.Ma 66 theS2=0.; //TheLastMantissa of 2nd difr.Max(L)
71 theB2=0.; //TheLastSlope of 2nd difruct.Ma 67 theB2=0.; //TheLastSlope of 2nd difruct.Max(L)
72 theS3=0.; //TheLastMantissa of 3d difr. Ma 68 theS3=0.; //TheLastMantissa of 3d difr. Max(L)
73 theB3=0.; //TheLastSlope of 3d difruct. Ma 69 theB3=0.; //TheLastSlope of 3d difruct. Max(L)
74 theS4=0.; //TheLastMantissa of 4th difr.Ma 70 theS4=0.; //TheLastMantissa of 4th difr.Max(L)
75 theB4=0.; //TheLastSlope of 4th difruct.Ma 71 theB4=0.; //TheLastSlope of 4th difruct.Max(L)
76 lastTZ=0; // Last atomic number of the tar 72 lastTZ=0; // Last atomic number of the target
77 lastTN=0; // Last # of neutrons in the tar 73 lastTN=0; // Last # of neutrons in the target
78 lastPIN=0.; // Last initialized max momentum 74 lastPIN=0.; // Last initialized max momentum
79 lastCST=0; // Elastic cross-section table 75 lastCST=0; // Elastic cross-section table
80 lastPAR=0; // Parameters ForFunctionCalcula 76 lastPAR=0; // Parameters ForFunctionCalculation
81 lastSST=0; // E-dep of SqardSlope of 1st di 77 lastSST=0; // E-dep of SqardSlope of 1st difMax
82 lastS1T=0; // E-dep of mantissa of 1st dif. 78 lastS1T=0; // E-dep of mantissa of 1st dif.Max
83 lastB1T=0; // E-dep of the slope of 1st dif 79 lastB1T=0; // E-dep of the slope of 1st difMax
84 lastS2T=0; // E-dep of mantissa of 2nd difr 80 lastS2T=0; // E-dep of mantissa of 2nd difrMax
85 lastB2T=0; // E-dep of the slope of 2nd dif 81 lastB2T=0; // E-dep of the slope of 2nd difMax
86 lastS3T=0; // E-dep of mantissa of 3d difr. 82 lastS3T=0; // E-dep of mantissa of 3d difr.Max
87 lastB3T=0; // E-dep of the slope of 3d difr 83 lastB3T=0; // E-dep of the slope of 3d difrMax
88 lastS4T=0; // E-dep of mantissa of 4th difr 84 lastS4T=0; // E-dep of mantissa of 4th difrMax
89 lastB4T=0; // E-dep of the slope of 4th dif 85 lastB4T=0; // E-dep of the slope of 4th difMax
90 lastN=0; // The last N of calculated nucl 86 lastN=0; // The last N of calculated nucleus
91 lastZ=0; // The last Z of calculated nucl 87 lastZ=0; // The last Z of calculated nucleus
92 lastP=0.; // LastUsed in CrossSection Mome 88 lastP=0.; // LastUsed in CrossSection Momentum
93 lastTH=0.; // Last threshold momentum 89 lastTH=0.; // Last threshold momentum
94 lastCS=0.; // Last value of the Cross Secti 90 lastCS=0.; // Last value of the Cross Section
95 lastI=0; // The last position in the DAMD 91 lastI=0; // The last position in the DAMDB
96 } 92 }
97 93
98 G4ChipsPionMinusElasticXS::~G4ChipsPionMinusEl 94 G4ChipsPionMinusElasticXS::~G4ChipsPionMinusElasticXS()
99 { 95 {
100 std::vector<G4double*>::iterator pos; 96 std::vector<G4double*>::iterator pos;
101 for (pos=CST.begin(); pos<CST.end(); pos++) 97 for (pos=CST.begin(); pos<CST.end(); pos++)
102 { delete [] *pos; } 98 { delete [] *pos; }
103 CST.clear(); 99 CST.clear();
104 for (pos=PAR.begin(); pos<PAR.end(); pos++) 100 for (pos=PAR.begin(); pos<PAR.end(); pos++)
105 { delete [] *pos; } 101 { delete [] *pos; }
106 PAR.clear(); 102 PAR.clear();
107 for (pos=SST.begin(); pos<SST.end(); pos++) 103 for (pos=SST.begin(); pos<SST.end(); pos++)
108 { delete [] *pos; } 104 { delete [] *pos; }
109 SST.clear(); 105 SST.clear();
110 for (pos=S1T.begin(); pos<S1T.end(); pos++) 106 for (pos=S1T.begin(); pos<S1T.end(); pos++)
111 { delete [] *pos; } 107 { delete [] *pos; }
112 S1T.clear(); 108 S1T.clear();
113 for (pos=B1T.begin(); pos<B1T.end(); pos++) 109 for (pos=B1T.begin(); pos<B1T.end(); pos++)
114 { delete [] *pos; } 110 { delete [] *pos; }
115 B1T.clear(); 111 B1T.clear();
116 for (pos=S2T.begin(); pos<S2T.end(); pos++) 112 for (pos=S2T.begin(); pos<S2T.end(); pos++)
117 { delete [] *pos; } 113 { delete [] *pos; }
118 S2T.clear(); 114 S2T.clear();
119 for (pos=B2T.begin(); pos<B2T.end(); pos++) 115 for (pos=B2T.begin(); pos<B2T.end(); pos++)
120 { delete [] *pos; } 116 { delete [] *pos; }
121 B2T.clear(); 117 B2T.clear();
122 for (pos=S3T.begin(); pos<S3T.end(); pos++) 118 for (pos=S3T.begin(); pos<S3T.end(); pos++)
123 { delete [] *pos; } 119 { delete [] *pos; }
124 S3T.clear(); 120 S3T.clear();
125 for (pos=B3T.begin(); pos<B3T.end(); pos++) 121 for (pos=B3T.begin(); pos<B3T.end(); pos++)
126 { delete [] *pos; } 122 { delete [] *pos; }
127 B3T.clear(); 123 B3T.clear();
128 for (pos=S4T.begin(); pos<S4T.end(); pos++) 124 for (pos=S4T.begin(); pos<S4T.end(); pos++)
129 { delete [] *pos; } 125 { delete [] *pos; }
130 S4T.clear(); 126 S4T.clear();
131 for (pos=B4T.begin(); pos<B4T.end(); pos++) 127 for (pos=B4T.begin(); pos<B4T.end(); pos++)
132 { delete [] *pos; } 128 { delete [] *pos; }
133 B4T.clear(); 129 B4T.clear();
134 } 130 }
135 131
136 void <<
137 G4ChipsPionMinusElasticXS::CrossSectionDescrip <<
138 { <<
139 outFile << "G4ChipsPionMinusElasticXS prov <<
140 << "section for pion- nucleus scat <<
141 << "momentum. The cross section is <<
142 << "CHIPS parameterization of cros <<
143 } <<
144 132
145 << 133 G4bool G4ChipsPionMinusElasticXS::IsIsoApplicable(const G4DynamicParticle* Pt, G4int, G4int,
146 G4bool G4ChipsPionMinusElasticXS::IsIsoApplica <<
147 const G4Element*, 134 const G4Element*,
148 const G4Material*) 135 const G4Material*)
149 { 136 {
150 return true; << 137 G4ParticleDefinition* particle = Pt->GetDefinition();
>> 138 if (particle == G4PionMinus::PionMinus() ) return true;
>> 139 return false;
151 } 140 }
152 141
153 // The main member function giving the collisi 142 // The main member function giving the collision cross section (P is in IU, CS is in mb)
154 // Make pMom in independent units ! (Now it is 143 // Make pMom in independent units ! (Now it is MeV)
155 G4double G4ChipsPionMinusElasticXS::GetIsoCros 144 G4double G4ChipsPionMinusElasticXS::GetIsoCrossSection(const G4DynamicParticle* Pt, G4int tgZ, G4int A,
156 const G4Isotope*, 145 const G4Isotope*,
157 const G4Element*, 146 const G4Element*,
158 const G4Material*) 147 const G4Material*)
159 { 148 {
160 G4double pMom=Pt->GetTotalMomentum(); 149 G4double pMom=Pt->GetTotalMomentum();
161 G4int tgN = A - tgZ; 150 G4int tgN = A - tgZ;
162 151
163 return GetChipsCrossSection(pMom, tgZ, tgN, 152 return GetChipsCrossSection(pMom, tgZ, tgN, -212);
164 } 153 }
165 154
166 G4double G4ChipsPionMinusElasticXS::GetChipsCr 155 G4double G4ChipsPionMinusElasticXS::GetChipsCrossSection(G4double pMom, G4int tgZ, G4int tgN, G4int)
167 { 156 {
>> 157 static std::vector <G4int> colN; // Vector of N for calculated nuclei (isotops)
>> 158 static std::vector <G4int> colZ; // Vector of Z for calculated nuclei (isotops)
>> 159 static std::vector <G4double> colP; // Vector of last momenta for the reaction
>> 160 static std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
>> 161 static std::vector <G4double> colCS; // Vector of last cross sections for the reaction
>> 162 // ***---*** End of the mandatory Static Definitions of the Associative Memory ***---***
168 163
169 G4double pEn=pMom; 164 G4double pEn=pMom;
170 G4bool fCS = false; 165 G4bool fCS = false;
171 onlyCS=fCS; 166 onlyCS=fCS;
172 167
173 G4bool in=false; // By def 168 G4bool in=false; // By default the isotope must be found in the AMDB
174 lastP = 0.; // New mo 169 lastP = 0.; // New momentum history (nothing to compare with)
175 lastN = tgN; // The la 170 lastN = tgN; // The last N of the calculated nucleus
176 lastZ = tgZ; // The la 171 lastZ = tgZ; // The last Z of the calculated nucleus
177 lastI = (G4int)colN.size(); // Size o << 172 lastI = colN.size(); // Size of the Associative Memory DB in the heap
178 if(lastI) for(G4int i=0; i<lastI; ++i) // Lo << 173 if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
179 { // The nu 174 { // The nucleus with projPDG is found in AMDB
180 if(colN[i]==tgN && colZ[i]==tgZ) // Isotop 175 if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
181 { 176 {
182 lastI=i; 177 lastI=i;
183 lastTH =colTH[i]; // Last T 178 lastTH =colTH[i]; // Last THreshold (A-dependent)
184 if(pEn<=lastTH) 179 if(pEn<=lastTH)
185 { 180 {
186 return 0.; // Energy 181 return 0.; // Energy is below the Threshold value
187 } 182 }
188 lastP =colP [i]; // Last M 183 lastP =colP [i]; // Last Momentum (A-dependent)
189 lastCS =colCS[i]; // Last C 184 lastCS =colCS[i]; // Last CrossSect (A-dependent)
190 // if(std::fabs(lastP/pMom-1.)<toleranc 185 // if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
191 if(lastP == pMom) // Do not 186 if(lastP == pMom) // Do not recalculate
192 { 187 {
193 CalculateCrossSection(fCS,-1,i,-211,la 188 CalculateCrossSection(fCS,-1,i,-211,lastZ,lastN,pMom); // Update param's only
194 return lastCS*millibarn; // Use th 189 return lastCS*millibarn; // Use theLastCS
195 } 190 }
196 in = true; // This 191 in = true; // This is the case when the isotop is found in DB
197 // Momentum pMom is in IU ! @@ Units 192 // Momentum pMom is in IU ! @@ Units
198 lastCS=CalculateCrossSection(fCS,-1,i,-2 193 lastCS=CalculateCrossSection(fCS,-1,i,-211,lastZ,lastN,pMom); // read & update
199 if(lastCS<=0. && pEn>lastTH) // Corre 194 if(lastCS<=0. && pEn>lastTH) // Correct the threshold
200 { 195 {
201 lastTH=pEn; 196 lastTH=pEn;
202 } 197 }
203 break; // Go o 198 break; // Go out of the LOOP with found lastI
204 } 199 }
205 } // End of attampt to find the nucleus in D 200 } // End of attampt to find the nucleus in DB
206 if(!in) // This n 201 if(!in) // This nucleus has not been calculated previously
207 { 202 {
208 //!!The slave functions must provide cross 203 //!!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)
209 lastCS=CalculateCrossSection(fCS,0,lastI,- 204 lastCS=CalculateCrossSection(fCS,0,lastI,-211,lastZ,lastN,pMom);//calculate&create
210 if(lastCS<=0.) 205 if(lastCS<=0.)
