1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // 1 2 3 4 5 6 7 8 9 |
---|
27 | //34567890123456789012345678901234567890123456789012345678901234567890123456789012345678901 |
---|
28 | // |
---|
29 | // |
---|
30 | // $Id: G4QuasmonString.cc,v 1.8 2009/02/23 09:49:24 mkossov Exp $ |
---|
31 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
---|
32 | // |
---|
33 | // ---------------- G4QuasmonString ---------------- |
---|
34 | // by Mikhail Kossov, August 2000. |
---|
35 | // class for Hadron-Hadron String Interaction used by the CHIPS Model |
---|
36 | // ------------------------------------------------------------------- |
---|
37 | // Short description: The Quark-Gluon String can fragment in hadrons |
---|
38 | // (QGS), small hadronic clusters (HERWIG) or in unlimited in mass |
---|
39 | // Quasmons, defined by the G4QPartonPair. This class is made to |
---|
40 | // simulate the string fragmentation in Quasmons, which hadronize in |
---|
41 | // vacuuum or in nuclear environment. |
---|
42 | // ------------------------------------------------------------------- |
---|
43 | |
---|
44 | //#define chdebug |
---|
45 | //#define debug |
---|
46 | //#define sdebug |
---|
47 | //#define ppdebug |
---|
48 | //#define cdebug |
---|
49 | //#define cldebug |
---|
50 | //#define edebug |
---|
51 | //#define fdebug |
---|
52 | //#define pdebug |
---|
53 | //#define rdebug |
---|
54 | //#define ffdebug |
---|
55 | //#define pcdebug |
---|
56 | //#define mudebug |
---|
57 | |
---|
58 | #include "G4QuasmonString.hh" |
---|
59 | #include <cmath> |
---|
60 | using namespace std; |
---|
61 | |
---|
62 | |
---|
63 | G4QuasmonString::G4QuasmonString(G4QHadron projHadron, const G4bool projEnvFlag, |
---|
64 | const G4int targPDG, const G4bool targEnvFlag) : |
---|
65 | theProjEnvFlag(projEnvFlag), theTargEnvFlag(targEnvFlag), theWeight(1.) |
---|
66 | { |
---|
67 | //static const G4double mPi0 = G4QPDGCode(111).GetMass(); // Pi0 mass |
---|
68 | //static const G4double mPi0 = (1232.-938.272)/2; // between p&Delta (147.365) shift |
---|
69 | static const G4double mPi0 = sqrt((1232.*1232+938.272*938.272)/2)-938.272; // Pi0 mass |
---|
70 | //static const G4double mPi0 = 170.; // Pi0 mass |
---|
71 | static const G4double FreeFra = 1.; // @@ Free fraction for n-n scattering |
---|
72 | static const G4double interc = -1.; // @@ Pomeron intercept |
---|
73 | //static const G4double Temperature = 180.; // Temperature as a parameter |
---|
74 | //static const G4double Temp2 = Temperature*Temperature; // Squared Temperature |
---|
75 | static G4Quasmon classG4Quasmon(G4QContent(1,2,0,0,0,0)); |
---|
76 | //static const G4QPDGCode pimQPDG(-211); |
---|
77 | theWorld= G4QCHIPSWorld::Get(); // Get a pointer to the CHIPS World |
---|
78 | #ifdef debug |
---|
79 | G4cout<<"-->G4QuasStr::Constr:pPDG="<<projHadron.GetPDGCode()<<",tPDG="<<targPDG<<G4endl; |
---|
80 | #endif |
---|
81 | // Target initialization |
---|
82 | G4QPDGCode targQPDG(targPDG); |
---|
83 | totBaryNum= targQPDG.GetBaryNum(); // Prototype |
---|
84 | totCharge = targQPDG.GetCharge(); // Prototype |
---|
85 | theTargQC = targQPDG.GetQuarkContent(); |
---|
86 | G4double tM = targQPDG.GetMass(); |
---|
87 | theTarg4Mom = G4LorentzVector(0.,0.,0.,tM); |
---|
88 | G4QHadron targHadron(targQPDG,theTarg4Mom); // Target Hadron |
---|
89 | |
---|
90 | // Projectile initialization |
---|
91 | theProj4Mom = projHadron.Get4Momentum(); |
---|
92 | G4ThreeVector projBoost = theProj4Mom.boostVector(); // Projectile BoostVector to LS |
---|
93 | G4ThreeVector projRBoost= -projBoost; // Projevtile Boost vector to projectile CMS |
---|
94 | G4QPDGCode projQPDG(projHadron.GetPDGCode()); |
---|
95 | theProjQC = projQPDG.GetQuarkContent(); |
---|
96 | totBaryNum+= projQPDG.GetBaryNum(); // Final control value |
---|
97 | totCharge += projQPDG.GetCharge(); // Final control value |
---|
98 | tot4Mom = theProj4Mom+theTarg4Mom; // Final control value |
---|
99 | |
---|
100 | G4double projM = projQPDG.GetMass(); |
---|
101 | G4double projM2 = projM*projM; |
---|
102 | G4double pM2 = theProj4Mom.m2(); |
---|
103 | G4double tM2 = tM*tM; |
---|
104 | G4double dM2 = fabs(pM2-projM2); |
---|
105 | if(dM2>1.) G4cout<<"-Wor-G4QuStr::Cons:dM2="<<dM2<<",M2="<<projM2<<",LVM2="<<pM2<<G4endl; |
---|
106 | G4double pM=sqrt(pM2); // @@ do we need pM ? @@ (in print) |
---|
107 | |
---|
108 | // === Print out of the input information at Creation time & tot 4-mom Calculation ====== |
---|
109 | #ifdef pdebug |
---|
110 | G4cout<<"G4QuaString::Cons:PQC="<<theProjQC<<",TQC="<<theTargQC<<",P4Mom="<<theProj4Mom<< |
---|
111 | theProj4Mom.m2()<<theProj4Mom.m()<<G4endl; |
---|
112 | G4cout<<"G4QuaString::C: tC="<<totCharge<<",tB="<<totBaryNum<<",tot4M="<<tot4Mom<<G4endl; |
---|
113 | #endif |
---|
114 | //G4int nP=theWorld->GetQPEntries(); // A#of init'ed particles in CHIPS World (@@?) |
---|
115 | //G4int nCl=nP-90; // A#of init'ed clusters in CHIPS World (@@?) |
---|
116 | //#ifdef pdebug |
---|
117 | //G4cout<<"G4QS:Const:Before QEX:n="<<nP<<G4endl; |
---|
118 | //#endif |
---|
119 | // @@@@@@ ===> Here the Quark Exchange Quasmon Creation must be added <=== @@@@@@ |
---|
120 | // @@ --- old --- |
---|
121 | //G4int nQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
---|
122 | //G4int nQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
---|
123 | // @@ --- new --- |
---|
124 | G4LorentzVector tSum=theProj4Mom+theTarg4Mom; |
---|
125 | G4double sumM=tM+pM; |
---|
126 | G4double dn=2.17*(tSum.m2()/sumM/sumM-1.); // additional partons (gluons) - real |
---|
127 | G4int np=static_cast<int>(dn); // additional partons (gluons) - basic int |
---|
128 | if(G4UniformRand()>1.-dn+np) np++; // randomized int additional partons(gluons) |
