#include <EvtJetSet.hh>
Inheritance diagram for EvtJetSet:
Public Member Functions | |
void | checkNArg (int a1, int a2=-1, int a3=-1, int a4=-1) |
void | checkNDaug (int d1, int d2=-1) |
void | checkQ () |
void | checkSpinDaughter (int d1, EvtSpinType::spintype sp) |
void | checkSpinParent (EvtSpinType::spintype sp) |
EvtDecayBase * | clone () |
void | command (std::string cmd) |
std::string | commandName () |
void | decay (EvtParticle *p) |
void | disableCheckQ () |
EvtJetSet () | |
double | getArg (int j) |
double * | getArgs () |
std::string * | getArgsStr () |
std::string | getArgStr (int j) |
double | getBranchingFraction () |
EvtId | getDaug (int i) |
EvtId * | getDaugs () |
int | getDSum () |
std::string | getModelName () |
void | getName (std::string &name) |
int | getNArg () |
int | getNDaug () |
EvtId | getParentId () |
int | getPHOTOS () |
double | getProbMax (double prob) |
void | init () |
void | initProbMax () |
int | isDaughterSpinDensitySet (int daughter) |
void | makeDecay (EvtParticle *p) |
virtual bool | matchingDecay (const EvtDecayBase &other) const |
void | noProbMax () |
virtual int | nRealDaughters () |
void | printSummary () |
double | resetProbMax (double prob) |
void | saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr) |
void | setDaughterSpinDensity (int daughter) |
void | setPHOTOS () |
void | setProbMax (double prbmx) |
void | setSummary () |
void | setVerbose () |
int | summary () |
int | verbose () |
virtual | ~EvtJetSet () |
Static Public Member Functions | |
void | findMass (EvtParticle *p) |
void | findMasses (EvtParticle *p, int ndaugs, EvtId daugs[10], double masses[10]) |
double | findMaxMass (EvtParticle *p) |
void | jetSetInit () |
Protected Member Functions | |
bool | daugsDecayedByParentModel () |
Protected Attributes | |
bool | _daugsDecayedByParentModel |
Private Member Functions | |
void | fixPolarizations (EvtParticle *p) |
void | store (EvtDecayBase *jsdecay) |
Static Private Member Functions | |
void | MakeJetSetFile (char *fname) |
void | WriteJetSetEntryHeader (std::ofstream &outdec, int lundkc, EvtId evtnum, std::string name, int chg, int cchg, int spin2, double mass, double width, double maxwidth, double ctau, int stable, double rawbrfrsum) |
void | WriteJetSetParticle (std::ofstream &outdec, EvtId ipar, EvtId iparname, int &first) |
Static Private Attributes | |
std::string * | commands = 0 |
EvtDecayBasePtr * | jetsetdecays = 0 |
int | lcommand = 0 |
int | ncommand = 0 |
int | njetsetdecays = 0 |
int | ntable = 0 |
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00074 {}
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00076 { 00077 00078 00079 int i; 00080 00081 00082 //the deletion of commands is really uggly! 00083 00084 if (njetsetdecays==0) { 00085 delete [] commands; 00086 commands=0; 00087 return; 00088 } 00089 00090 for(i=0;i<njetsetdecays;i++){ 00091 if (jetsetdecays[i]==this){ 00092 jetsetdecays[i]=jetsetdecays[njetsetdecays-1]; 00093 njetsetdecays--; 00094 if (njetsetdecays==0) { 00095 delete [] commands; 00096 commands=0; 00097 } 00098 return; 00099 } 00100 } 00101 00102 report(ERROR,"EvtGen") << "Error in destroying JetSet model!"<<endl; 00103 00104 }
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00483 { 00484 00485 if ( _narg != a1 && _narg != a2 && _narg != a3 && _narg != a4 ) { 00486 report(ERROR,"EvtGen") << _modelname.c_str() << " generator expected "<<endl; 00487 report(ERROR,"EvtGen") << a1<<endl;; 00488 if ( a2>-1) { 00489 report(ERROR,"EvtGen") << " or " << a2<<endl; 00490 } 00491 if ( a3>-1) { 00492 report(ERROR,"EvtGen") << " or " << a3<<endl; 00493 } 00494 if ( a4>-1) { 00495 report(ERROR,"EvtGen") << " or " << a4<<endl; 00496 } 00497 report(ERROR,"EvtGen") << " arguments but found:"<< _narg << endl; 00498 printSummary(); 00499 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00500 ::abort(); 00501 00502 } 00503 00504 }
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00505 { 00506 00507 if ( _ndaug != d1 && _ndaug != d2 ) { 00508 report(ERROR,"EvtGen") << _modelname.c_str() << " generator expected "; 00509 report(ERROR,"EvtGen") << d1; 00510 if ( d2>-1) { 00511 report(ERROR,"EvtGen") << " or " << d2; 00512 } 00513 report(ERROR,"EvtGen") << " daughters but found:"<< _ndaug << endl; 00514 printSummary(); 00515 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00516 ::abort(); 00517 } 00518 00519 }
