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Hector.cc
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1 #include "FWCore/MessageLogger/interface/MessageLogger.h"
2 #include "FWCore/ParameterSet/interface/FileInPath.h"
3 
4 #include "SimTransport/HectorProducer/interface/Hector.h"
5 
6 #include "HepMC/SimpleVector.h"
7 #include "SimGeneral/HepPDTRecord/interface/ParticleDataTable.h"
8 #include <CLHEP/Units/GlobalSystemOfUnits.h>
9 
10 #include "TMath.h"
11 #include "TRandom3.h"
12 
13 #include "H_Parameters.h"
14 
15 #include <cmath>
16 
17 Hector::Hector(const edm::ParameterSet &param,
18  const edm::ESGetToken<HepPDT::ParticleDataTable, PDTRecord> &token,
19  bool verbosity,
20  bool FP420Transport,
21  bool ZDCTransport)
22  : tok_pdt_(token), m_verbosity(verbosity), m_FP420Transport(FP420Transport), m_ZDCTransport(ZDCTransport) {
23  // Create LHC beam line
24  edm::ParameterSet hector_par = param.getParameter<edm::ParameterSet>("Hector");
25 
26  // User definitons
27  lengthfp420 = hector_par.getParameter<double>("BeamLineLengthFP420");
28  m_rpp420_f = (float)hector_par.getParameter<double>("RP420f");
29  m_rpp420_b = (float)hector_par.getParameter<double>("RP420b");
30  lengthzdc = hector_par.getParameter<double>("BeamLineLengthZDC");
31  lengthd1 = hector_par.getParameter<double>("BeamLineLengthD1");
32  beam1filename = hector_par.getParameter<string>("Beam1");
33  beam2filename = hector_par.getParameter<string>("Beam2");
34  m_rppzdc = (float)lengthzdc;
35  m_rppd1 = (float)lengthd1;
36  m_smearAng = hector_par.getParameter<bool>("smearAng");
37  m_sigmaSTX = hector_par.getParameter<double>("sigmaSTX");
38  m_sigmaSTY = hector_par.getParameter<double>("sigmaSTY");
39  m_smearE = hector_par.getParameter<bool>("smearEnergy");
40  m_sig_e = hector_par.getParameter<double>("sigmaEnergy");
41  etacut = hector_par.getParameter<double>("EtaCutForHector");
42  theCorrespondenceMap.clear();
43 
44  if (m_verbosity) {
45  edm::LogInfo("HectorSetup") << "==================================================================="
46  "\n"
47  << " * * * * * * * * * * * * * * * * * * * * * * * * * * * * "
48  "\n"
49  << " * * "
50  "\n"
51  << " * --<--<-- A fast simulator --<--<-- * "
52  "\n"
53  << " * | --<--<-- of particle --<--<-- * "
54  "\n"
55  << " * ----HECTOR----< * "
56  "\n"
57  << " * | -->-->-- transport through-->-->-- * "
58  "\n"
59  << " * -->-->-- generic beamlines -->-->-- * "
60  "\n"
61  << " * * "
62  "\n"
63  << " * JINST 2:P09005 (2007) * "
64  "\n"
65  << " * X Rouby, J de Favereau, K Piotrzkowski (CP3) * "
66  "\n"
67  << " * http://www.fynu.ucl.ac.be/hector.html * "
68  "\n"
69  << " * * "
70  "\n"
71  << " * Center for Cosmology, Particle Physics and Phenomenology * "
72  "\n"
73  << " * Universite catholique de Louvain * "
74  "\n"
75  << " * Louvain-la-Neuve, Belgium * "
76  "\n"
77  << " * * "
78  "\n"
79  << " * * * * * * * * * * * * * * * * * * * * * * * * * * * * "
80  "\n"
81  << " Hector configuration: \n"
82  << " m_FP420Transport = " << m_FP420Transport << "\n"
83  << " m_ZDCTransport = " << m_ZDCTransport << "\n"
84  << " lengthfp420 = " << lengthfp420 << "\n"
85  << " m_rpp420_f = " << m_rpp420_f << "\n"
86  << " m_rpp420_b = " << m_rpp420_b << "\n"
87  << " lengthzdc = " << lengthzdc << "\n"
88  << " lengthd1 = " << lengthd1 << "\n"
89  << "==================================================================="
90  "\n";
91  }
92  edm::FileInPath b1(beam1filename.c_str());
93  edm::FileInPath b2(beam2filename.c_str());
94 
95  // construct beam line for FP420: .
