#include <EvtVPHOtoVISRHi.hh>
Inheritance diagram for EvtVPHOtoVISRHi:
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 () |
virtual void | command (std::string cmd) |
virtual std::string | commandName () |
void | decay (EvtParticle *p) |
void | disableCheckQ () |
EvtVPHOtoVISRHi () | |
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 () |
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 | setPHOTOS () |
void | setProbMax (double prbmx) |
void | setSummary () |
void | setVerbose () |
void | setWeight (double weight) |
int | summary () |
int | verbose () |
void | vertex (int *i1, const EvtComplex &) |
void | vertex (int i1, int i2, int i3, const EvtComplex &) |
void | vertex (int i1, int i2, const EvtComplex &) |
void | vertex (int i1, const EvtComplex &) |
void | vertex (const EvtComplex &) |
virtual | ~EvtVPHOtoVISRHi () |
Static Public Member Functions | |
void | findMass (EvtParticle *p) |
void | findMasses (EvtParticle *p, int ndaugs, EvtId daugs[10], double masses[10]) |
double | findMaxMass (EvtParticle *p) |
Protected Member Functions | |
bool | daugsDecayedByParentModel () |
Protected Attributes | |
EvtAmp | _amp2 |
bool | _daugsDecayedByParentModel |
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00033 {}
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00034 {}
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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. 00043 { 00044 00045 return new EvtVPHOtoVISRHi; 00046 00047 }
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Reimplemented in EvtJetSet, EvtLunda, EvtLundCharm, EvtPythia, and EvtTauola. 00132 { 00133 report(ERROR,"EvtGen") << "Should never call EvtDecayBase::command"<<endl; 00134 ::abort(); 00135 }
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Reimplemented in EvtJetSet, EvtLunda, EvtLundCharm, EvtPythia, and EvtTauola. 00129 { 00130 return std::string(""); 00131 }
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00111 {return _daugsDecayedByParentModel;}
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Implements EvtDecayBase. 00069 { 00070 //take photon along z-axis, either forward or backward. 00071 //Implement this as generating the photon momentum along 00072 //the z-axis uniformly 00073 double power=1; 00074 if (getNArg()==1) power=getArg(0); 00075 // define particle names 00076 static EvtId D0=EvtPDL::getId("D0"); 00077 static EvtId D0B=EvtPDL::getId("anti-D0"); 00078 static EvtId DP=EvtPDL::getId("D+"); 00079 static EvtId DM=EvtPDL::getId("D-"); 00080 static EvtId DSM=EvtPDL::getId("D_s-"); 00081 static EvtId DSP=EvtPDL::getId("D_s+"); 00082 static EvtId DSMS=EvtPDL::getId("D_s*-"); 00083 static EvtId DSPS=EvtPDL::getId("D_s*+"); 00084 static EvtId D0S=EvtPDL::getId("D*0"); 00085 static EvtId D0BS=EvtPDL::getId("anti-D*0"); 00086 static EvtId DPS=EvtPDL::getId("D*+"); 00087 static EvtId DMS=EvtPDL::getId("D*-"); 00088 // setup some parameters 00089 double w=p->mass(); 00090 double s=w*w; 00091 double L=2.0*log(w/0.000511); 00092 double alpha=1/137.0; 00093 double beta=(L-1)*2.0*alpha/EvtConst::pi; 00094 // make sure only 2 or 3 body are