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25 //
26 //
27 //
28 //
29 // G4 Physics class: G4ChipsKaonPlusElasticXS
30 // Created: M.V. Kossov, CERN/ITEP(Moscow), 5-
31 // The last update: M.V. Kossov, CERN/ITEP (Mo
32 //
33 // -------------------------------------------
34 // Short description: Interaction cross-sectio
35 // Class extracted from CHIPS and integrated i
36 // -------------------------------------------
37 //
38
39 #include "G4ChipsKaonPlusElasticXS.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4DynamicParticle.hh"
42 #include "G4ParticleDefinition.hh"
43 #include "G4KaonPlus.hh"
44 #include "G4Nucleus.hh"
45 #include "G4ParticleTable.hh"
46 #include "G4NucleiProperties.hh"
47 #include "G4IonTable.hh"
48 #include "G4AutoLock.hh"
49 // factory
50 #include "G4CrossSectionFactory.hh"
51 //
52 G4_DECLARE_XS_FACTORY(G4ChipsKaonPlusElasticXS
53
54 namespace {
55 G4double mK;//= G4KaonPlus::KaonPlus()->Ge
56 G4double mK2;//= mK*mK;
57 G4Mutex initM = G4MUTEX_INITIALIZER;
58 const G4double pwd=2727;
59 const G4double GeVSQ=gigaelectronvolt*giga
60 const G4double third=1./3.;
61 const G4double fifth=1./5.;
62 const G4double sevth=1./7.;
63 const G4double HGeVSQ=gigaelectronvolt*gig
64 // @@ At present all nA==pA ---------> Eac
65 const G4int n_kppel=35; //
66 // -0--1- -2- -3
67 G4double kpp_el[n_kppel]={.7,.38,.0676,.05
68 .2,.17,.001,8.,.055,3.64,5.e-5,4000.,1
69 5.e-5,1.e10,8.5e8,1.e10,1.1,3.4e6,6.8e
70 // -15--16--17--18--
71 // -27- -28- -29
72
73
74 }
75
76 G4ChipsKaonPlusElasticXS::G4ChipsKaonPlusElast
77 {
78 G4AutoLock l(&initM);
79 mK = G4KaonPlus::KaonPlus()->GetPDGMass()*.0
80 mK2 = mK*mK;
81 l.unlock();
82 lPMin=-8.; //Min tabulatedLogarithmMomentum
83 lPMax= 8.; //Max tabulatedLogarithmMomentum
84 dlnP=(lPMax-lPMin)/nLast;// LogStep inTable
85 onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)
86 lastSIG=0.; //Last calculated cross section
87 lastLP=-10.;//LastLog(mom_of IncidentHadron)
88 lastTM=0.; //Last t_maximum /
89 theSS=0.; //TheLastSqSlope of 1st difr.Max/
90 theS1=0.; //TheLastMantissa of 1st difrMax/
91 theB1=0.; //TheLastSlope of 1st difructMax/
92 theS2=0.; //TheLastMantissa of 2nd difrMax/
93 theB2=0.; //TheLastSlope of 2nd difructMax/
94 theS3=0.; //TheLastMantissa of 3d difr.Max/
95 theB3=0.; //TheLastSlope of 3d difruct.Max/
96 theS4=0.; //TheLastMantissa of 4th difrMax/
97 theB4=0.; //TheLastSlope of 4th difructMax/
98 lastTZ=0; // Last atomic number of theTarge
99 lastTN=0; // Last # of neutrons in theTarge
100 lastPIN=0.;// Last initialized max momentum
101 lastCST=0; // Elastic cross-section table
102 lastPAR=0; // ParametersForFunctionCalculati
103 lastSST=0; // E-dep ofSqardSlope of 1st difM
104 lastS1T=0; // E-dep of mantissa of 1st dif.M
105 lastB1T=0; // E-dep of the slope of 1st difM
106 lastS2T=0; // E-dep of mantissa of 2nd difrM
107 lastB2T=0; // E-dep of the slope of 2nd difM
108 lastS3T=0; // E-dep of mantissa of 3d difr.M
109 lastB3T=0; // E-dep of the slope of 3d difrM
110 lastS4T=0; // E-dep of mantissa of 4th difrM
111 lastB4T=0; // E-dep of the slope of 4th difM
112 lastN=0; // The last N of calculated nucle