211 { 206 {
212 lastTH = 0; //ThresholdEnergy(tgZ, tgN); 207 lastTH = 0; //ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
213 if(pEn>lastTH) 208 if(pEn>lastTH)
214 { 209 {
215 lastTH=pEn; 210 lastTH=pEn;
216 } 211 }
217 } 212 }
218 colN.push_back(tgN); 213 colN.push_back(tgN);
219 colZ.push_back(tgZ); 214 colZ.push_back(tgZ);
220 colP.push_back(pMom); 215 colP.push_back(pMom);
221 colTH.push_back(lastTH); 216 colTH.push_back(lastTH);
222 colCS.push_back(lastCS); 217 colCS.push_back(lastCS);
223 return lastCS*millibarn; 218 return lastCS*millibarn;
224 } // End of creation of the new set of param 219 } // End of creation of the new set of parameters
225 else 220 else
226 { 221 {
227 colP[lastI]=pMom; 222 colP[lastI]=pMom;
228 colCS[lastI]=lastCS; 223 colCS[lastI]=lastCS;
229 } 224 }
230 return lastCS*millibarn; 225 return lastCS*millibarn;
231 } 226 }
232 227
233 // Calculation of total elastic cross section 228 // Calculation of total elastic cross section (p in IU, CS in mb) @@ Units (?)
234 // F=0 - create AMDB, F=-1 - read&update AMDB, 229 // F=0 - create AMDB, F=-1 - read&update AMDB, F=1 - update AMDB (sinchro with higher AMDB)
235 G4double G4ChipsPionMinusElasticXS::CalculateC 230 G4double G4ChipsPionMinusElasticXS::CalculateCrossSection(G4bool CS, G4int F,G4int I,
236 G 231 G4int PDG, G4int tgZ, G4int tgN, G4double pIU)
237 { 232 {
>> 233 // *** Begin of Associative Memory DB for acceleration of the cross section calculations
>> 234 static std::vector <G4double> PIN; // Vector of max initialized log(P) in the table
>> 235 // *** End of Static Definitions (Associative Memory Data Base) ***
238 G4double pMom=pIU/GeV; // All 236 G4double pMom=pIU/GeV; // All calculations are in GeV
239 onlyCS=CS; // Fla 237 onlyCS=CS; // Flag to calculate only CS (not Si/Bi)
240 lastLP=G4Log(pMom); // Make a << 238 lastLP=std::log(pMom); // Make a logarithm of the momentum for calculation
241 if(F) // Thi 239 if(F) // This isotope was found in AMDB =>RETRIEVE/UPDATE
242 { 240 {
243 if(F<0) // the 241 if(F<0) // the AMDB must be loded
244 { 242 {
245 lastPIN = PIN[I]; // Max 243 lastPIN = PIN[I]; // Max log(P) initialised for this table set
246 lastPAR = PAR[I]; // Poi 244 lastPAR = PAR[I]; // Pointer to the parameter set
247 lastCST = CST[I]; // Poi 245 lastCST = CST[I]; // Pointer to the total sross-section table
248 lastSST = SST[I]; // Poi 246 lastSST = SST[I]; // Pointer to the first squared slope
249 lastS1T = S1T[I]; // Poi 247 lastS1T = S1T[I]; // Pointer to the first mantissa
250 lastB1T = B1T[I]; // Poi 248 lastB1T = B1T[I]; // Pointer to the first slope
251 lastS2T = S2T[I]; // Poi 249 lastS2T = S2T[I]; // Pointer to the second mantissa
252 lastB2T = B2T[I]; // Poi 250 lastB2T = B2T[I]; // Pointer to the second slope
253 lastS3T = S3T[I]; // Poi 251 lastS3T = S3T[I]; // Pointer to the third mantissa
254 lastB3T = B3T[I]; // Poi 252 lastB3T = B3T[I]; // Pointer to the rhird slope
255 lastS4T = S4T[I]; // Poi 253 lastS4T = S4T[I]; // Pointer to the 4-th mantissa
256 lastB4T = B4T[I]; // Poi 254 lastB4T = B4T[I]; // Pointer to the 4-th slope
257 } 255 }
258 if(lastLP>lastPIN && lastLP<lPMax) 256 if(lastLP>lastPIN && lastLP<lPMax)
259 { 257 {
260 lastPIN=GetPTables(lastLP,lastPIN,PDG,tg 258 lastPIN=GetPTables(lastLP,lastPIN,PDG,tgZ,tgN);// Can update upper logP-Limit in tabs
261 PIN[I]=lastPIN; // Rem 259 PIN[I]=lastPIN; // Remember the new P-Limit of the tables
262 } 260 }
263 } 261 }
264 else // Thi 262 else // This isotope wasn't initialized => CREATE
265 { 263 {
266 lastPAR = new G4double[nPoints]; // All 264 lastPAR = new G4double[nPoints]; // Allocate memory for parameters of CS function
267 lastPAR[nLast]=0; // Ini 265 lastPAR[nLast]=0; // Initialization for VALGRIND
268 lastCST = new G4double[nPoints]; // All 266 lastCST = new G4double[nPoints]; // Allocate memory for Tabulated CS function
269 lastSST = new G4double[nPoints]; // All 267 lastSST = new G4double[nPoints]; // Allocate memory for Tabulated first sqaredSlope
270 lastS1T = new G4double[nPoints]; // All 268 lastS1T = new G4double[nPoints]; // Allocate memory for Tabulated first mantissa
271 lastB1T = new G4double[nPoints]; // All 269 lastB1T = new G4double[nPoints]; // Allocate memory for Tabulated first slope
272 lastS2T = new G4double[nPoints]; // All 270 lastS2T = new G4double[nPoints]; // Allocate memory for Tabulated second mantissa
273 lastB2T = new G4double[nPoints]; // All 271 lastB2T = new G4double[nPoints]; // Allocate memory for Tabulated second slope
274 lastS3T = new G4double[nPoints]; // All 272 lastS3T = new G4double[nPoints]; // Allocate memory for Tabulated third mantissa
275 lastB3T = new G4double[nPoints]; // All 273 lastB3T = new G4double[nPoints]; // Allocate memory for Tabulated third slope
276 lastS4T = new G4double[nPoints]; // All 274 lastS4T = new G4double[nPoints]; // Allocate memory for Tabulated 4-th mantissa
277 lastB4T = new G4double[nPoints]; // All 275 lastB4T = new G4double[nPoints]; // Allocate memory for Tabulated 4-th slope
278 lastPIN = GetPTables(lastLP,lPMin,PDG,tgZ, 276 lastPIN = GetPTables(lastLP,lPMin,PDG,tgZ,tgN); // Returns the new P-limit for tables
279 PIN.push_back(lastPIN); // Fil 277 PIN.push_back(lastPIN); // Fill parameters of CS function to AMDB
280 PAR.push_back(lastPAR); // Fil 278 PAR.push_back(lastPAR); // Fill parameters of CS function to AMDB
281 CST.push_back(lastCST); // Fil 279 CST.push_back(lastCST); // Fill Tabulated CS function to AMDB
282 SST.push_back(lastSST); // Fil 280 SST.push_back(lastSST); // Fill Tabulated first sq.slope to AMDB
283 S1T.push_back(lastS1T); // Fil 281 S1T.push_back(lastS1T); // Fill Tabulated first mantissa to AMDB
284 B1T.push_back(lastB1T); // Fil 282 B1T.push_back(lastB1T); // Fill Tabulated first slope to AMDB
285 S2T.push_back(lastS2T); // Fil 283 S2T.push_back(lastS2T); // Fill Tabulated second mantissa to AMDB
286 B2T.push_back(lastB2T); // Fil 284 B2T.push_back(lastB2T); // Fill Tabulated second slope to AMDB
287 S3T.push_back(lastS3T); // Fil 285 S3T.push_back(lastS3T); // Fill Tabulated third mantissa to AMDB
288 B3T.push_back(lastB3T); // Fil 286 B3T.push_back(lastB3T); // Fill Tabulated third slope to AMDB
289 S4T.push_back(lastS4T); // Fil 287 S4T.push_back(lastS4T); // Fill Tabulated 4-th mantissa to AMDB
290 B4T.push_back(lastB4T); // Fil 288 B4T.push_back(lastB4T); // Fill Tabulated 4-th slope to AMDB
291 } // End of creation/update of the new set o 289 } // End of creation/update of the new set of parameters and tables
292 // =----------= NOW Update (if necessary) an 290 // =----------= NOW Update (if necessary) and Calculate the Cross Section =-----------=
293 if(lastLP>lastPIN && lastLP<lPMax) 291 if(lastLP>lastPIN && lastLP<lPMax)
294 { 292 {
295 lastPIN = GetPTables(lastLP,lastPIN,PDG,tg 293 lastPIN = GetPTables(lastLP,lastPIN,PDG,tgZ,tgN);
296 } 294 }
297 if(!onlyCS) lastTM=GetQ2max(PDG, tgZ, tgN, p 295 if(!onlyCS) lastTM=GetQ2max(PDG, tgZ, tgN, pMom); // Calculate (-t)_max=Q2_max (GeV2)
