ATLAS Offline Software
JpsiPlusDsCascade.cxx
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1 /*
2  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
3 */
5 // JpsiPlusDsCascade.cxx, (c) ATLAS Detector software
7 #include "DerivationFrameworkBPhys/JpsiPlusDsCascade.h"
8 #include "TrkVertexFitterInterfaces/IVertexFitter.h"
9 #include "TrkVKalVrtFitter/TrkVKalVrtFitter.h"
10 #include "TrkVertexAnalysisUtils/V0Tools.h"
11 #include "DerivationFrameworkBPhys/CascadeTools.h"
12 #include "DerivationFrameworkBPhys/BPhysPVCascadeTools.h"
13 #include "xAODTracking/VertexAuxContainer.h"
14 #include "xAODBPhys/BPhysHypoHelper.h"
15 #include <algorithm>
16 #include "xAODTracking/VertexContainer.h"
17 #include "HepPDT/ParticleDataTable.hh"
18 
19 #include "TrkVKalVrtFitter/VxCascadeInfo.h"
20 #include "TruthUtils/HepMCHelpers.h"
21 
22 namespace DerivationFramework {
23  typedef ElementLink<xAOD::VertexContainer> VertexLink;
24  typedef std::vector<VertexLink> VertexLinkVector;
25  typedef std::vector<const xAOD::TrackParticle*> TrackBag;
26 
27  StatusCode JpsiPlusDsCascade::initialize() {
28 
29  // retrieving vertex Fitter
30  ATH_CHECK( m_iVertexFitter.retrieve());
31 
32  // retrieving the V0 tools
33  ATH_CHECK( m_V0Tools.retrieve());
34 
35  // retrieving the Cascade tools
36  ATH_CHECK( m_CascadeTools.retrieve());
37 
38  // Get the beam spot service
39  ATH_CHECK( m_eventInfo_key.initialize() );
40 
41  ATH_CHECK( m_partPropSvc.retrieve() );
42  auto pdt = m_partPropSvc->PDT();
43 
44  // retrieve particle masses
45  if(m_mass_jpsi < 0. ) m_mass_jpsi = BPhysPVCascadeTools::getParticleMass(pdt, MC::JPSI);
46  if(m_vtx0MassHypo < 0.)
47  m_vtx0MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::BCPLUS);
48  if(m_vtx1MassHypo < 0.) {
49  if(abs(m_Dx_pid) == 411) m_vtx1MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::DPLUS);
50  else m_vtx1MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::DSPLUS);
51  }
52 
53  if(m_vtx0Daug1MassHypo < 0.) m_vtx0Daug1MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::MUON);
54  if(m_vtx0Daug2MassHypo < 0.) m_vtx0Daug2MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::MUON);
55  if(m_vtx1Daug1MassHypo < 0.) {
56  if(abs(m_Dx_pid) == 411) m_vtx1Daug1MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::PIPLUS);
57  else m_vtx1Daug1MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::KPLUS);
58  }
59  if(m_vtx1Daug2MassHypo < 0.) m_vtx1Daug2MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::KPLUS);
60  if(m_vtx1Daug3MassHypo < 0.) m_vtx1Daug3MassHypo = BPhysPVCascadeTools::getParticleMass(pdt, MC::PIPLUS);
61 
62  return StatusCode::SUCCESS;
63  }
64 
65 
66  StatusCode JpsiPlusDsCascade::addBranches() const
67  {
68  std::vector<Trk::VxCascadeInfo*> cascadeinfoContainer;
69  constexpr int topoN = 2;
70  std::array<xAOD::VertexContainer*, topoN> Vtxwritehandles;
71  std::array<xAOD::VertexAuxContainer*, topoN> Vtxwritehandlesaux;
72  if(m_cascadeOutputsKeys.size() !=topoN) { ATH_MSG_FATAL("Incorrect number of VtxContainers"); return StatusCode::FAILURE; }
73 
74  for(int i =0; i<topoN;i++){
75  Vtxwritehandles[i] = new xAOD::VertexContainer();
76  Vtxwritehandlesaux[i] = new xAOD::VertexAuxContainer();
77  Vtxwritehandles[i]->setStore(Vtxwritehandlesaux[i]);
78  ATH_CHECK(evtStore()->record(Vtxwritehandles[i] , m_cascadeOutputsKeys[i] ));
79  ATH_CHECK(evtStore()->record(Vtxwritehandlesaux[i], m_cascadeOutputsKeys[i] + "Aux."));