113 lastZ=0; // The last Z of calculated nucle
114 lastP=0.; // LastUsed inCrossSection Moment
115 lastTH=0.; // Last threshold momentum
116 lastCS=0.; // Last value of the Cross Sectio
117 lastI=0; // The last position in the DAMDB
118 }
119
120 G4ChipsKaonPlusElasticXS::~G4ChipsKaonPlusElas
121 {
122 std::vector<G4double*>::iterator pos;
123 for (pos=CST.begin(); pos<CST.end(); pos++)
124 { delete [] *pos; }
125 CST.clear();
126 for (pos=PAR.begin(); pos<PAR.end(); pos++)
127 { delete [] *pos; }
128 PAR.clear();
129 for (pos=SST.begin(); pos<SST.end(); pos++)
130 { delete [] *pos; }
131 SST.clear();
132 for (pos=S1T.begin(); pos<S1T.end(); pos++)
133 { delete [] *pos; }
134 S1T.clear();
135 for (pos=B1T.begin(); pos<B1T.end(); pos++)
136 { delete [] *pos; }
137 B1T.clear();
138 for (pos=S2T.begin(); pos<S2T.end(); pos++)
139 { delete [] *pos; }
140 S2T.clear();
141 for (pos=B2T.begin(); pos<B2T.end(); pos++)
142 { delete [] *pos; }
143 B2T.clear();
144 for (pos=S3T.begin(); pos<S3T.end(); pos++)
145 { delete [] *pos; }
146 S3T.clear();
147 for (pos=B3T.begin(); pos<B3T.end(); pos++)
148 { delete [] *pos; }
149 B3T.clear();
150 for (pos=S4T.begin(); pos<S4T.end(); pos++)
151 { delete [] *pos; }
152 S4T.clear();
153 for (pos=B4T.begin(); pos<B4T.end(); pos++)
154 { delete [] *pos; }
155 B4T.clear();
156 }
157
158 void
159 G4ChipsKaonPlusElasticXS::CrossSectionDescript
160 {
161 outFile << "G4ChipsKaonPlusElasticXS provi
162 << "section for K+ nucleus scatter
163 << "momentum. The cross section is
164 << "CHIPS parameterization of cros
165 }
166
167
168 G4bool G4ChipsKaonPlusElasticXS::IsIsoApplicab
169 const G4Element*,
170 const G4Material*)
171 {
172 return true;
173 }
174
175 // The main member function giving the collisi
176 // Make pMom in independent units ! (Now it is
177 G4double G4ChipsKaonPlusElasticXS::GetIsoCross
178 const G4Isotope*,
179 const G4Element*,
180 const G4Material*)
181 {
182 G4double pMom=Pt->GetTotalMomentum();
183 G4int tgN = A - tgZ;
184
185 return GetChipsCrossSection(pMom, tgZ, tgN,
186 }
187
188 G4double G4ChipsKaonPlusElasticXS::GetChipsCro
189 {
190
191 G4bool fCS = false;
192 G4double pEn=pMom;
193 onlyCS=fCS;
194
195 G4bool in=false; // By def
196 lastP = 0.; // New mo
197 lastN = tgN; // The la
198 lastZ = tgZ; // The la
199 lastI = (G4int)colN.size(); // Size o
200 if(lastI) for(G4int i=0; i<lastI; ++i) // Lo
201 { // The nu
202 if(colN[i]==tgN && colZ[i]==tgZ) // Isotop
203 {
204 lastI=i;
205 lastTH =colTH[i]; // Last T
206 if(pEn<=lastTH)
207 {
208 return 0.; // Energy
209 }
210 lastP =colP [i]; // Last M
211 lastCS =colCS[i]; // Last C
212 // if(std::fabs(lastP/pMom-1.)<toleranc
213 if(lastP == pMom) // Do not
214 {
215 CalculateCrossSection(fCS,-1,i,321,las
216 return lastCS*millibarn; // Use th
217 }
218 in = true; // This
219 // Momentum pMom is in IU ! @@ Units
220 lastCS=CalculateCrossSection(fCS,-1,i,32
221 if(lastCS<=0. && pEn>lastTH) // Corre
222 {
223 lastTH=pEn;
224 }
225 break; // Go o
226 }
227 } // End of attampt to find the nucleus in D
228 if(!in) // This n
229 {
230 //!!The slave functions must provide cross
231 lastCS=CalculateCrossSection(fCS,0,lastI,3
232 if(lastCS<=0.)