298 if(lastLP>lPMin && lastLP<=lastPIN) // Lin 296 if(lastLP>lPMin && lastLP<=lastPIN) // Linear fit is made using precalculated tables
299 { 297 {
300 if(lastLP==lastPIN) 298 if(lastLP==lastPIN)
301 { 299 {
302 G4double shift=(lastLP-lPMin)/dlnP+.0000 300 G4double shift=(lastLP-lPMin)/dlnP+.000001; // Log distance from lPMin
303 G4int blast=static_cast<int>(shift); 301 G4int blast=static_cast<int>(shift); // this is a bin number of the lower edge (0)
304 if(blast<0 || blast>=nLast) G4cout<<"G4Q 302 if(blast<0 || blast>=nLast) G4cout<<"G4QEleastCS::CCS:b="<<blast<<","<<nLast<<G4endl;
305 lastSIG = lastCST[blast]; 303 lastSIG = lastCST[blast];
306 if(!onlyCS) // Ski 304 if(!onlyCS) // Skip the differential cross-section parameters
307 { 305 {
308 theSS = lastSST[blast]; 306 theSS = lastSST[blast];
309 theS1 = lastS1T[blast]; 307 theS1 = lastS1T[blast];
310 theB1 = lastB1T[blast]; 308 theB1 = lastB1T[blast];
311 theS2 = lastS2T[blast]; 309 theS2 = lastS2T[blast];
312 theB2 = lastB2T[blast]; 310 theB2 = lastB2T[blast];
313 theS3 = lastS3T[blast]; 311 theS3 = lastS3T[blast];
314 theB3 = lastB3T[blast]; 312 theB3 = lastB3T[blast];
315 theS4 = lastS4T[blast]; 313 theS4 = lastS4T[blast];
316 theB4 = lastB4T[blast]; 314 theB4 = lastB4T[blast];
317 } 315 }
318 } 316 }
319 else 317 else
320 { 318 {
321 G4double shift=(lastLP-lPMin)/dlnP; 319 G4double shift=(lastLP-lPMin)/dlnP; // a shift from the beginning of the table
322 G4int blast=static_cast<int>(shift); 320 G4int blast=static_cast<int>(shift); // the lower bin number
323 if(blast<0) blast=0; 321 if(blast<0) blast=0;
324 if(blast>=nLast) blast=nLast-1; 322 if(blast>=nLast) blast=nLast-1; // low edge of the last bin
325 shift-=blast; 323 shift-=blast; // step inside the unit bin
326 G4int lastL=blast+1; 324 G4int lastL=blast+1; // the upper bin number
327 G4double SIGL=lastCST[blast]; 325 G4double SIGL=lastCST[blast]; // the basic value of the cross-section
328 lastSIG= SIGL+shift*(lastCST[lastL]-SIGL 326 lastSIG= SIGL+shift*(lastCST[lastL]-SIGL); // calculated total elastic cross-section
329 if(!onlyCS) // Ski 327 if(!onlyCS) // Skip the differential cross-section parameters
330 { 328 {
331 G4double SSTL=lastSST[blast]; 329 G4double SSTL=lastSST[blast]; // the low bin of the first squared slope
332 theSS=SSTL+shift*(lastSST[lastL]-SSTL) 330 theSS=SSTL+shift*(lastSST[lastL]-SSTL); // the basic value of the first sq.slope
333 G4double S1TL=lastS1T[blast]; 331 G4double S1TL=lastS1T[blast]; // the low bin of the first mantissa
334 theS1=S1TL+shift*(lastS1T[lastL]-S1TL) 332 theS1=S1TL+shift*(lastS1T[lastL]-S1TL); // the basic value of the first mantissa
335 G4double B1TL=lastB1T[blast]; 333 G4double B1TL=lastB1T[blast]; // the low bin of the first slope
336 theB1=B1TL+shift*(lastB1T[lastL]-B1TL) 334 theB1=B1TL+shift*(lastB1T[lastL]-B1TL); // the basic value of the first slope
337 G4double S2TL=lastS2T[blast]; 335 G4double S2TL=lastS2T[blast]; // the low bin of the second mantissa
338 theS2=S2TL+shift*(lastS2T[lastL]-S2TL) 336 theS2=S2TL+shift*(lastS2T[lastL]-S2TL); // the basic value of the second mantissa
339 G4double B2TL=lastB2T[blast]; 337 G4double B2TL=lastB2T[blast]; // the low bin of the second slope
340 theB2=B2TL+shift*(lastB2T[lastL]-B2TL) 338 theB2=B2TL+shift*(lastB2T[lastL]-B2TL); // the basic value of the second slope
341 G4double S3TL=lastS3T[blast]; 339 G4double S3TL=lastS3T[blast]; // the low bin of the third mantissa
342 theS3=S3TL+shift*(lastS3T[lastL]-S3TL) 340 theS3=S3TL+shift*(lastS3T[lastL]-S3TL); // the basic value of the third mantissa
343 G4double B3TL=lastB3T[blast]; 341 G4double B3TL=lastB3T[blast]; // the low bin of the third slope
344 theB3=B3TL+shift*(lastB3T[lastL]-B3TL) 342 theB3=B3TL+shift*(lastB3T[lastL]-B3TL); // the basic value of the third slope
345 G4double S4TL=lastS4T[blast]; 343 G4double S4TL=lastS4T[blast]; // the low bin of the 4-th mantissa
346 theS4=S4TL+shift*(lastS4T[lastL]-S4TL) 344 theS4=S4TL+shift*(lastS4T[lastL]-S4TL); // the basic value of the 4-th mantissa
347 G4double B4TL=lastB4T[blast]; 345 G4double B4TL=lastB4T[blast]; // the low bin of the 4-th slope
348 theB4=B4TL+shift*(lastB4T[lastL]-B4TL) 346 theB4=B4TL+shift*(lastB4T[lastL]-B4TL); // the basic value of the 4-th slope
349 } 347 }
350 } 348 }
351 } 349 }
352 else lastSIG=GetTabValues(lastLP, PDG, tgZ, 350 else lastSIG=GetTabValues(lastLP, PDG, tgZ, tgN); // Direct calculation beyond the table
353 if(lastSIG<0.) lastSIG = 0.; 351 if(lastSIG<0.) lastSIG = 0.; // @@ a Warning print can be added
354 return lastSIG; 352 return lastSIG;
355 } 353 }
356 354
357 // It has parameter sets for all tZ/tN/PDG, us 355 // It has parameter sets for all tZ/tN/PDG, using them the tables can be created/updated
358 G4double G4ChipsPionMinusElasticXS::GetPTables 356 G4double G4ChipsPionMinusElasticXS::GetPTables(G4double LP, G4double ILP, G4int PDG,
359 357 G4int tgZ, G4int tgN)
360 { 358 {
361 // @@ At present all nA==pA ---------> Each 359 // @@ At present all nA==pA ---------> Each neucleus can have not more than 51 parameters
362 static const G4double pwd=2727; 360 static const G4double pwd=2727;
363 const G4int n_pimpel=38; // # 361 const G4int n_pimpel=38; // #of parameters for pp-elastic (<nPoints=128)
364 // -0- -1- -2- 362 // -0- -1- -2- -3- -4- -5- -6- -7- -8- -9--10-11-12-
365 G4double pimp_el[n_pimpel]={1.27,1.53,.0676, 363 G4double pimp_el[n_pimpel]={1.27,1.53,.0676,3.5,.36,.04,.017,.0025,.0557,2.4,7.,.7,.6,
366 .05,5.,74.,3.,3. 364 .05,5.,74.,3.,3.4,.2,.17,.001,8.,.055,3.64,5.e-5,4000.,1500.,
367 .46,1.2e6,3.5e6, 365 .46,1.2e6,3.5e6,5.e-5,1.e10,8.5e8,1.e10,1.1,3.4e6,6.8e6,0.};
368 // -13-14--15--16--1 366 // -13-14--15--16--17-18--19--20--21- -22- -23- -24- -25- -26-
369 // -27--28- -29- 367 // -27--28- -29- -30- -31- -32- -33- -34- -35- -36- -37-
370 if(PDG ==-211) 368 if(PDG ==-211)
371 { 369 {
372 // -- Total pp elastic cross section cs & 370 // -- Total pp elastic cross section cs & s1/b1 (main), s2/b2 (tail1), s3/b3 (tail2) --
373 //p2=p*p;p3=p2*p;sp=sqrt(p);p2s=p2*sp;lp=l 371 //p2=p*p;p3=p2*p;sp=sqrt(p);p2s=p2*sp;lp=log(p);dl1=lp-(3.=par(3));p4=p2*p2; p=|3-mom|
374 //CS=2.865/p2s/(1+.0022/p2s)+(18.9+.6461*d 372 //CS=2.865/p2s/(1+.0022/p2s)+(18.9+.6461*dl1*dl1+9./p)/(1.+.425*lp)/(1.+.4276/p4);
375 // par(0) par(7) par(1) par(2) 373 // par(0) par(7) par(1) par(2) par(4) par(5) par(6)
376 //dl2=lp-5., s1=(74.+3.*dl2*dl2)/(1+3.4/p4 374 //dl2=lp-5., s1=(74.+3.*dl2*dl2)/(1+3.4/p4/p)+(.2/p2+17.*p)/(p4+.001*sp),
377 // par(8) par(9) par(10) par(11 375 // par(8) par(9) par(10) par(11) par(12)par(13) par(14)
378 // b1=8.*p**.055/(1.+3.64/p3); s2=5.e-5+40 376 // b1=8.*p**.055/(1.+3.64/p3); s2=5.e-5+4000./(p4+1500.*p); b2=.46+1.2e6/(p4+3.5e6/sp);
379 // par(15) par(16) par(17) par(18) pa 377 // par(15) par(16) par(17) par(18) par(19) par(20) par(21) par(22) par(23)
380 // s3=5.e-5+1.e10/(p4*p4+8.5e8*p2+1.e10); 378 // s3=5.e-5+1.e10/(p4*p4+8.5e8*p2+1.e10); b3=1.1+3.4e6/(p4+6.8e6); ss=0.