80  }
81 
82  //----------------------------------------------------
83  // retrieve primary vertices
84  //----------------------------------------------------
85  const xAOD::Vertex * primaryVertex(nullptr);
86  const xAOD::VertexContainer *pvContainer(nullptr);
87  ATH_CHECK(evtStore()->retrieve(pvContainer, m_VxPrimaryCandidateName));
88  ATH_MSG_DEBUG("Found " << m_VxPrimaryCandidateName << " in StoreGate!");
89 
90  if (pvContainer->size()==0){
91  ATH_MSG_WARNING("You have no primary vertices: " << pvContainer->size());
92  return StatusCode::RECOVERABLE;
93  } else {
94  primaryVertex = (*pvContainer)[0];
95  }
96 
97  //----------------------------------------------------
98  // Try to retrieve refitted primary vertices
99  //----------------------------------------------------
100  xAOD::VertexContainer* refPvContainer = nullptr;
101  xAOD::VertexAuxContainer* refPvAuxContainer = nullptr;
102  if (m_refitPV) {
103  if (evtStore()->contains<xAOD::VertexContainer>(m_refPVContainerName)) {
104  // refitted PV container exists. Get it from the store gate
105  ATH_CHECK(evtStore()->retrieve(refPvContainer , m_refPVContainerName ));
106  ATH_CHECK(evtStore()->retrieve(refPvAuxContainer, m_refPVContainerName + "Aux."));
107  } else {
108  // refitted PV container does not exist. Create a new one.
109  refPvContainer = new xAOD::VertexContainer;
110  refPvAuxContainer = new xAOD::VertexAuxContainer;
111  refPvContainer->setStore(refPvAuxContainer);
112  ATH_CHECK(evtStore()->record(refPvContainer , m_refPVContainerName));
113  ATH_CHECK(evtStore()->record(refPvAuxContainer, m_refPVContainerName+"Aux."));
114  }
115  }
116 
117  ATH_CHECK(performSearch(&cascadeinfoContainer));
118 
119  SG::ReadHandle<xAOD::EventInfo> evt(m_eventInfo_key);
120  if(not evt.isValid()) ATH_MSG_ERROR("Cannot Retrieve " << m_eventInfo_key.key() );
121  BPhysPVCascadeTools helper(&(*m_CascadeTools), evt.cptr());
122  helper.SetMinNTracksInPV(m_PV_minNTracks);
123 
124  // Decorators for the main vertex: chi2, ndf, pt and pt error, plus the V0 vertex variables
125  SG::AuxElement::Decorator<VertexLinkVector> CascadeLinksDecor("CascadeVertexLinks");
126  SG::AuxElement::Decorator<VertexLinkVector> JpsiLinksDecor("JpsiVertexLinks");
127  SG::AuxElement::Decorator<VertexLinkVector> DxLinksDecor("DxVertexLinks");
128  SG::AuxElement::Decorator<float> chi2_decor("ChiSquared");
129  SG::AuxElement::Decorator<float> ndof_decor("NumberDoF");
130  SG::AuxElement::Decorator<float> Pt_decor("Pt");
131  SG::AuxElement::Decorator<float> PtErr_decor("PtErr");
132  SG::AuxElement::Decorator<float> Mass_svdecor("Dx_mass");
133  SG::AuxElement::Decorator<float> MassErr_svdecor("Dx_massErr");
134  SG::AuxElement::Decorator<float> Pt_svdecor("Dx_Pt");
135  SG::AuxElement::Decorator<float> PtErr_svdecor("Dx_PtErr");
136  SG::AuxElement::Decorator<float> Lxy_svdecor("Dx_Lxy");
137  SG::AuxElement::Decorator<float> LxyErr_svdecor("Dx_LxyErr");
138  SG::AuxElement::Decorator<float> Tau_svdecor("Dx_Tau");
139  SG::AuxElement::Decorator<float> TauErr_svdecor("Dx_TauErr");
140 
141  SG::AuxElement::Decorator<float> MassMumu_decor("Mumu_mass");
142  SG::AuxElement::Decorator<float> MassKX_svdecor("KX_mass");
143  SG::AuxElement::Decorator<float> MassKXpi_svdecor("KXpi_mass");
144 
145  ATH_MSG_DEBUG("cascadeinfoContainer size " << cascadeinfoContainer.size());
146 