96  if (m_FP420Transport && lengthfp420 > 0.) {
97  m_beamlineFP4201 = new H_BeamLine(1, lengthfp420 + 0.1); // (direction, length)
98  m_beamlineFP4202 = new H_BeamLine(-1, lengthfp420 + 0.1); //
99  m_beamlineFP4201->fill(b1.fullPath(), 1, "IP5");
100  m_beamlineFP4202->fill(b2.fullPath(), -1, "IP5");
101  m_beamlineFP4201->offsetElements(120, -0.097);
102  m_beamlineFP4202->offsetElements(120, +0.097);
103  m_beamlineFP4201->calcMatrix();
104  m_beamlineFP4202->calcMatrix();
105  } else {
106  if (m_verbosity)
107  LogDebug("HectorSetup") << "Hector: WARNING: lengthfp420= " << lengthfp420;
108  }
109 
110  if (m_ZDCTransport && lengthzdc > 0. && lengthd1 > 0.) {
111  // construct beam line for ZDC: .
112  m_beamlineZDC1 = new H_BeamLine(1, lengthzdc + 0.1); // (direction, length)
113  m_beamlineZDC2 = new H_BeamLine(-1, lengthzdc + 0.1); //
114  m_beamlineZDC1->fill(b1.fullPath(), 1, "IP5");
115  m_beamlineZDC2->fill(b2.fullPath(), -1, "IP5");
116  m_beamlineZDC1->offsetElements(120, -0.097);
117  m_beamlineZDC2->offsetElements(120, +0.097);
118  m_beamlineZDC1->calcMatrix();
119  m_beamlineZDC2->calcMatrix();
120 
121  // construct beam line for D1: .
122  m_beamlineD11 = new H_BeamLine(1, lengthd1 + 0.1); // (direction, length)
123  m_beamlineD12 = new H_BeamLine(-1, lengthd1 + 0.1); //
124  m_beamlineD11->fill(b1.fullPath(), 1, "IP5");
125  m_beamlineD12->fill(b2.fullPath(), -1, "IP5");
126  m_beamlineD11->offsetElements(120, -0.097);
127  m_beamlineD12->offsetElements(120, +0.097);
128  m_beamlineD11->calcMatrix();
129  m_beamlineD12->calcMatrix();
130  } else {
131  if (m_verbosity)
132  LogDebug("HectorSetup") << "Hector: WARNING: lengthzdc= " << lengthzdc << "lengthd1= " << lengthd1;
133  }
134 }
135 
136 Hector::~Hector() {
137  for (std::map<unsigned int, H_BeamParticle *>::iterator it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
138  delete (*it).second;
139  }
140 
141  delete m_beamlineFP4201;
142  delete m_beamlineFP4202;
143  delete m_beamlineZDC1;
144  delete m_beamlineZDC2;
145  delete m_beamlineD11;
146  delete m_beamlineD12;
147 }
148 
149 void Hector::clearApertureFlags() {
150  m_isStoppedfp420.clear();
151  m_isStoppedzdc.clear();
152  m_isStoppedd1.clear();
153 }
154 
155 void Hector::clear() {
156  for (std::map<unsigned int, H_BeamParticle *>::iterator it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
157  delete (*it).second;
158  };
159  m_beamPart.clear();
160  m_direct.clear();
161  m_eta.clear();
162  m_pdg.clear();
163  m_pz.clear();
164  m_isCharged.clear();
165 }
166 
167 void Hector::add(const HepMC::GenEvent *evt, const edm::EventSetup &iSetup) {
168  H_BeamParticle *h_p;
169  unsigned int line;
170 
171  for (HepMC::GenEvent::particle_const_iterator eventParticle = evt->particles_begin();
172  eventParticle != evt->particles_end();
173  ++eventParticle) {
174  if ((*eventParticle)->status() == 1) {
175  if (abs((*eventParticle)->momentum().eta()) > etacut) {
176  line = (*eventParticle)->barcode();
177  if (m_beamPart.find(line) == m_beamPart.end()) {
178  double charge = 1.;
179  m_isCharged[line] = false; // neutrals
180  HepMC::GenParticle *g = (*eventParticle);
181  pdt = iSetup.getHandle(tok_pdt_);
182  const ParticleData *part = pdt->particle(g->pdg_id());
183  if (part) {
184  charge = part->charge();
185  }
186  if (charge != 0)
187  m_isCharged[line] = true; // charged