381 // par(24) par(25) par(26) par(27) p 379 // par(24) par(25) par(26) par(27) par(28) par(29) par(30) par(31)
382 // 380 //
383 if(lastPAR[nLast]!=pwd) // A unique flag t 381 if(lastPAR[nLast]!=pwd) // A unique flag to avoid the repeatable definition
384 { 382 {
385 if ( tgZ == 1 && tgN == 0 ) 383 if ( tgZ == 1 && tgN == 0 )
386 { 384 {
387 for (G4int ip=0; ip<n_pimpel; ip++) la 385 for (G4int ip=0; ip<n_pimpel; ip++) lastPAR[ip]=pimp_el[ip]; // PiMinus+P
388 } 386 }
389 else 387 else
390 { 388 {
391 G4double a=tgZ+tgN; 389 G4double a=tgZ+tgN;
392 G4double sa=std::sqrt(a); 390 G4double sa=std::sqrt(a);
393 G4double ssa=std::sqrt(sa); 391 G4double ssa=std::sqrt(sa);
394 G4double asa=a*sa; 392 G4double asa=a*sa;
395 G4double a2=a*a; 393 G4double a2=a*a;
396 G4double a3=a2*a; 394 G4double a3=a2*a;
397 G4double a4=a3*a; 395 G4double a4=a3*a;
398 G4double a5=a4*a; 396 G4double a5=a4*a;
399 G4double a6=a4*a2; 397 G4double a6=a4*a2;
400 G4double a7=a6*a; 398 G4double a7=a6*a;
401 G4double a8=a7*a; 399 G4double a8=a7*a;
402 G4double a9=a8*a; 400 G4double a9=a8*a;
403 G4double a10=a5*a5; 401 G4double a10=a5*a5;
404 G4double a12=a6*a6; 402 G4double a12=a6*a6;
405 G4double a14=a7*a7; 403 G4double a14=a7*a7;
406 G4double a16=a8*a8; 404 G4double a16=a8*a8;
407 G4double a17=a16*a; 405 G4double a17=a16*a;
408 //G4double a20=a16*a4; 406 //G4double a20=a16*a4;
409 G4double a32=a16*a16; 407 G4double a32=a16*a16;
410 // Reaction cross-section parameters ( 408 // Reaction cross-section parameters (pel=peh_fit.f)
411 lastPAR[0]=(.95*sa+2.E5/a16)/(1.+17/a) 409 lastPAR[0]=(.95*sa+2.E5/a16)/(1.+17/a); // p1
412 lastPAR[1]=a/(1./4.4+1./a); 410 lastPAR[1]=a/(1./4.4+1./a); // p2
413 lastPAR[2]=.22/G4Pow::GetInstance()->p << 411 lastPAR[2]=.22/std::pow(a,.33); // p3
414 lastPAR[3]=.5*a/(1.+3./a+1800./a8); 412 lastPAR[3]=.5*a/(1.+3./a+1800./a8); // p4
415 lastPAR[4]=3.E-4*G4Pow::GetInstance()- << 413 lastPAR[4]=3.E-4*std::pow(a,.32)/(1.+14./a2); // p5
416 lastPAR[5]=0.; 414 lastPAR[5]=0.; // p6 not used
417 lastPAR[6]=(.55+.001*a2)/(1.+4.E-4*a2) 415 lastPAR[6]=(.55+.001*a2)/(1.+4.E-4*a2); // p7
418 lastPAR[7]=(.0002/asa+4.E-9*a)/(1.+9./ 416 lastPAR[7]=(.0002/asa+4.E-9*a)/(1.+9./a4); // p8
419 lastPAR[8]=0.; 417 lastPAR[8]=0.; // p9 not used
420 // @@ the differential cross-section i 418 // @@ the differential cross-section is parameterized separately for A>6 & A<7
421 if(a<6.5) 419 if(a<6.5)
422 { 420 {
423 G4double a28=a16*a12; 421 G4double a28=a16*a12;
424 // The main pre-exponent (pel_s 422 // The main pre-exponent (pel_sg)
425 lastPAR[ 9]=4000*a; 423 lastPAR[ 9]=4000*a; // p1
426 lastPAR[10]=1.2e7*a8+380*a17; 424 lastPAR[10]=1.2e7*a8+380*a17; // p2
427 lastPAR[11]=.7/(1.+4.e-12*a16); 425 lastPAR[11]=.7/(1.+4.e-12*a16); // p3
428 lastPAR[12]=2.5/a8/(a4+1.e-16*a32); 426 lastPAR[12]=2.5/a8/(a4+1.e-16*a32); // p4
429 lastPAR[13]=.28*a; 427 lastPAR[13]=.28*a; // p5
430 lastPAR[14]=1.2*a2+2.3; 428 lastPAR[14]=1.2*a2+2.3; // p6
431 lastPAR[15]=3.8/a; 429 lastPAR[15]=3.8/a; // p7
432 // The main slope (pel_s 430 // The main slope (pel_sl)
433 lastPAR[16]=.01/(1.+.0024*a5); 431 lastPAR[16]=.01/(1.+.0024*a5); // p1
434 lastPAR[17]=.2*a; 432 lastPAR[17]=.2*a; // p2
435 lastPAR[18]=9.e-7/(1.+.035*a5); 433 lastPAR[18]=9.e-7/(1.+.035*a5); // p3
436 lastPAR[19]=(42.+2.7e-11*a16)/(1.+.1 434 lastPAR[19]=(42.+2.7e-11*a16)/(1.+.14*a); // p4
437 // The main quadratic (pel_s 435 // The main quadratic (pel_sh)
438 lastPAR[20]=2.25*a3; 436 lastPAR[20]=2.25*a3; // p1
439 lastPAR[21]=18.; 437 lastPAR[21]=18.; // p2
440 lastPAR[22]=2.4e-3*a8/(1.+2.6e-4*a7) 438 lastPAR[22]=2.4e-3*a8/(1.+2.6e-4*a7); // p3
441 lastPAR[23]=3.5e-36*a32*a8/(1.+5.e-1 439 lastPAR[23]=3.5e-36*a32*a8/(1.+5.e-15*a32/a); // p4
442 // The 1st max pre-exponent (pel_q 440 // The 1st max pre-exponent (pel_qq)
443 lastPAR[24]=1.e5/(a8+2.5e12/a16); 441 lastPAR[24]=1.e5/(a8+2.5e12/a16); // p1
444 lastPAR[25]=8.e7/(a12+1.e-27*a28*a28 442 lastPAR[25]=8.e7/(a12+1.e-27*a28*a28); // p2
445 lastPAR[26]=.0006*a3; 443 lastPAR[26]=.0006*a3; // p3
446 // The 1st max slope (pel_q 444 // The 1st max slope (pel_qs)
447 lastPAR[27]=10.+4.e-8*a12*a; 445 lastPAR[27]=10.+4.e-8*a12*a; // p1
448 lastPAR[28]=.114; 446 lastPAR[28]=.114; // p2
449 lastPAR[29]=.003; 447 lastPAR[29]=.003; // p3
450 lastPAR[30]=2.e-23; 448 lastPAR[30]=2.e-23; // p4
451 // The effective pre-exponent (pel_s 449 // The effective pre-exponent (pel_ss)
452 lastPAR[31]=1./(1.+.0001*a8); 450 lastPAR[31]=1./(1.+.0001*a8); // p1
453 lastPAR[32]=1.5e-4/(1.+5.e-6*a12); 451 lastPAR[32]=1.5e-4/(1.+5.e-6*a12); // p2
454 lastPAR[33]=.03; 452 lastPAR[33]=.03; // p3
455 // The effective slope (pel_s 453 // The effective slope (pel_sb)
456 lastPAR[34]=a/2; 454 lastPAR[34]=a/2; // p1
457 lastPAR[35]=2.e-7*a4; 455 lastPAR[35]=2.e-7*a4; // p2
458 lastPAR[36]=4.; 456 lastPAR[36]=4.; // p3
459 lastPAR[37]=64./a3; 457 lastPAR[37]=64./a3; // p4
460 // The gloria pre-exponent (pel_u 458 // The gloria pre-exponent (pel_us)
