BOSS 7.1.2
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DQAPi2p2.cxx
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1#include "GaudiKernel/MsgStream.h"
2#include "GaudiKernel/AlgFactory.h"
3#include "GaudiKernel/ISvcLocator.h"
4#include "GaudiKernel/SmartDataPtr.h"
5#include "GaudiKernel/IDataProviderSvc.h"
6#include "GaudiKernel/PropertyMgr.h"
8#include "GaudiKernel/Bootstrap.h"
9#include "GaudiKernel/ISvcLocator.h"
10
12#include "EventModel/Event.h"
13
18
19
20
21#include "TMath.h"
22#include "GaudiKernel/INTupleSvc.h"
23#include "GaudiKernel/NTuple.h"
24#include "GaudiKernel/Bootstrap.h"
25#include "GaudiKernel/IHistogramSvc.h"
26#include "CLHEP/Vector/ThreeVector.h"
27#include "CLHEP/Vector/LorentzVector.h"
28#include "CLHEP/Vector/TwoVector.h"
29using CLHEP::Hep3Vector;
30using CLHEP::Hep2Vector;
31using CLHEP::HepLorentzVector;
32#include "CLHEP/Geometry/Point3D.h"
33#ifndef ENABLE_BACKWARDS_COMPATIBILITY
35#endif
37
40#include "VertexFit/VertexFit.h"
41#include "VertexFit/Helix.h"
43
44#include "McTruth/McParticle.h"
45
46#include <vector>
47//const double twopi = 6.2831853;
48//const double pi = 3.1415927;
49const double mpi = 0.13957;
50const double mkaon = 0.493677;
51const double mproton = 0.938272;
52const double xmass[5] = {0.000511, 0.105658, 0.139570,0.493677, 0.938272};
53//const double velc = 29.9792458; tof_path unit in cm.
54const double velc = 299.792458; // tof path unit in mm
55typedef std::vector<int> Vint;
56typedef std::vector<HepLorentzVector> Vp4;
57
58
59/////////////////////////////////////////////////////////////////////////////
60DECLARE_COMPONENT(DQAPi2p2)
61DQAPi2p2::DQAPi2p2(const std::string& name, ISvcLocator* pSvcLocator) :
62 Algorithm(name, pSvcLocator) {
63
64 //Declare the properties
65 declareProperty("saventuple", m_saventuple=false);
66
67 declareProperty("Vr0cut", m_vr0cut=1.0);
68 declareProperty("Vz0cut", m_vz0cut=5.0);
69 declareProperty("EnergyThreshold", m_energyThreshold=0.04);
70 declareProperty("GammaPhiCut", m_gammaPhiCut=20.0);
71 declareProperty("GammaThetaCut", m_gammaThetaCut=20.0);
72 declareProperty("GammaAngleCut", m_gammaAngleCut=20.0);
73 declareProperty("Test4C", m_test4C = 1);
74 declareProperty("Test5C", m_test5C = 1);
75 declareProperty("CheckDedx", m_checkDedx = 1);
76 declareProperty("CheckTof", m_checkTof = 1);
77}
78
79// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
81 MsgStream log(msgSvc(), name());
82
83 log << MSG::INFO << "in initialize()" << endmsg;
84 Ncut0=Ncut1=Ncut2=Ncut3=Ncut4=Ncut5=Ncut6=0;
85
86 StatusCode status;
87
88
89 NTuplePtr nt0(ntupleSvc(), "DQAFILE/pi2p2");
90 if ( nt0 ) m_tuple0 = nt0;
91 else {
92 m_tuple0 = ntupleSvc()->book ("DQAFILE/pi2p2", CLID_ColumnWiseTuple, "ks N-Tuple example");
93 if ( m_tuple0 ) {
94 status = m_tuple0->addItem ("nrun", m_nrun);
95 status = m_tuple0->addItem ("nrec", m_nrec);
96
97 status = m_tuple0->addItem ("nGam", m_nGam);
98 status = m_tuple0->addItem ("nGood", m_nGood);
99 status = m_tuple0->addItem ("nCharge", m_nCharge);
100 status = m_tuple0->addItem ("npi", m_npi);
101 status = m_tuple0->addItem ("nkaon", m_nkaon);
102 status = m_tuple0->addItem ("nproton", m_nproton);
103
104 status = m_tuple0->addItem ("dedxchi_e", 4, m_dedxchi_e);
105 status = m_tuple0->addItem ("dedxchi_mu", 4, m_dedxchi_mu);
106 status = m_tuple0->addItem ("dedxchi_pi", 4, m_dedxchi_pi);
107 status = m_tuple0->addItem ("dedxchi_kaon", 4, m_dedxchi_kaon);
108 status = m_tuple0->addItem ("dedxchi_proton", 4, m_dedxchi_proton);
109
110 status = m_tuple0->addItem ("tofchi_e", 4, m_tofchi_e);
111 status = m_tuple0->addItem ("tofchi_mu", 4, m_tofchi_mu);
112 status = m_tuple0->addItem ("tofchi_pi", 4, m_tofchi_pi);
113 status = m_tuple0->addItem ("tofchi_kaon", 4, m_tofchi_kaon);
114 status = m_tuple0->addItem ("tofchi_proton", 4, m_tofchi_proton);
115
116 status = m_tuple0->addItem ("trackfitchi", 4, m_trackfitchi);
117 status = m_tuple0->addItem ("dedxngoodhit", 4, m_dedxngoodhit);
118 status = m_tuple0->addItem ("trackfitndof", 4, m_trackfitndof);
119
120 status = m_tuple0->addItem ("index_pmiss", 4, m_index_pmiss);
121 status = m_tuple0->addItem ("index_pbmiss", 4, m_index_pbmiss);
122 status = m_tuple0->addItem ("index_pipmiss", 4, m_index_pipmiss);
123 status = m_tuple0->addItem ("index_pimmiss", 4, m_index_pimmiss);
124
125
126 status = m_tuple0->addItem ("istat_pmiss", m_istat_pmiss);
127 status = m_tuple0->addItem ("istat_pbmiss", m_istat_pbmiss);