188  double mass = (*eventParticle)->generatedMass();
189 
190  h_p = new H_BeamParticle(mass, charge);
191 
192  double px, py, pz;
193  px = (*eventParticle)->momentum().px();
194  py = (*eventParticle)->momentum().py();
195  pz = (*eventParticle)->momentum().pz();
196 
197  h_p->set4Momentum(px, py, pz, (*eventParticle)->momentum().e());
198 
199  // from mm to um
200  double XforPosition = (*eventParticle)->production_vertex()->position().x() / micrometer; // um
201  double YforPosition = (*eventParticle)->production_vertex()->position().y() / micrometer; // um
202  double ZforPosition = (*eventParticle)->production_vertex()->position().z() / meter; // m
203  // crossing angle (beam tilt) is not known a priory; keep now 0.0 but,
204  // in principle, can be entered as parameters
205  double TXforPosition = 0.0, TYforPosition = 0.0; // urad
206 
207  // Clears H_BeamParticle::positions and sets the initial one
208  h_p->setPosition(XforPosition, YforPosition, TXforPosition, TYforPosition, ZforPosition);
209 
210  m_beamPart[line] = h_p;
211  m_direct[line] = 0;
212  m_direct[line] = (pz > 0) ? 1 : -1;
213 
214  m_eta[line] = (*eventParticle)->momentum().eta();
215  m_pdg[line] = (*eventParticle)->pdg_id();
216  m_pz[line] = (*eventParticle)->momentum().pz();
217 
218  if (m_verbosity) {
219  edm::LogVerbatim("HectorEventProcessing")
220  << "Hector:add: barcode = " << line << " status = " << g->status() << " PDG Id = " << g->pdg_id()
221  << " mass = " << mass << " pz = " << pz << " charge = " << charge
222  << " m_isCharged[line] = " << m_isCharged[line];
223  }
224  } // if find line
225  } // if eta > 8.2
226  } // if status
227  } // for loop
228 }
229 
230 void Hector::filterFP420(TRandom3 *rootEngine) {
231  unsigned int line;
232  H_BeamParticle *part;
233  std::map<unsigned int, H_BeamParticle *>::iterator it;
234 
235  bool is_stop;
236  int direction;
237 
238  float x1_420;
239  float y1_420;
240 
241  if (!m_beamPart.empty() && lengthfp420 > 0.) {
242  for (it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
243  line = (*it).first;
244  part = (*it).second;
245 
246  if (m_verbosity) {
247  LogDebug("HectorEventProcessing") << "Hector:filterFP420: barcode = " << line;
248  }
249  if ((*m_isCharged.find(line)).second) {
250  direction = (*m_direct.find(line)).second;
251  if (m_smearAng) {
252  // the beam transverse direction is centered on (TXforPosition,
253  // TYforPosition) at IP
254  if (m_sigmaSTX > 0. && m_sigmaSTY > 0.) {
255  part->smearAng(m_sigmaSTX, m_sigmaSTY, rootEngine);
256  } else {
257  // for smearAng() in urad, default are (STX=30.23, STY=30.23)
258  part->smearAng(STX, STY, rootEngine);
259  }
260  }
261  if (m_smearE) {
262  if (m_sig_e) {
263  part->smearE(m_sig_e, rootEngine);
264  } else {
265  part->smearE(SBE, rootEngine); // in GeV, default is SBE=0.79
266  }
267  }
268  if (direction == 1 && m_beamlineFP4201 != nullptr) {
269  part->computePath(m_beamlineFP4201);
270  is_stop = part->stopped(m_beamlineFP4201);
271  if (m_verbosity)
272  LogDebug("HectorEventProcessing")
273  << "Hector:filterFP420: barcode = " << line << " positive is_stop= " << is_stop;
274  } else if (direction == -1 && m_beamlineFP4202 != nullptr) {
275  part->computePath(m_beamlineFP4202);
276  is_stop = part->stopped(m_beamlineFP4202);
277  if (m_verbosity)
278  LogDebug("HectorEventProcessing")