---|
129 | G4int nQTarg=theTargQC.GetTot()+np; // a#of Quark-partons in the Target |
---|
130 | G4int nQProj=theProjQC.GetTot()+np; // a#of Quark-partons in the Progectile |
---|
131 | // @@ --- new --- |
---|
132 | //G4int mQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
---|
133 | //G4int mQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
---|
134 | ////G4double tothM=tot4Mom.m()/2.; // C.M. mass of the protons |
---|
135 | ////G4int nQCM=classG4Quasmon.CalculateNumberOfQPartons(tothM); |
---|
136 | //G4double tothM2=tot4Mom.m2()/4.; // C.M. mass of the protons |
---|
137 | //G4int nQCM=static_cast<int>((1.+sqrt(tothM2/Temp2+1.))/2.); |
---|
138 | //G4int nQTarg=nQCM; // a#of Quark-partons in the Target |
---|
139 | //if(nQTarg<mQTarg) nQTarg=mQTarg; |
---|
140 | //G4int nQProj=nQCM; // a#of Quark-partons in the Progectile |
---|
141 | //if(nQProj<mQProj) nQProj=mQProj; |
---|
142 | // @@ --- end --- |
---|
143 | #ifdef pdebug |
---|
144 | G4cout<<"G4QuasmonString::Constr: nP="<<nQProj<<", nT="<<nQTarg<<G4endl; |
---|
145 | #endif |
---|
146 | // @@ Now projectile can be only meson or baryon @@ -- @@ Improve for clusters @@ -- |
---|
147 | G4LorentzVector pq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of progectile |
---|
148 | G4double rPMass=0.; // Prototype of the residProjMass (Meson case) |
---|
149 | G4bool FreeFraF=false; // Prototype of the free exchange Flag |
---|
150 | if(G4UniformRand()<FreeFra) FreeFraF=true; // Confirm the free exchange |
---|
151 | if(nQProj<2) G4cout<<"***G4QuaStr::Con: nQProj="<<nQProj<<"<2 ***FatalError***"<<G4endl; |
---|
152 | else if(nQProj>2) // ---> Baryon case (clusters are not implem.) |
---|
153 | { |
---|
154 | //if(nQProj>3)G4cout<<"-Wor-G4QS::Const:nQProj="<<nQProj<<">3 is not implem'd"<<G4endl; |
---|
155 | G4double xP=0.; |
---|
156 | if(FreeFraF) xP=RandomizeMomFractionFree(nQProj); |
---|
157 | else |
---|
158 | { |
---|
159 | xP=RandomizeMomFractionString(nQProj); |
---|
160 | theWeight*=pow(xP,interc); |
---|
161 | G4cout<<"************G4QuasmonString::Constr: string xP="<<xP<<G4endl; |
---|
162 | } |
---|
163 | rPMass = sqrt(pM2*(1.-xP)); // Residual Projectile mass |
---|
164 | #ifdef pdebug |
---|
165 | G4cout<<"G4QS::C: nQProj="<<nQProj<<", xProj="<<xP<<", rPMass="<<rPMass<<G4endl; |
---|
166 | #endif |
---|
167 | } |
---|
168 | G4LorentzVector pr4Mom(0.,0.,0.,rPMass); // Prototype of LV of the residual projectile |
---|
169 | G4bool projFl=false; |
---|
170 | G4bool targFl=false; |
---|
171 | G4bool tmpBl=projHadron.DecayIn2(pq4Mom,pr4Mom); |
---|
172 | if(tmpBl) projFl=true; // Proj decay is OK |
---|
173 | //if(projHadron.DecayIn2(pq4Mom,pr4Mom)) projFl=true; |
---|
174 | else G4cout<<"**Warning**G4QuasmonString::C:ProjDecIn2 rpM="<<rPMass<<",pM="<<pM<<G4endl; |
---|
175 | #ifdef pdebug |
---|
176 | G4cout<<"G4QuaStr::C:"<<projFl<<" split PROJ in R4M="<<pr4Mom<<" & Q4M="<<pq4Mom<<G4endl; |
---|
177 | #endif |
---|
178 | G4LorentzVector tq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of the target |
---|
179 | //if(nQTarg<3)G4cout<<"***G4QStr::Const: nQTarg="<<nQTarg<<"<3 ***FatalError***"<<G4endl; |
---|
180 | //if(nQTarg>3)G4cout<<"-W-G4QS::Const: nQTarg="<<nQTarg<<">3 is not implemented"<<G4endl; |
---|
181 | G4double xT=0.; |
---|
182 | if(FreeFraF) xT=RandomizeMomFractionFree(nQTarg); |
---|
183 | else |
---|
184 | { |
---|
185 | xT=RandomizeMomFractionString(nQTarg); |
---|
186 | theWeight*=pow(xT,interc); |
---|
187 | G4cout<<"************G4QuaString::Constr: string xT="<<xT<<G4endl; |
---|
188 | } |
---|
189 | G4double rTMass = sqrt(tM2*(1.-xT)); // Residual Target mass |
---|
190 | #ifdef pdebug |
---|
191 | G4cout<<"G4QuaString::C: nQTarg="<<nQTarg<<", xProj="<<xT<<", rTMass="<<rTMass<<G4endl; |
---|
192 | #endif |
---|
193 | G4LorentzVector tr4Mom(0.,0.,0.,rTMass); // Prototype of LV of the residual projectile |
---|
194 | if(targHadron.DecayIn2(tq4Mom,tr4Mom)) targFl=true; // Targ decay is OK |
---|
195 | else G4cout<<"**Worning**G4QuaStr::Constr:TargDecIn2 rtM="<<rTMass<<", tM="<<tM<<G4endl; |
---|
196 | #ifdef pdebug |
---|
197 | G4cout<<"G4QuaStr::C:"<<targFl<<" split TARG in R4M="<<tr4Mom<<" & Q4M="<<tq4Mom<<G4endl; |
---|
198 | #endif |
---|
199 | G4bool elasFl=false; // ByDefault avoid the elastic scattering |
---|
200 | if (targFl && projFl) // --- @@ Now only for pp case @@ --- |
---|
201 | { |
---|
202 | G4LorentzVector newProj4M=pr4Mom+tq4Mom; |
---|
203 | G4double nPM2=newProj4M.m2(); |
---|
204 | G4double npM=sqrt(nPM2); |
---|
205 | G4bool pcorFl=false; // ByDefault no MassSh correction for newProj. |
---|
206 | // @@ Just to try ---- Start |
---|
207 | //G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
---|
208 | //G4double nTM2=newTarg4M.m2(); |
---|
209 | //G4double ntM=sqrt(nTM2); |
---|
210 | #ifdef pdebug |
---|
211 | //G4cout<<"G4QStr::C:ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
---|
212 | #endif |
---|
213 | //if(ntM<tM+mPi0 && npM<pM+mPi0) elasFl=true; // Target&Project are underMinMass => El |
---|
214 | // @@ Just to try ---- End |
---|
215 | #ifdef pdebug |
---|
216 | G4cout<<"G4QuaStr::C:npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<" = "<<pM+mPi0<<G4endl; |
---|
217 | #endif |
---|
218 | if(npM<pM+mPi0) // The projectile is under min mass (@@ In Future put other cut @@) |
---|
219 | { |
---|
220 | G4double valk=tq4Mom.e(); // Momentum of the target quark |
---|
221 | //#ifdef pdebug |
---|
222 | G4double dvalk=valk-tq4Mom.rho(); |
---|
223 | if(fabs(dvalk)>.00001) G4cout<<"**kp**G4QuaStr::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
---|
224 | //#endif |
---|
225 | G4double dmas=pM2-pr4Mom.m2(); // Difference of squared masses |