128 status = m_tuple0->addItem ("istat_pipmiss", m_istat_pipmiss);
129 status = m_tuple0->addItem ("istat_pimmiss", m_istat_pimmiss);
130
131 status = m_tuple0->addItem ("mpmiss", m_mpmiss);
132 status = m_tuple0->addItem ("mpbmiss", m_mpbmiss);
133 status = m_tuple0->addItem ("mpipmiss", m_mpipmiss);
134 status = m_tuple0->addItem ("mpimmiss", m_mpimmiss);
135
136 status = m_tuple0->addItem ("ppmiss", m_ppmiss);
137 status = m_tuple0->addItem ("ppbmiss", m_ppbmiss);
138 status = m_tuple0->addItem ("ppipmiss", m_ppipmiss);
139 status = m_tuple0->addItem ("ppimmiss", m_ppimmiss);
140
141
142 status = m_tuple0->addItem ("ptrk_pmiss", 4, m_ptrk_pmiss);
143 status = m_tuple0->addItem ("ptrk_pbmiss", 4, m_ptrk_pbmiss);
144 status = m_tuple0->addItem ("ptrk_pipmiss", 4, m_ptrk_pipmiss);
145 status = m_tuple0->addItem ("ptrk_pimmiss", 4, m_ptrk_pimmiss);
146
147 status = m_tuple0->addItem ("id_pmiss", 3, m_id_pmiss);
148 status = m_tuple0->addItem ("id_pbmiss", 3, m_id_pbmiss);
149 status = m_tuple0->addItem ("id_pipmiss", 3, m_id_pipmiss);
150 status = m_tuple0->addItem ("id_pimmiss", 3, m_id_pimmiss);
151
152
153 status = m_tuple0->addItem ("eop", 4, m_eop);
154
155
156
157 }
158 else {
159 log << MSG::ERROR << " Cannot book N-tuple:" << long(m_tuple0) << endmsg;
160 return StatusCode::FAILURE;
161 }
162 }
163
164
165 StatusCode sc;
166 //
167 //--------end of book--------
168 //
169
170 log << MSG::INFO << "successfully return from initialize()" <<endmsg;
171 return StatusCode::SUCCESS;
172
173}
174
175// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
176StatusCode DQAPi2p2::execute() {
177
178// std::cout << "execute()" << std::endl;
179
180 MsgStream log(msgSvc(), name());
181 log << MSG::INFO << "in execute()" << endreq;
182
183 SmartDataPtr<Event::EventHeader> eventHeader(eventSvc(),"/Event/EventHeader");
184 int runNo=eventHeader->runNumber();
185 int event=eventHeader->eventNumber();
186 log << MSG::DEBUG <<"run, evtnum = "
187 << runNo << " , "
188 << event <<endreq;
189 m_nrun=runNo;
190 m_nrec= event;
191
192 setFilterPassed(false);
193
194 if ((event%100000)==0) {cout <<"event: "<< event << endl ; }
195 Ncut0++;
196
197 SmartDataPtr<EvtRecEvent> evtRecEvent(eventSvc(), EventModel::EvtRec::EvtRecEvent);
198 // log << MSG::INFO << "get event tag OK" << endreq;
199 log << MSG::DEBUG <<"ncharg, nneu, tottks = "
200 << evtRecEvent->totalCharged() << " , "
201 << evtRecEvent->totalNeutral() << " , "
202 << evtRecEvent->totalTracks() <<endreq;
203
204 SmartDataPtr<EvtRecTrackCol> evtRecTrkCol(eventSvc(), EventModel::EvtRec::EvtRecTrackCol);
205
206 SmartDataPtr<Event::McParticleCol> mcParticleCol(eventSvc(),"/Event/MC/McParticleCol");
207 double temp_p_pp,temp_p_pm;
208
209 int t_j=0;
210
211 //
212 // check x0, y0, z0, r0
213 // suggest cut: |z0|<5 && r0<1
214 //
215 Vint iGood, ipip, ipim , ikaonp, ikaonm, iprotonp,iprotonm;
216 iGood.clear();
217 ipip.clear();
218 ipim.clear();
219 ikaonp.clear();
220 ikaonm.clear();
221 iprotonp.clear();
222 iprotonm.clear();
223 Vp4 ppip, ppim;
224 ppip.clear();
225 ppim.clear();
226
227 int nCharge = 0;
228
229 Hep3Vector xorigin(0,0,0);
230
231 //if (m_reader.isRunNumberValid(runNo))
232 IVertexDbSvc* vtxsvc;
233 Gaudi::svcLocator()->service("VertexDbSvc", vtxsvc);
234 if(vtxsvc->isVertexValid()){
235 double* dbv = vtxsvc->PrimaryVertex();
236 double* vv = vtxsvc->SigmaPrimaryVertex();
237// HepVector dbv = m_reader.PrimaryVertex(runNo);
238// HepVector vv = m_reader.SigmaPrimaryVertex(runNo);
239 xorigin.setX(dbv[0]);
240 xorigin.setY(dbv[1]);
241 xorigin.setZ(dbv[2]);
242 }
243
244 for(int i = 0; i < evtRecEvent->totalCharged(); i++){
245 EvtRecTrackIterator itTrk=evtRecTrkCol->begin() + i;
246 if(!(*itTrk)->isMdcTrackValid()) continue;
247 RecMdcTrack *mdcTrk = (*itTrk)->mdcTrack();
248 double pch=mdcTrk->p();
249 double x0=mdcTrk->x();
250 double y0=mdcTrk->y();
251 double z0=mdcTrk->z();
252 double phi0=mdcTrk->helix(1);
253 double xv=xorigin.x();
254 double yv=xorigin.y();
255 double Rxy=(x0-xv)*cos(phi0)+(y0-yv)*sin(phi0);
256// m_vx0 = x0;
257// m_vy0 = y0;
258// m_vz0 = z0;
259// m_vr0 = Rxy;
260
261
262 HepVector a = mdcTrk->helix();
263 HepSymMatrix Ea = mdcTrk->err();
264 HepPoint3D point0(0.,0.,0.); // the initial point for MDC recosntruction
265 HepPoint3D IP(xorigin[0],xorigin[1],xorigin[2]);
266 VFHelix helixip(point0,a,Ea);
267 helixip.pivot(IP);