233 {
234 lastTH = 0; //ThresholdEnergy(tgZ, tgN);
235 if(pEn>lastTH)
236 {
237 lastTH=pEn;
238 }
239 }
240 colN.push_back(tgN);
241 colZ.push_back(tgZ);
242 colP.push_back(pMom);
243 colTH.push_back(lastTH);
244 colCS.push_back(lastCS);
245 return lastCS*millibarn;
246 } // End of creation of the new set of param
247 else
248 {
249 colP[lastI]=pMom;
250 colCS[lastI]=lastCS;
251 }
252 return lastCS*millibarn;
253 }
254
255 // Calculation of total elastic cross section
256 // F=0 - create AMDB, F=-1 - read&update AMDB,
257 G4double G4ChipsKaonPlusElasticXS::CalculateCr
258 G4int I, G
259 {
260 G4double pMom=pIU/GeV; // All
261 onlyCS=CS; // Fla
262 lastLP=std::log(pMom); // Mak
263 if(F) // Thi
264 {
265 if(F<0) // the
266 {
267 lastPIN = PIN[I]; // Max
268 lastPAR = PAR[I]; // Poi
269 lastCST = CST[I]; // Poi
270 lastSST = SST[I]; // Poi
271 lastS1T = S1T[I]; // Poi
272 lastB1T = B1T[I]; // Poi
273 lastS2T = S2T[I]; // Poi
274 lastB2T = B2T[I]; // Poi
275 lastS3T = S3T[I]; // Poi
276 lastB3T = B3T[I]; // Poi
277 lastS4T = S4T[I]; // Poi
278 lastB4T = B4T[I]; // Poi
279 }
280 if(lastLP>lastPIN && lastLP<lPMax)
281 {
282 lastPIN=GetPTables(lastLP,lastPIN,PDG,tg
283 PIN[I]=lastPIN; // Rem
284 }
285 }
286 else // Thi
287 {
288 lastPAR = new G4double[nPoints]; // All
289 lastPAR[nLast]=0; // Ini
290 lastCST = new G4double[nPoints]; // All
291 lastSST = new G4double[nPoints]; // All
292 lastS1T = new G4double[nPoints]; // All
293 lastB1T = new G4double[nPoints]; // All
294 lastS2T = new G4double[nPoints]; // All
295 lastB2T = new G4double[nPoints]; // All
296 lastS3T = new G4double[nPoints]; // All
297 lastB3T = new G4double[nPoints]; // All
298 lastS4T = new G4double[nPoints]; // All
299 lastB4T = new G4double[nPoints]; // All
300 lastPIN = GetPTables(lastLP,lPMin,PDG,tgZ,
301 PIN.push_back(lastPIN); // Fil
302 PAR.push_back(lastPAR); // Fil
303 CST.push_back(lastCST); // Fil
304 SST.push_back(lastSST); // Fil
305 S1T.push_back(lastS1T); // Fil
306 B1T.push_back(lastB1T); // Fil
307 S2T.push_back(lastS2T); // Fil
308 B2T.push_back(lastB2T); // Fil
309 S3T.push_back(lastS3T); // Fil
310 B3T.push_back(lastB3T); // Fil
311 S4T.push_back(lastS4T); // Fil
312 B4T.push_back(lastB4T); // Fil
313 } // End of creation/update of the new set o
314 // =----------= NOW Update (if necessary) an
315 if(lastLP>lastPIN && lastLP<lPMax)
316 {
317 lastPIN = GetPTables(lastLP,lastPIN,PDG,tg
318 }
319 if(!onlyCS) lastTM=GetQ2max(PDG, tgZ, tgN, p
320 if(lastLP>lPMin && lastLP<=lastPIN) // Lin
321 {
322 if(lastLP==lastPIN)
323 {
324 G4double shift=(lastLP-lPMin)/dlnP+.0000
325 G4int blast=static_cast<int>(shift);
326 if(blast<0 || blast>=nLast) G4cout<<"G4Q
327 lastSIG = lastCST[blast];
328 if(!onlyCS) // Ski