present 00095 assert (p->getDaug(0)->getNDaug() == 2 || p->getDaug(0)->getNDaug() == 3); 00096 00097 // determine minimum rest mass of parent 00098 double md1 = EvtPDL::getMeanMass(p->getDaug(0)->getDaug(0)->getId()); 00099 double md2 = EvtPDL::getMeanMass(p->getDaug(0)->getDaug(1)->getId()); 00100 double minResMass = md1+md2; 00101 if (p->getDaug(0)->getNDaug() == 3) { 00102 double md3 = EvtPDL::getMeanMass(p->getDaug(0)->getDaug(2)->getId()); 00103 minResMass = minResMass + md3; 00104 } 00105 00106 // calculate the maximum energy of the ISR photon 00107 double pgmax=(s-minResMass*minResMass)/(2.0*w); 00108 double pgz=0.99*pgmax*exp(log(EvtRandom::Flat(1.0))/(beta*power)); 00109 if (EvtRandom::Flat(1.0)<0.5) pgz=-pgz; 00110 00111 double k=fabs(pgz); 00112 // print of ISR energy 00113 // std::cout << "Energy ISR :"<< k <<std::endl; 00114 EvtVector4R p4g(k,0.0,0.0,pgz); 00115 00116 EvtVector4R p4res=p->getP4Restframe()-p4g; 00117 00118 double mres=p4res.mass(); 00119 00120 // set masses 00121 p->getDaug(0)->init(getDaug(0),p4res); 00122 p->getDaug(1)->init(getDaug(1),p4g); 00123 00124 00125 // determine XS - langbw 00126 // very crude way of determining XS just a simple straight line Approx. 00127 // this was determined by eye. 00128 // lots of cout statements to make plots to check that things are working as expected 00129 double sigma=9.0; 00130 if (mres<=3.9) sigma = 0.00001; 00131 00132 bool sigmacomputed(false); 00133 00134 // DETERMINE XS FOR D*D* 00135 if (p->getDaug(0)->getNDaug() == 2 00136 &&((p->getDaug(0)->getDaug(0)->getId()==D0S 00137 && p->getDaug(0)->getDaug(1)->getId()==D0BS) 00138 ||(p->getDaug(0)->getDaug(0)->getId()==DPS 00139 && p->getDaug(0)->getDaug(1)->getId()==DMS))){ 00140 if(mres>4.18) { 00141 sigma*=5./9.*(1.-1.*sqrt((4.18-mres)*(4.18-mres))/(4.3-4.18)); 00142 } 00143 else if(mres>4.07 && mres<=4.18) { 00144 sigma*=5./9.; 00145 } 00146 else if (mres<=4.07&&mres>4.03) 00147 { 00148 sigma*=(5./9. - 1.5/9.*sqrt((4.07-mres)*(4.07-mres))/(4.07-4.03)); 00149 } 00150 else if (mres<=4.03&& mres>=4.013) 00151 { 00152 sigma*=(3.5/9. - 3.5/9.*sqrt((4.03-mres)*(4.03-mres))/(4.03-4.013)); 00153 } 00154 else{ 00155 sigma=0.00001; 00156 } 00157 sigmacomputed = true; 00158 // std::cout << "DSDSXS "<<sigma<< " " << mres<<std::endl; 00159 } 00160 00161 // DETERMINE XS FOR D*D 00162 if(p->getDaug(0)->getNDaug() == 2 && ((p->getDaug(0)->getDaug(0)->getId()==D0S 00163 && p->getDaug(0)->getDaug(1)->getId()==D0B) 00164 ||(p->getDaug(0)->getDaug(0)->getId()==DPS 00165 && p->getDaug(0)->getDaug(1)->getId()==DM) 00166 ||(p->getDaug(0)->getDaug(0)->getId()==D0BS 00167 && p->getDaug(0)->getDaug(1)->getId()==D0) 00168 ||(p->getDaug(0)->getDaug(0)->getId()==DMS 00169 && p->getDaug(0)->getDaug(1)->getId()==DP)) ) 00170 { 00171 if(mres>=4.2){ 00172 sigma*=1.5/9.; 00173 } 00174 else if( mres>4.06 && mres<4.2){ 00175 sigma*=((1.5/9.+2.5/9.*sqrt((4.2-mres)*(4.2-mres))/(4.2-4.06))); 00176 } 00177 else if(mres>=4.015 && mres<4.06){ 00178 sigma*=((4./9.+3./9.*sqrt((4.06-mres)*(4.06-mres))/(4.06-4.015))); 00179 } 00180 else if (mres<4.015 && mres>=3.9){ 00181 sigma*=((7./9.