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00035 { 00036 int i; 00037 int q=0; 00038 int qpar; 00039 00040 //If there are no daughters (jetset etc) then we do not 00041 //want to do this test. Why? Because sometimes the parent 00042 //will have a nonzero charge. 00043 00044 if ( _ndaug != 0) { 00045 for(i=0; i<_ndaug; i++ ) { 00046 q += EvtPDL::chg3(_daug[i]); 00047 } 00048 qpar = EvtPDL::chg3(_parent); 00049 00050 if ( q != qpar ) { 00051 report(ERROR,"EvtGen") <<_modelname.c_str()<< " generator expected " 00052 << " charge to be conserved, found:"<<endl; 00053 report(ERROR,"EvtGen") << "Parent charge of "<<(qpar/3)<<endl; 00054 report(ERROR,"EvtGen") << "Sum of daughter charge of "<<(q/3)<<endl; 00055 report(ERROR,"EvtGen") << "The parent is "<< EvtPDL::name(_parent).c_str()<<endl; 00056 for(i=0; i<_ndaug; i++ ) { 00057 report(ERROR,"EvtGen") << "Daughter "<< EvtPDL::name(_daug[i]).c_str()<<endl; 00058 } 00059 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00060 00061 ::abort(); 00062 } 00063 } 00064 }
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00534 { 00535 00536 EvtSpinType::spintype parenttype = EvtPDL::getSpinType(getDaug(d1)); 00537 if ( parenttype != sp ) { 00538 report(ERROR,"EvtGen") << _modelname.c_str() 00539 << " did not get the correct daughter spin d=" 00540 << d1 << endl; 00541 printSummary(); 00542 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00543 ::abort(); 00544 } 00545 00546 }
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00521 { 00522 00523 EvtSpinType::spintype parenttype = EvtPDL::getSpinType(getParentId()); 00524 if ( parenttype != sp ) { 00525 report(ERROR,"EvtGen") << _modelname.c_str() 00526 << " did not get the correct parent spin\n"; 00527 printSummary(); 00528 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00529 ::abort(); 00530 } 00531 00532 }
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Implements EvtDecayBase. 00113 { 00114 00115 return new EvtJetSet; 00116 00117 }
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Reimplemented from EvtDecayBase. 00157 { 00158 00159 if (ncommand==lcommand){ 00160 00161 lcommand=10+2*lcommand; 00162 00163 std::string* newcommands=new std::string[lcommand]; 00164 00165 int i; 00166 00167 for(i=0;i<ncommand;i++){ 00168 newcommands[i]=commands[i]; 00169 } 00170 00171 delete [] commands; 00172 00173 commands=newcommands; 00174 00175 } 00176 00177 commands[ncommand]=cmd; 00178 00179 ncommand++; 00180 00181 }
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Reimplemented from EvtDecayBase. 00150 { 00151 00152 return std::string("JetSetPar"); 00153 00154 }
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00111 {return _daugsDecayedByParentModel;}
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Implements EvtDecayBase. 00185 { 00186 00187 00188 //added by Lange Jan4,2000 00189 static EvtId STRNG=EvtPDL::getId("string"); 00190 00191 int istdheppar=EvtPDL::getStdHep(p->getId()); 00192 00193 if (lucomp_(&istdheppar)==0){ 00194 report(ERROR,"EvtGen") << "Jetset can not decay:" 00195 <<EvtPDL::name(p->getId()).c_str()<<endl; 00196 return; 00197 } 00198 00199 double mp=p->mass(); 00200 00201 EvtVector4R p4[20]; 00202 00203 int i,more; 00204 int ip=EvtPDL::getStdHep(p->getId()); 00205 int ndaugjs; 00206 int kf[100]; 00207 EvtId evtnumstable[100],evtnumparton[100]; 00208 int stableindex[100],partonindex[100]; 00209 int numstable; 00210 int numparton; 00211 int km[100]; 00212 EvtId type[MAX_DAUG]; 00213 00214 jetSetInit(); 00215 00216 double px[100],py[100],pz[100],e[100]; 00217 00218 if ( p->getNDaug() != 0 ) { p->deleteDaughters(true);} 00219 00220 int count=0; 00221 00222 do{ 00223 //report(INFO,"EvtGen") << "calling jetset " << ip<< " " << mp <<endl; 00224 jetset1_(&ip,&mp,&ndaugjs,kf,km,px,py,pz,e); 00225 00226 00227 numstable=0; 00228 numparton=0; 00229 //report(INFO,"EvtGen") << "found some daughters " << ndaugjs << endl; 00230 for(i=0;i<ndaugjs;i++){ 00231 00232 if (EvtPDL::evtIdFromStdHep(kf[i])==EvtId(-1,-1)) { 00233 report(ERROR,"EvtGen") << "JetSet returned particle:"<<kf[i]<<endl; 00234 report(ERROR,"EvtGen") << "This can not be translated to evt number"<<endl; 00235 report(ERROR,"EvtGen") << "and the decay will be rejected!"<<endl; 00236 report(ERROR,"EvtGen") << "The decay was of particle:"<<ip<<endl; 00237 00238 } 00239 00240 //sort out the partons 00241 if (abs(kf[i])<=6||kf[i]==21){ 00242 partonindex[numparton]=i; 00243 evtnumparton[numparton]=EvtPDL::evtIdFromStdHep(kf[i]); 00244 numparton++; 00245 } 00246 else{ 00247 stableindex[numstable]=i; 00248 evtnumstable[numstable]=EvtPDL::evtIdFromStdHep(kf[i]); 00249 numstable++; 00250 } 00251 00252 00253 // have to protect against negative mass^2 for massless particles 00254 // i.e. neutrinos and photons. 