---|
226 | G4double vale=pr4Mom.e(); |
---|
227 | G4ThreeVector pr=pr4Mom.v(); |
---|
228 | G4double valp=pr.mag(); |
---|
229 | G4ThreeVector upr=pr/valp; // Unit vector in the pr direction |
---|
230 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
---|
231 | if(fabs(cost)>1.) |
---|
232 | { |
---|
233 | #ifdef pdebug |
---|
234 | G4cout<<"***p***>>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
235 | #endif |
---|
236 | // Get max value of |cos(theta)| and change tq value to get the pM on mass shell |
---|
237 | if(cost>0.) // --->>> cost>0. |
---|
238 | { |
---|
239 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
---|
240 | G4ThreeVector tqf=upr*valk; // final targetQuark 3-vector |
---|
241 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
---|
242 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
---|
243 | newProj4M=tq4Mom+pr4Mom; // Final Projectile 4-mom in LS |
---|
244 | } |
---|
245 | else // --->>> cost<0. |
---|
246 | { |
---|
247 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
---|
248 | if(hvalk>tM) // Momentum can not be increased to this value |
---|
249 | { |
---|
250 | #ifdef pdebug |
---|
251 | G4cout<<"**p-Cor**>G4QuaStr::C: hvalk="<<hvalk<<" > tM="<<tM<<", dm="<<dmas |
---|
252 | <<", e="<<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
---|
253 | #endif |
---|
254 | // Put the scatteredProjectile on the massShell, and rescatter the target quark |
---|
255 | G4LorentzVector tmpProj4M=newProj4M+pq4Mom; // TempCriticalCompound for Project |
---|
256 | newProj4M=G4LorentzVector(0.,0.,0.,pM); // New Project is on the mass shell |
---|
257 | G4QHadron tmpHadron(tmpProj4M); // Create a Hadron for decay |
---|
258 | pq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewProjParton on lightMassShell |
---|
259 | tmpBl=tmpHadron.DecayIn2(newProj4M,pq4Mom); // Decay the Compound in newProg+pQ |
---|
260 | if(!tmpBl) |
---|
261 | G4cout<<"G4QuaStr::Con: DecIn2 err "<<sqrt(tmpProj4M.m2())<<"<"<<pM<<G4endl; |
---|
262 | } |
---|
263 | else |
---|
264 | { |
---|
265 | #ifdef pdebug |
---|
266 | G4cout<<"***---***>G4QuasmonStr::Constr: hvalk="<<hvalk<<" < tM="<<tM<<G4endl; |
---|
267 | #endif |
---|
268 | valk=hvalk/2; // Momentum is too small (must be reduced) |
---|
269 | G4ThreeVector tqf=upr*(-valk); // Final targetQuark 3-vector |
---|
270 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
---|
271 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
---|
272 | newProj4M=tq4Mom+pr4Mom; |
---|
273 | } |
---|
274 | } |
---|
275 | if(fabs(newProj4M.m()-pM)>.0001) |
---|
276 | G4cout<<"*G4QuaString::Constr: Change of mass "<<newProj4M.m()<<"#"<<pM<<G4endl; |
---|
277 | } |
---|
278 | else |
---|
279 | { |
---|
280 | // Turn the target quark-parton to the projectile residual in LS = CMSofTheTarget |
---|
281 | #ifdef pdebug |
---|
282 | G4cout<<"---p--->>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
283 | #endif |
---|
284 | G4ThreeVector tq=tq4Mom.v(); // 3-mom of the targetQ (LS) |
---|
285 | G4double tqlp=upr.dot(tq); // Projection of tq on the projectile |
---|
286 | G4ThreeVector tql=upr*tqlp; // tq part along pr |
---|
287 | G4ThreeVector tqt=tq-tql; // tq part perpendicular to pr |
---|
288 | G4double cosi=tqlp/valk; // Initial cos(theta) |
---|
289 | G4ThreeVector tqlf=tql*(cost/cosi); // final tq part along pr |
---|
290 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
---|
291 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
---|
292 | G4ThreeVector tqpf=tqt*(sint/sini); // final tq part perpendicular pr |
---|
293 | G4ThreeVector tqf=tqlf+tqpf; // final tq |
---|
294 | tq4Mom.setV(tqf); // Change the momentum direction of targetQ |
---|
295 | tr4Mom.setV(-tqf); // Change the momentum direction of targetR |
---|
296 | if(fabs(tqf.mag()-valk)>.0001) |
---|
297 | G4cout<<"*G4QuasmonString::Constr: |k|="<<tqf.mag()<<" # "<<valk<<G4endl; |
---|
298 | newProj4M=tq4Mom+pr4Mom; |
---|
299 | if(fabs(newProj4M.m()-pM)>.001) |
---|
300 | G4cout<<"*G4QuasmonString::Constr: M="<<newProj4M.m()<<" # "<<pM<<G4endl; |
---|
301 | } |
---|
302 | #ifdef pdebug |
---|
303 | G4cout<<"G4QuaStr::C: Proj under GS, newP4M="<<newProj4M<<", pq4M="<<pq4Mom<<G4endl; |
---|
304 | #endif |
---|
305 | pcorFl=true; // Projectile is on the GS mass shell |
---|
306 | } |
---|
307 | G4bool tcorFl=false; // ByDefault no MassSh correction for newTarg. |
---|
308 | G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
---|
309 | G4double nTM2=newTarg4M.m2(); |
---|
310 | G4double ntM=sqrt(nTM2); |
---|
311 | //newTarg4M=tr4Mom+pq4Mom; |
---|
312 | //nTM2=newTarg4M.m2(); |
---|
313 | //ntM=sqrt(nTM2); |
---|
314 | #ifdef pdebug |
---|
315 | G4cout<<"G4QuaStr::C:ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
---|
316 | #endif |
---|
317 | if(ntM<tM+mPi0 && !pcorFl) // The target is under min mass (@@ InFut put another cut@@) |
---|
318 | { |
---|
319 | // Turn the projectile quark-parton to the target rsidual in CMS of the Projectile |
---|
320 | G4LorentzVector pqc4M=pq4Mom; // projectileQuark => projCM system <step1> |
---|
321 | pqc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
---|
322 | G4double valk=pqc4M.e(); // Momentum of the target quark in projCM |
---|
323 | //#ifdef pdebug |
---|
324 | G4double dvalk=valk-pqc4M.rho(); |
---|
325 | if(fabs(dvalk)>.00001) G4cout<<"***kt***G4QuaS::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
---|
326 | //#endif |
---|
327 | G4double dmas=tM2-tr4Mom.m2(); // Difference of squared masses (targ - targRes) |
---|
328 | G4LorentzVector trc4M=tr4Mom; // targetResidual => projCM system <step1> |
---|
329 | trc4M.boost(projRBoost); // targetResidual => projCM system <step2> |
---|