268 HepVector vecipa = helixip.a();
269 double Rvxy0=fabs(vecipa[0]); //the nearest distance to IP in xy plane
270 double Rvz0=vecipa[3]; //the nearest distance to IP in z direction
271 double Rvphi0=vecipa[1];
272
273 if(fabs(Rvz0) >= m_vz0cut) continue;
274 if(fabs(Rvxy0) >= m_vr0cut) continue;
275 if(cos(mdcTrk->theta())>0.93) continue;
276 if(pch>5) continue;
277
278 iGood.push_back(i);
279 nCharge += mdcTrk->charge();
280 if(t_j<4)
281 {
282 if((*itTrk)->isMdcDedxValid())
283 {
284 RecMdcDedx* dedxTrk = (*itTrk)->mdcDedx();
285
286 m_dedxchi_e[t_j] = dedxTrk->chiE();
287 m_dedxchi_mu[t_j] = dedxTrk->chiMu();
288 m_dedxchi_pi[t_j] = dedxTrk->chiPi();
289 m_dedxchi_kaon[t_j] = dedxTrk->chiK();
290 m_dedxchi_proton[t_j] = dedxTrk->chiP();
291
292 m_dedxngoodhit[t_j] = dedxTrk->numGoodHits();
293 }
294 if((*itTrk)->isTofTrackValid())
295 {
296 SmartRefVector<RecTofTrack> tofTrkCol=(*itTrk)->tofTrack();
297 SmartRefVector<RecTofTrack>::iterator iter_tof = tofTrkCol.begin();
298 for(;iter_tof!=tofTrkCol.end();iter_tof++){
299 TofHitStatus* status =new TofHitStatus;
300 status->setStatus( (*iter_tof)->status() );
301 if(status->is_cluster()){
302 double time=(*iter_tof)->tof();
303 double sigma=1.1*(*iter_tof)->sigma(0)/1000;
304 double expE_tof=(*iter_tof)->texpElectron();
305 double expMu_tof=(*iter_tof)->texpMuon();
306 double expPi_tof=(*iter_tof)->texpPion();
307 double expK_tof=(*iter_tof)->texpKaon();
308 double expP_tof=(*iter_tof)->texpProton();
309
310 if( sigma!=0 ){
311
312 m_tofchi_e[t_j] = ( time- expE_tof );/// sigma;
313 m_tofchi_mu[t_j] = ( time- expMu_tof);/// sigma;
314 m_tofchi_pi[t_j] = ( time- expPi_tof );/// sigma;
315 m_tofchi_kaon[t_j] = ( time- expK_tof );/// sigma;
316 m_tofchi_proton[t_j] = ( time- expP_tof );/// sigma;
317 }
318
319 }
320 delete status;
321 }
322 }
323
324 t_j++;
325 }
326
327 }
328
329 //
330 // Finish Good Charged Track Selection
331 //
332 int nGood = iGood.size();
333 m_nGood=nGood;
334 m_nCharge=nCharge;
335 log << MSG::DEBUG << "ngood, totcharge = " << nGood << " , " << nCharge << endreq;
336 if((nGood != 4)||(nCharge!=0)){
337 return StatusCode::SUCCESS;
338 }
339 Ncut1++;
340
341 for(int i = 0; i < nGood; i++) {
342 m_eop[i] = 5.;
343 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
344 if(!(*itTrk)->isMdcTrackValid()) continue;
345 RecMdcTrack* mdcTrk = (*itTrk)->mdcTrack();
346 double p = mdcTrk->p();
347 m_eop[i] = 6.;
348 if(!(*itTrk)->isEmcShowerValid()) continue;
349 RecEmcShower *emcTrk = (*itTrk)->emcShower();
350 double eraw = emcTrk->energy();
351 m_eop[i]=eraw/p;
352 }
353
354 Vint iGam;
355 iGam.clear();
356 for(int i = evtRecEvent->totalCharged(); i< evtRecEvent->totalTracks(); i++) {
357 if(i>=evtRecTrkCol->size())break;
358 EvtRecTrackIterator itTrk=evtRecTrkCol->begin() + i;
359 if(!(*itTrk)->isEmcShowerValid()) continue;
360 RecEmcShower *emcTrk = (*itTrk)->emcShower();
361 Hep3Vector emcpos(emcTrk->x(), emcTrk->y(), emcTrk->z());
362 // find the nearest charged track
363 double dthe = 200.;
364 double dphi = 200.;
365 double dang = 200.;
366 for(int j = 0; j < evtRecEvent->totalCharged(); j++) {
367 EvtRecTrackIterator jtTrk = evtRecTrkCol->begin() + j;
368 if(!(*jtTrk)->isExtTrackValid()) continue;
369 RecExtTrack *extTrk = (*jtTrk)->extTrack();
370 if(extTrk->emcVolumeNumber() == -1) continue;
371 Hep3Vector extpos = extTrk->emcPosition();
372 // double ctht = extpos.cosTheta(emcpos);
373 double angd = extpos.angle(emcpos);
374 double thed = extpos.theta() - emcpos.theta();
375 double phid = extpos.deltaPhi(emcpos);
376 thed = fmod(thed+CLHEP::twopi+CLHEP::twopi+pi, CLHEP::twopi) - CLHEP::pi;
377 phid = fmod(phid+CLHEP::twopi+CLHEP::twopi+pi, CLHEP::twopi) - CLHEP::pi;
378 if(angd < dang){
379 dang = angd;
380 dthe = thed;
381 dphi = phid;
382 }
383 }
384 if(dang>=200) continue;
385 double eraw = emcTrk->energy();
386 dthe = dthe * 180 / (CLHEP::pi);
387 dphi = dphi * 180 / (CLHEP::pi);
388 dang = dang * 180 / (CLHEP::pi);
389 if(eraw < m_energyThreshold) continue;
390// if((fabs(dthe) < m_gammaThetaCut) && (fabs(dphi)<m_gammaPhiCut) ) continue;
391 if(fabs(dang) < m_gammaAngleCut) continue;
392 double dtime = emcTrk->time();
393
394 if(dtime<0) continue;
395 if(dtime>14) continue;
396
397 //
398 // good photon cut will be set here
399 //
400 iGam.push_back((*itTrk)->trackId());
401 }
402
403 //
404 // Finish Good Photon Selection
405 //
406 int nGam = iGam.size();