279  << "Hector:filterFP420: barcode = " << line << " negative is_stop= " << is_stop;
280  } else {
281  is_stop = true;
282  if (m_verbosity)
283  LogDebug("HectorEventProcessing")
284  << "Hector:filterFP420: barcode = " << line << " 0 is_stop= " << is_stop;
285  }
286 
287  // propagating
288  m_isStoppedfp420[line] = is_stop;
289  if (m_verbosity)
290  LogDebug("HectorEventProcessing")
291  << "Hector:filterFP420: barcode = " << line << " isStopped=" << (*m_isStoppedfp420.find(line)).second;
292 
293  if (!is_stop) {
294  if (direction == 1)
295  part->propagate(m_rpp420_f);
296  if (direction == -1)
297  part->propagate(m_rpp420_b);
298  x1_420 = part->getX();
299  y1_420 = part->getY();
300  if (m_verbosity)
301  LogDebug("HectorEventProcessing")
302  << "Hector:filterFP420: barcode = " << line << " x= " << x1_420 << " y= " << y1_420;
303 
304  m_xAtTrPoint[line] = x1_420;
305  m_yAtTrPoint[line] = y1_420;
306  m_TxAtTrPoint[line] = part->getTX();
307  m_TyAtTrPoint[line] = part->getTY();
308  m_eAtTrPoint[line] = part->getE();
309  }
310  } // if isCharged
311  else {
312  m_isStoppedfp420[line] = true; // imply that neutral particles stopped to reach 420m
313  if (m_verbosity)
314  LogDebug("HectorEventProcessing")
315  << "Hector:filterFP420: barcode = " << line << " isStopped=" << (*m_isStoppedfp420.find(line)).second;
316  }
317 
318  } // for (it = m_beamPart.begin(); it != m_beamPart.end(); it++ )
319  } // if ( m_beamPart.size() )
320 }
321 
322 void Hector::filterZDC(TRandom3 *rootEngine) {
323  unsigned int line;
324  H_BeamParticle *part;
325  std::map<unsigned int, H_BeamParticle *>::iterator it;
326 
327  bool is_stop_zdc = false;
328  int direction;
329 
330  if (!m_beamPart.empty() && lengthzdc > 0.) {
331  for (it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
332  line = (*it).first;
333  part = (*it).second;
334  if (m_verbosity) {
335  edm::LogVerbatim("HectorEventProcessing")
336  << "Hector:filterZDC: barcode = " << line << " charge = " << (*m_isCharged.find(line)).second;
337  if (m_FP420Transport)
338  LogDebug("HectorEventProcessing") << " isStoppedFP420 =" << (*m_isStoppedfp420.find(line)).second;
339  }
340  if (((*m_isCharged.find(line)).second)) {
341  if (m_verbosity)
342  LogDebug("HectorEventProcessing") << "Hector:filterZDC: barcode = " << line << " propagated ";
343 
344  direction = (*m_direct.find(line)).second;
345  if (m_verbosity)
346  LogDebug("HectorEventProcessing") << "Hector:filterZDC: barcode = " << line << " direction = " << direction;
347  if (m_smearAng) {
348  if (m_sigmaSTX > 0. && m_sigmaSTY > 0.) {
349  // the beam transverse direction is centered on (TXforPosition,
350  // TYforPosition) at IP
351  part->smearAng(m_sigmaSTX, m_sigmaSTY, rootEngine);
352  } else {
353  // for smearAng() in urad, default are (STX=30.23, STY=30.23)
354  part->smearAng(STX, STY, rootEngine);
355  }
356  }
357  if (m_smearE) {
358  if (m_sig_e) {
359  part->smearE(m_sig_e, rootEngine);
360  } else {
361  part->smearE(SBE, rootEngine); // in GeV, default is SBE=0.79
362  }
363  }
364  if (direction == 1 && m_beamlineZDC1 != nullptr) {
365  part->computePath(m_beamlineZDC1);
366  is_stop_zdc = part->stopped(m_beamlineZDC1);
367  m_isStoppedzdc[line] = is_stop_zdc;
368  if (m_verbosity)
369  LogDebug("HectorEventProcessing")
370  << "Hector:filterZDC: barcode " << line << " positive is_stop_zdc= " << is_stop_zdc;