00255 // this is uggly but I need to fix it right now.... 00256 00257 if (px[i]*px[i]+py[i]*py[i]+pz[i]*pz[i]>=e[i]*e[i]){ 00258 00259 e[i]=sqrt(px[i]*px[i]+py[i]*py[i]+pz[i]*pz[i])+0.0000000000001; 00260 00261 } 00262 00263 p4[i].set(e[i],px[i],py[i],pz[i]); 00264 00265 00266 } 00267 00268 int channel=EvtDecayTable::inChannelList(p->getId(),numstable,evtnumstable); 00269 00270 00271 more=(channel!=-1); 00272 00273 00274 00275 00276 count++; 00277 00278 }while( more && (count<10000) ); 00279 00280 if (count>9999) { 00281 report(INFO,"EvtGen") << "Too many loops in EvtJetSet!!!"<<endl; 00282 report(INFO,"EvtGen") << "Parent:"<<EvtPDL::name(getParentId()).c_str()<<endl; 00283 for(i=0;i<numstable;i++){ 00284 report(INFO,"EvtGen") << "Daug("<<i<<")"<<EvtPDL::name(evtnumstable[i]).c_str()<<endl; 00285 } 00286 00287 } 00288 00289 00290 00291 if (numparton==0){ 00292 00293 p->makeDaughters(numstable,evtnumstable); 00294 int ndaugFound=0; 00295 for(i=0;i<numstable;i++){ 00296 p->getDaug(i)->init(evtnumstable[i],p4[stableindex[i]]); 00297 ndaugFound++; 00298 } 00299 if ( ndaugFound == 0 ) { 00300 report(ERROR,"EvtGen") << "Jetset has failed to do a decay "; 00301 report(ERROR,"EvtGen") << EvtPDL::name(p->getId()).c_str() << " " << p->mass()<<endl; 00302 assert(0); 00303 } 00304 00305 fixPolarizations(p); 00306 00307 return ; 00308 00309 } 00310 else{ 00311 00312 //have partons in JETSET 00313 00314 EvtVector4R p4string(0.0,0.0,0.0,0.0); 00315 00316 for(i=0;i<numparton;i++){ 00317 p4string+=p4[partonindex[i]]; 00318 } 00319 00320 int nprimary=1; 00321 type[0]=STRNG; 00322 for(i=0;i<numstable;i++){ 00323 if (km[stableindex[i]]==0){ 00324 type[nprimary++]=evtnumstable[i]; 00325 } 00326 } 00327 00328 p->makeDaughters(nprimary,type); 00329 00330 p->getDaug(0)->init(STRNG,p4string); 00331 00332 EvtVector4R p4partons[10]; 00333 00334 for(i=0;i<numparton;i++){ 00335 p4partons[i]=p4[partonindex[i]]; 00336 } 00337 00338 ((EvtStringParticle*)p->getDaug(0))->initPartons(numparton,p4partons,evtnumparton); 00339 00340 00341 00342 nprimary=1; 00343 00344 for(i=0;i<numstable;i++){ 00345 00346 if (km[stableindex[i]]==0){ 00347 p->getDaug(nprimary++)->init(evtnumstable[i],p4[stableindex[i]]); 00348 } 00349 } 00350 00351 00352 int nsecond=0; 00353 for(i=0;i<numstable;i++){ 00354 if (km[stableindex[i]]!=0){ 00355 type[nsecond++]=evtnumstable[i]; 00356 } 00357 } 00358 00359 00360 p->getDaug(0)->makeDaughters(nsecond,type); 00361 00362 EvtVector4R p4stringboost(p4string.get(0),-p4string.get(1), 00363 -p4string.get(2),-p4string.get(3)); 00364 00365 nsecond=0; 00366 for(i=0;i<numstable;i++){ 00367 if (km[stableindex[i]]!=0){ 00368 p4[stableindex[i]]=boostTo(p4[stableindex[i]],p4stringboost); 00369 p->getDaug(0)->getDaug(nsecond)->init(evtnumstable[i],p4[stableindex[i]]); 00370 p->getDaug(0)->getDaug(nsecond)->setDiagonalSpinDensity(); 00371 p->getDaug(0)->getDaug(nsecond)->decay(); 00372 nsecond++; 00373 } 00374 } 00375 00376 if ( nsecond == 0 ) { 00377 report(ERROR,"EvtGen") << "Jetset has failed to do a decay "; 00378 report(ERROR,"EvtGen") << EvtPDL::name(p->getId()).c_str() << " " << p->mass() <<endl; 00379 assert(0); 00380 } 00381 00382 fixPolarizations(p); 00383 00384 return ; 00385 00386 } 00387 00388 }
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00062 {_chkCharge=0;};
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00347 { 00348 00349 //Need to also check that this mass does not screw 00350 //up the parent 00351 //This code assumes that for the ith daughter, 0..i-1 00352 //already have a mass 00353 double maxOkMass=findMaxMass(p); 00354 00355 int count=0; 00356 double mass; 00357 bool massOk=false; 00358 int i; 00359 while (!massOk) { 00360 count++; 00361 if ( count > 10000 ) { 00362 report(INFO,"EvtGen") << "Can not find a valid mass for: " << EvtPDL::name(p->getId()).c_str() <<endl; 00363 report(INFO,"EvtGen") << "Now printing parent and/or grandparent tree\n"; 00364 if ( p->getParent() ) { 00365 if ( p->getParent()->getParent() ) { 00366 p->getParent()->getParent()->printTree(); 00367 report(INFO,"EvtGen") << p->getParent()->getParent()->mass() <<endl; 00368 report(INFO,"EvtGen") << p->getParent()->mass() <<endl; 00369 } 00370 else{ 00371 p->getParent()->printTree(); 00372 report(INFO,"EvtGen") << p->getParent()->mass() <<endl; 00373 } 00374 } 00375 else p->printTree(); 00376 report(INFO,"EvtGen") << "maxokmass=" << maxOkMass << " " << EvtPDL::getMinMass(p->getId()) << " " << EvtPDL::getMaxMass(p->getId())<<endl; 00377 if ( p->getNDaug() ) { 00378 for (i=0; i<p->getNDaug(); i++) { 00379 report(INFO,"EvtGen") << p->getDaug(i)->mass()<<" "; 00380 } 00381 report(INFO,"EvtGen") << endl; 00382 } 00383 if ( maxOkMass >= EvtPDL::getMinMass(p->getId()) ) { 00384 report(INFO,"EvtGen") << "taking a default value\n"; 00385 