407 m_nGam=nGam;
408
409 log << MSG::DEBUG << "num Good Photon " << nGam << " , " <<evtRecEvent->totalNeutral()<<endreq;
410// if(nGam<1){
411// return StatusCode::SUCCESS;
412// }
413 Ncut2++;
414
415 //
416 // Assign 4-momentum to each photon
417 //
418
419 //
420 // Assign 4-momentum to each charged track
421 //
422 Vp4 pCh;
423 pCh.clear();
424 Vint iPid,iCh;
425 iPid.clear();
426 iCh.clear();
427 int npi=0,npip=0,npim=0;
428 int nkaon=0,nkaonp=0,nkaonm=0;
429 int nproton=0,nprotonp=0,nprotonm=0;
431
432 for(int i = 0; i < nGood; i++) {
433 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
434 // if(pid) delete pid;
435 pid->init();
436 pid->setMethod(pid->methodProbability());
437// pid->setMethod(pid->methodLikelihood()); //for Likelihood Method
438
439 pid->setChiMinCut(4);
440 pid->setRecTrack(*itTrk);
441 pid->usePidSys( pid->useDedx() | pid->useTof1() | pid->useTof2()); // use PID sub-system pid->useDedx()
442 pid->identify(pid->onlyPion() | pid->onlyKaon() | pid->onlyProton()); // seperater Pion/Kaon
443 // pid->identify(pid->onlyPion());
444 // pid->identify(pid->onlyKaon());
445 pid->calculate();
446 RecMdcTrack* mdcTrk = (*itTrk)->mdcTrack();
447// m_ptrk_pid = mdcTrk->p();
448// m_cost_pid = cos(mdcTrk->theta());
449 iCh.push_back(mdcTrk->charge());
450 if(!(pid->IsPidInfoValid()))
451 {
452 iPid.push_back(0);
453 HepLorentzVector ptrk;
454 ptrk.setPx(mdcTrk->px());
455 ptrk.setPy(mdcTrk->py());
456 ptrk.setPz(mdcTrk->pz());
457 double p3 = ptrk.vect().mag();
458 ptrk.setE(sqrt(p3*p3+mpi*mpi));
459 pCh.push_back(ptrk);
460
461 }
462 if(!(pid->IsPidInfoValid())) continue;
463
464// if(pid->probPion() < 0.001 || (pid->probPion() < pid->probKaon())) continue;
465// if(pid->probPion() < 0.001) continue;
466// if(pid->pdf(2)<pid->pdf(3)) continue; // for Likelihood Method(0=electron 1=muon 2=pion 3=kaon 4=proton)
467
468 RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();//After ParticleID, use RecMdcKalTrack substitute RecMdcTrack
469// if (!(*itTrk)->isMdcKalTrackValid()) continue;
470// RecMdcKalTrack::setPidType (RecMdcKalTrack::pion);//PID can set to electron, muon, pion, kaon and proton;The default setting is pion
471
472 HepLorentzVector ptrk;
473 ptrk.setPx(mdcTrk->px());
474 ptrk.setPy(mdcTrk->py());
475 ptrk.setPz(mdcTrk->pz());
476
477 if((pid->probPion() >= pid->probKaon())&&(pid->probPion() >= pid->probProton()))
478 {npi=npi+1;
479 iPid.push_back(2);
480 if((*itTrk)->isMdcKalTrackValid())
481 {
483 ptrk.setPx(mdcKalTrk->px());
484 ptrk.setPy(mdcKalTrk->py());
485 ptrk.setPz(mdcKalTrk->pz());
486 }
487 double p3 = ptrk.vect().mag();
488 ptrk.setE(sqrt(p3*p3+mpi*mpi));
489 pCh.push_back(ptrk);
490 if(mdcTrk->charge()>0) npip++;
491 if(mdcTrk->charge()<0) npim++;
492
493 }
494 else if((pid->probKaon() >= pid->probPion())&&(pid->probKaon() >= pid->probProton()))
495 {nkaon=nkaon+1;
496 iPid.push_back(3);
497 if((*itTrk)->isMdcKalTrackValid())
498 {
500 ptrk.setPx(mdcKalTrk->px());
501 ptrk.setPy(mdcKalTrk->py());
502 ptrk.setPz(mdcKalTrk->pz());
503 }
504 double p3 = ptrk.vect().mag();
505 ptrk.setE(sqrt(p3*p3+mkaon*mkaon));
506 pCh.push_back(ptrk);
507 }
508 else if((pid->probProton() >= pid->probPion())&&(pid->probProton() >= pid->probKaon()))
509 {nproton=nproton+1;
510 iPid.push_back(4);
511 if((*itTrk)->isMdcKalTrackValid())
512 {
514 ptrk.setPx(mdcKalTrk->px());
515 ptrk.setPy(mdcKalTrk->py());
516 ptrk.setPz(mdcKalTrk->pz());
517 }
518 double p3 = ptrk.vect().mag();
519 ptrk.setE(sqrt(p3*p3+mproton*mproton));
520 pCh.push_back(ptrk);
521 if(mdcTrk->charge()>0) nprotonp++;
522 if(mdcTrk->charge()<0) nprotonm++;
523
524 }
525 else
526 {
527 iPid.push_back(0);
528 HepLorentzVector ptrk;
529 ptrk.setPx(mdcTrk->px());
530 ptrk.setPy(mdcTrk->py());
531 ptrk.setPz(mdcTrk->pz());
532 double p3 = ptrk.vect().mag();
533 ptrk.setE(sqrt(p3*p3+mpi*mpi));
534 pCh.push_back(ptrk);
535// cout<<"errrrrrrrrrrrrrrr"<<endl;
536 }
537
538 }
539 m_npi = npi;
540 m_nkaon = nkaon;
541 m_nproton = nproton;
542// int npip = ipip.size();
543// int npim = ipim.size();
544// if(npip*npim != 1) return SUCCESS;
545 m_istat_pmiss=0;
546 m_istat_pbmiss=0;
547 m_istat_pipmiss=0;
548 m_istat_pimmiss=0;
549 for(int i=0;i<4;i++)
550 {
551 m_ptrk_pmiss[i]=5;
552 m_ptrk_pbmiss[i]=5;
553 m_ptrk_pipmiss[i]=5;
554 m_ptrk_pimmiss[i]=5;
555 }
556 for(int i=0; i<3; i++)
557 {
558 m_id_pmiss[i]=0;
559 m_id_pbmiss[i]=0;
560 m_id_pipmiss[i]=0;
561 m_id_pimmiss[i]=0;