461 lastPAR[38]=1.e8*G4Exp(.32*asa); << 459 lastPAR[38]=1.e8*std::exp(.32*asa); // p1
462 lastPAR[39]=20.*G4Exp(.45*asa); << 460 lastPAR[39]=20.*std::exp(.45*asa); // p2
463 lastPAR[40]=7.e3+2.4e6/a5; 461 lastPAR[40]=7.e3+2.4e6/a5; // p3
464 lastPAR[41]=2.5e5*G4Exp(.085*a3); << 462 lastPAR[41]=2.5e5*std::exp(.085*a3); // p4
465 lastPAR[42]=2.5*a; 463 lastPAR[42]=2.5*a; // p5
466 // The gloria slope (pel_u 464 // The gloria slope (pel_ub)
467 lastPAR[43]=920.+.03*a8*a3; 465 lastPAR[43]=920.+.03*a8*a3; // p1
468 lastPAR[44]=93.+.0023*a12; 466 lastPAR[44]=93.+.0023*a12; // p2
469 } 467 }
470 else 468 else
471 { 469 {
472 G4double p1a10=2.2e-28*a10; 470 G4double p1a10=2.2e-28*a10;
473 G4double r4a16=6.e14/a16; 471 G4double r4a16=6.e14/a16;
474 G4double s4a16=r4a16*r4a16; 472 G4double s4a16=r4a16*r4a16;
475 // a24 473 // a24
476 // a36 474 // a36
477 // The main pre-exponent (peh_s 475 // The main pre-exponent (peh_sg)
478 lastPAR[ 9]=4.5*G4Pow::GetInstance() << 476 lastPAR[ 9]=4.5*std::pow(a,1.15); // p1
479 lastPAR[10]=.06*G4Pow::GetInstance() << 477 lastPAR[10]=.06*std::pow(a,.6); // p2
480 lastPAR[11]=.6*a/(1.+2.e15/a16); 478 lastPAR[11]=.6*a/(1.+2.e15/a16); // p3
481 lastPAR[12]=.17/(a+9.e5/a3+1.5e33/a3 479 lastPAR[12]=.17/(a+9.e5/a3+1.5e33/a32); // p4
482 lastPAR[13]=(.001+7.e-11*a5)/(1.+4.4 480 lastPAR[13]=(.001+7.e-11*a5)/(1.+4.4e-11*a5); // p5
483 lastPAR[14]=(p1a10*p1a10+2.e-29)/(1. 481 lastPAR[14]=(p1a10*p1a10+2.e-29)/(1.+2.e-22*a12); // p6
484 // The main slope (peh_s 482 // The main slope (peh_sl)
485 lastPAR[15]=400./a12+2.e-22*a9; 483 lastPAR[15]=400./a12+2.e-22*a9; // p1
486 lastPAR[16]=1.e-32*a12/(1.+5.e22/a14 484 lastPAR[16]=1.e-32*a12/(1.+5.e22/a14); // p2
487 lastPAR[17]=1000./a2+9.5*sa*ssa; 485 lastPAR[17]=1000./a2+9.5*sa*ssa; // p3
488 lastPAR[18]=4.e-6*a*asa+1.e11/a16; 486 lastPAR[18]=4.e-6*a*asa+1.e11/a16; // p4
489 lastPAR[19]=(120./a+.002*a2)/(1.+2.e 487 lastPAR[19]=(120./a+.002*a2)/(1.+2.e14/a16); // p5
490 lastPAR[20]=9.+100./a; 488 lastPAR[20]=9.+100./a; // p6
491 // The main quadratic (peh_s 489 // The main quadratic (peh_sh)
492 lastPAR[21]=.002*a3+3.e7/a6; 490 lastPAR[21]=.002*a3+3.e7/a6; // p1
493 lastPAR[22]=7.e-15*a4*asa; 491 lastPAR[22]=7.e-15*a4*asa; // p2
494 lastPAR[23]=9000./a4; 492 lastPAR[23]=9000./a4; // p3
495 // The 1st max pre-exponent (peh_q 493 // The 1st max pre-exponent (peh_qq)
496 lastPAR[24]=.0011*asa/(1.+3.e34/a32/ 494 lastPAR[24]=.0011*asa/(1.+3.e34/a32/a4); // p1
497 lastPAR[25]=1.e-5*a2+2.e14/a16; 495 lastPAR[25]=1.e-5*a2+2.e14/a16; // p2
498 lastPAR[26]=1.2e-11*a2/(1.+1.5e19/a1 496 lastPAR[26]=1.2e-11*a2/(1.+1.5e19/a12); // p3
499 lastPAR[27]=.016*asa/(1.+5.e16/a16); 497 lastPAR[27]=.016*asa/(1.+5.e16/a16); // p4
500 // The 1st max slope (peh_q 498 // The 1st max slope (peh_qs)
501 lastPAR[28]=.002*a4/(1.+7.e7/G4Pow:: << 499 lastPAR[28]=.002*a4/(1.+7.e7/std::pow(a-6.83,14)); // p1
502 lastPAR[29]=2.e6/a6+7.2/G4Pow::GetIn << 500 lastPAR[29]=2.e6/a6+7.2/std::pow(a,.11); // p2
503 lastPAR[30]=11.*a3/(1.+7.e23/a16/a8) 501 lastPAR[30]=11.*a3/(1.+7.e23/a16/a8); // p3
504 lastPAR[31]=100./asa; 502 lastPAR[31]=100./asa; // p4
505 // The 2nd max pre-exponent (peh_s 503 // The 2nd max pre-exponent (peh_ss)
506 lastPAR[32]=(.1+4.4e-5*a2)/(1.+5.e5/ 504 lastPAR[32]=(.1+4.4e-5*a2)/(1.+5.e5/a4); // p1
507 lastPAR[33]=3.5e-4*a2/(1.+1.e8/a8); 505 lastPAR[33]=3.5e-4*a2/(1.+1.e8/a8); // p2
508 lastPAR[34]=1.3+3.e5/a4; 506 lastPAR[34]=1.3+3.e5/a4; // p3
509 lastPAR[35]=500./(a2+50.)+3; 507 lastPAR[35]=500./(a2+50.)+3; // p4
510 lastPAR[36]=1.e-9/a+s4a16*s4a16; 508 lastPAR[36]=1.e-9/a+s4a16*s4a16; // p5
511 // The 2nd max slope (peh_s 509 // The 2nd max slope (peh_sb)
512 lastPAR[37]=.4*asa+3.e-9*a6; 510 lastPAR[37]=.4*asa+3.e-9*a6; // p1
513 lastPAR[38]=.0005*a5; 511 lastPAR[38]=.0005*a5; // p2
514 lastPAR[39]=.002*a5; 512 lastPAR[39]=.002*a5; // p3
515 lastPAR[40]=10.; 513 lastPAR[40]=10.; // p4
516 // The effective pre-exponent (peh_u 514 // The effective pre-exponent (peh_us)
517 lastPAR[41]=.05+.005*a; 515 lastPAR[41]=.05+.005*a; // p1
518 lastPAR[42]=7.e-8/sa; 516 lastPAR[42]=7.e-8/sa; // p2
519 lastPAR[43]=.8*sa; 517 lastPAR[43]=.8*sa; // p3
520 lastPAR[44]=.02*sa; 518 lastPAR[44]=.02*sa; // p4
521 lastPAR[45]=1.e8/a3; 519 lastPAR[45]=1.e8/a3; // p5
522 lastPAR[46]=3.e32/(a32+1.e32); 520 lastPAR[46]=3.e32/(a32+1.e32); // p6
523 // The effective slope (peh_u 521 // The effective slope (peh_ub)
524 lastPAR[47]=24.; 522 lastPAR[47]=24.; // p1
525 lastPAR[48]=20./sa; 523 lastPAR[48]=20./sa; // p2
526 lastPAR[49]=7.e3*a/(sa+1.); 524 lastPAR[49]=7.e3*a/(sa+1.); // p3
527 lastPAR[50]=900.*sa/(1.+500./a3); 525 lastPAR[50]=900.*sa/(1.+500./a3); // p4
528 } 526 }
529 // Parameter for lowEnergyNeutrons 527 // Parameter for lowEnergyNeutrons
530 lastPAR[51]=1.e15+2.e27/a4/(1.+2.e-18* 528 lastPAR[51]=1.e15+2.e27/a4/(1.+2.e-18*a16);
531 } 529 }
532 lastPAR[nLast]=pwd; 530 lastPAR[nLast]=pwd;
533 // and initialize the zero element of th 531 // and initialize the zero element of the table