329 {
330 theSS = lastSST[blast];
331 theS1 = lastS1T[blast];
332 theB1 = lastB1T[blast];
333 theS2 = lastS2T[blast];
334 theB2 = lastB2T[blast];
335 theS3 = lastS3T[blast];
336 theB3 = lastB3T[blast];
337 theS4 = lastS4T[blast];
338 theB4 = lastB4T[blast];
339 }
340 }
341 else
342 {
343 G4double shift=(lastLP-lPMin)/dlnP;
344 G4int blast=static_cast<int>(shift);
345 if(blast<0) blast=0;
346 if(blast>=nLast) blast=nLast-1;
347 shift-=blast;
348 G4int lastL=blast+1;
349 G4double SIGL=lastCST[blast];
350 lastSIG= SIGL+shift*(lastCST[lastL]-SIGL
351 if(!onlyCS) // Ski
352 {
353 G4double SSTL=lastSST[blast];
354 theSS=SSTL+shift*(lastSST[lastL]-SSTL)
355 G4double S1TL=lastS1T[blast];
356 theS1=S1TL+shift*(lastS1T[lastL]-S1TL)
357 G4double B1TL=lastB1T[blast];
358 theB1=B1TL+shift*(lastB1T[lastL]-B1TL)
359 G4double S2TL=lastS2T[blast];
360 theS2=S2TL+shift*(lastS2T[lastL]-S2TL)
361 G4double B2TL=lastB2T[blast];
362 theB2=B2TL+shift*(lastB2T[lastL]-B2TL)
363 G4double S3TL=lastS3T[blast];
364 theS3=S3TL+shift*(lastS3T[lastL]-S3TL)
365 G4double B3TL=lastB3T[blast];
366 theB3=B3TL+shift*(lastB3T[lastL]-B3TL)
367 G4double S4TL=lastS4T[blast];
368 theS4=S4TL+shift*(lastS4T[lastL]-S4TL)
369 G4double B4TL=lastB4T[blast];
370 theB4=B4TL+shift*(lastB4T[lastL]-B4TL)
371 }
372 }
373 }
374 else lastSIG=GetTabValues(lastLP, PDG, tgZ,
375 if(lastSIG<0.) lastSIG = 0.;
376 return lastSIG;
377 }
378
379 // It has parameter sets for all tZ/tN/PDG, us
380 G4double G4ChipsKaonPlusElasticXS::GetPTables(
381
382 {
383 if(PDG == 321)
384 {
385 // -- Total pp elastic cross section cs &
386 //p2=p*p;p3=p2*p;sp=sqrt(p);p2s=p2*sp;lp=l
387 //CS=2.865/p2s/(1+.0022/p2s)+(18.9+.6461*d
388 // par(0) par(7) par(1) par(2)
389 //dl2=lp-5., s1=(74.+3.*dl2*dl2)/(1+3.4/p4
390 // par(8) par(9) par(10) par(11
391 // b1=8.*p**.055/(1.+3.64/p3); s2=5.e-5+40
392 // par(15) par(16) par(17) par(18) pa
393 // s3=5.e-5+1.e10/(p4*p4+8.5e8*p2+1.e10);
394 // par(24) par(25) par(26) par(27) p
395 //
396 if(lastPAR[nLast]!=pwd) // A unique flag t
397 {
398 if ( tgZ == 1 && tgN == 0 )
399 {
400 for (G4int ip=0; ip<n_kppel; ip++) las
401 }
402 else
403 {
404 G4double a=tgZ+tgN;
405 G4double sa=std::sqrt(a);
406 G4double ssa=std::sqrt(sa);
407 G4double asa=a*sa;
408 G4double a2=a*a;
409 G4double a3=a2*a;
410 G4double a4=a3*a;
411 G4double a5=a4*a;
412 G4double a6=a4*a2;
413 G4double a7=a6*a;
414 G4double a8=a7*a;
415 G4double a9=a8*a;
416 G4double a10=a5*a5;
417 G4double a12=a6*a6;
418 G4double a14=a7*a7;
419 G4double a16=a8*a8;
420 G4double a17=a16*a;
421 //G4double a20=a16*a4;
422 G4double a32=a16*a16;
423 // Reaction cross-section parameters (
424 lastPAR[0]=.06*asa/(1.+a*(.01+.1/ssa))
425 lastPAR[1]=.75*asa/(1.+.009*a);