562 }
563////////////////////////////////////////////////////////////////////////
564//classify
565/////////////////////////////////////////////////////
566 HepLorentzVector ecms(0.03406837,0,0,3.0971873);
567 HepLorentzVector pmiss;
568 m_mpmiss=5.;
569 m_mpbmiss=5.;
570 m_mpipmiss=5.;
571 m_mpimmiss=5.;
572 m_ppmiss=5.;
573 m_ppbmiss=5.;
574 m_ppipmiss=5.;
575 m_ppimmiss=5.;
576
577 int istat_nhit;
578
579 if((npip==1)&&(npim==1)&&(nprotonm==1))
580 {
581 pmiss.setPx(0);
582 pmiss.setPy(0);
583 pmiss.setPz(0);
584 pmiss.setE(0);
585 istat_nhit=0;
586
587 int j=0;
588 for(int i = 0; i < nGood; i++)
589 {
590 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
591// if(!(*itTrk)->isMdcTrackValid()) continue;
592 RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();//After ParticleID, use RecMdcKalTrack substitute RecMdcTrack
593// RecMdcKalTrack::setPidType (RecMdcKalTrack::pion);//PID can set to electron, muon, pion, kaon and proton;The default setting is pion
594 double p;
595 double eraw;
596 if((*itTrk)->isEmcShowerValid())
597 {
598 RecEmcShower *emcTrk = (*itTrk)->emcShower();
599 eraw = emcTrk->energy();
600 }
601
602// pi+ pi- anti-proton and miss proton
603 if((iPid[i]*iCh[i])== 2 )
604 {
605 m_index_pmiss[j]=i;
606 pmiss=pmiss+pCh[i];
608 p = mdcKalTrk->p();
609 if(m_dedxngoodhit[i]<20) istat_nhit = 1;
610 j++;
611 }
612 else if((iPid[i]*iCh[i])== -2 )
613 {
614 m_index_pmiss[j]=i;
615 pmiss=pmiss+pCh[i];
617 p = mdcKalTrk->p();
618 if(m_dedxngoodhit[i]<20) istat_nhit = 1;
619
620 j++;
621 }
622 else if((iPid[i]*iCh[i])== -4 )
623 {
624 m_index_pmiss[j]=i;
625 pmiss=pmiss+pCh[i];
627 p = mdcKalTrk->p();
628 if(m_dedxngoodhit[i]<20) istat_nhit = 1;
629
630 j++;
631 }
632 else
633 {
634 if(nGood==4)
635 {
636 m_index_pmiss[3]=i;
638 p = mdcKalTrk->p();
639 HepLorentzVector ptrk;
640 ptrk.setPx(mdcKalTrk->px());
641 ptrk.setPy(mdcKalTrk->py());
642 ptrk.setPz(mdcKalTrk->pz());
643 double p3 = ptrk.vect().mag();
644 ptrk.setE(sqrt(p3*p3+mproton*mproton));
645 m_ptrk_pmiss[0]=ptrk.px();
646 m_ptrk_pmiss[1]=ptrk.py();
647 m_ptrk_pmiss[2]=ptrk.pz();
648 m_ptrk_pmiss[3]=ptrk.e();
649
650 }
651 }
652 }// end loop of good charge particle
653
654 for(int i = 0; i < nGood; i++) {
655 if((iPid[i]*iCh[i])== 2 ) continue;
656 if((iPid[i]*iCh[i])== -2 ) continue;
657 if((iPid[i]*iCh[i])== -4 ) continue;
658 if(iCh[i]<0) continue;
659// if(nGood==6) protonpTrk = (*(evtRecTrkCol->begin()+iGood[i]))->mdcKalTrack();
660 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
661 for(int ii=0; ii<3; ii++)
662 {
663 pid->init();
664 pid->setMethod(pid->methodProbability());
665 pid->setChiMinCut(4);
666 pid->setRecTrack(*itTrk);
667 if(ii==0)
668 { pid->usePidSys(pid->useDedx() ); }// use dedx only
669 else if(ii==1)
670 { pid->usePidSys( pid->useTof1() | pid->useTof2()); }// use tof only
671 else if(ii==2)
672 { pid->usePidSys(pid->useDedx() | pid->useTof1() | pid->useTof2()); }// use both dedx and tof
673
674 pid->identify(pid->onlyPion() | pid->onlyKaon() | pid->onlyProton()); // seperater Pion/Kaon
675 pid->calculate();
676 if(!(pid->IsPidInfoValid())) continue;
677 if((pid->probProton() >= pid->probPion())&&(pid->probProton() >= pid->probKaon())) m_id_pmiss[ii]++;
678 }
679 }
680
681 pmiss = ecms - pmiss;
682 m_mpmiss= pmiss.m();
683 m_ppmiss = pmiss.rho();
684
685 if(fabs(m_mpmiss-mproton)<0.02&&istat_nhit==0)
686 {
687 m_istat_pmiss=1;
688 (*(evtRecTrkCol->begin()+ iGood[m_index_pmiss[3]]))->setPartId(3);
689 (*(evtRecTrkCol->begin()+ iGood[m_index_pmiss[3]]))->setQuality(0);
690
691 }
692
693 Ncut3++;
694 }//end miss proton
695 if((npip==1)&&(npim==1)&&(nprotonp==1))
696 {
697 pmiss.setPx(0);
698 pmiss.setPy(0);
699 pmiss.setPz(0);
700 pmiss.setE(0);
701 istat_nhit=0;
702
703 int j=0;
704 for(int i = 0; i < nGood; i++)
705 {
706 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
707// if(!(*itTrk)->isMdcTrackValid()) continue;
708 RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();//After ParticleID, use RecMdcKalTrack substitute RecMdcTrack
709// RecMdcKalTrack::setPidType (RecMdcKalTrack::pion);//PID can set to electron, muon, pion, kaon and proton;The default setting is pion
710 double p;
711 double eraw;
712 if((*itTrk)->isEmcShowerValid())
713 {
714 RecEmcShower *emcTrk = (*itTrk)->emcShower();
715 eraw = emcTrk->energy();
716 }
717// m_eop[i]=eraw/p;
718
719// pi+ pi- proton and miss anti-proton
720 if((iPid[i]*iCh[i])== 2 )