371  } else if (direction == -1 && m_beamlineZDC2 != nullptr) {
372  part->computePath(m_beamlineZDC2);
373  is_stop_zdc = part->stopped(m_beamlineZDC2);
374  m_isStoppedzdc[line] = is_stop_zdc;
375  if (m_verbosity)
376  LogDebug("HectorEventProcessing")
377  << "Hector:filterZDC: barcode " << line << " negative is_stop_zdc= " << is_stop_zdc;
378  } else {
379  m_isStoppedzdc[line] = true;
380  if (m_verbosity)
381  LogDebug("HectorEventProcessing")
382  << "Hector:filterZDC: barcode " << line << " 0 is_stop_zdc= " << is_stop_zdc;
383  }
384  }
385  // if stopfp420 charged particles
386  /*
387  else if ( ((*m_isCharged.find(line)).second) ){
388  m_isStoppedzdc[line] = false;// not stopped in propagating to FP420 and
389  therefore in propagation to ZDC too. if(m_verbosity)
390  LogDebug("HectorEventProcessing") << "Hector:filterZDC: barcode = " <<
391  line << " isStopped=" << (*m_isStoppedzdc.find(line)).second;
392  } */
393  else {
394  m_isStoppedzdc[line] = true; // neutrals particles considered as stopped
395  // in propagating to ZDC
396  if (m_verbosity)
397  LogDebug("HectorEventProcessing")
398  << "Hector:filterZDC: barcode = " << line << " isStopped=" << (*m_isStoppedzdc.find(line)).second;
399  }
400 
401  } // for (it = m_beamPart.begin(); it != m_beamPart.end(); it++ )
402  } // if ( m_beamPart.size() )
403 }
404 
405 void Hector::filterD1(TRandom3 *rootEngine) {
406  unsigned int line;
407  H_BeamParticle *part;
408  std::map<unsigned int, H_BeamParticle *>::iterator it;
409 
410  bool is_stop_d1;
411  int direction;
412 
413  float x1_d1;
414  float y1_d1;
415 
416  if (!m_beamPart.empty() && lengthd1 > 0.) {
417  for (it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
418  line = (*it).first;
419  part = (*it).second;
420  if (m_verbosity)
421  edm::LogVerbatim("HectorEventProcessing")
422  << "Hector:filterD1: barcode = " << line << " isStoppedZDC =" << (*m_isStoppedzdc.find(line)).second;
423  if (((*m_isStoppedzdc.find(line)).second) || !((*m_isCharged.find(line)).second)) {
424  if (m_verbosity)
425  edm::LogVerbatim("HectorEventProcessing") << "Hector:filterD1: barcode = " << line << " propagated ";
426 
427  direction = (*m_direct.find(line)).second;
428  if (m_verbosity)
429  LogDebug("HectorEventProcessing") << "Hector:filterD1:direction=" << direction;
430  if (m_smearAng) {
431  if (m_sigmaSTX > 0. && m_sigmaSTY > 0.) {
432  // the beam transverse direction is centered on (TXforPosition,
433  // TYforPosition) at IP
434  part->smearAng(m_sigmaSTX, m_sigmaSTY, rootEngine);
435  } else {
436  // for smearAng() in urad, default are (STX=30.23, STY=30.23)
437  part->smearAng(STX, STY, rootEngine);
438  }
439  }
440  if (m_smearE) {
441  if (m_sig_e) {
442  part->smearE(m_sig_e, rootEngine);
443  } else {
444  part->smearE(SBE, rootEngine); // in GeV, default is SBE=0.79
445  }
446  }
447  if (direction == 1 && m_beamlineD11 != nullptr) {
448  part->computePath(m_beamlineD11);
449  is_stop_d1 = part->stopped(m_beamlineD11);
450  m_isStoppedd1[line] = is_stop_d1;
451  if (m_verbosity)
452  LogDebug("HectorEventProcessing")
453  << "Hector:filterD1 barcode " << line << " positive is_stop_d1 = " << is_stop_d1;
454  } else if (direction == -1 && m_beamlineD12 != nullptr) {
455  part->computePath(m_beamlineD12);
456  is_stop_d1 = part->stopped(m_beamlineD12);