426 lastPAR[2]=.9*asa*ssa/(1.+.03*a);
427 lastPAR[3]=3.;
428 lastPAR[4]=4.2;
429 lastPAR[5]=0.;
430 lastPAR[6]=0.;
431 lastPAR[7]=0.;
432 lastPAR[8]=0.;
433 // @@ the differential cross-section i
434 if(a<6.5)
435 {
436 G4double a28=a16*a12;
437 // The main pre-exponent (pel_s
438 lastPAR[ 9]=4000*a;
439 lastPAR[10]=1.2e7*a8+380*a17;
440 lastPAR[11]=.7/(1.+4.e-12*a16);
441 lastPAR[12]=2.5/a8/(a4+1.e-16*a32);
442 lastPAR[13]=.28*a;
443 lastPAR[14]=1.2*a2+2.3;
444 lastPAR[15]=3.8/a;
445 // The main slope (pel_s
446 lastPAR[16]=.01/(1.+.0024*a5);
447 lastPAR[17]=.2*a;
448 lastPAR[18]=9.e-7/(1.+.035*a5);
449 lastPAR[19]=(42.+2.7e-11*a16)/(1.+.1
450 // The main quadratic (pel_s
451 lastPAR[20]=2.25*a3;
452 lastPAR[21]=18.;
453 lastPAR[22]=2.4e-3*a8/(1.+2.6e-4*a7)
454 lastPAR[23]=3.5e-36*a32*a8/(1.+5.e-1
455 // The 1st max pre-exponent (pel_q
456 lastPAR[24]=1.e5/(a8+2.5e12/a16);
457 lastPAR[25]=8.e7/(a12+1.e-27*a28*a28
458 lastPAR[26]=.0006*a3;
459 // The 1st max slope (pel_q
460 lastPAR[27]=10.+4.e-8*a12*a;
461 lastPAR[28]=.114;
462 lastPAR[29]=.003;
463 lastPAR[30]=2.e-23;
464 // The effective pre-exponent (pel_s
465 lastPAR[31]=1./(1.+.0001*a8);
466 lastPAR[32]=1.5e-4/(1.+5.e-6*a12);
467 lastPAR[33]=.03;
468 // The effective slope (pel_s
469 lastPAR[34]=a/2;
470 lastPAR[35]=2.e-7*a4;
471 lastPAR[36]=4.;
472 lastPAR[37]=64./a3;
473 // The gloria pre-exponent (pel_u
474 lastPAR[38]=1.e8*std::exp(.32*asa);
475 lastPAR[39]=20.*std::exp(.45*asa);
476 lastPAR[40]=7.e3+2.4e6/a5;
477 lastPAR[41]=2.5e5*std::exp(.085*a3);
478 lastPAR[42]=2.5*a;
479 // The gloria slope (pel_u
480 lastPAR[43]=920.+.03*a8*a3;
481 lastPAR[44]=93.+.0023*a12;
482 }
483 else
484 {
485 G4double p1a10=2.2e-28*a10;
486 G4double r4a16=6.e14/a16;
487 G4double s4a16=r4a16*r4a16;
488 // a24
489 // a36
490 // The main pre-exponent (peh_s
491 lastPAR[ 9]=4.5*std::pow(a,1.15);
492 lastPAR[10]=.06*std::pow(a,.6);
493 lastPAR[11]=.6*a/(1.+2.e15/a16);
494 lastPAR[12]=.17/(a+9.e5/a3+1.5e33/a3
495 lastPAR[13]=(.001+7.e-11*a5)/(1.+4.4
496 lastPAR[14]=(p1a10*p1a10+2.e-29)/(1.
497 // The main slope (peh_s
498 lastPAR[15]=400./a12+2.e-22*a9;
499 lastPAR[16]=1.e-32*a12/(1.+5.e22/a14
500 lastPAR[17]=1000./a2+9.5*sa*ssa;
501 lastPAR[18]=4.e-6*a*asa+1.e11/a16;
502 lastPAR[19]=(120./a+.002*a2)/(1.+2.e
503 lastPAR[20]=9.+100./a;
504 // The main quadratic (peh_s
505 lastPAR[21]=.002*a3+3.e7/a6;
506 lastPAR[22]=7.e-15*a4*asa;
507 lastPAR[23]=9000./a4;
508 // The 1st max pre-exponent (peh_q
509 lastPAR[24]=.0011*asa/(1.+3.e34/a32/
510 lastPAR[25]=1.e-5*a2+2.e14/a16;
511 lastPAR[26]=1.2e-11*a2/(1.+1.5e19/a1
512 lastPAR[27]=.016*asa/(1.+5.e16/a16);
513 // The 1st max slope (peh_q
514 lastPAR[28]=.002*a4/(1.+7.e7/std::po
515 lastPAR[29]=2.e6/a6+7.2/std::pow(a,.