330 | G4double vale=trc4M.e(); // Energy of the targetResidual in projCM |
---|
331 | G4ThreeVector tr=trc4M.v(); // 3-mom of the targetResidual in projCM |
---|
332 | G4double valp=tr.mag(); // momentum of the targetResidual in projCM |
---|
333 | if(fabs(dmas-tM2+trc4M.m2())>.1) G4cout<<"**t**G4QuaStr::C: trM2="<<tr4Mom.m2()<<"=" |
---|
334 | <<trc4M.m2()<<","<<vale*vale-valp*valp<<G4endl; |
---|
335 | G4ThreeVector utr=tr/valp; // Unit vector in the tr direction in projCM |
---|
336 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
---|
337 | if(fabs(cost)>1.) |
---|
338 | { |
---|
339 | #ifdef pdebug |
---|
340 | G4cout<<"***t***>>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
341 | #endif |
---|
342 | // Get max value of |cos(theta)| and change pq value to get the tM on mass shell |
---|
343 | if(cost>0.) // --->>> cost>0. |
---|
344 | { |
---|
345 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
---|
346 | G4ThreeVector pqf=utr*valk; // final projectileQuark 3-vector |
---|
347 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectileQuark in CM |
---|
348 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectileQuark in LS |
---|
349 | pq4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectileQuark in LS |
---|
350 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResidual in CM |
---|
351 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResidual in LS |
---|
352 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResidual in LS |
---|
353 | newTarg4M=pq4Mom+tr4Mom; // Final Target 4-mom in LS |
---|
354 | } |
---|
355 | else // --->>> cost<-1 => cost=-1 |
---|
356 | { |
---|
357 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
---|
358 | if(hvalk>pM) // Momentum can not be increased to this value |
---|
359 | { |
---|
360 | #ifdef pdebug |
---|
361 | G4cout<<"**t-Cor**>G4QuasmonString::C: hvalk="<<hvalk<<" > pM="<<pM<<", dm=" |
---|
362 | <<dmas<<", e="<<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
---|
363 | #endif |
---|
364 | // Put the scatteredProjectile on the massShell, rescatter the targetQuark (LS) |
---|
365 | G4LorentzVector tmpTarg4M=newTarg4M+tq4Mom; // TempCriticalCompound for Target |
---|
366 | newTarg4M=G4LorentzVector(0.,0.,0.,tM); // New Target is on the mass shell |
---|
367 | G4QHadron tmpHadron(tmpTarg4M); // Create a CompHadron for decay |
---|
368 | tq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewTargParton on lightMassShell |
---|
369 | tmpBl=tmpHadron.DecayIn2(newTarg4M,tq4Mom); // Decay the Compound in newTarg+tQ |
---|
370 | if(!tmpBl) |
---|
371 | G4cout<<"G4QuaString::C: DecIn2-err "<<sqrt(tmpTarg4M.m2())<<"<"<<tM<<G4endl; |
---|
372 | } |
---|
373 | else |
---|
374 | { |
---|
375 | #ifdef pdebug |
---|
376 | G4cout<<"***---***>G4QuaString::Constr: hvalk="<<hvalk<<" < pM="<<pM<<G4endl; |
---|
377 | #endif |
---|
378 | valk=hvalk/2; // Momentum is too small (mustBeIncreased) |
---|
379 | G4ThreeVector pqf=utr*(-valk); // Final projectileQuark 3-vector in CM |
---|
380 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectQuark in CM |
---|
381 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectQuark in LS |
---|
382 | pq4Mom.boost(projBoost); // <step1> // Fill new 4-mom for projectQuark in LS |
---|
383 | G4LorentzVector nTc4M=pqc4M+trc4M; |
---|
384 | #ifdef pdebug |
---|
385 | G4cout<<"G4QuasmonString::Constr:After Boost="<<projBoost<<G4endl; |
---|
386 | G4cout<<"G4QuS::C:Aft:q="<<pqc4M<<pqc4M.m2()<<",t="<<nTc4M<<nTc4M.m2()<<G4endl; |
---|
387 | G4cout<<"G4QuaStr::C:E="<<nTc4M.e()<<" = q="<<pqc4M.e()<<"="<<valk<<" + r="<< |
---|
388 | trc4M.e()<<"="<<vale<<" = "<<pqc4M.e()+trc4M.e()<<",c="<<pq4Mom<<G4endl; |
---|
389 | if(fabs(nTc4M.m()-tM)>.0001) G4cout<<"*G4QuS::C:"<<nTc4M.m()<<"!="<<tM<<G4endl; |
---|
390 | G4double pp=pqf.dot(tr); // trc3M*pqc=-valk*valp |
---|
391 | G4double ee=vale*valk; |
---|
392 | G4cout<<"G4QS::C:tM2="<<tM2<<"="<<tM*tM<<",pp="<<pp*2<<"="<<-valk*valp*2<<",d=" |
---|
393 | <<ee-pp<<"="<<dmas<<"="<<(tM2-trc4M.m2())<<",u="<<utr.dot(utr)<<G4endl; |
---|
394 | G4double sen=nTc4M.e(); |
---|
395 | G4double smo=nTc4M.rho(); |
---|
396 | G4cout<<"G4QuaStr::C: qM2="<<pqc4M.m2()<<",rM2="<<trc4M.m2()<<",E="<<sen<<"="<< |
---|
397 | vale+valk<<", P="<<smo<<"="<<valp-valk<<",M="<<sqrt(sen*sen-smo*smo)<<G4endl; |
---|
398 | #endif |
---|
399 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResid in CM |
---|
400 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResid in LS |
---|
401 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResid in LS |
---|
402 | newTarg4M=pq4Mom+tr4Mom; |
---|
403 | } |
---|
404 | } |
---|
405 | if(fabs(newTarg4M.m()-tM)>.0001) |
---|
406 | G4cout<<"****************G4QuasmonString::C: M="<<newTarg4M.m()<<"="<<pM<<G4endl; |
---|
407 | } |
---|
408 | else // -1<cos(theta)<1 - only rotate the projQ |
---|
409 | { |
---|
410 | // Turn the projectile quark-parton to the target residual in CMS of the Projectile |
---|
411 | #ifdef pdebug |
---|
412 | G4cout<<"---t--->>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
413 | #endif |
---|
414 | G4LorentzVector prc4M=pr4Mom; // projectileQuark => projCM system <step1> |
---|
415 | prc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
---|
416 | G4ThreeVector pq=pqc4M.v(); // 3-vector of the projQ in projCM |
---|
417 | G4double pqlp=utr.dot(pq); // Projection of pq on the target in projCM |
---|
418 | G4ThreeVector pql=utr*pqlp; // pq part along pr |
---|
419 | G4ThreeVector pqt=pq-pql; // pq part perpendicular to tr in projCM |
---|
420 | G4double cosi=pqlp/valk; // Initial cos(theta) |
---|
421 | G4ThreeVector pqlf=pql*(cost/cosi); // final pq part along tr |
---|
422 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