721 {
722 m_index_pbmiss[j] = i;
723 pmiss = pmiss + pCh[i];
725 p = mdcKalTrk->p();
726 if(m_dedxngoodhit[i]<20) istat_nhit=1;
727
728 j++;
729 }
730 else if((iPid[i]*iCh[i])== -2 )
731 {
732 m_index_pbmiss[j] = i;
733
734 pmiss = pmiss + pCh[i];
736 p = mdcKalTrk->p();
737 if(m_dedxngoodhit[i]<20) istat_nhit=1;
738
739 j++;
740 }
741 else if((iPid[i]*iCh[i])== 4 )
742 {
743 m_index_pbmiss[j] = i;
744 pmiss = pmiss + pCh[i];
746 p = mdcKalTrk->p();
747 if(m_dedxngoodhit[i]<20) istat_nhit=1;
748
749 j++;
750 }
751 else
752 {
753 if(nGood==4)
754 {
755 m_index_pbmiss[3] = i;
757 p = mdcKalTrk->p();
758 HepLorentzVector ptrk;
759 ptrk.setPx(mdcKalTrk->px());
760 ptrk.setPy(mdcKalTrk->py());
761 ptrk.setPz(mdcKalTrk->pz());
762 double p3 = ptrk.vect().mag();
763 ptrk.setE(sqrt(p3*p3+mproton*mproton));
764 m_ptrk_pbmiss[0]=ptrk.px();
765 m_ptrk_pbmiss[1]=ptrk.py();
766 m_ptrk_pbmiss[2]=ptrk.pz();
767 m_ptrk_pbmiss[3]=ptrk.e();
768
769 }
770 }
771 }// end loop of good charge particle
772
773 for(int i = 0; i < nGood; i++) {
774 if((iPid[i]*iCh[i])== 2 ) continue;
775 if((iPid[i]*iCh[i])== -2 ) continue;
776 if((iPid[i]*iCh[i])== 4 ) continue;
777 if(iCh[i]>0) continue;
778// if(nGood==6) protonpTrk = (*(evtRecTrkCol->begin()+iGood[i]))->mdcKalTrack();
779 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
780 for(int ii=0; ii<3; ii++)
781 {
782 pid->init();
783 pid->setMethod(pid->methodProbability());
784 pid->setChiMinCut(4);
785 pid->setRecTrack(*itTrk);
786 if(ii==0)
787 { pid->usePidSys(pid->useDedx() ); }// use dedx only
788 else if(ii==1)
789 { pid->usePidSys( pid->useTof1() | pid->useTof2()); }// use tof only
790 else if(ii==2)
791 { pid->usePidSys(pid->useDedx() | pid->useTof1() | pid->useTof2()); }// use both dedx and tof
792
793 pid->identify(pid->onlyPion() | pid->onlyKaon() | pid->onlyProton()); // seperater Pion/Kaon
794 pid->calculate();
795 if(!(pid->IsPidInfoValid())) continue;
796 if((pid->probProton() >= pid->probPion())&&(pid->probProton() >= pid->probKaon())) m_id_pbmiss[ii]++;
797 }
798 }
799 pmiss = ecms - pmiss;
800 m_mpbmiss= pmiss.m();
801 m_ppbmiss = pmiss.rho();
802 if(fabs(m_mpbmiss-mproton)<0.02&&istat_nhit==0)
803 {
804 m_istat_pbmiss=1;
805 (*(evtRecTrkCol->begin()+ iGood[m_index_pbmiss[3]]))->setPartId(3);
806 (*(evtRecTrkCol->begin()+ iGood[m_index_pbmiss[3]]))->setQuality(0);
807 }
808 Ncut4++;
809 }//end miss anti-proton
810 int initial_pip, initial_pim;
811//***************************************
812//// test the istat of jpsi mass
813//****************************************
814
815 if((npim==1)&&(nprotonp==1)&&(nprotonm==1))
816 {
817 pmiss.setPx(0);
818 pmiss.setPy(0);
819 pmiss.setPz(0);
820 pmiss.setE(0);
821 istat_nhit=0;
822
823 int j=0;
824 for(int i = 0; i < nGood; i++)
825 {
826 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
827// if(!(*itTrk)->isMdcTrackValid()) continue;
828 RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();//After ParticleID, use RecMdcKalTrack substitute RecMdcTrack
829// RecMdcKalTrack::setPidType (RecMdcKalTrack::pion);//PID can set to electron, muon, pion, kaon and proton;The default setting is pion
830 double p;
831 double eraw;
832 if((*itTrk)->isEmcShowerValid())
833 {
834 RecEmcShower *emcTrk = (*itTrk)->emcShower();
835 eraw = emcTrk->energy();
836 }
837// m_eop[i]=eraw/p;
838
839// pi+ pi- proton and miss anti-proton
840 if((iPid[i]*iCh[i])== 4 )
841 {
842 m_index_pipmiss[j] = i;
843 pmiss = pmiss +pCh[i];
845 p = mdcKalTrk->p();
846 if(m_dedxngoodhit[i]<20) istat_nhit =1;
847
848 j++;
849 }
850 else if((iPid[i]*iCh[i])== -4 )
851 {
852 m_index_pipmiss[j] = i;
853
854 pmiss = pmiss +pCh[i];
856 p = mdcKalTrk->p();
857 if(m_dedxngoodhit[i]<20) istat_nhit=1;
858
859 j++;
860 }
861 else if((iPid[i]*iCh[i])== -2 )
862 {
863 m_index_pipmiss[j] = i;
864
865 pmiss = pmiss +pCh[i];
867 p = mdcKalTrk->p();
868 if(m_dedxngoodhit[i]<20) istat_nhit=1;
869
870 j++;
871 }
872 else
873 {
874 if(nGood==4)
875 {
876 m_index_pipmiss[3] = i;
877
879 p = mdcKalTrk->p();
880 HepLorentzVector ptrk;
881 ptrk.setPx(mdcKalTrk->px());
882 ptrk.setPy(mdcKalTrk->py());
883 ptrk.setPz(mdcKalTrk->pz());
884 double p3 = ptrk.vect().mag();
885 ptrk.setE(sqrt(p3*p3+mpi*mpi));
886 m_ptrk_pipmiss[0]=ptrk.px();
887 m_ptrk_pipmiss[1]=ptrk.py();
888 m_ptrk_pipmiss[2]=ptrk.pz();
889 m_ptrk_pipmiss[3]=ptrk.e();
890
891 }
892 }
893 }// end loop of good charge particle
894