516 lastPAR[30]=11.*a3/(1.+7.e23/a16/a8)
517 lastPAR[31]=100./asa;
518 // The 2nd max pre-exponent (peh_s
519 lastPAR[32]=(.1+4.4e-5*a2)/(1.+5.e5/
520 lastPAR[33]=3.5e-4*a2/(1.+1.e8/a8);
521 lastPAR[34]=1.3+3.e5/a4;
522 lastPAR[35]=500./(a2+50.)+3;
523 lastPAR[36]=1.e-9/a+s4a16*s4a16;
524 // The 2nd max slope (peh_s
525 lastPAR[37]=.4*asa+3.e-9*a6;
526 lastPAR[38]=.0005*a5;
527 lastPAR[39]=.002*a5;
528 lastPAR[40]=10.;
529 // The effective pre-exponent (peh_u
530 lastPAR[41]=.05+.005*a;
531 lastPAR[42]=7.e-8/sa;
532 lastPAR[43]=.8*sa;
533 lastPAR[44]=.02*sa;
534 lastPAR[45]=1.e8/a3;
535 lastPAR[46]=3.e32/(a32+1.e32);
536 // The effective slope (peh_u
537 lastPAR[47]=24.;
538 lastPAR[48]=20./sa;
539 lastPAR[49]=7.e3*a/(sa+1.);
540 lastPAR[50]=900.*sa/(1.+500./a3);
541 }
542 // Parameter for lowEnergyNeutrons
543 lastPAR[51]=1.e15+2.e27/a4/(1.+2.e-18*
544 }
545 lastPAR[nLast]=pwd;
546 // and initialize the zero element of th
547 G4double lp=lPMin;
548 G4bool memCS=onlyCS;
549 onlyCS=false;
550 lastCST[0]=GetTabValues(lp, PDG, tgZ, tg
551 onlyCS=memCS;
552 lastSST[0]=theSS;
553 lastS1T[0]=theS1;
554 lastB1T[0]=theB1;
555 lastS2T[0]=theS2;
556 lastB2T[0]=theB2;
557 lastS3T[0]=theS3;
558 lastB3T[0]=theB3;
559 lastS4T[0]=theS4;
560 lastB4T[0]=theB4;
561 }
562 if(LP>ILP)
563 {
564 G4int ini = static_cast<int>((ILP-lPMin+
565 if(ini<0) ini=0;
566 if(ini<nPoints)
567 {
568 G4int fin = static_cast<int>((LP-lPMin
569 if(fin>=nPoints) fin=nLast;
570 if(fin>=ini)
571 {
572 G4double lp=0.;
573 for(G4int ip=ini; ip<=fin; ip++)
574 {
575 lp=lPMin+ip*dlnP;
576 G4bool memCS=onlyCS;
577 onlyCS=false;
578 lastCST[ip]=GetTabValues(lp, PDG,
579 onlyCS=memCS;
580 lastSST[ip]=theSS;
581 lastS1T[ip]=theS1;
582 lastB1T[ip]=theB1;
583 lastS2T[ip]=theS2;
584 lastB2T[ip]=theB2;
585 lastS3T[ip]=theS3;
586 lastB3T[ip]=theB3;
587 lastS4T[ip]=theS4;
588 lastB4T[ip]=theB4;
589 }
590 return lp;
591 }
592 else G4cout<<"*Warning*G4ChipsKaonPlus
593 <<", Z="<<tgZ<<", N="<<tgN<
594 <<" > ILP="<<ILP<<" nothing
595 }
596 else G4cout<<"*Warning*G4ChipsKaonPlusEl
597 <<", Z="<<tgZ<<", N="<<tgN<<"
598 <<" > ILP="<<ILP<<", lPMax="<
599 }
600 }
601 else
602 {
603 // G4cout<<"*Error*G4ChipsKaonPlusElasticX
604 // <<", N="<<tgN<<", while it is def
605 // throw G4QException("G4ChipsKaonPlusElas
606 G4ExceptionDescription ed;
607 ed << "PDG = " << PDG << ", Z = " << tgZ <
608 << ", while it is defined only for PDG=
609 G4Exception("G4ChipsKaonPlusElasticXS::Get
610 FatalException, ed);
611 }
612 return ILP;
613 }
614
615 // Returns Q2=-t in independent units (MeV^2)
616 G4double G4ChipsKaonPlusElasticXS::GetExchange
617 {
618 if(PDG!=321) G4cout<<"*Warning*G4ChipsKaonPl
619 if(onlyCS) G4cout<<"*Warning*G4ChipsKaonPlus
620 if(lastLP<-4.3) return lastTM*GeVSQ*G4Unifor
621 G4double q2=0.;
622 if(tgZ==1 && tgN==0) // ===>
623 {
624 G4double E1=lastTM*theB1;
625 G4double R1=(1.-std::exp(-E1));
626 G4double E2=lastTM*theB2;
627 G4double R2=(1.-std::exp(-E2*E2*E2));
628 G4double E3=lastTM*theB3;
629 G4double R3=(1.-std::exp(-E3));
630 G4double I1=R1*theS1/theB1;
631 G4double I2=R2*theS2;