---|
423 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
---|
424 | G4ThreeVector pqpf=pqt*(sint/sini); // final pq part perpendicular tr |
---|
425 | G4ThreeVector pqf=pqlf+pqpf; // final pq |
---|
426 | pqc4M.setV(pqf); // Change the momentumDirection of projQ(CM) |
---|
427 | pq4Mom=pqc4M; // Fill new 4-mom for projQuark in LS<step1> |
---|
428 | pq4Mom.boost(projBoost); // Fill new 4-mom for projQuark in LS<step2> |
---|
429 | prc4M.setV(-pqf); // Change the momentumDirection of projR(CM) |
---|
430 | #ifdef pdebug |
---|
431 | G4LorentzVector nT4M=pqc4M+trc4M; |
---|
432 | if(fabs(nT4M.m()-tM)>.001)G4cout<<"**t**G4QuaStr::C:M="<<nT4M.m()<<"="<<tM<<G4endl; |
---|
433 | #endif |
---|
434 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projResidual in LS |
---|
435 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projResidual in LS |
---|
436 | if(fabs(pqf.mag()-valk)>.0001) |
---|
437 | G4cout<<"*G4QuasmonString::Constr: |k|="<<pqf.mag()<<"="<<valk<<G4endl; |
---|
438 | newTarg4M=pq4Mom+tr4Mom; |
---|
439 | if(fabs(newTarg4M.m()-tM)>.001) |
---|
440 | G4cout<<"*G4QuasmonString::Constr: M="<<newTarg4M.m()<<"="<<tM<<G4endl; |
---|
441 | } |
---|
442 | #ifdef pdebug |
---|
443 | G4cout<<"*G4QuaStr::C: Targ under GS, newT4M="<<newTarg4M<<", tq4M="<<tq4Mom<<G4endl; |
---|
444 | #endif |
---|
445 | tcorFl=true; // Target is on the GS mass shell |
---|
446 | newProj4M=pr4Mom+tq4Mom; // Recalculate the Projectile (!) |
---|
447 | nPM2=newProj4M.m2(); |
---|
448 | npM=sqrt(nPM2); |
---|
449 | #ifdef pdebug |
---|
450 | G4cout<<"G4QuaStr::C:npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<"="<<pM+mPi0<<G4endl; |
---|
451 | #endif |
---|
452 | if(npM<pM+mPi0) elasFl=true; // Force elastic scattering (@@InFut putAnotherCut@@) |
---|
453 | } |
---|
454 | else if(ntM<tM+mPi0) elasFl=true; // Force elastScattering (@@InFut put another cut@@) |
---|
455 | if(elasFl) // Ellastic scattering happened |
---|
456 | { |
---|
457 | // **** Put the hadrons on the mass shell conserving the CMS scattering angle **** |
---|
458 | G4LorentzVector theTot4M=theProj4Mom+theTarg4Mom;// 4-momentum of CMS of "targ+proj" |
---|
459 | G4ThreeVector cmsBoost = theTot4M.boostVector(); // CMS Boost Vector "CMS to LS" |
---|
460 | G4ThreeVector cmsRBoost= -cmsBoost; // CMS Boost Vector "LS to CMS" |
---|
461 | G4LorentzVector cmsProj4M=theProj4Mom; // LS projectile => CMS <step1> |
---|
462 | cmsProj4M.boost(cmsRBoost); // LS projectile => CMS <step2> |
---|
463 | G4LorentzVector cmsTarg4M=theTarg4Mom; // LS target => CMS <step1> |
---|
464 | cmsTarg4M.boost(cmsRBoost); // LS target => CMS <step2> |
---|
465 | G4double pcm=cmsProj4M.rho(); // CMS momentum for the elastic scattering |
---|
466 | //#ifdef pdebug |
---|
467 | if(fabs(cmsTarg4M.rho()-pcm) > 0.0001) |
---|
468 | G4cout<<"-Worning-G4QuasmonString::Constr: P="<<cmsTarg4M.rho()<<"#"<<pcm<<G4endl; |
---|
469 | //#endif |
---|
470 | G4LorentzVector cmsNewPr4M=newProj4M; // LS finalProj => CMS <step1> |
---|
471 | cmsNewPr4M.boost(cmsRBoost); // LS finalProj => CMS <step2> |
---|
472 | G4ThreeVector puV=cmsNewPr4M.v()/cmsNewPr4M.rho(); // Direction of the projectile |
---|
473 | //#ifdef pdebug |
---|
474 | G4LorentzVector cmsNewTg4M=newTarg4M; // LS finalTarg => CMS <step1> @@ TMP |
---|
475 | cmsNewTg4M.boost(cmsRBoost); // LS finalTarg => CMS <step2> @@ TMP |
---|
476 | G4ThreeVector tuV=cmsNewTg4M.v()/cmsNewTg4M.rho(); // Direction of the projectile |
---|
477 | if(1.+puV.dot(tuV) > 0.001) |
---|
478 | G4cout<<"-Worning-G4QuasmonString::Constr: ct="<<puV.dot(tuV)<<G4endl; |
---|
479 | //#endif |
---|
480 | cmsProj4M.setV(puV*pcm); |
---|
481 | newProj4M=cmsProj4M; |
---|
482 | newProj4M.boost(cmsBoost); // CMS FinalProjectile => LS <step2> |
---|
483 | G4QHadron* projH = new G4QHadron(projHadron); // Prototype of the Projectile Hadron |
---|
484 | projH->Set4Momentum(newProj4M); |
---|
485 | theQHadrons.push_back(projH); // Fill theProjectileHadron(delete equivalent) |
---|
486 | #ifdef pdebug |
---|
487 | G4cout<<"G4QuasmonString::Constr: Fill ElastProjH="<<projQPDG<<newProj4M<<G4endl; |
---|
488 | #endif |
---|
489 | cmsTarg4M.setV(puV*(-pcm)); |
---|
490 | newTarg4M=cmsTarg4M; |
---|
491 | newTarg4M.boost(cmsBoost); // CMS FinalTarget => LS <step2> |
---|
492 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M); // Prototype of theTargetHadron |
---|
493 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
494 | #ifdef pdebug |
---|
495 | G4cout<<"G4QuasmonString::Constr: Fill ElastTargH="<<targQPDG<<newTarg4M<<G4endl; |
---|
496 | #endif |
---|
497 | } |
---|
498 | else |
---|
499 | { |
---|
500 | // Inelastic scattering: one or both hadrons are excited (charge exchange is not in). |
---|
501 | if(pcorFl) // Projectile is on the mass shell |
---|
502 | { |
---|
503 | G4QHadron* projH = new G4QHadron(projHadron); // Prototype of the Projectile Hadron |
---|
504 | projH->Set4Momentum(newProj4M); |
---|
505 | theQHadrons.push_back(projH); // Fill theProjectileHadron(delete equivalent) |
---|
506 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
507 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
508 | } |
---|
509 | if(tcorFl) // Target is on the mass shell |
---|
510 | { |
---|
511 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
512 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
513 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M);//Prototype of theTargetHadron |
---|
514 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
515 | } |
---|
516 | else // Both are excited (two Quasmons only) |
---|
517 | { |
---|
518 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
519 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