895 for(int i = 0; i < nGood; i++) {
896 if((iPid[i]*iCh[i])== 4 ) continue;
897 if((iPid[i]*iCh[i])== -4 ) continue;
898 if((iPid[i]*iCh[i])== -2 ) continue;
899 if(iCh[i]<0) continue;
900// if(nGood==6) protonpTrk = (*(evtRecTrkCol->begin()+iGood[i]))->mdcKalTrack();
901 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
902 for(int ii=0; ii<3; ii++)
903 {
904 pid->init();
905 pid->setMethod(pid->methodProbability());
906 pid->setChiMinCut(4);
907 pid->setRecTrack(*itTrk);
908 if(ii==0)
909 { pid->usePidSys(pid->useDedx() ); }// use dedx only
910 else if(ii==1)
911 { pid->usePidSys( pid->useTof1() | pid->useTof2()); }// use tof only
912 else if(ii==2)
913 { pid->usePidSys(pid->useDedx() | pid->useTof1() | pid->useTof2()); }// use both dedx and tof
914
915 pid->identify(pid->onlyPion() | pid->onlyKaon() | pid->onlyProton()); // seperater Pion/Kaon
916 pid->calculate();
917 if(!(pid->IsPidInfoValid())) continue;
918 if((pid->probPion() >= pid->probProton())&&(pid->probPion() >= pid->probKaon())) m_id_pipmiss[ii]++;
919 }
920 }
921 pmiss = ecms - pmiss;
922 m_mpipmiss = pmiss.m();
923 m_ppipmiss = pmiss.rho();
924 if(fabs(m_mpipmiss-mpi)<0.05&&istat_nhit==0)
925 {
926 m_istat_pipmiss=1;
927 (*(evtRecTrkCol->begin()+ iGood[m_index_pipmiss[3]]))->setPartId(2);
928 (*(evtRecTrkCol->begin()+ iGood[m_index_pipmiss[3]]))->setQuality(0);
929
930 }
931 Ncut5++;
932 }//end miss pip
933 if((npip==1)&&(nprotonp==1)&&(nprotonm==1))
934 {
935 pmiss.setPx(0);
936 pmiss.setPy(0);
937 pmiss.setPz(0);
938 pmiss.setE(0);
939 istat_nhit=0;
940
941 int j=0;
942 for(int i = 0; i < nGood; i++)
943 {
944 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
945// if(!(*itTrk)->isMdcTrackValid()) continue;
946 RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();//After ParticleID, use RecMdcKalTrack substitute RecMdcTrack
947// RecMdcKalTrack::setPidType (RecMdcKalTrack::pion);//PID can set to electron, muon, pion, kaon and proton;The default setting is pion
948 double p;
949 double eraw;
950 if((*itTrk)->isEmcShowerValid())
951 {
952 RecEmcShower *emcTrk = (*itTrk)->emcShower();
953 eraw = emcTrk->energy();
954 }
955// m_eop[i]=eraw/p;
956
957// pi+ pi- proton and miss anti-proton
958
959
960 if((iPid[i]*iCh[i])== 4 )
961 {
962 m_index_pimmiss[j]=i;
963 pmiss = pmiss + pCh[i];
965 p = mdcKalTrk->p();
966 if(m_dedxngoodhit[i]<20) istat_nhit=1;
967
968 j++;
969 }
970 else if((iPid[i]*iCh[i])== -4 )
971 {
972 m_index_pimmiss[j]=i;
973
974 pmiss = pmiss + pCh[i];
976 p = mdcKalTrk->p();
977 if(m_dedxngoodhit[i]<20) istat_nhit =1;
978
979 j++;
980 }
981 else if((iPid[i]*iCh[i])== 2 )
982 {
983 m_index_pimmiss[j]=i;
984 pmiss = pmiss + pCh[i];
986 p = mdcKalTrk->p();
987 if(m_dedxngoodhit[i]<20) istat_nhit = 1;
988
989 j++;
990 }
991 else
992 {
993 if(nGood==4)
994 {
995 m_index_pimmiss[3]=i;
997 p = mdcKalTrk->p();
998 HepLorentzVector ptrk;
999 ptrk.setPx(mdcKalTrk->px());
1000 ptrk.setPy(mdcKalTrk->py());
1001 ptrk.setPz(mdcKalTrk->pz());
1002 double p3 = ptrk.vect().mag();
1003 ptrk.setE(sqrt(p3*p3+mpi*mpi));
1004 m_ptrk_pimmiss[0]=ptrk.px();
1005 m_ptrk_pimmiss[1]=ptrk.py();
1006 m_ptrk_pimmiss[2]=ptrk.pz();
1007 m_ptrk_pimmiss[3]=ptrk.e();
1008
1009 }
1010 }
1011 }// end loop of good charge particle
1012
1013 for(int i = 0; i < nGood; i++) {
1014 if((iPid[i]*iCh[i])== 4 ) continue;
1015 if((iPid[i]*iCh[i])== -4 ) continue;
1016 if((iPid[i]*iCh[i])== 2 ) continue;
1017 if(iCh[i]>0) continue;
1018// if(nGood==6) protonpTrk = (*(evtRecTrkCol->begin()+iGood[i]))->mdcKalTrack();
1019 EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
1020 for(int ii=0; ii<3; ii++)
1021 {
1022 pid->init();
1023 pid->setMethod(pid->methodProbability());
1024 pid->setChiMinCut(4);
1025 pid->setRecTrack(*itTrk);
1026 if(ii==0)
1027 { pid->usePidSys(pid->useDedx() ); }// use dedx only
1028 else if(ii==1)
1029 { pid->usePidSys( pid->useTof1() | pid->useTof2()); }// use tof only
1030 else if(ii==2)
1031 { pid->usePidSys(pid->useDedx() | pid->useTof1() | pid->useTof2()); }// use both dedx and tof
1032
1033 pid->identify(pid->onlyPion() | pid->onlyKaon() | pid->onlyProton()); // seperater Pion/Kaon
1034 pid->calculate();
1035 if(!(pid->IsPidInfoValid())) continue;
1036 if((pid->probPion() >= pid->probProton())&&(pid->probPion() >= pid->probKaon())) m_id_pimmiss[ii]++;
1037 }
1038 }
1039 pmiss = ecms - pmiss;
1040 m_mpimmiss = pmiss.m();
1041 m_ppimmiss = pmiss.rho();
1042 if(fabs(m_mpimmiss-mpi)<0.05&&istat_nhit==0)