632 G4double I3=R3*theS3;
633 G4double I12=I1+I2;
634 G4double rand=(I12+I3)*G4UniformRand();
635 if (rand<I1 )
636 {
637 G4double ran=R1*G4UniformRand();
638 if(ran>1.) ran=1.;
639 q2=-std::log(1.-ran)/theB1;
640 }
641 else if(rand<I12)
642 {
643 G4double ran=R2*G4UniformRand();
644 if(ran>1.) ran=1.;
645 q2=-std::log(1.-ran);
646 if(q2<0.) q2=0.;
647 q2=std::pow(q2,third)/theB2;
648 }
649 else
650 {
651 G4double ran=R3*G4UniformRand();
652 if(ran>1.) ran=1.;
653 q2=-std::log(1.-ran)/theB3;
654 }
655 }
656 else
657 {
658 G4double a=tgZ+tgN;
659 G4double E1=lastTM*(theB1+lastTM*theSS);
660 G4double R1=(1.-std::exp(-E1));
661 G4double tss=theSS+theSS; // for future so
662 G4double tm2=lastTM*lastTM;
663 G4double E2=lastTM*tm2*theB2;
664 if(a>6.5)E2*=tm2;
665 G4double R2=(1.-std::exp(-E2));
666 G4double E3=lastTM*theB3;
667 if(a>6.5)E3*=tm2*tm2*tm2;
668 G4double R3=(1.-std::exp(-E3));
669 G4double E4=lastTM*theB4;
670 G4double R4=(1.-std::exp(-E4));
671 G4double I1=R1*theS1;
672 G4double I2=R2*theS2;
673 G4double I3=R3*theS3;
674 G4double I4=R4*theS4;
675 G4double I12=I1+I2;
676 G4double I13=I12+I3;
677 G4double rand=(I13+I4)*G4UniformRand();
678 if(rand<I1)
679 {
680 G4double ran=R1*G4UniformRand();
681 if(ran>1.) ran=1.;
682 q2=-std::log(1.-ran)/theB1;
683 if(std::fabs(tss)>1.e-7) q2=(std::sqrt(t
684 }
685 else if(rand<I12)
686 {
687 G4double ran=R2*G4UniformRand();
688 if(ran>1.) ran=1.;
689 q2=-std::log(1.-ran)/theB2;
690 if(q2<0.) q2=0.;
691 if(a<6.5) q2=std::pow(q2,third);
692 else q2=std::pow(q2,fifth);
693 }
694 else if(rand<I13)
695 {
696 G4double ran=R3*G4UniformRand();
697 if(ran>1.) ran=1.;
698 q2=-std::log(1.-ran)/theB3;
699 if(q2<0.) q2=0.;
700 if(a>6.5) q2=std::pow(q2,sevth);
701 }
702 else
703 {
704 G4double ran=R4*G4UniformRand();
705 if(ran>1.) ran=1.;
706 q2=-std::log(1.-ran)/theB4;
707 if(a<6.5) q2=lastTM-q2;
708 }
709 }
710 if(q2<0.) q2=0.;
711 if(!(q2>=-1.||q2<=1.)) G4cout<<"*NAN*G4QKaon
712 if(q2>lastTM)
713 {
714 q2=lastTM;
715 }
716 return q2*GeVSQ;
717 }
718
719 // Returns B in independent units (MeV^-2) (al
720 G4double G4ChipsKaonPlusElasticXS::GetSlope(G4
721 {
722 if(onlyCS)G4cout<<"*Warning*G4ChipsKaonPlusE
723 if(lastLP<-4.3) return 0.; // S-wav
724 if(PDG != 321)
725 {
726 G4ExceptionDescription ed;
727 ed << "PDG = " << PDG << ", Z = " << tgZ <
728 << ", while it is defined only for PDG=
729 G4Exception("G4ChipsKaonPlusElasticXS::Get
730 FatalException, ed);
731 }
732 if(theB1<0.) theB1=0.;
733 if(!(theB1>=-1.||theB1<=1.))G4cout<<"*NAN*G4
734 return theB1/GeVSQ;
735 }
736
737 // Returns half max(Q2=-t) in independent unit
738 G4double G4ChipsKaonPlusElasticXS::GetHMaxT()
739 {
740 return lastTM*HGeVSQ;
741 }
742
743 // lastLP is used, so calculating tables, one
744 G4double G4ChipsKaonPlusElasticXS::GetTabValue
745
746 {
747 if(PDG!=321)G4cout<<"*Warning*G4ChipsKaonPlu
748
749 //AR-24Apr2018 Switch to allow transuranic e
750 const G4bool isHeavyElementAllowed = true;
751 if(tgZ<0 || ( !isHeavyElementAllowed && tgZ>
752 {
753 G4cout<<"*Warning*G4QKaonPlusElasticCS::Ge
754 return 0.;
755 }
756 G4int iZ=tgZ-1; // Z index