p->setMass(maxOkMass); 00386 return; 00387 } 00388 assert(0); 00389 } 00390 mass = EvtPDL::getMass(p->getId()); 00391 //Just need to check that this mass is > than 00392 //the mass of all daughters 00393 double massSum=0.; 00394 if ( p->getNDaug() ) { 00395 for (i=0; i<p->getNDaug(); i++) { 00396 massSum+= p->getDaug(i)->mass(); 00397 } 00398 } 00399 //some special cases are handled with 0 (stable) or 1 (k0->ks/kl) daughters 00400 if (p->getNDaug()<2) massOk=true; 00401 if ( p->getParent() ) { 00402 if ( p->getParent()->getNDaug()==1 ) massOk=true; 00403 } 00404 if ( !massOk ) { 00405 if (massSum < mass) massOk=true; 00406 if ( mass> maxOkMass) massOk=false; 00407 } 00408 } 00409 00410 p->setMass(mass); 00411 00412 }
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00416 { 00417 00418 int i; 00419 double mass_sum; 00420 00421 int count=0; 00422 00423 if (!( p->firstornot() )) { 00424 for (i = 0; i < ndaugs; i++ ) { 00425 masses[i] = p->getDaug(i)->mass(); 00426 } //for 00427 } //if 00428 else { 00429 p->setFirstOrNot(); 00430 // if only one daughter do it 00431 00432 if (ndaugs==1) { 00433 masses[0]=p->mass(); 00434 return; 00435 } 00436 00437 //until we get a combo whose masses are less than _parent mass. 00438 do { 00439 mass_sum = 0.0; 00440 00441 for (i = 0; i < ndaugs; i++ ) { 00442 masses[i] = EvtPDL::getMass(daugs[i]); 00443 mass_sum = mass_sum + masses[i]; 00444 } 00445 00446 count++; 00447 00448 00449 if(count==10000) { 00450 report(ERROR,"EvtGen") <<"Decaying particle:"<< 00451 EvtPDL::name(p->getId()).c_str()<<" (m="<<p->mass()<<")"<<endl; 00452 report(ERROR,"EvtGen") <<"To the following daugthers"<<endl; 00453 for (i = 0; i < ndaugs; i++ ) { 00454 report(ERROR,"EvtGen") << 00455 EvtPDL::name(daugs[i]).c_str() << endl; 00456 } 00457 report(ERROR,"EvtGen") << "Has been rejected "<<count 00458 << " times, will now take minimal masses " 00459 << " of daugthers"<<endl; 00460 00461 mass_sum=0.; 00462 for (i = 0; i < ndaugs; i++ ) { 00463 masses[i] = EvtPDL::getMinMass(daugs[i]); 00464 mass_sum = mass_sum + masses[i]; 00465 } 00466 if (mass_sum > p->mass()){ 00467 report(ERROR,"EvtGen") << "Parent mass="<<p->mass() 00468 << "to light for daugthers."<<endl 00469 << "Will throw the event away."<<endl; 00470 //dont terminate - start over on the event. 00471 EvtStatus::setRejectFlag(); 00472 mass_sum=0.; 00473 // ::abort(); 00474 } 00475 00476 } 00477 } while ( mass_sum > p->mass()); 00478 } //else 00479 00480 return; 00481 }
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00312 { 00313 00314 00315 double maxOkMass=EvtPDL::getMaxMass(p->getId()); 00316 00317 //protect against vphotons 00318 if ( maxOkMass < 0.0000000001 ) return 10000000.; 00319 //and against already determined masses 00320 if ( p->hasValidP4() ) maxOkMass=p->mass(); 00321 00322 EvtParticle *par=p->getParent(); 00323 if ( par ) { 00324 double maxParMass=findMaxMass(par); 00325 int i; 00326 double minDaugMass=0.; 00327 for(i=0;i<par->getNDaug();i++){ 00328 EvtParticle *dau=par->getDaug(i); 00329 if ( dau!=p) { 00330 // it might already have a mass 00331 if ( dau->isInitialized() || dau->hasValidP4() ) 00332 minDaugMass+=dau->mass(); 00333 else 00334 //give it a bit of phase space 00335 minDaugMass+=1.000001*EvtPDL::getMinMass(dau->getId()); 00336 } 00337 } 00338 if ( maxOkMass>(maxParMass-minDaugMass)) maxOkMass=maxParMass-minDaugMass; 00339 } 00340 return maxOkMass; 00341 }
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00390 { 00391 00392 //special case for now to handle the J/psi polarization 00393 00394 int ndaug=p->getNDaug(); 00395 00396 int i; 00397 00398 static EvtId Jpsi=EvtPDL::getId("J/psi"); 00399 00400 for(i=0;i<ndaug;i++){ 00401 if(p->getDaug(i)->getId()==Jpsi){ 00402 00403 EvtSpinDensity rho; 00404 00405 rho.SetDim(3); 00406 rho.Set(0,0,0.5); 00407 rho.Set(0,1,0.0); 00408 rho.Set(0,2,0.0); 00409 00410 rho.Set(1,0,0.0); 00411 rho.Set(1,1,1.0); 00412 rho.Set(1,2,0.0); 00413 00414 rho.Set(2,0,0.0); 00415 rho.Set(2,1,0.0); 00416 rho.Set(2,2,0.5); 00417 00418 EvtVector4R p4Psi=p->getDaug(i)->getP4(); 00419 00420 double alpha=atan2(p4Psi.get(2),p4Psi.get(1)); 00421 double beta=acos(p4Psi.get(3)/p4Psi.d3mag()); 00422 00423 00424 p->getDaug(i)->setSpinDensityForwardHelicityBasis(rho,alpha,beta,0.0); 00425 setDaughterSpinDensity(i); 00426 00427 } 00428 } 00429 00430 }
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00565 { 00566 00567 // Verify string 00568 00569 const char* str = _args[j].c_str(); 00570 int i = 0; 00571 while(str[i]!=0){ 00572 if (isalpha(str[i]) && str[i]!='e') { 00573 00574 report(INFO,"EvtGen") << "String " << str << " is not a number" << endl; 00575 assert(0); 00576 } 00577 i++; 00578 } 00579 00580 char** tc=0; 00581 return strtod(_args[j].c_str(),tc); 00582 }