520 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
521 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
522 | } |
---|
523 | } |
---|
524 | } |
---|
525 | else G4cout<<"-Wor-G4QuasmonString::Constr:T="<<targFl<<" or P="<<projFl<<" err"<<G4endl; |
---|
526 | #ifdef pdebug |
---|
527 | G4cout<<"G4QuasmonString::Constructor: *** End of Constructor ***, elF="<<elasFl<<G4endl; |
---|
528 | #endif |
---|
529 | // This is the first Check of the control values -- @@ Must be remade @@ -- |
---|
530 | #ifdef chdebug |
---|
531 | G4int finCharge=0; |
---|
532 | G4int finBaryoN=0; |
---|
533 | G4int nHad=theQHadrons.size(); |
---|
534 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
535 | { |
---|
536 | finCharge+=theQHadrons[ih]->GetCharge(); |
---|
537 | finBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
538 | } |
---|
539 | G4int nQuas=theQuasmons.size(); |
---|
540 | if(nQuas) for(G4int iq=0; iq<nQuas; iq++) |
---|
541 | { |
---|
542 | finCharge+=theQuasmons[iq]->GetCharge(); |
---|
543 | finBaryoN+=theQuasmons[iq]->GetBaryonNumber(); |
---|
544 | } |
---|
545 | G4cout<<"G4QuaStr::C:n="<<nHad<<",N="<<nQuas<<",C="<<finCharge<<",B="<<finBaryoN<<G4endl; |
---|
546 | if(finCharge!=totCharge || finBaryoN!=totBaryNum) |
---|
547 | { |
---|
548 | G4cerr<<"***G4QuasmonString::C: tC="<<totCharge<<",C="<<finCharge<<",tB="<<totBaryNum |
---|
549 | <<",B="<<finBaryoN<<G4endl; |
---|
550 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
551 | { |
---|
552 | G4QHadron* cH = theQHadrons[h]; |
---|
553 | G4cerr<<">G4QuaStr::C:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
554 | } |
---|
555 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
556 | { |
---|
557 | G4Quasmon* cQ = theQuasmons[q]; |
---|
558 | G4cerr<<">G4QuaStr::C:q#"<<q<<",C="<<cQ->GetCharge()<<",QCont="<<cQ->GetQC()<<G4endl; |
---|
559 | } |
---|
560 | } |
---|
561 | #endif |
---|
562 | } // End of the G4QuasmonString constructor |
---|
563 | |
---|
564 | G4QuasmonString::G4QuasmonString(const G4QuasmonString &right) |
---|
565 | { |
---|
566 | // theQuasmons (Vector) |
---|
567 | G4int nQ = right.theQuasmons.size(); |
---|
568 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
569 | { |
---|
570 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
571 | #ifdef fdebug |
---|
572 | G4cout<<"G4QuaStr::CopyByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
573 | #endif |
---|
574 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
575 | } |
---|
576 | theProjEnvFlag = right.theProjEnvFlag; |
---|
577 | theTargEnvFlag = right.theTargEnvFlag; |
---|
578 | theWeight = right.theWeight; |
---|
579 | theProjQC = right.theProjQC; |
---|
580 | theTargQC = right.theTargQC; |
---|
581 | theProj4Mom = right.theProj4Mom; |
---|
582 | theTarg4Mom = right.theTarg4Mom; |
---|
583 | |
---|
584 | theWorld = right.theWorld; |
---|
585 | tot4Mom = right.tot4Mom; |
---|
586 | totCharge = right.totCharge; |
---|
587 | totBaryNum = right.totBaryNum; |
---|
588 | } |
---|
589 | |
---|
590 | const G4QuasmonString& G4QuasmonString::operator=(const G4QuasmonString &right) |
---|
591 | {// ======================================================================== |
---|
592 | if(this != &right) // Beware of self assignment |
---|
593 | { |
---|
594 | // theQuasmons (Vector) |
---|
595 | G4int iQ = theQuasmons.size(); |
---|
596 | if(iQ) for(G4int jq=0; jq<iQ; jq++) delete theQuasmons[jq]; |
---|
597 | theQuasmons.clear(); |
---|
598 | G4int nQ = right.theQuasmons.size(); |
---|
599 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
600 | { |
---|
601 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
602 | #ifdef fdebug |
---|
603 | G4cout<<"G4QuaStr::CpByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
604 | #endif |
---|
605 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
606 | } |
---|
607 | theProjEnvFlag = right.theProjEnvFlag; |
---|
608 | theTargEnvFlag = right.theTargEnvFlag; |
---|
609 | theWeight = right.theWeight; |
---|
610 | theProjQC = right.theProjQC; |
---|
611 | theTargQC = right.theTargQC; |
---|
612 | theProj4Mom = right.theProj4Mom; |
---|
613 | theTarg4Mom = right.theTarg4Mom; |
---|
614 | |
---|
615 | theWorld = right.theWorld; |
---|
616 | tot4Mom = right.tot4Mom; |
---|
617 | totCharge = right.totCharge; |
---|
618 | totBaryNum = right.totBaryNum; |
---|
619 | } |
---|
620 | return *this; |
---|
621 | } |
---|
622 | |
---|
623 | G4QuasmonString::G4QuasmonString(G4QuasmonString* right) |
---|
624 | { |
---|
625 | // theQuasmons (Vector) |
---|
626 | G4int nQ = right->theQuasmons.size(); |
---|
627 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
628 | { |
---|
629 | G4Quasmon* curQ = new G4Quasmon(right->theQuasmons[iq]); |
---|
630 | #ifdef fdebug |
---|
631 | G4cout<<"G4QuaStr::CpByPoint:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
632 | #endif |
---|
633 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
634 | } |
---|
635 | theProjEnvFlag = right->theProjEnvFlag; |
---|
636 | theTargEnvFlag = right->theTargEnvFlag; |
---|
637 | theWeight = right->theWeight; |
---|
638 | theProjQC = right->theProjQC; |
---|
639 | theTargQC = right->theTargQC; |
---|
640 | theProj4Mom = right->theProj4Mom; |
---|
641 | theTarg4Mom = right->theTarg4Mom; |
---|
642 | |
---|
643 | theWorld = right->theWorld; |
---|
644 | tot4Mom = right->tot4Mom; |
---|
645 | totCharge = right->totCharge; |
---|
646 | totBaryNum = right->totBaryNum; |
---|
647 | } |
---|
648 | |
---|
649 | G4QuasmonString::~G4QuasmonString() |
---|
650 | { |
---|
651 | #ifdef debug |
---|
652 | G4cout<<"~G4QuasmonString: before theQHadrons nH="<<theQHadrons.size()<<G4endl; |
---|
653 | #endif |
---|