534 G4double lp=lPMin; 532 G4double lp=lPMin; // ln(momentum)
535 G4bool memCS=onlyCS; 533 G4bool memCS=onlyCS; // ??
536 onlyCS=false; 534 onlyCS=false;
537 lastCST[0]=GetTabValues(lp, PDG, tgZ, tg 535 lastCST[0]=GetTabValues(lp, PDG, tgZ, tgN); // Calculate AMDB tables
538 onlyCS=memCS; 536 onlyCS=memCS;
539 lastSST[0]=theSS; 537 lastSST[0]=theSS;
540 lastS1T[0]=theS1; 538 lastS1T[0]=theS1;
541 lastB1T[0]=theB1; 539 lastB1T[0]=theB1;
542 lastS2T[0]=theS2; 540 lastS2T[0]=theS2;
543 lastB2T[0]=theB2; 541 lastB2T[0]=theB2;
544 lastS3T[0]=theS3; 542 lastS3T[0]=theS3;
545 lastB3T[0]=theB3; 543 lastB3T[0]=theB3;
546 lastS4T[0]=theS4; 544 lastS4T[0]=theS4;
547 lastB4T[0]=theB4; 545 lastB4T[0]=theB4;
548 } 546 }
549 if(LP>ILP) 547 if(LP>ILP)
550 { 548 {
551 G4int ini = static_cast<int>((ILP-lPMin+ 549 G4int ini = static_cast<int>((ILP-lPMin+.000001)/dlnP)+1; // already inited till this
552 if(ini<0) ini=0; 550 if(ini<0) ini=0;
553 if(ini<nPoints) 551 if(ini<nPoints)
554 { 552 {
555 G4int fin = static_cast<int>((LP-lPMin 553 G4int fin = static_cast<int>((LP-lPMin)/dlnP)+1; // final bin of initialization
556 if(fin>=nPoints) fin=nLast; 554 if(fin>=nPoints) fin=nLast; // Limit of the tabular initialization
557 if(fin>=ini) 555 if(fin>=ini)
558 { 556 {
559 G4double lp=0.; 557 G4double lp=0.;
560 for(G4int ip=ini; ip<=fin; ip++) 558 for(G4int ip=ini; ip<=fin; ip++) // Calculate tabular CS,S1,B1,S2,B2,S3,B3
561 { 559 {
562 lp=lPMin+ip*dlnP; 560 lp=lPMin+ip*dlnP; // ln(momentum)
563 G4bool memCS=onlyCS; 561 G4bool memCS=onlyCS;
564 onlyCS=false; 562 onlyCS=false;
565 lastCST[ip]=GetTabValues(lp, PDG, 563 lastCST[ip]=GetTabValues(lp, PDG, tgZ, tgN); // Calculate AMDB tables (ret CS)
566 onlyCS=memCS; 564 onlyCS=memCS;
567 lastSST[ip]=theSS; 565 lastSST[ip]=theSS;
568 lastS1T[ip]=theS1; 566 lastS1T[ip]=theS1;
569 lastB1T[ip]=theB1; 567 lastB1T[ip]=theB1;
570 lastS2T[ip]=theS2; 568 lastS2T[ip]=theS2;
571 lastB2T[ip]=theB2; 569 lastB2T[ip]=theB2;
572 lastS3T[ip]=theS3; 570 lastS3T[ip]=theS3;
573 lastB3T[ip]=theB3; 571 lastB3T[ip]=theB3;
574 lastS4T[ip]=theS4; 572 lastS4T[ip]=theS4;
575 lastB4T[ip]=theB4; 573 lastB4T[ip]=theB4;
576 } 574 }
577 return lp; 575 return lp;
578 } 576 }
579 else G4cout<<"*Warning*G4ChipsPionMinu 577 else G4cout<<"*Warning*G4ChipsPionMinusElasticXS::GetPTables: PDG="<<PDG
580 <<", Z="<<tgZ<<", N="<<tgN< 578 <<", Z="<<tgZ<<", N="<<tgN<<", i="<<ini<<" > fin="<<fin<<", LP="<<LP
581 <<" > ILP="<<ILP<<" nothing 579 <<" > ILP="<<ILP<<" nothing is done!"<<G4endl;
582 } 580 }
583 else G4cout<<"*Warning*G4ChipsPionMinusE 581 else G4cout<<"*Warning*G4ChipsPionMinusElasticXS::GetPTables: PDG="<<PDG
584 <<", Z="<<tgZ<<", N="<<tgN<<" 582 <<", Z="<<tgZ<<", N="<<tgN<<", i="<<ini<<">= max="<<nPoints<<", LP="<<LP
585 <<" > ILP="<<ILP<<", lPMax="< 583 <<" > ILP="<<ILP<<", lPMax="<<lPMax<<" nothing is done!"<<G4endl;
586 } 584 }
587 } 585 }
588 else 586 else
589 { 587 {
590 // G4cout<<"*Error*G4ChipsPionMinusElastic 588 // G4cout<<"*Error*G4ChipsPionMinusElasticXS::GetPTables: PDG="<<PDG<<", Z="<<tgZ
591 // <<", N="<<tgN<<", while it is def 589 // <<", N="<<tgN<<", while it is defined only for PDG=-211"<<G4endl;
592 // throw G4QException("G4ChipsPionMinusEla 590 // throw G4QException("G4ChipsPionMinusElasticXS::GetPTables:onlyPipA implemented");
593 G4ExceptionDescription ed; 591 G4ExceptionDescription ed;
594 ed << "PDG = " << PDG << ", Z = " << tgZ < 592 ed << "PDG = " << PDG << ", Z = " << tgZ << ", N = " << tgN
595 << ", while it is defined only for PDG= 593 << ", while it is defined only for PDG=-211 (pi-)" << G4endl;
596 G4Exception("G4ChipsPionMinusElasticXS::Ge 594 G4Exception("G4ChipsPionMinusElasticXS::GetPTables()", "HAD_CHPS_0000",
597 FatalException, ed); 595 FatalException, ed);
598 } 596 }
599 return ILP; 597 return ILP;
600 } 598 }
601 599
602 // Returns Q2=-t in independent units (MeV^2) 600 // Returns Q2=-t in independent units (MeV^2) (all internal calculations are in GeV)
603 G4double G4ChipsPionMinusElasticXS::GetExchang 601 G4double G4ChipsPionMinusElasticXS::GetExchangeT(G4int tgZ, G4int tgN, G4int PDG)
604 { 602 {
605 static const G4double GeVSQ=gigaelectronvolt 603 static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
606 static const G4double third=1./3.; 604 static const G4double third=1./3.;
607 static const G4double fifth=1./5.; 605 static const G4double fifth=1./5.;
608 static const G4double sevth=1./7.; 606 static const G4double sevth=1./7.;
609 if(PDG!=-211)G4cout<<"Warning*G4ChipsPionMin 607 if(PDG!=-211)G4cout<<"Warning*G4ChipsPionMinusElasticXS::GetExT:PDG="<<PDG<<G4endl;
610 if(onlyCS)G4cout<<"Warning*G4ChipsPionMinusE 608 if(onlyCS)G4cout<<"Warning*G4ChipsPionMinusElasticXS::GetExchanT:onlyCS=1"<<G4endl;
611 if(lastLP<-4.3) return lastTM*GeVSQ*G4Unifor 609 if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
612 G4double q2=0.; 610 G4double q2=0.;
613 if(tgZ==1 && tgN==0) // ===> 611 if(tgZ==1 && tgN==0) // ===> p+p=p+p
614 { 612 {
615 G4double E1=lastTM*theB1; 613 G4double E1=lastTM*theB1;
616 G4double R1=(1.-G4Exp(-E1)); << 614 G4double R1=(1.-std::exp(-E1));
617 G4double E2=lastTM*theB2; 615 G4double E2=lastTM*theB2;
618 G4double R2=(1.-G4Exp(-E2*E2*E2)); << 616 G4double R2=(1.-std::exp(-E2*E2*E2));
619 G4double E3=lastTM*theB3; 617 G4double E3=lastTM*theB3;
620 G4double R3=(1.-G4Exp(-E3)); << 618 G4double R3=(1.-std::exp(-E3));
621 G4double I1=R1*theS1/theB1; 619 G4double I1=R1*theS1/theB1;
622 G4double I2=R2*theS2; 620 G4double I2=R2*theS2;
623 G4double I3=R3*theS3; 621 G4double I3=R3*theS3;
624 G4double I12=I1+I2; 622 G4double I12=I1+I2;
625 G4double rand=(I12+I3)*G4UniformRand(); 623 G4double rand=(I12+I3)*G4UniformRand();
626 if (rand<I1 ) 624 if (rand<I1 )
627 { 625 {
628 G4double ran=R1*G4UniformRand(); 626 G4double ran=R1*G4UniformRand();
629 if(ran>1.) ran=1.; 627 if(ran>1.) ran=1.;
630 q2=-G4Log(1.-ran)/theB1; << 628 q2=-std::log(1.-ran)/theB1;
631 } 629 }
632 else if(rand<I12) 630 else if(rand<I12)
633 { 631 {
634 G4double ran=R2*G4UniformRand(); 632 G4double ran=R2*G4UniformRand();
635 if(ran>1.) ran=1.; 633 if(ran>1.) ran=1.;
636 q2=-G4Log(1.-ran); << 634 q2=-std::log(1.-ran);
637 if(q2<0.) q2=0.; 635 if(q2<0.) q2=0.;
638 q2=G4Pow::GetInstance()->powA(q2,third)/ << 636 q2=std::pow(q2,third)/theB2;
639 } 637 }
640 else 638 else
641 { 639 {
642 G4double ran=R3*G4UniformRand(); 640 G4double ran=R3*G4UniformRand();
643 if(ran>1.) ran=1.; 641 if(ran>1.) ran=1.;
644 q2=-G4Log(1.-ran)/theB3; << 642 q2=-std::log(1.-ran)/theB3;
645 } 643 }
646 } 644 }
647 else 645 else
648 { 646 {
649 G4double a=tgZ+tgN; 647 G4double a=tgZ+tgN;
650 G4double E1=lastTM*(theB1+lastTM*theSS); 648 G4double E1=lastTM*(theB1+lastTM*theSS);
651 G4double R1=(1.-G4Exp(-E1)); << 649 G4double R1=(1.-std::exp(-E1));
652 G4double tss=theSS+theSS; // for future so 650 G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
653 G4double tm2=lastTM*lastTM; 651 G4double tm2=lastTM*lastTM;