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00548 { 00549 00550 if ( _argsD ) return _argsD; 00551 //The user has asked for a list of doubles - the arguments 00552 //better all be doubles... 00553 if ( _narg==0 ) return _argsD; 00554 00555 _argsD = new double[_narg]; 00556 00557 int i; 00558 char * tc; 00559 for(i=0;i<_narg;i++) { 00560 _argsD[i] = strtod(_args[i].c_str(),&tc); 00561 } 00562 return _argsD; 00563 }
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00073 {return _args;}
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00075 {return _args[j];}
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00061 {return _brfr;}
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00066 {return _daug[i];}
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00065 {return _daug;}
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00077 {return _dsum; }
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00076 {return _modelname; }
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Implements EvtDecayBase. 00107 {
00108
00109 model_name="JETSET";
00110
00111 }
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00067 {return _narg;}
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00064 {return _ndaug;}
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00060 {return _parent;}
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00068 {return _photos;}
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00067 { 00068 00069 int i; 00070 00071 //diagnostics 00072 sum_prob+=prob; 00073 if (prob>max_prob) max_prob=prob; 00074 00075 00076 if ( defaultprobmax && ntimes_prob<=500 ) { 00077 //We are building up probmax with this iteration 00078 ntimes_prob += 1; 00079 if ( prob > probmax ) { probmax = prob;} 00080 if (ntimes_prob==500) { 00081 probmax*=1.2; 00082 } 00083 return 1000000.0*prob; 00084 } 00085 00086 if ( prob> probmax*1.0001) { 00087 00088 report(INFO,"EvtGen") << "prob > probmax:("<<prob<<">"<<probmax<<")"; 00089 report(INFO,"") << "("<<_modelname.c_str()<<") "; 00090 report(INFO,"") << EvtPDL::name(_parent).c_str()<<" -> "; 00091 for(i=0;i<_ndaug;i++){ 00092 report(INFO,"") << EvtPDL::name(_daug[i]).c_str() << " "; 00093 } 00094 report(INFO,"") << endl; 00095 00096 if (defaultprobmax) probmax = prob; 00097 00098 } 00099 00100 ntimes_prob += 1; 00101 00102 00103 return probmax; 00104 00105 } //getProbMax
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Reimplemented from EvtDecayBase. 00127 { 00128 00129 checkNArg(1); 00130 00131 00132 if (getParentId().isAlias()){ 00133 00134 report(ERROR,"EvtGen") << "EvtJetSet finds that you are decaying the"<<endl 00135 << " aliased particle " 00136 << EvtPDL::name(getParentId()).c_str() 00137 << " with the JetSet model"<<endl 00138 << " this does not work, please modify decay table." 00139 << endl; 00140 report(ERROR,"EvtGen") << "Will terminate execution!"<<endl; 00141 ::abort(); 00142 00143 } 00144 00145 store(this); 00146 00147 }
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Reimplemented from EvtDecayBase. 00120 { 00121 00122 noProbMax(); 00123 00124 }
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00041 {return spinDensitySet[daughter];}
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00785 { 00786 00787 static int first=1; 00788 00789 if (first){ 00790 00791 first=0; 00792 00793 report(INFO,"EvtGen") << "Will initialize JetSet."<<endl; 00794 00795 char fname[200]; 00796 00797 char hostBuffer[100]; 00798 00799 if ( gethostname( hostBuffer, 100 ) != 0 ){ 00800 report(ERROR,"EvtGen") << " couldn't get hostname." << endl; 00801 strncpy( hostBuffer, "hostnameNotFound", 100 ); 00802 } 00803 00804 char pid[100]; 00805 00806 int thePid=getpid(); 00807 00808 if ( sprintf( pid, "%d", thePid ) == 0 ){ 00809 report(ERROR,"EvtGen") << " couldn't get process ID." << endl; 00810 strncpy( pid, "666", 100 ); 00811 } 00812 00813 strcpy(fname,"jet.d-"); 00814 strcat(fname,hostBuffer); 00815 strcat(fname,"-"); 00816 strcat(fname,pid); 00817 00818 MakeJetSetFile(fname); 00819 evtjetsetinit_(fname,strlen(fname)); 00820 00821 if (0==getenv("EVTSAVEJETD")){ 00822 char delcmd[300]; 00823 strcpy(delcmd,"rm -f "); 00824 strcat(delcmd,fname); 00825 system(delcmd); 00826 } 00827 00828 int i; 00829 00830 for(i=0;i<ncommand;i++){ 00831 lugive_(commands[i].c_str(),strlen(commands[i].c_str())); 00832 00833 } 00834 00835 report(INFO,"EvtGen") << "Done initializing JetSet."<<endl; 00836 00837 00838 } 00839 00840 }