757 if(iZ<0)
758 {
759 iZ=0; // conversion of the neutron
760 tgZ=1;
761 tgN=0;
762 }
763 G4double p=std::exp(lp); // mom
764 G4double sp=std::sqrt(p); // sqr
765 G4double p2=p*p;
766 G4double p3=p2*p;
767 G4double p4=p3*p;
768 if ( tgZ == 1 && tgN == 0 ) // KaonPlus+P
769 {
770 G4double dl2=lp-lastPAR[11];
771 theSS=lastPAR[34];
772 theS1=(lastPAR[12]+lastPAR[13]*dl2*dl2)/(1
773 (lastPAR[15]/p2+lastPAR[16]*p)/(p4+l
774 theB1=lastPAR[18]*std::pow(p,lastPAR[19])/
775 theS2=lastPAR[21]+lastPAR[22]/(p4+lastPAR[
776 theB2=lastPAR[24]+lastPAR[25]/(p4+lastPAR[
777 theS3=lastPAR[27]+lastPAR[28]/(p4*p4+lastP
778 theB3=lastPAR[31]+lastPAR[32]/(p4+lastPAR[
779 theS4=0.;
780 theB4=0.;
781 // Returns the total elastic pim-p cross-s
782 G4double dp=lp-lastPAR[4];
783 //G4cout<<"lastPAR[8] "<<lastPAR[8]<<" lastPAR
784 return lastPAR[0]/(lastPAR[2]+sqr(p-lastPA
785 (1.-lastPAR[6]/sp+lastPAR[7]/p4)
786 +lastPAR[8]/(sqr(p-lastPAR[9])+last
787
788 }
789 else
790 {
791 G4double p5=p4*p;
792 G4double p6=p5*p;
793 G4double p8=p6*p2;
794 G4double p10=p8*p2;
795 G4double p12=p10*p2;
796 G4double p16=p8*p8;
797 //G4double p24=p16*p8;
798 G4double dl=lp-5.;
799 G4double a=tgZ+tgN;
800 G4double pah=std::pow(p,a/2);
801 G4double pa=pah*pah;
802 G4double pa2=pa*pa;
803 if(a<6.5)
804 {
805 theS1=lastPAR[9]/(1.+lastPAR[10]*p4*pa)+
806 (lastPAR[13]*dl*dl+lastPAR[14])/(1
807 theB1=(lastPAR[16]+lastPAR[17]*p2)/(p4+l
808 theSS=lastPAR[20]/(1.+lastPAR[21]/p2)+la
809 theS2=lastPAR[24]/(pa/p2+lastPAR[25]/p4)
810 theB2=lastPAR[27]*std::pow(p,lastPAR[28]
811 theS3=lastPAR[31]/(pa*p+lastPAR[32]/pa)+
812 theB3=lastPAR[34]/(p3+lastPAR[35]/p6)+la
813 theS4=p2*(pah*lastPAR[38]*std::exp(-pah*
814 lastPAR[40]/(1.+lastPAR[41]*st
815 theB4=lastPAR[43]*pa/p2/(1.+pa*lastPAR[4
816 }
817 else
818 {
819 theS1=lastPAR[9]/(1.+lastPAR[10]/p4)+las
820 lastPAR[13]/(p5+lastPAR[14]/p16);
821 theB1=(lastPAR[15]/p8+lastPAR[19])/(p+la
822 lastPAR[17]/(1.+lastPAR[18]/p4);
823 theSS=lastPAR[21]/(p4/std::pow(p,lastPAR
824 theS2=lastPAR[24]/p4/(std::pow(p,lastPAR
825 theB2=lastPAR[28]/std::pow(p,lastPAR[29]
826 theS3=lastPAR[32]/std::pow(p,lastPAR[35]
827 lastPAR[33]/(1.+lastPAR[34]/p6);
828 theB3=lastPAR[37]/p8+lastPAR[38]/p2+last
829 theS4=(lastPAR[41]/p4+lastPAR[46]/p)/(1.
830 (lastPAR[43]+lastPAR[44]*dl*dl)/(1
831 theB4=lastPAR[47]/(1.+lastPAR[48]/p)+las
832 }
833 // Returns the total elastic (n/p)A cross-
834 G4double dlp=lp-lastPAR[4]; // ax
835 // p1 p2 p
836 return (lastPAR[0]*dlp*dlp+lastPAR[1]+last
837 }
838 return 0.;
839 } // End of GetTableValues
840
841 // Returns max -t=Q2 (GeV^2) for the momentum
842 G4double G4ChipsKaonPlusElasticXS::GetQ2max(G4
843
844 {
845 G4double pP2=pP*pP;
846 if(tgZ || tgN>-1)
847 {
848 G4double mt=G4ParticleTable::GetParticleTa
849
850 G4double dmt=mt+mt;
851 G4double mds=dmt*std::sqrt(pP2+mK2)+mK2+mt
852 return dmt*dmt*pP2/mds;
853 }
854 else
855 {
856 G4ExceptionDescription ed;
857 ed << "PDG = " << PDG << ",Z = " << tgZ <<
858 << ", while it is defined only for p pr
859 G4Exception("G4ChipsKaonPlusElasticXS::Get
860 FatalException, ed);
861 return 0;
862 }
863 }
864