654 G4double E2=lastTM*tm2*theB2; 652 G4double E2=lastTM*tm2*theB2; // power 3 for lowA, 5 for HighA (1st)
655 if(a>6.5)E2*=tm2; 653 if(a>6.5)E2*=tm2; // for heavy nuclei
656 G4double R2=(1.-G4Exp(-E2)); << 654 G4double R2=(1.-std::exp(-E2));
657 G4double E3=lastTM*theB3; 655 G4double E3=lastTM*theB3;
658 if(a>6.5)E3*=tm2*tm2*tm2; 656 if(a>6.5)E3*=tm2*tm2*tm2; // power 1 for lowA, 7 (2nd) for HighA
659 G4double R3=(1.-G4Exp(-E3)); << 657 G4double R3=(1.-std::exp(-E3));
660 G4double E4=lastTM*theB4; 658 G4double E4=lastTM*theB4;
661 G4double R4=(1.-G4Exp(-E4)); << 659 G4double R4=(1.-std::exp(-E4));
662 G4double I1=R1*theS1; 660 G4double I1=R1*theS1;
663 G4double I2=R2*theS2; 661 G4double I2=R2*theS2;
664 G4double I3=R3*theS3; 662 G4double I3=R3*theS3;
665 G4double I4=R4*theS4; 663 G4double I4=R4*theS4;
666 G4double I12=I1+I2; 664 G4double I12=I1+I2;
667 G4double I13=I12+I3; 665 G4double I13=I12+I3;
668 G4double rand=(I13+I4)*G4UniformRand(); 666 G4double rand=(I13+I4)*G4UniformRand();
669 if(rand<I1) 667 if(rand<I1)
670 { 668 {
671 G4double ran=R1*G4UniformRand(); 669 G4double ran=R1*G4UniformRand();
672 if(ran>1.) ran=1.; 670 if(ran>1.) ran=1.;
673 q2=-G4Log(1.-ran)/theB1; << 671 q2=-std::log(1.-ran)/theB1;
674 if(std::fabs(tss)>1.e-7) q2=(std::sqrt(t 672 if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
675 } 673 }
676 else if(rand<I12) 674 else if(rand<I12)
677 { 675 {
678 G4double ran=R2*G4UniformRand(); 676 G4double ran=R2*G4UniformRand();
679 if(ran>1.) ran=1.; 677 if(ran>1.) ran=1.;
680 q2=-G4Log(1.-ran)/theB2; << 678 q2=-std::log(1.-ran)/theB2;
681 if(q2<0.) q2=0.; 679 if(q2<0.) q2=0.;
682 if(a<6.5) q2=G4Pow::GetInstance()->powA( << 680 if(a<6.5) q2=std::pow(q2,third);
683 else q2=G4Pow::GetInstance()->powA( << 681 else q2=std::pow(q2,fifth);
684 } 682 }
685 else if(rand<I13) 683 else if(rand<I13)
686 { 684 {
687 G4double ran=R3*G4UniformRand(); 685 G4double ran=R3*G4UniformRand();
688 if(ran>1.) ran=1.; 686 if(ran>1.) ran=1.;
689 q2=-G4Log(1.-ran)/theB3; << 687 q2=-std::log(1.-ran)/theB3;
690 if(q2<0.) q2=0.; 688 if(q2<0.) q2=0.;
691 if(a>6.5) q2=G4Pow::GetInstance()->powA( << 689 if(a>6.5) q2=std::pow(q2,sevth);
692 } 690 }
693 else 691 else
694 { 692 {
695 G4double ran=R4*G4UniformRand(); 693 G4double ran=R4*G4UniformRand();
696 if(ran>1.) ran=1.; 694 if(ran>1.) ran=1.;
697 q2=-G4Log(1.-ran)/theB4; << 695 q2=-std::log(1.-ran)/theB4;
698 if(a<6.5) q2=lastTM-q2; 696 if(a<6.5) q2=lastTM-q2; // u reduced for lightA (starts from 0)
699 } 697 }
700 } 698 }
701 if(q2<0.) q2=0.; 699 if(q2<0.) q2=0.;
702 if(!(q2>=-1.||q2<=1.)) G4cout<<"*NAN*G4QElas 700 if(!(q2>=-1.||q2<=1.)) G4cout<<"*NAN*G4QElasticCrossSect::GetExchangeT: -t="<<q2<<G4endl;
703 if(q2>lastTM) 701 if(q2>lastTM)
704 { 702 {
705 q2=lastTM; 703 q2=lastTM;
706 } 704 }
707 return q2*GeVSQ; 705 return q2*GeVSQ;
708 } 706 }
709 707
710 // Returns B in independent units (MeV^-2) (al 708 // Returns B in independent units (MeV^-2) (all internal calculations are in GeV) see ExT
711 G4double G4ChipsPionMinusElasticXS::GetSlope(G 709 G4double G4ChipsPionMinusElasticXS::GetSlope(G4int tgZ, G4int tgN, G4int PDG)
712 { 710 {
713 static const G4double GeVSQ=gigaelectronvolt 711 static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
714 if(onlyCS)G4cout<<"Warning*G4ChipsPionMinusE 712 if(onlyCS)G4cout<<"Warning*G4ChipsPionMinusElasticXS::GetSlope:onlCS=true"<<G4endl;
715 if(lastLP<-4.3) return 0.; // S-wav 713 if(lastLP<-4.3) return 0.; // S-wave for p<14 MeV/c (kinE<.1MeV)
716 if(PDG !=-211) 714 if(PDG !=-211)
717 { 715 {
718 // G4cout<<"*Error*G4ChipsPionMinusElastic 716 // G4cout<<"*Error*G4ChipsPionMinusElasticXS::GetSlope: PDG="<<PDG<<", Z="<<tgZ
719 // <<", N="<<tgN<<", while it is def 717 // <<", N="<<tgN<<", while it is defined only for PDG=-211"<<G4endl;
720 // throw G4QException("G4ChipsPionMinusEla 718 // throw G4QException("G4ChipsPionMinusElasticXS::GetSlope: pipA are implemented");
721 G4ExceptionDescription ed; 719 G4ExceptionDescription ed;
722 ed << "PDG = " << PDG << ", Z = " << tgZ < 720 ed << "PDG = " << PDG << ", Z = " << tgZ << ", N = " << tgN
723 << ", while it is defined only for PDG= 721 << ", while it is defined only for PDG=-211" << G4endl;
724 G4Exception("G4ChipsPionMinusElasticXS::Ge 722 G4Exception("G4ChipsPionMinusElasticXS::GetSlope()", "HAD_CHPS_0000",
725 FatalException, ed); 723 FatalException, ed);
726 } 724 }
727 if(theB1<0.) theB1=0.; 725 if(theB1<0.) theB1=0.;
728 if(!(theB1>=-1.||theB1<=1.))G4cout<<"*NAN*G4 726 if(!(theB1>=-1.||theB1<=1.))G4cout<<"*NAN*G4QElasticCrossSect::Getslope:"<<theB1<<G4endl;
729 return theB1/GeVSQ; 727 return theB1/GeVSQ;
730 } 728 }
731 729
732 // Returns half max(Q2=-t) in independent unit 730 // Returns half max(Q2=-t) in independent units (MeV^2)
733 G4double G4ChipsPionMinusElasticXS::GetHMaxT() 731 G4double G4ChipsPionMinusElasticXS::GetHMaxT()
734 { 732 {
735 static const G4double HGeVSQ=gigaelectronvol 733 static const G4double HGeVSQ=gigaelectronvolt*gigaelectronvolt/2.;
736 return lastTM*HGeVSQ; 734 return lastTM*HGeVSQ;
737 } 735 }
738 736
739 // lastLP is used, so calculating tables, one 737 // lastLP is used, so calculating tables, one need to remember and then recover lastLP
740 G4double G4ChipsPionMinusElasticXS::GetTabValu 738 G4double G4ChipsPionMinusElasticXS::GetTabValues(G4double lp, G4int PDG, G4int tgZ,
741 739 G4int tgN)
742 { 740 {
743 if(PDG!=-211)G4cout<<"*Warn*G4ChipsPionMinus 741 if(PDG!=-211)G4cout<<"*Warn*G4ChipsPionMinusElasticXS::GetTabV: PDG="<<PDG<<G4endl;
744 << 742 if(tgZ<0 || tgZ>92)
745 //AR-24Apr2018 Switch to allow transuranic e <<
746 const G4bool isHeavyElementAllowed = true; <<
747 if(tgZ<0 || ( !isHeavyElementAllowed && tgZ> <<
748 { 743 {
749 G4cout<<"*Warning*G4QPionPlusElCS::GetTabV 744 G4cout<<"*Warning*G4QPionPlusElCS::GetTabValue:(1-92) No isotopes for Z="<<tgZ<<G4endl;
750 return 0.; 745 return 0.;
751 } 746 }
752 G4int iZ=tgZ-1; // Z index 747 G4int iZ=tgZ-1; // Z index
753 if(iZ<0) 748 if(iZ<0)
754 { 749 {
755 iZ=0; // conversion of the neutron 750 iZ=0; // conversion of the neutron target to the proton target
756 tgZ=1; 751 tgZ=1;
757 tgN=0; 752 tgN=0;
758 } 753 }
759 G4double p=G4Exp(lp); // moment << 754 G4double p=std::exp(lp); // momentum
760 G4double sp=std::sqrt(p); // sqr 755 G4double sp=std::sqrt(p); // sqrt(p)
761 G4double p2=p*p; 756 G4double p2=p*p;
762 G4double p3=p2*p; 757 G4double p3=p2*p;
763 G4double p4=p3*p; 758 G4double p4=p3*p;
764 if ( tgZ == 1 && tgN == 0 ) // PiMin+P 759 if ( tgZ == 1 && tgN == 0 ) // PiMin+P
765 { 760 {
766 G4double dl2=lp-lastPAR[14]; 761 G4double dl2=lp-lastPAR[14];
767 theSS=lastPAR[37]; 762 theSS=lastPAR[37];
768 theS1=(lastPAR[15]+lastPAR[16]*dl2*dl2)/(1 763 theS1=(lastPAR[15]+lastPAR[16]*dl2*dl2)/(1.+lastPAR[17]/p4/p)+
769 (lastPAR[18]/p2+lastPAR[19]*p)/(p4+l 764 (lastPAR[18]/p2+lastPAR[19]*p)/(p4+lastPAR[20]*sp);
770 theB1=lastPAR[21]*G4Pow::GetInstance()->po << 765 theB1=lastPAR[21]*std::pow(p,lastPAR[22])/(1.+lastPAR[23]/p3);