654 | for_each(theQHadrons.begin(), theQHadrons.end(), DeleteQHadron()); |
---|
655 | #ifdef debug |
---|
656 | G4cout<<"~G4QuasmonString: before theQuasmons nQ="<<theQuasmons.size()<<G4endl; |
---|
657 | #endif |
---|
658 | for_each(theQuasmons.begin(), theQuasmons.end(), DeleteQuasmon()); |
---|
659 | #ifdef debug |
---|
660 | G4cout<<"~G4QuasmonString: === DONE ==="<<G4endl; |
---|
661 | #endif |
---|
662 | } |
---|
663 | |
---|
664 | // ================== Initialization of Static Parameters ============ |
---|
665 | //G4double G4QuasmonString::StParName=0.; // Static Parameter (Example) |
---|
666 | //G4bool G4QuasmonString::stFlag=false; // Static Flag (Example) |
---|
667 | |
---|
668 | // Fill the private static parameters |
---|
669 | //void G4QuasmonString::SetParameters(G4double aStPar, G4bool aStFlag) |
---|
670 | //{// ==================================================================================== |
---|
671 | // StParName=aStPar; // (Example) |
---|
672 | // stFlag=aStFlag; // (Example) |
---|
673 | //} |
---|
674 | |
---|
675 | |
---|
676 | //The public Hadronisation function with the Exception treatment (del respons. of User !) |
---|
677 | G4QHadronVector* G4QuasmonString::Fragment() |
---|
678 | {// ========================== -- @@ Must be changed @@ -- |
---|
679 | // Make the final check before filling the output -- @@ Must be changed @@ -- |
---|
680 | #ifdef chdebug |
---|
681 | G4int fCharge=0; |
---|
682 | G4int fBaryoN=0; |
---|
683 | G4int nHad=theQHadrons.size(); |
---|
684 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
685 | { |
---|
686 | fCharge+=theQHadrons[ih]->GetCharge(); |
---|
687 | fBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
688 | } |
---|
689 | G4int nQuas=theQuasmons.size(); |
---|
690 | if(nQuas)for(G4int iqs=0; iqs<nQuas; iqs++) |
---|
691 | { |
---|
692 | fCharge+=theQuasmons[iqs]->GetCharge(); |
---|
693 | fBaryoN+=theQuasmons[iqs]->GetBaryonNumber(); |
---|
694 | } |
---|
695 | if(fCharge!=totCharge || fBaryoN!=totBaryNum) |
---|
696 | { |
---|
697 | G4cerr<<"***G4QuasmonString::Fragment: tC="<<totCharge<<", C="<<fCharge<<", tB=" |
---|
698 | <<totBaryNum<<", B="<<fBaryoN<<G4endl; |
---|
699 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
700 | { |
---|
701 | G4QHadron* cH = theQHadrons[h]; |
---|
702 | G4cerr<<":G4QuaSt::HQ:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
703 | } |
---|
704 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
705 | { |
---|
706 | G4Quasmon* cQ = theQuasmons[q]; |
---|
707 | G4cerr<<":G4QuaSt::HQ:q#"<<q<<",C="<<cQ->GetCharge()<<",QCont="<<cQ->GetQC()<<G4endl; |
---|
708 | } |
---|
709 | } |
---|
710 | #endif |
---|
711 | G4QHadronVector dummy; // Prototype of the output G4QuasmonVector to avoid wornings |
---|
712 | G4QHadronVector* finalQHadrons = &dummy; // Prototype of the output G4QuasmonVector |
---|
713 | G4int nH = theQHadrons.size(); |
---|
714 | if(nH) |
---|
715 | { |
---|
716 | for(G4int ih=0; ih<nH; ih++) |
---|
717 | { |
---|
718 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
719 | finalQHadrons->push_back(curH); // deleted after the "while LOOP" |
---|
720 | } |
---|
721 | } |
---|
722 | for_each(theQuasmons.begin(),theQuasmons.end(),DeleteQuasmon()); //CleanUp Quasm's |
---|
723 | theQuasmons.clear(); |
---|
724 | return finalQHadrons; |
---|
725 | } // End of the Fragmentation member function |
---|
726 | |
---|
727 | //The public extraction of the number of the created (in Constructor) G4QHadrons |
---|
728 | G4int G4QuasmonString::GetNOfHadrons() {return theQHadrons.size();} |
---|
729 | |
---|
730 | //The public extraction of the number of the created (in Constructor) G4Quasmons |
---|
731 | G4int G4QuasmonString::GetNOfQuasmons() {return theQuasmons.size();} |
---|
732 | |
---|
733 | //The public extraction of the projectile environment flag ("true" - exists) |
---|
734 | G4bool G4QuasmonString::GetProjEnvFlag() {return theProjEnvFlag;} |
---|
735 | |
---|
736 | //The public extraction of the target environment flag ("true" - exists) |
---|
737 | G4bool G4QuasmonString::GetTargEnvFlag() {return theTargEnvFlag;} |
---|
738 | |
---|
739 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
740 | G4QuasmonVector* G4QuasmonString::GetQuasmons() |
---|
741 | {// ============================== |
---|
742 | G4int nQ=theQuasmons.size(); |
---|
743 | #ifdef pdebug |
---|
744 | G4cout<<"G4QuasmonString::GetQuasmons is called nQ="<<nQ<<G4endl; |
---|
745 | #endif |
---|
746 | G4QuasmonVector* quasmons = new G4QuasmonVector; // Intermediate |
---|
747 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
748 | { |
---|
749 | #ifdef pdebug |
---|
750 | G4cout<<"G4QStr::GetQuasmons:Q#"<<iq<<",QPDG="<<theQuasmons[iq]->GetQPDG()<<",QQC=" |
---|
751 | <<theQuasmons[iq]->GetQC()<<",Q4M="<<theQuasmons[iq]->Get4Momentum()<<G4endl; |
---|
752 | #endif |
---|
753 | if(theQuasmons[iq]->GetStatus()) |
---|
754 | { |
---|
755 | G4Quasmon* curQ = new G4Quasmon(theQuasmons[iq]); |
---|
756 | quasmons->push_back(curQ); // (del. equiv. - user is responsibile) |
---|
757 | } |
---|
758 | } |
---|
759 | #ifdef pdebug |
---|
760 | G4cout<<"G4QuasmonString::GetQuasmons ===OUT==="<<G4endl; |
---|
761 | #endif |
---|
762 | return quasmons; |
---|
763 | } // End of GetQuasmons |
---|
764 | |
---|
765 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
766 | G4QHadronVector* G4QuasmonString::GetHadrons() |
---|
767 | {// ============================= |
---|
768 | G4int nH=theQHadrons.size(); |
---|
769 | #ifdef pdebug |
---|
770 | G4cout<<"G4QuasmonString::GetHadrons is called nH="<<nH<<G4endl; |
---|
771 | #endif |
---|
772 | G4QHadronVector* hadrons = new G4QHadronVector; // Intermediate |
---|