-7/9.*sqrt((4.015-mres)*(4.015-mres))/(4.015-3.9))); 00182 } 00183 else { 00184 sigma = 0.00001; 00185 } 00186 sigmacomputed = true; 00187 // std::cout << "DSDXS "<<sigma<< " " << mres<<std::endl; 00188 } 00189 00190 // DETERMINE XS FOR Ds*Ds* 00191 if (((p->getDaug(0)->getDaug(0)->getId()==DSPS && p->getDaug(0)->getDaug(1)->getId()==DSMS))) 00192 { 00193 if(mres>(2.112+2.112)){ 00194 sigma=0.4; 00195 } 00196 else { 00197 // sigma=0.4; 00198 // sigma = 0 surely below Ds*Ds* threshold? - ponyisi 00199 sigma=0.00001; 00200 } 00201 sigmacomputed = true; 00202 // std::cout << "DsSDsSXS "<<sigma<< " " << mres<<std::endl; 00203 } 00204 00205 // DETERMINE XS FOR Ds*Ds 00206 if (p->getDaug(0)->getNDaug() == 2 && ((p->getDaug(0)->getDaug(0)->getId()==DSPS 00207 && p->getDaug(0)->getDaug(1)->getId()==DSM) 00208 || (p->getDaug(0)->getDaug(0)->getId()==DSMS 00209 && p->getDaug(0)->getDaug(1)->getId()==DSP))) 00210 { 00211 if(mres>4.26){ 00212 sigma=0.05; 00213 } 00214 else if (mres>4.18 && mres<=4.26){ 00215 sigma*=1./9.*(0.05+0.95*sqrt((4.26-mres)*(4.26-mres))/(4.26-4.18)); 00216 } 00217 else if (mres>4.16 && mres<=4.18){ 00218 sigma*=1/9.; 00219 } 00220 else if (mres<=4.16 && mres>4.08){ 00221 sigma*=1/9.*(1-sqrt((4.16-mres)*(4.16-mres))/(4.16-4.08)); 00222 } 00223 else if (mres<=(4.08)){ 00224 sigma=0.00001; 00225 } 00226 sigmacomputed = true; 00227 // std::cout << "DsSDsXS "<<sigma<< " " << mres<<std::endl; 00228 } 00229 00230 // DETERMINE XS FOR DD 00231 if (p->getDaug(0)->getNDaug() == 2 && ((p->getDaug(0)->getDaug(0)->getId()==D0 00232 && p->getDaug(0)->getDaug(1)->getId()==D0B) 00233 ||(p->getDaug(0)->getDaug(0)->getId()==DP 00234 && p->getDaug(0)->getDaug(1)->getId()==DM))){ 00235 sigma*=0.4/9.; 00236 sigmacomputed = true; 00237 // std::cout << "DDXS "<<sigma<< " " << mres<<std::endl; 00238 } 00239 00240 // DETERMINE XS FOR DsDs 00241 if (p->getDaug(0)->getNDaug() == 2 && ((p->getDaug(0)->getDaug(0)->getId()==DSP && p->getDaug(0)->getDaug(1)->getId()==DSM))){ 00242 sigma*=0.2/9.; 00243 sigmacomputed = true; 00244 // std::cout << "DsDsXS "<<sigma<< " " << mres<<std::endl; 00245 } 00246 00247 // DETERMINE XS FOR MULTIBODY 00248 if (p->getDaug(0)->getNDaug() == 3){ 00249 if(mres>4.03){ 00250 sigma*=0.5/9.; 00251 } 00252 else { 00253 sigma=0.00001; 00254 } 00255 sigmacomputed = true; 00256 // std::cout << "DSDpiXS "<<sigma<< " " << mres<<std::endl; 00257 } 00258 00259 if (! sigmacomputed) { 00260 report(ERROR,"EvtGen") << "VPHOTOVISRHI: This model requires daughters to be listed in a particular order." << endl 00261 << "The following are acceptable:" << endl 00262 << "D0 anti-D0" << endl 00263 << "D+ D-" << endl 00264 << "D*0 anti-D0" << endl 00265 << "anti-D*0 D0" << endl 00266 << "D*+ D-" << endl 00267 << "D*- D+" << endl 00268 << "D*0 anti-D*0" << endl 00269 << "D*+ D*-" << endl 00270 << "D_s+ D_s-" << endl 00271 << "D_s*+ D_s-" << endl 00272 << "D_s*- D_s+" << endl 00273 << "D_s*+ D_s*-" << endl 00274 << "(D* D pi can be in any order)" << endl 00275 << "Aborting..." << endl; 00276 assert(0); 00277 } 00278 00279 if(sigma<0) sigma = 0.0; 00280 00281 // static double