771 theS2=lastPAR[24]+lastPAR[25]/(p4+lastPAR[ 766 theS2=lastPAR[24]+lastPAR[25]/(p4+lastPAR[26]*p);
772 theB2=lastPAR[27]+lastPAR[28]/(p4+lastPAR[ 767 theB2=lastPAR[27]+lastPAR[28]/(p4+lastPAR[29]/sp);
773 theS3=lastPAR[30]+lastPAR[31]/(p4*p4+lastP 768 theS3=lastPAR[30]+lastPAR[31]/(p4*p4+lastPAR[32]*p2+lastPAR[33]);
774 theB3=lastPAR[34]+lastPAR[35]/(p4+lastPAR[ 769 theB3=lastPAR[34]+lastPAR[35]/(p4+lastPAR[36]);
775 theS4=0.; 770 theS4=0.;
776 theB4=0.; 771 theB4=0.;
777 // Returns the total elastic pim-p cross-s 772 // Returns the total elastic pim-p cross-section (to avoid spoiling lastSIG)
778 G4double lr=lp+lastPAR[0]; // lr 773 G4double lr=lp+lastPAR[0]; // lr
779 G4double ld=lp-lastPAR[14]; 774 G4double ld=lp-lastPAR[14];
780 G4double dl3=lp+lastPAR[4]; // lm 775 G4double dl3=lp+lastPAR[4]; // lm
781 G4double dl4=lp-lastPAR[6]; // lh 776 G4double dl4=lp-lastPAR[6]; // lh
782 //G4cout<<"lastPAR[13] "<<lastPAR[13]<<" lastP 777 //G4cout<<"lastPAR[13] "<<lastPAR[13]<<" lastPAR[6] "<<lastPAR[6]<<" lastPAR[7] "<<lastPAR[7]<<G4endl;
783 return lastPAR[1]/(lr*lr+lastPAR[2])+ 778 return lastPAR[1]/(lr*lr+lastPAR[2])+
784 (lastPAR[8]*ld*ld+lastPAR[9]+lastPA 779 (lastPAR[8]*ld*ld+lastPAR[9]+lastPAR[10]/sp)/(1.+lastPAR[11]/p4)+
785 lastPAR[12]/(dl3*dl3+lastPAR[5])+la 780 lastPAR[12]/(dl3*dl3+lastPAR[5])+lastPAR[13]/(dl4*dl4+lastPAR[7]);
786 } 781 }
787 else 782 else
788 { 783 {
789 G4double p5=p4*p; 784 G4double p5=p4*p;
790 G4double p6=p5*p; 785 G4double p6=p5*p;
791 G4double p8=p6*p2; 786 G4double p8=p6*p2;
792 G4double p10=p8*p2; 787 G4double p10=p8*p2;
793 G4double p12=p10*p2; 788 G4double p12=p10*p2;
794 G4double p16=p8*p8; 789 G4double p16=p8*p8;
795 //G4double p24=p16*p8; 790 //G4double p24=p16*p8;
796 G4double dl=lp-5.; 791 G4double dl=lp-5.;
797 G4double a=tgZ+tgN; 792 G4double a=tgZ+tgN;
798 G4double pah=G4Pow::GetInstance()->powA(p, << 793 G4double pah=std::pow(p,a/2);
799 G4double pa=pah*pah; 794 G4double pa=pah*pah;
800 G4double pa2=pa*pa; 795 G4double pa2=pa*pa;
801 if(a<6.5) 796 if(a<6.5)
802 { 797 {
803 theS1=lastPAR[9]/(1.+lastPAR[10]*p4*pa)+ 798 theS1=lastPAR[9]/(1.+lastPAR[10]*p4*pa)+lastPAR[11]/(p4+lastPAR[12]*p4/pa2)+
804 (lastPAR[13]*dl*dl+lastPAR[14])/(1 799 (lastPAR[13]*dl*dl+lastPAR[14])/(1.+lastPAR[15]/p2);
805 theB1=(lastPAR[16]+lastPAR[17]*p2)/(p4+l 800 theB1=(lastPAR[16]+lastPAR[17]*p2)/(p4+lastPAR[18]/pah)+lastPAR[19];
806 theSS=lastPAR[20]/(1.+lastPAR[21]/p2)+la 801 theSS=lastPAR[20]/(1.+lastPAR[21]/p2)+lastPAR[22]/(p6/pa+lastPAR[23]/p16);
807 theS2=lastPAR[24]/(pa/p2+lastPAR[25]/p4) 802 theS2=lastPAR[24]/(pa/p2+lastPAR[25]/p4)+lastPAR[26];
808 theB2=lastPAR[27]*G4Pow::GetInstance()-> << 803 theB2=lastPAR[27]*std::pow(p,lastPAR[28])+lastPAR[29]/(p8+lastPAR[30]/p16);
809 theS3=lastPAR[31]/(pa*p+lastPAR[32]/pa)+ 804 theS3=lastPAR[31]/(pa*p+lastPAR[32]/pa)+lastPAR[33];
810 theB3=lastPAR[34]/(p3+lastPAR[35]/p6)+la 805 theB3=lastPAR[34]/(p3+lastPAR[35]/p6)+lastPAR[36]/(1.+lastPAR[37]/p2);
811 theS4=p2*(pah*lastPAR[38]*G4Exp(-pah*las << 806 theS4=p2*(pah*lastPAR[38]*std::exp(-pah*lastPAR[39])+
812 lastPAR[40]/(1.+lastPAR[41]*G4 << 807 lastPAR[40]/(1.+lastPAR[41]*std::pow(p,lastPAR[42])));
813 theB4=lastPAR[43]*pa/p2/(1.+pa*lastPAR[4 808 theB4=lastPAR[43]*pa/p2/(1.+pa*lastPAR[44]);
814 } 809 }
815 else 810 else
816 { 811 {
817 theS1=lastPAR[9]/(1.+lastPAR[10]/p4)+las 812 theS1=lastPAR[9]/(1.+lastPAR[10]/p4)+lastPAR[11]/(p4+lastPAR[12]/p2)+
818 lastPAR[13]/(p5+lastPAR[14]/p16); 813 lastPAR[13]/(p5+lastPAR[14]/p16);
819 theB1=(lastPAR[15]/p8+lastPAR[19])/(p+la << 814 theB1=(lastPAR[15]/p8+lastPAR[19])/(p+lastPAR[16]/std::pow(p,lastPAR[20]))+
820 lastPAR[17]/(1.+lastPAR[18]/p4); 815 lastPAR[17]/(1.+lastPAR[18]/p4);
821 theSS=lastPAR[21]/(p4/G4Pow::GetInstance << 816 theSS=lastPAR[21]/(p4/std::pow(p,lastPAR[23])+lastPAR[22]/p4);
822 theS2=lastPAR[24]/p4/(G4Pow::GetInstance << 817 theS2=lastPAR[24]/p4/(std::pow(p,lastPAR[25])+lastPAR[26]/p12)+lastPAR[27];
823 theB2=lastPAR[28]/G4Pow::GetInstance()-> << 818 theB2=lastPAR[28]/std::pow(p,lastPAR[29])+lastPAR[30]/std::pow(p,lastPAR[31]);
824 theS3=lastPAR[32]/G4Pow::GetInstance()-> << 819 theS3=lastPAR[32]/std::pow(p,lastPAR[35])/(1.+lastPAR[36]/p12)+
825 lastPAR[33]/(1.+lastPAR[34]/p6); 820 lastPAR[33]/(1.+lastPAR[34]/p6);
826 theB3=lastPAR[37]/p8+lastPAR[38]/p2+last 821 theB3=lastPAR[37]/p8+lastPAR[38]/p2+lastPAR[39]/(1.+lastPAR[40]/p8);
827 theS4=(lastPAR[41]/p4+lastPAR[46]/p)/(1. 822 theS4=(lastPAR[41]/p4+lastPAR[46]/p)/(1.+lastPAR[42]/p10)+
828 (lastPAR[43]+lastPAR[44]*dl*dl)/(1 823 (lastPAR[43]+lastPAR[44]*dl*dl)/(1.+lastPAR[45]/p12);
829 theB4=lastPAR[47]/(1.+lastPAR[48]/p)+las 824 theB4=lastPAR[47]/(1.+lastPAR[48]/p)+lastPAR[49]*p4/(1.+lastPAR[50]*p5);
830 } 825 }
831 // Returns the total elastic (n/p)A cross- 826 // Returns the total elastic (n/p)A cross-section (to avoid spoiling lastSIG)
832 // p1 p2 827 // p1 p2 p3
833 return (lastPAR[0]*dl*dl+lastPAR[1])/(1.+l 828 return (lastPAR[0]*dl*dl+lastPAR[1])/(1.+lastPAR[2]/p8)+
834 lastPAR[3]/(p4+lastPAR[4]/p3)+lastP 829 lastPAR[3]/(p4+lastPAR[4]/p3)+lastPAR[6]/(p4+lastPAR[7]/p4);
835 // p4 p5 830 // p4 p5 p7 p8
836 } 831 }
837 return 0.; 832 return 0.;
838 } // End of GetTableValues 833 } // End of GetTableValues
839 834
840 // Returns max -t=Q2 (GeV^2) for the momentum 835 // Returns max -t=Q2 (GeV^2) for the momentum pP(GeV) and the target nucleus (tgN,tgZ)
841 G4double G4ChipsPionMinusElasticXS::GetQ2max(G 836 G4double G4ChipsPionMinusElasticXS::GetQ2max(G4int PDG, G4int tgZ, G4int tgN,
842 837 G4double pP)
843 { 838 {
844 static const G4double mPi= G4PionMinus::Pion 839 static const G4double mPi= G4PionMinus::PionMinus()->GetPDGMass()*.001; // MeV to GeV
845 static const G4double mPi2= mPi*mPi; 840 static const G4double mPi2= mPi*mPi;
846 841
847 G4double pP2=pP*pP; 842 G4double pP2=pP*pP; // squared momentum of the projectile
848 if(tgZ || tgN>-1) 843 if(tgZ || tgN>-1) // ---> pipA
849 { 844 {
850 G4double mt=G4ParticleTable::GetParticleTa << 845 G4double mt=G4ParticleTable::GetParticleTable()->FindIon(tgZ,tgZ+tgN,0,tgZ)->GetPDGMass()*.001; // Target mass in GeV
851 846
852 G4double dmt=mt+mt; 847 G4double dmt=mt+mt;
853 G4double mds=dmt*std::sqrt(pP2+mPi2)+mPi2+ 848 G4double mds=dmt*std::sqrt(pP2+mPi2)+mPi2+mt*mt; // Mondelstam mds
854 return dmt*dmt*pP2/mds; 849 return dmt*dmt*pP2/mds;
855 } 850 }
856 else 851 else
857 { 852 {
858 G4ExceptionDescription ed; 853 G4ExceptionDescription ed;
859 ed << "PDG = " << PDG << ",Z = " << tgZ << 854 ed << "PDG = " << PDG << ",Z = " << tgZ << ",N = " << tgN
860 << ", while it is defined only for p pr 855 << ", while it is defined only for p projectiles & Z_target>0" << G4endl;
861 G4Exception("G4ChipsPionMinusElasticXS::Ge 856 G4Exception("G4ChipsPionMinusElasticXS::GetQ2max()", "HAD_CHPS_0000",
862 FatalException, ed); 857 FatalException, ed);
863 return 0; 858 return 0;
864 } 859 }
865 } 860 }
866 861