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Implements EvtDecayBase. 00030 { 00031 00032 int i; 00033 //initialize this the hard way.. 00034 //Lange June 26, 2000 00035 for (i=0; i<MAX_DAUG; i++ ) { spinDensitySet[i]=0;} 00036 _daugsDecayedByParentModel=false; 00037 00038 decay(p); 00039 p->setDecayProb(1.); 00040 00041 EvtSpinDensity rho; 00042 00043 rho.SetDiag(p->getSpinStates()); 00044 00045 p->setSpinDensityBackward(rho); 00046 00047 if (getPHOTOS() || EvtRadCorr::alwaysRadCorr()) { 00048 EvtRadCorr::doRadCorr(p); 00049 } 00050 00051 //Now decay the daughters. 00052 00053 if ( !daugsDecayedByParentModel()) { 00054 00055 for(i=0;i<p->getNDaug();i++){ 00056 //Need to set the spin density of the daughters to be 00057 //diagonal. 00058 rho.SetDiag(p->getDaug(i)->getSpinStates()); 00059 //if (p->getDaug(i)->getNDaug()==0){ 00060 //only do this if the user has not already set the 00061 //spin density matrix herself. 00062 //Lange June 26, 2000 00063 if ( isDaughterSpinDensitySet(i)==0 ) { 00064 p->getDaug(i)->setSpinDensityForward(rho); 00065 } 00066 else{ 00067 //report(INFO,"EvtGen") << "spinDensitymatrix already set!!!\n"; 00068 EvtSpinDensity temp=p->getDaug(i)->getSpinDensityForward(); 00069 // report(INFO,"EvtGen") <<temp<<endl; 00070 } 00071 //Now decay the daughter. Really! 00072 p->getDaug(i)->decay(); 00073 //} 00074 } 00075 } 00076 00077 }
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00712 { 00713 00714 EvtId ipar; 00715 int lundkc; 00716 00717 //int part_list[MAX_PART]; 00718 00719 ofstream outdec; 00720 00721 outdec.open(fname); 00722 00723 //outdec << ";"<<endl; 00724 //outdec << ";This decayfile has been automatically created by"<<endl; 00725 //outdec << ";EvtGen from the DECAY.DEC file"<<endl; 00726 //outdec << ";"<<endl; 00727 00728 int nokcentry; 00729 00730 for(lundkc=1;lundkc<=500;lundkc++){ 00731 00732 nokcentry=1; 00733 00734 int iipar; 00735 00736 for(iipar=0;iipar<EvtPDL::entries();iipar++){ 00737 00738 ipar=EvtId(iipar,iipar); 00739 //no aliased particles! 00740 std::string tempStr = EvtPDL::name(ipar); 00741 EvtId realId = EvtPDL::getId(tempStr); 00742 if ( realId.isAlias() != 0 ) continue; 00743 if (lundkc==EvtPDL::getLundKC(ipar)){ 00744 00745 nokcentry=0; 00746 00747 int first=1; 00748 00749 WriteJetSetParticle(outdec,ipar,ipar,first); 00750 00751 00752 EvtId ipar2=EvtPDL::chargeConj(ipar); 00753 00754 00755 if (ipar2!=ipar){ 00756 WriteJetSetParticle(outdec,ipar2,ipar,first); 00757 } 00758 00759 if (first){ 00760 WriteJetSetEntryHeader(outdec, 00761 EvtPDL::getLundKC(ipar), 00762 ipar, 00763 EvtPDL::name(ipar), 00764 EvtPDL::chg3(ipar), 00765 0,0,EvtPDL::getMeanMass(ipar), 00766 EvtPDL::getWidth(ipar), 00767 EvtPDL::getMeanMass(ipar)-EvtPDL::getMinMass(ipar), 00768 EvtPDL::getctau(ipar),0,0.0); 00769 00770 } 00771 } 00772 } 00773 if (nokcentry){ 00774 00775 WriteJetSetEntryHeader(outdec, 00776 lundkc,EvtId(-1,-1)," ", 00777 0,0,0,EvtPDL::getMeanMass(ipar),0.0,0.0, 00778 EvtPDL::getctau(ipar),0,0.0); 00779 00780 } 00781 } 00782 outdec.close(); 00783 }
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00588 { 00589 00590 if ( _ndaug != other._ndaug) return false; 00591 if ( _parent != other._parent) return false; 00592 00593 std::vector<int> useDs; 00594 for ( unsigned int i=0; i<_ndaug; i++) useDs.push_back(0); 00595 00596 for ( unsigned int i=0; i<_ndaug; i++) { 00597 bool foundIt=false; 00598 for ( unsigned int j=0; j<_ndaug; j++) { 00599 if ( useDs[j] == 1 ) continue; 00600 if ( _daug[i] == other._daug[j] && _daug[i].getAlias() == other._daug[j].getAlias()) { 00601 foundIt=true; 00602 useDs[j]=1; 00603 break; 00604 } 00605 } 00606 if ( foundIt==false) return false; 00607 } 00608 for ( unsigned int i=0; i<_ndaug; i++) if ( useDs[i]==0) return false; 00609 00610 return true; 00611 00612 }
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00305 { 00306 00307 defaultprobmax=0; 00308 00309 }
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Reimplemented in EvtBtoKD3P, and EvtVSSBMixCPT. 00105 { return _ndaug;}
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00259 { 00260 00261 int i; 00262 00263 if (ntimes_prob>0) { 00264 00265 report(INFO,"EvtGen") << "Calls="<<ntimes_prob<<" eff:"<< 00266 sum_prob/(probmax*ntimes_prob)<<" frac. max:"<<max_prob/probmax; 00267 report(INFO,"") <<" probmax:"<<probmax<<" max:"<<max_prob<<" : "; 00268 } 00269 00270 report(INFO,"") << EvtPDL::name(_parent).c_str()<<" -> "; 00271 for(i=0;i<_ndaug;i++){ 00272 report(INFO,"") << EvtPDL::name(_daug[i]).c_str() << " "; 00273 } 00274 report(INFO,"") << " ("<<_modelname.c_str()<<"):"<< endl; 00275 00276 00277 00278 }