457  m_isStoppedd1[line] = is_stop_d1;
458  if (m_verbosity)
459  LogDebug("HectorEventProcessing")
460  << "Hector:filterD1 barcode " << line << " negative is_stop_d1 = " << is_stop_d1;
461  } else {
462  is_stop_d1 = true;
463  m_isStoppedd1[line] = is_stop_d1;
464  if (m_verbosity)
465  LogDebug("HectorEventProcessing")
466  << "Hector:filterD1 barcode " << line << " 0 is_stop_d1 = " << is_stop_d1;
467  }
468  // propagating
469  if (!is_stop_d1) {
470  part->propagate(lengthd1);
471  x1_d1 = part->getX();
472  y1_d1 = part->getY();
473  m_xAtTrPoint[line] = x1_d1;
474  m_yAtTrPoint[line] = y1_d1;
475  m_TxAtTrPoint[line] = part->getTX();
476  m_TyAtTrPoint[line] = part->getTY();
477  m_eAtTrPoint[line] = part->getE();
478  }
479  } // if stopzdc
480  else {
481  m_isStoppedd1[line] = false; // not stopped in propagating to ZDC and
482  // therefore in propagation to D1 too.
483  if (m_verbosity)
484  LogDebug("HectorEventProcessing")
485  << "Hector:filterD1: barcode = " << line << " isStopped=" << (*m_isStoppedd1.find(line)).second;
486  }
487 
488  } // for (it = m_beamPart.begin(); it != m_beamPart.end(); it++ )
489  } // if ( m_beamPart.size() )
490 }
491 
492 int Hector::getDirect(unsigned int part_n) const {
493  std::map<unsigned int, int>::const_iterator it = m_direct.find(part_n);
494  if (it != m_direct.end()) {
495  return (*it).second;
496  }
497  return 0;
498 }
499 
500 void Hector::print() const {
501  for (std::map<unsigned int, H_BeamParticle *>::const_iterator it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
502  (*it).second->printProperties();
503  };
504 }
505 
506 HepMC::GenEvent *Hector::addPartToHepMC(HepMC::GenEvent *evt) {
507  theCorrespondenceMap.clear();
508 
509  unsigned int line;
510 
511  HepMC::GenParticle *gpart;
512  long double tx, ty, theta, fi, energy, time = 0;
513  std::map<unsigned int, H_BeamParticle *>::iterator it;
514 
515  for (it = m_beamPart.begin(); it != m_beamPart.end(); ++it) {
516  line = (*it).first;
517  if (!m_FP420Transport)
518  m_isStoppedfp420[line] = true;
519  if (!m_ZDCTransport) {
520  m_isStoppedzdc[line] = false;
521  m_isStoppedd1[line] = true;
522  }
523  if (m_verbosity) {
524  LogDebug("HectorEventProcessing") << "Hector:addPartToHepMC: barcode = " << line << "\n"
525  << "Hector:addPartToHepMC: isStoppedfp420="
526  << (*m_isStoppedfp420.find(line)).second << "\n"
527  << "Hector:addPartToHepMC: isStoppedzdc=" << (*m_isStoppedzdc.find(line)).second
528  << "\n"
529  << "Hector:addPartToHepMC: isStoppedd1=" << (*m_isStoppedd1.find(line)).second;
530  }
531  if (!((*m_isStoppedfp420.find(line)).second) ||
532  (!((*m_isStoppedd1.find(line)).second) && ((*m_isStoppedzdc.find(line)).second))) {
533  gpart = evt->barcode_to_particle(line);
534  if (gpart) {
535  tx = (*m_TxAtTrPoint.find(line)).second / 1000000.;
536  ty = (*m_TyAtTrPoint.find(line)).second / 1000000.;
537  theta = sqrt((tx * tx) + (ty * ty));
538  double ddd = 0.;
539  if (!((*m_isStoppedfp420.find(line)).second)) {
540  if ((*m_direct.find(line)).second > 0) {
541  ddd = m_rpp420_f;
542  } else if ((*m_direct.find(line)).second < 0) {
543  ddd = m_rpp420_b;
544  theta = TMath::Pi() - theta;
545  }
546  } else {
547  ddd = lengthd1;
548  if ((*m_direct.find(line)).second < 0)
549  theta = TMath::Pi() - theta;
550  }
551 
552  fi = std::atan2(tx, ty); // tx, ty never == 0?