773 | if(nH) for(G4int ih=0; ih<nH; ih++) |
---|
774 | { |
---|
775 | #ifdef pdebug |
---|
776 | G4cout<<"G4QStr::GetHadrons: H#"<<ih<<",QPDG="<<theQHadrons[ih]->GetQPDG()<<",QQC=" |
---|
777 | <<theQHadrons[ih]->GetQC()<<",H_Mass="<<theQHadrons[ih]->GetMass()<<G4endl; |
---|
778 | #endif |
---|
779 | if(!theQHadrons[ih]->GetNFragments()) |
---|
780 | { |
---|
781 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
782 | hadrons->push_back(curH); // (del. equiv. - user is responsibile) |
---|
783 | } |
---|
784 | } |
---|
785 | #ifdef pdebug |
---|
786 | G4cout<<"G4QuasmonString::GetHadrons ===OUT==="<<G4endl; |
---|
787 | #endif |
---|
788 | return hadrons; |
---|
789 | } // End of GetHadrons |
---|
790 | |
---|
791 | // Randomize the momentum fraction for the CHIPS of nPart free partons [x*(1-x)^(n-3)] |
---|
792 | G4double G4QuasmonString::RandomizeMomFractionFree(G4int nPart) |
---|
793 | {// ============================================== |
---|
794 | // @@ TMP --- Begin --- |
---|
795 | if(2>1) |
---|
796 | { |
---|
797 | if(nPart<2) |
---|
798 | { |
---|
799 | G4cerr<<"**G4QuasmonString::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
800 | return 0.; |
---|
801 | } |
---|
802 | G4double x=0.5; |
---|
803 | if(nPart==2) return x; // GS meson |
---|
804 | G4double r=G4UniformRand(); |
---|
805 | if(r==0.) return 0.; |
---|
806 | if(r==1.) return 1.; |
---|
807 | if (nPart==3) x=r; // GS baryon |
---|
808 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
809 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
810 | return x; |
---|
811 | } |
---|
812 | //if(nPart!=3) G4cerr<<"*>>>>>*G4QuasmonString::RandMomFractionFree: n="<<nPart<<G4endl; |
---|
813 | // @@ TMP --- End --- |
---|
814 | if(nPart<2) |
---|
815 | { |
---|
816 | G4cerr<<"**G4QuasmonString::RandMomFractionFree: n="<<nPart<<" < 2, retun 0."<<G4endl; |
---|
817 | return 0.; |
---|
818 | } |
---|
819 | G4double x=0.5; |
---|
820 | if(nPart==2) return x; // GS meson |
---|
821 | G4double r=G4UniformRand(); |
---|
822 | if(r==0.) return 0.; |
---|
823 | if(r==1.) return 1.; |
---|
824 | if(nPart==3) x=sqrt(r); // GS baryon |
---|
825 | else if(nPart==4) // GS quaternion |
---|
826 | { |
---|
827 | if (r==0.5) x=0.5; |
---|
828 | else if(r<0.5) x=sqrt(r+r)*(.5+.1579*(r-.5)); |
---|
829 | else x=1.-sqrt(2.-r-r)*(.5+.1579*(.5-r)); |
---|
830 | } |
---|
831 | else |
---|
832 | { |
---|
833 | G4int n1=nPart-2; |
---|
834 | G4double r1=n1; |
---|
835 | G4double r2=r1-1.; |
---|
836 | G4double rr=r2/r1; |
---|
837 | G4double rp=pow(rr,n1); |
---|
838 | G4double p2=rp+rp; |
---|
839 | if (r==rr) x=p2; |
---|
840 | else |
---|
841 | { |
---|
842 | if(r<rr) |
---|
843 | { |
---|
844 | G4double pr=0.; |
---|
845 | G4double pra=0.; |
---|
846 | if(nPart>8) |
---|
847 | { |
---|
848 | if(nPart>10) |
---|
849 | { |
---|
850 | if(nPart>11) // >11 |
---|
851 | { |
---|
852 | pr=.614/pow((nPart+1.25),.75); |
---|
853 | pra=.915/pow((nPart+6.7),1.75); |
---|
854 | } |
---|
855 | else // 11 |
---|
856 | { |
---|
857 | pr=.09945; |
---|
858 | pra=.00667; |
---|
859 | } |
---|
860 | } |
---|
861 | else |
---|
862 | { |
---|
863 | if(nPart>9) // 10 |
---|
864 | { |
---|
865 | pr=.1064; |
---|
866 | pra=.00741; |
---|
867 | } |
---|
868 | else // 9 |
---|
869 | { |
---|
870 | pr=.11425; |
---|
871 | pra=.00828; |
---|
872 | } |
---|
873 | } |
---|
874 | } |
---|
875 | else |
---|
876 | { |
---|
877 | if(nPart>6) |
---|
878 | { |
---|
879 | if(nPart>7) // 8 |
---|
880 | { |
---|
881 | pr=.12347; |
---|
882 | pra=.00926; |
---|
883 | } |
---|
884 | else // 7 |
---|
885 | { |
---|
886 | pr=.13405; |
---|
887 | pra=.01027; |
---|
888 | } |
---|
889 | } |
---|
890 | else |
---|
891 | { |
---|
892 | if(nPart>5) // 6 |
---|
893 | { |
---|
894 | pr=.1454; |
---|
895 | pra=.01112; |
---|
896 | } |
---|
897 | else // 5 |
---|
898 | { |
---|
899 | pr=.15765; |
---|
900 | pra=.00965; |
---|
901 | } |
---|
902 | } |
---|
903 | } |
---|
904 | x=pow((r/p2),(1.-rr+pra))*(rr+pr*(r-p2)); |
---|
905 | } |
---|
906 | else |
---|
907 | { |
---|
908 | G4double sr=0.; |
---|
909 | if(nPart>8) |
---|
910 | { |
---|
911 | if(nPart>10) |
---|
912 | { |
---|
913 | if(nPart>11) sr=.86/(nPart+1.05); // >11 |
---|
914 | else sr=.0774; // 11 |
---|
915 | } |
---|
916 | else |
---|
917 | { |
---|
918 | if(nPart>9) sr=.0849; // 10 |
---|
919 | else sr=.0938; // 9 |
---|
920 | } |
---|
921 | } |
---|
922 | else |
---|
923 | { |
---|
924 | if(nPart>6) |
---|
925 | { |
---|
926 | if(nPart>7) sr=.1047; // 8 |
---|
927 | else sr=.1179; // 7 |
---|
928 | } |
---|
929 | else |
---|
930 | { |
---|
931 | if(nPart>5) sr=.1339; // 6 |
---|
932 | else sr=.15135; // 5 |
---|
933 | } |
---|
934 | } |
---|
935 | x=1.-sqrt((1.-r)/(1.-p2))*(1.-rr+sr*(p2-r)); |
---|
936 | } |
---|
937 | } |
---|
938 | } |
---|
939 | return x; |
---|
940 | } // End of RandomizeMomFractionFree |
---|
941 | |
---|
942 | // Randomize MomentumFraction for CHIPS of nPart partons for Pomeron exchange [(1-x)^(n-2)] |
---|
943 | G4double G4QuasmonString::RandomizeMomFractionString(G4int nPart) |
---|
944 | {// ================================================ |
---|
945 | if(nPart<2) |
---|
946 | { |
---|
947 | G4cerr<<"**G4QuasmonString::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
948 | return 0.; |
---|
949 | } |
---|
950 | G4double x=0.5; |
---|
951 | if(nPart==2) return x; // GS meson |
---|
952 | G4double r=G4UniformRand(); |
---|
953 | if(r==0.) return 0.; |
---|
954 | if(r==1.) return 1.; |
---|
955 | if (nPart==3) x=r; // GS baryon |
---|
956 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
957 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
958 | return x; |
---|
959 | } // End of RandomizeMomFractionString |
---|