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00108 { 00109 00110 report(INFO,"EvtGen") << "Reseting prob max\n"; 00111 report(INFO,"EvtGen") << "prob > probmax:("<<prob<<">"<<probmax<<")"; 00112 report(INFO,"") << "("<<_modelname.c_str()<<")"; 00113 report(INFO,"") << EvtPDL::getStdHep(_parent)<<"->"; 00114 00115 for( int i=0;i<_ndaug;i++){ 00116 report(INFO,"") << EvtPDL::getStdHep(_daug[i]) << " "; 00117 } 00118 report(INFO,"") << endl; 00119 00120 probmax = 0.0; 00121 defaultprobmax = 0; 00122 ntimes_prob = 0; 00123 00124 return prob; 00125 00126 }
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00170 { 00171 00172 int i; 00173 00174 _brfr=brfr; 00175 _ndaug=ndaug; 00176 _narg=narg; 00177 _parent=ipar; 00178 00179 _dsum=0; 00180 00181 if (_ndaug>0) { 00182 _daug=new EvtId [_ndaug]; 00183 for(i=0;i<_ndaug;i++){ 00184 _daug[i]=daug[i]; 00185 _dsum+=daug[i].getAlias(); 00186 } 00187 } 00188 else{ 00189 _daug=0; 00190 } 00191 00192 if (_narg>0) { 00193 _args=new std::string[_narg+1]; 00194 for(i=0;i<_narg;i++){ 00195 _args[i]=args[i]; 00196 } 00197 } 00198 else{ 00199 _args = 0; 00200 } 00201 00202 _modelname=name; 00203 00204 this->init(); 00205 this->initProbMax(); 00206 00207 if (_chkCharge){ 00208 this->checkQ(); 00209 } 00210 00211 00212 if (defaultprobmax){ 00213 report(INFO,"EvtGen") << "No default probmax for "; 00214 report(INFO,"") << "("<<_modelname.c_str()<<") "; 00215 report(INFO,"") << EvtPDL::name(_parent).c_str()<<" -> "; 00216 for(i=0;i<_ndaug;i++){ 00217 report(INFO,"") << EvtPDL::name(_daug[i]).c_str() << " "; 00218 } 00219 report(INFO,"") << endl; 00220 report(INFO,"") << "This is fine for development, but must be provided for production."<<endl; 00221 report(INFO,"EvtGen") << "Never fear though - the decay will use the \n"; 00222 report(INFO,"EvtGen") << "500 iterations to build up a good probmax \n"; 00223 report(INFO,"EvtGen") << "before accepting a decay. "<<endl; 00224 } 00225 00226 }
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00038 { spinDensitySet[daughter]=1; return;}
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00069 {_photos=1;}
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00298 { 00299 00300 defaultprobmax=0; 00301 probmax=prbmx; 00302 00303 }
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00071 {_summary=1;}
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00070 {_verbose=1;}
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00432 { 00433 00434 if (njetsetdecays==ntable){ 00435 00436 EvtDecayBasePtr* newjetsetdecays=new EvtDecayBasePtr[2*ntable+10]; 00437 int i; 00438 for(i=0;i<ntable;i++){ 00439 newjetsetdecays[i]=jetsetdecays[i]; 00440 } 00441 ntable=2*ntable+10; 00442 delete [] jetsetdecays; 00443 jetsetdecays=newjetsetdecays; 00444 } 00445 00446 jetsetdecays[njetsetdecays++]=jsdecay; 00447 00448 00449 00450 }
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00078 {return _summary; }
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00079 {return _verbose; }
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00457 { 00458 00459 00460 char sname[100]; 00461 00462 int namelength=8; 00463 00464 int i,j; 00465 int temp; 00466 temp = spin2; 00467 00468 if (ctau>1000000.0) ctau=0.0; 00469 00470 strcpy(sname,name.c_str()); 00471 00472 i=0; 00473 00474 while (sname[i]!=0){ 00475 i++; 00476 } 00477 00478 // strip up to two + or - 00479 00480 if(evtnum.getId()>=0) { 00481 if (sname[i-1]=='+'||sname[i-1]=='-'){ 00482 sname[i-1]=0; 00483 i--; 00484 } 00485 if (sname[i-1]=='+'||sname[i-1]=='-'){ 00486 sname[i-1]=0; 00487 i--; 00488 } 00489 // strip 0 except for _0 and chi...0 00490 if (sname[i-1]=='0' && sname[i-2]!='_' && !(sname[0]=='c' && sname[1]=='h')){ 00491 sname[i-1]=0; 00492 i--; 00493 } 00494 } 00495 00496 if (i>namelength) { 00497 for(j=1;j<namelength;j++){ 00498 sname[j]=sname[j+i-namelength]; 00499 } 00500 sname[namelength]=0; 00501 } 00502 00503 cchg=0; 00504 00505 if(evtnum.getId()>=0) { 00506 if (abs(EvtPDL::getStdHep(evtnum))==21) cchg=2; 00507 if (abs(EvtPDL::getStdHep(evtnum))==90) cchg=-1; 00508 if ((abs(EvtPDL::getStdHep(evtnum))<=8)&& 00509 (abs(EvtPDL::getStdHep(evtnum))!=0)) cchg=1; 00510 00511 } 00512 00513 outdec << setw(5) << lundkc << " "; 00514 outdec.width(namelength); 00515 outdec << setiosflags(ios::left) << sname << resetiosflags(ios::left); 00516 outdec << setw(3) << chg; 00517 outdec << setw(3) << cchg; 00518 outdec.width(3); 00519 if (evtnum.getId()>=0) { 00520 if (EvtPDL::chargeConj(evtnum)==evtnum) { 00521 outdec << 0; 00522 } 00523 else{ 00524 outdec << 1; 00525 } 00526 } 00527 else{ 00528 outdec << 0; 00529 } 00530 outdec.setf(ios::fixed); 00531 outdec.precision(5); 00532 outdec << setw(12) << mass; 00533 outdec << setw(12) << width; 00534 outdec.width(12); 00535 if (fabs(width)<0.0000000001) { 00536 outdec << 0.0 ; 00537 } 00538 else{ 00539 outdec << maxwidth; 00540 } 00541 outdec << setw(14) << ctau; 00542 outdec.width(3); 00543 if (evtnum.getId()>=0) { 00544 if (ctau>1.0 || rawbrfrsum<0.000001) { 00545 stable=0; 00546 } 00547 } 00548 outdec << stable; 00549 outdec << endl; 00550 outdec.width(0); 00551 00552 }