sigmax=sigma; 00282 // if (sigma>sigmax){ 00283 // sigmax=sigma; 00284 // } 00285 00286 static int count=0; 00287 00288 count++; 00289 00290 // if (count%10000==0){ 00291 // std::cout << "sigma :"<<sigma<<std::endl; 00292 // std::cout << "sigmax:"<<sigmax<<std::endl; 00293 // } 00294 00295 double norm=sqrt(sigma); 00296 00297 // EvtParticle* d=p->getDaug(0); 00298 00299 00300 vertex(0,0,0,norm*p->eps(0)*p->epsParent(0).conj()); 00301 vertex(1,0,0,norm*p->eps(1)*p->epsParent(0).conj()); 00302 vertex(2,0,0,norm*p->eps(2)*p->epsParent(0).conj()); 00303 00304 vertex(0,1,0,norm*p->eps(0)*p->epsParent(1).conj()); 00305 vertex(1,1,0,norm*p->eps(1)*p->epsParent(1).conj()); 00306 vertex(2,1,0,norm*p->eps(2)*p->epsParent(1).conj()); 00307 00308 vertex(0,2,0,norm*p->eps(0)*p->epsParent(2).conj()); 00309 vertex(1,2,0,norm*p->eps(1)*p->epsParent(2).conj()); 00310 vertex(2,2,0,norm*p->eps(2)*p->epsParent(2).conj()); 00311 00312 vertex(0,0,1,norm*p->eps(0)*p->epsParent(0).conj()); 00313 vertex(1,0,1,norm*p->eps(1)*p->epsParent(0).conj()); 00314 vertex(2,0,1,norm*p->eps(2)*p->epsParent(0).conj()); 00315 00316 vertex(0,1,1,norm*p->eps(0)*p->epsParent(1).conj()); 00317 vertex(1,1,1,norm*p->eps(1)*p->epsParent(1).conj()); 00318 vertex(2,1,1,norm*p->eps(2)*p->epsParent(1).conj()); 00319 00320 vertex(0,2,1,norm*p->eps(0)*p->epsParent(2).conj()); 00321 vertex(1,2,1,norm*p->eps(1)*p->epsParent(2).conj()); 00322 vertex(2,2,1,norm*p->eps(2)*p->epsParent(2).conj()); 00323 00324 return; 00325 }
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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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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. 00036 {
00037
00038 model_name="VPHOTOVISRHI";
00039
00040 }
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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. 00049 { 00050 00051 // check that there are 0 or 1 arguments 00052 checkNArg(0,1); 00053 00054 // check that there are 2 daughters 00055 checkNDaug(2); 00056 00057 // check the parent and daughter spins 00058 checkSpinParent(EvtSpinType::VECTOR); 00059 checkSpinDaughter(0,EvtSpinType::VECTOR); 00060 checkSpinDaughter(1,EvtSpinType::PHOTON); 00061 }
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Reimplemented from EvtDecayBase. 00063 { 00064 00065 setProbMax(20.0); 00066 00067 }
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Implements EvtDecayBase. 00035 { 00036 00037 int ntimes=10000; 00038 00039 int i,more; 00040 00041 EvtSpinDensity rho; 00042 double prob,prob_max; 00043 00044 _amp2.init(p->getId(),getNDaug(),getDaugs()); 00045 // report(INFO,"EvtGen") << "Decaying " << EvtPDL::name(p->getId()) << endl; 00046 do{ 00047 00048 _daugsDecayedByParentModel=false; 00049 _weight = 1.0; 00050 decay(p); 00051 00052 rho=_amp2.getSpinDensity(); 00053 prob=p->getSpinDensityForward().NormalizedProb(rho); 00054 if (prob<0.0) { 00055 00056 report(ERROR,"EvtGen")<<"Negative prob:"<<p->getId().getId() 00057 <<" "<<p->getChannel()<<endl; 00058 00059 report(ERROR,"EvtGen") << "rho_forward:"<<endl; 00060 report(ERROR,"EvtGen") << p->getSpinDensityForward(); 00061 report(ERROR,"EvtGen") << "rho decay:"<<endl; 00062 report(ERROR,"EvtGen") << rho <<endl; 00063 } 00064 00065 if (prob!