553  energy = (*m_eAtTrPoint.find(line)).second;
554 
555  time = (ddd * meter - gpart->production_vertex()->position().z() * mm); // mm
556 
557  if (ddd != 0.) {
558  if (m_verbosity) {
559  LogDebug("HectorEventProcessing") << "Hector:: x= " << (*(m_xAtTrPoint.find(line))).second * 0.001 << "\n"
560  << "Hector:: y= " << (*(m_yAtTrPoint.find(line))).second * 0.001 << "\n"
561  << "Hector:: z= " << ddd * (*(m_direct.find(line))).second * 1000. << "\n"
562  << "Hector:: t= " << time;
563  }
564 
565  HepMC::GenVertex *vert = new HepMC::GenVertex(HepMC::FourVector((*(m_xAtTrPoint.find(line))).second * 0.001,
566  (*(m_yAtTrPoint.find(line))).second * 0.001,
567  ddd * (*(m_direct.find(line))).second * 1000.,
568  time + .001 * time));
569 
570  gpart->set_status(2);
571  vert->add_particle_in(gpart);
572  vert->add_particle_out(new HepMC::GenParticle(HepMC::FourVector(energy * std::sin(theta) * std::sin(fi),
573  energy * std::sin(theta) * std::cos(fi),
574  energy * std::cos(theta),
575  energy),
576  gpart->pdg_id(),
577  1,
578  gpart->flow()));
579  evt->add_vertex(vert);
580 
581  int ingoing = (*vert->particles_in_const_begin())->barcode();
582  int outgoing = (*vert->particles_out_const_begin())->barcode();
583  LHCTransportLink theLink(ingoing, outgoing);
584  if (m_verbosity)
585  LogDebug("HectorEventProcessing") << "Hector:addPartToHepMC: LHCTransportLink " << theLink;
586  theCorrespondenceMap.push_back(theLink);
587 
588  if (m_verbosity)
589  LogDebug("HectorEventProcessing") << "Hector::TRANSPORTED pz= " << gpart->momentum().pz()
590  << " eta= " << gpart->momentum().eta() << " status= " << gpart->status();
591 
592  } // ddd
593  } // if gpart
594  } // if !isStopped
595 
596  else {
597  gpart = evt->barcode_to_particle(line);
598  if (gpart) {
599  // HepMC::GenVertex * vert= new HepMC::GenVertex();
600  gpart->set_status(2);
601  // vert->add_particle_in( gpart );
602  // vert->add_particle_out( gpart );
603  // evt->add_vertex( vert );
604  if (m_verbosity)
605  LogDebug("HectorEventProcessing") << "Hector::NON-transp. pz= " << gpart->momentum().pz()
606  << " eta= " << gpart->momentum().eta() << " status= " << gpart->status();
607  }
608  }
609 
610  } // for
611 
612  return evt;
613 }
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Definition: CosmicMuonParameters.h:18
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