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00555 { 00556 00557 int ijetset; 00558 00559 double br_sum=0.0; 00560 00561 for(ijetset=0;ijetset<njetsetdecays;ijetset++){ 00562 00563 if (jetsetdecays[ijetset]->getParentId()==ipar){ 00564 br_sum+=jetsetdecays[ijetset]->getBranchingFraction(); 00565 } 00566 if (jetsetdecays[ijetset]->getParentId()!= 00567 EvtPDL::chargeConj(jetsetdecays[ijetset]->getParentId())&& 00568 EvtPDL::chargeConj(jetsetdecays[ijetset]->getParentId())==ipar){ 00569 br_sum+=jetsetdecays[ijetset]->getBranchingFraction(); 00570 } 00571 00572 00573 } 00574 00575 double br_sum_true=br_sum; 00576 00577 if (br_sum<0.000001) br_sum=1.0; 00578 00579 for(ijetset=0;ijetset<njetsetdecays;ijetset++){ 00580 if (jetsetdecays[ijetset]->getParentId()==ipar){ 00581 00582 double br=jetsetdecays[ijetset]->getBranchingFraction(); 00583 00584 int i,daugs[5]; 00585 EvtId cdaugs[5]; 00586 00587 for(i=0;i<5;i++){ 00588 00589 if(i<jetsetdecays[ijetset]->getNDaug()){ 00590 daugs[i]=EvtPDL::getStdHep( 00591 jetsetdecays[ijetset]->getDaugs()[i]); 00592 cdaugs[i]=EvtPDL::chargeConj(jetsetdecays[ijetset]->getDaugs()[i]); 00593 } 00594 else{ 00595 daugs[i]=0; 00596 } 00597 } 00598 00599 int channel; 00600 00601 channel=EvtDecayTable::findChannel(EvtPDL::chargeConj(ipar), 00602 jetsetdecays[ijetset]->getModelName(), 00603 jetsetdecays[ijetset]->getNDaug(), 00604 cdaugs, 00605 jetsetdecays[ijetset]->getNArg(), 00606 jetsetdecays[ijetset]->getArgsStr()); 00607 00608 if (jetsetdecays[ijetset]->getModelName()=="JETSET"){ 00609 00610 if (first) { 00611 first=0; 00612 WriteJetSetEntryHeader(outdec, 00613 EvtPDL::getLundKC(iparname), 00614 iparname, 00615 EvtPDL::name(iparname), 00616 EvtPDL::chg3(iparname), 00617 0,0,EvtPDL::getMeanMass(ipar), 00618 EvtPDL::getWidth(ipar), 00619 EvtPDL::getMeanMass(ipar)-EvtPDL::getMinMass(ipar), 00620 EvtPDL::getctau(ipar),1,br_sum_true); 00621 } 00622 00623 int dflag=2; 00624 00625 if (EvtPDL::getStdHep(ipar)<0) { 00626 dflag=3; 00627 for(i=0;i<jetsetdecays[ijetset]->getNDaug();i++){ 00628 daugs[i]=EvtPDL::getStdHep(cdaugs[i]); 00629 } 00630 00631 } 00632 00633 //now lets check to make sure that jetset, lucomp, knows 00634 //about all particles! 00635 int unknown=0; 00636 for(i=0;i<jetsetdecays[ijetset]->getNDaug();i++){ 00637 if (lucomp_(&daugs[i])==0) { 00638 unknown=1; 00639 report(ERROR,"EvtGen") << "JetSet (lucomp) does not " 00640 << "know the particle:"<< 00641 EvtPDL::name(jetsetdecays[ijetset]->getDaugs()[i]).c_str()<<endl; 00642 } 00643 } 00644 00645 int istdheppar=EvtPDL::getStdHep(ipar); 00646 00647 if (lucomp_(&istdheppar)==0){ 00648 unknown=1; 00649 report(ERROR,"EvtGen") << "JetSet (lucomp) does not " 00650 << "know the particle:"<< 00651 EvtPDL::name(ipar).c_str()<<endl; 00652 } 00653 00654 00655 00656 if (unknown){ 00657 report(ERROR,"EvtGen") << "Therfore the decay:"<<endl; 00658 report(ERROR,"EvtGen") << EvtPDL::name(jetsetdecays[ijetset]->getParentId()).c_str()<<" -> "; 00659 for(i=0;i<jetsetdecays[ijetset]->getNDaug();i++){ 00660 report(ERROR,"") << EvtPDL::name(jetsetdecays[ijetset]->getDaugs()[i]).c_str()<<" "; 00661 } 00662 report(ERROR,"")<<endl; 00663 report(ERROR,"EvtGen")<<"Will not be generated."<<endl; 00664 return; 00665 } 00666 00667 00668 if (EvtPDL::chargeConj(ipar)==ipar) { 00669 dflag=1; 00670 //report(INFO,"EvtGen") << EvtPDL::name(iparname) << " dflag=1 because C(ipar)=ipar!"<<endl; 00671 } 00672 00673 00674 //if (channel>=0) { 00675 // dflag=1; 00676 //report(INFO,"EvtGen") << EvtPDL::name(iparname) << " dflag=1 because channel>=0"<<endl; 00677 //} 00678 00679 // if (!(EvtPDL::getStdHep(ipar)<0&&channel>=0)){ 00680 if (1){ 00681 00682 outdec.width(10); 00683 outdec <<dflag; 00684 outdec.width(5); 00685 outdec <<(int)jetsetdecays[ijetset]->getArgs()[0]; 00686 outdec.width(12); 00687 if (fabs(br)<0.000000001) { 00688 outdec <<"0.00000"; 00689 } 00690 else{ 00691 outdec <<br/br_sum; 00692 } 00693 outdec.width(8); 00694 outdec <<daugs[0]; 00695 outdec.width(8); 00696 outdec <<daugs[1]; 00697 outdec.width(8); 00698 outdec <<daugs[2]; 00699 outdec.width(8); 00700 outdec <<daugs[3]; 00701 outdec.width(8); 00702 outdec <<daugs[4]; 00703 outdec<<endl; 00704 outdec.width(0); 00705 } 00706 } 00707 } 00708 } 00709 }
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