=prob) { 00066 00067 report(DEBUG,"EvtGen") << "Forward density matrix:"<<endl; 00068 report(ERROR,"EvtGen") << p->getSpinDensityForward(); 00069 00070 report(DEBUG,"EvtGen") << "Decay density matrix:"<<endl; 00071 report(ERROR,"EvtGen") << rho; 00072 00073 report(DEBUG,"EvtGen") << "prob:"<<prob<<endl; 00074 00075 report(DEBUG,"EvtGen") << "Particle:" 00076 <<EvtPDL::name(p->getId()).c_str()<<endl; 00077 report(DEBUG,"EvtGen") << "channel :"<<p->getChannel()<<endl; 00078 report(DEBUG,"EvtGen") << "Momentum:" << p->getP4() << " " << p->mass() << endl; 00079 if( p->getParent()!=0){ 00080 report(DEBUG,"EvtGen") << "parent:" 00081 <<EvtPDL::name( 00082 p->getParent()->getId()).c_str()<<endl; 00083 report(DEBUG,"EvtGen") << "parent channel :" 00084 <<p->getParent()->getChannel()<<endl; 00085 00086 int i; 00087 report(DEBUG,"EvtGen") << "parent daughters :"; 00088 for (i=0;i<p->getParent()->getNDaug();i++){ 00089 report(DEBUG,"") << EvtPDL::name( 00090 p->getParent()->getDaug(i)->getId()).c_str() 00091 << " "; 00092 } 00093 report(DEBUG,"") << endl; 00094 00095 report(DEBUG,"EvtGen") << "daughters :"; 00096 for (i=0;i<p->getNDaug();i++){ 00097 report(DEBUG,"") << EvtPDL::name( 00098 p->getDaug(i)->getId()).c_str() 00099 << " "; 00100 } 00101 report(DEBUG,"") << endl; 00102 00103 report(DEBUG,"EvtGen") << "daughter momenta :" << endl;; 00104 for (i=0;i<p->getNDaug();i++){ 00105 report(DEBUG,"") << p->getDaug(i)->getP4() << " " << p->getDaug(i)->mass(); 00106 report(DEBUG,"") << endl; 00107 } 00108 00109 } 00110 } 00111 00112 00113 prob/=_weight; 00114 00115 00116 prob_max = getProbMax(prob); 00117 p->setDecayProb(prob/prob_max); 00118 00119 //report(INFO,"EvtGen") << "Prob,prob_max,weight:"<<prob<<" "<<prob_max<<" "<<_weight<<endl; 00120 00121 more=prob<EvtRandom::Flat(prob_max); 00122 00123 ntimes--; 00124 00125 }while(ntimes&&more); 00126 //report(INFO,"EvtGen") << "Done\n"; 00127 00128 if (ntimes==0){ 00129 report(DEBUG,"EvtGen") << "Tried accept/reject:10000" 00130 <<" times, and rejected all the times!"<<endl; 00131 report(DEBUG,"")<<p->getSpinDensityForward()<<endl; 00132 report(DEBUG,"EvtGen") << "Is therefore accepting the last event!"<<endl; 00133 report(DEBUG,"EvtGen") << "Decay of particle:"<< 00134 EvtPDL::name(p->getId()).c_str()<<"(channel:"<< 00135 p->getChannel()<<") with mass "<<p->mass()<<endl; 00136 00137 int ii; 00138 for(ii=0;ii<p->getNDaug();ii++){ 00139 report(DEBUG,"EvtGen") <<"Daughter "<<ii<<":"<< 00140 EvtPDL::name(p->getDaug(ii)->getId()).c_str()<<" with mass "<< 00141 p->getDaug(ii)->mass()<<endl; 00142 } 00143 } 00144 00145 00146 EvtSpinDensity rho_list[10]; 00147 00148 rho_list[0]=p->getSpinDensityForward(); 00149 00150 00151 EvtAmp ampcont; 00152 00153 if (_amp2._pstates!=1){ 00154 ampcont=_amp2.contract(0,p->getSpinDensityForward()); // J2BB2 bugging here 00155 00156 } 00157 else{ 00158 ampcont=_amp2; 00159 } 00160 00161 00162 00163 // it may be that the parent decay model has already 00164 // done the decay - this should be rare and the 00165 // model better know what it is doing.. 