1043 {
1044 m_istat_pimmiss=1;
1045 (*(evtRecTrkCol->begin()+ iGood[m_index_pimmiss[3]]))->setPartId(2);
1046 (*(evtRecTrkCol->begin()+ iGood[m_index_pimmiss[3]]))->setQuality(0);
1047
1048 }
1049 Ncut6++;
1050 }//end miss pip
1051
1052
1053
1054 if(m_istat_pmiss!=1 &&m_istat_pbmiss!=1&&m_istat_pipmiss!=1 && m_istat_pimmiss!=1)
1055 {return StatusCode::SUCCESS;}
1056
1057
1058// Ncut3++;
1059 if(m_saventuple) m_tuple0->write();
1060
1061 setFilterPassed(true);
1062
1063 return StatusCode::SUCCESS;
1064}
1065
1066
1067// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
1069 cout<<"total number: "<<Ncut0<<endl;
1070 cout<<"nGood==2, nCharge==0: "<<Ncut1<<endl;
1071 cout<<"nGam>=2: "<<Ncut2<<endl;
1072 cout<<"Pass Pid: "<<Ncut3<<endl;
1073 cout<<"Pass 4C: "<<Ncut4<<endl;
1074 cout<<"Pass 5C: "<<Ncut5<<endl;
1075 cout<<"J/psi->pi+ pi- p andti-p: "<<Ncut6<<endl;
1076 MsgStream log(msgSvc(), name());
1077 log << MSG::INFO << "in finalize()" << endmsg;
1078 return StatusCode::SUCCESS;
1079}
1080
double sin(const BesAngle a)
Definition BesAngle.h:210
double cos(const BesAngle a)
Definition BesAngle.h:213
TTree * sigma
HepGeom::Point3D< double > HepPoint3D
Definition DQAPi2p2.cxx:34
const double mproton
Definition DQAPi2p2.cxx:51
std::vector< HepLorentzVector > Vp4
Definition DQAPi2p2.cxx:56
const double xmass[5]
Definition DQAPi2p2.cxx:52
const double velc
Definition DQAPi2p2.cxx:54
const double mpi
Definition DQAPi2p2.cxx:49
const double mkaon
Definition DQAPi2p2.cxx:50
std::vector< int > Vint
Definition DQAPi2p2.cxx:55
int runNo
Definition DQA_TO_DB.cxx:12
const double mkaon
Double_t time
EvtRecTrackCol::iterator EvtRecTrackIterator
std::vector< HepLorentzVector > Vp4
Definition Gam4pikp.cxx:53
const double mpi
Definition Gam4pikp.cxx:47
std::vector< int > Vint
Definition Gam4pikp.cxx:52
const double mproton
Definition PipiJpsi.cxx:50
INTupleSvc * ntupleSvc()
IMessageSvc * msgSvc()
StatusCode initialize()
Definition DQAPi2p2.cxx:80
StatusCode execute()
Definition DQAPi2p2.cxx:176
StatusCode finalize()
double x() const
double time() const
double z() const
double energy() const
double y() const
const Hep3Vector emcPosition() const
const int emcVolumeNumber() const
double chiE() const
Definition DstMdcDedx.h:59
int numGoodHits() const
Definition DstMdcDedx.h:64
double chiPi() const
Definition DstMdcDedx.h:61
double chiK() const
Definition DstMdcDedx.h:62
double chiMu() const
Definition DstMdcDedx.h:60
double chiP() const
Definition DstMdcDedx.h:63
void setPx(const double px, const int pid)
const double px() const
static void setPidType(PidType pidType)
const double pz() const
const double py() const
const double p() const
const double theta() const
Definition DstMdcTrack.h:59
const double py() const
Definition DstMdcTrack.h:56
const HepSymMatrix err() const
const int charge() const
Definition DstMdcTrack.h:53
const double px() const
Definition DstMdcTrack.h:55
const double pz() const
Definition DstMdcTrack.h:57
const HepVector helix() const
......
const double z() const
Definition DstMdcTrack.h:63
const double p() const
Definition DstMdcTrack.h:58
const double y() const
Definition DstMdcTrack.h:62
const double x() const
Definition DstMdcTrack.h:61
virtual bool isVertexValid()=0
virtual double * SigmaPrimaryVertex()=0
virtual double * PrimaryVertex()=0
int useTof2() const
int onlyProton() const
int methodProbability() const
int useDedx() const
int onlyKaon() const
int onlyPion() const
int useTof1() const
void setChiMinCut(const double chi=4)
void setRecTrack(EvtRecTrack *trk)
double probKaon() const
Definition ParticleID.h:124
void setMethod(const int method)
Definition ParticleID.h:94
void identify(const int pidcase)
Definition ParticleID.h:103
void usePidSys(const int pidsys)
Definition ParticleID.h:97
static ParticleID * instance()
bool IsPidInfoValid() const
double probPion() const
Definition ParticleID.h:123
void calculate()
void init()
double probProton() const
Definition ParticleID.h:125
bool is_cluster() const
void setStatus(unsigned int status)
const HepPoint3D & pivot(void) const
returns pivot position.
const HepVector & a(void) const
returns helix parameters.
const double ecms
Definition inclkstar.cxx:42
_EXTERN_ std::string EvtRecEvent
Definition EventModel.h:116
_EXTERN_ std::string EvtRecTrackCol
Definition EventModel.h:117
float ptrk
double double * p3
Definition qcdloop1.h:76
const float pi
Definition vector3.h:133