00166 00167 if ( !daugsDecayedByParentModel() ){ 00168 00169 00170 // report(INFO,"EvtGen") << "Found " << p->getNDaug() << " daughters\n"; 00171 for(i=0;i<p->getNDaug();i++){ 00172 00173 rho.SetDim(_amp2.dstates[i]); 00174 00175 if (_amp2.dstates[i]==1) { 00176 rho.Set(0,0,EvtComplex(1.0,0.0)); 00177 } 00178 else{ 00179 rho=ampcont.contract(_amp2._dnontrivial[i],_amp2); 00180 } 00181 00182 if (!rho.Check()) { 00183 00184 report(ERROR,"EvtGen") << "-------start error-------"<<endl; 00185 report(ERROR,"EvtGen")<<"forward rho failed Check:"<< 00186 EvtPDL::name(p->getId()).c_str()<<" "<<p->getChannel()<<" "<<i<<endl; 00187 00188 report(ERROR,"EvtGen")<<"Parent:"<<EvtPDL::name(p->getParent()->getId()).c_str()<<endl; 00189 report(ERROR,"EvtGen")<<"GrandParent:"<<EvtPDL::name(p->getParent()->getParent()->getId()).c_str()<<endl; 00190 report(ERROR,"EvtGen")<<"GrandGrandParent:"<<EvtPDL::name(p->getParent()->getParent()->getParent()->getId()).c_str()<<endl; 00191 00192 report(ERROR,"EvtGen") << rho; 00193 int ii; 00194 _amp2.dump(); 00195 00196 for(ii=0;ii<i+1;ii++){ 00197 report(ERROR,"EvtGen") << rho_list[ii]; 00198 } 00199 report(ERROR,"EvtGen") << "-------Done with error-------"<<endl; 00200 } 00201 00202 00203 00204 p->getDaug(i)->setSpinDensityForward(rho); 00205 00206 00207 p->getDaug(i)->decay(); 00208 00209 rho_list[i+1]= p->getDaug(i)->getSpinDensityBackward(); 00210 00211 if (_amp2.dstates[i]!=1){ 00212 ampcont=ampcont.contract(_amp2._dnontrivial[i],rho_list[i+1]); 00213 } 00214 00215 00216 } 00217 00218 p->setSpinDensityBackward(_amp2.getBackwardSpinDensity(rho_list)); 00219 00220 00221 if (!p->getSpinDensityBackward().Check()) { 00222 00223 report(ERROR,"EvtGen")<<"rho_backward failed Check"<< 00224 p->getId().getId()<<" "<<p->getChannel()<<endl; 00225 00226 report(ERROR,"EvtGen") << p->getSpinDensityBackward(); 00227 00228 } 00229 } 00230 00231 if (getPHOTOS() || EvtRadCorr::alwaysRadCorr()) { 00232 EvtRadCorr::doRadCorr(p); 00233 00234 } 00235 00236 }
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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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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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00032 {_weight=weight;}
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00078 {return _summary; }
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00079 {return _verbose; }
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sets the amplitudes calculated in the decay objects
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sets the amplitudes calculated in the decay objects
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sets the amplitudes calculated in the decay objects
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sets the amplitudes calculated in the decay objects
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sets the amplitudes calculated in the decay objects
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