147  // Get Jpsi container and identify the input Jpsi
148  const xAOD::VertexContainer *jpsiContainer(nullptr);
149  ATH_CHECK(evtStore()->retrieve(jpsiContainer , m_vertexContainerKey ));
150  const xAOD::VertexContainer *dxContainer(nullptr);
151  ATH_CHECK(evtStore()->retrieve(dxContainer , m_vertexDxContainerKey ));
152 
153  for (Trk::VxCascadeInfo* x : cascadeinfoContainer) {
154  if(x==nullptr) {
155  ATH_MSG_ERROR("cascadeinfoContainer is null");
156  //x is dereferenced if we pass this
157  return StatusCode::FAILURE;
158  }
159 
160  // the cascade fitter returns:
161  // std::vector<xAOD::Vertex*>, each xAOD::Vertex contains the refitted track parameters (perigee at the vertex position)
162  // vertices[iv] the links to the original TPs and a covariance of size 3+5*NTRK; the chi2 of the total fit
163  // is split between the cascade vertices as per track contribution
164  // std::vector< std::vector<TLorentzVector> >, each std::vector<TLorentzVector> contains the refitted momenta (TLorentzVector)
165  // momenta[iv][...] of all tracks in the corresponding vertex, including any pseudotracks (from cascade vertices)
166  // originating in this vertex; the masses are as assigned in the cascade fit
167  // std::vector<Amg::MatrixX>, the corresponding covariance matrices in momentum space
168  // covariance[iv]
169  // int nDoF, double Chi2
170  //
171  // the invariant mass, pt, lifetime etc. errors should be calculated using the covariance matrices in momentum space as these
172  // take into account the full track-track and track-vertex correlations
173  //
174  // in the case of Jpsi+V0: vertices[0] is the V0 vertex, vertices[1] is the B/Lambda_b(bar) vertex, containing the 2 Jpsi tracks.
175  // The covariance terms between the two vertices are not stored. In momentum space momenta[0] contains the 2 V0 tracks,
176  // their momenta add up to the momentum of the 3rd track in momenta[1], the first two being the Jpsi tracks
177 
178  const std::vector<xAOD::Vertex*> &cascadeVertices = x->vertices();
179  if(cascadeVertices.size()!=topoN)
180  ATH_MSG_ERROR("Incorrect number of vertices");
181  if(cascadeVertices[0] == nullptr || cascadeVertices[1] == nullptr) ATH_MSG_ERROR("Error null vertex");
182  // Keep vertices (bear in mind that they come in reverse order!)
183  for(int i =0;i<topoN;i++) Vtxwritehandles[i]->push_back(cascadeVertices[i]);
184 
185  x->setSVOwnership(false); // Prevent Container from deleting vertices
186  const auto mainVertex = cascadeVertices[1]; // this is the B_c+/- vertex
187  const std::vector< std::vector<TLorentzVector> > &moms = x->getParticleMoms();
188 
189  // Set links to cascade vertices
190  std::vector<const xAOD::Vertex*> verticestoLink;
191  verticestoLink.push_back(cascadeVertices[0]);
192  if(Vtxwritehandles[1] == nullptr) ATH_MSG_ERROR("Vtxwritehandles[1] is null");
193  if(!BPhysPVCascadeTools::LinkVertices(CascadeLinksDecor, verticestoLink, Vtxwritehandles[0], cascadeVertices[1]))
194  ATH_MSG_ERROR("Error decorating with cascade vertices");
195 
196  // Identify the input Jpsi
197  const xAOD::Vertex* jpsiVertex = BPhysPVCascadeTools::FindVertex<2>(jpsiContainer, cascadeVertices[1]);
198  ATH_MSG_DEBUG("1 pt Jpsi tracks " << cascadeVertices[1]->trackParticle(0)->pt() << ", " << cascadeVertices[1]->trackParticle(1)->pt());
199  if (jpsiVertex) ATH_MSG_DEBUG("2 pt Jpsi tracks " << jpsiVertex->trackParticle(0)->pt() << ", " << jpsiVertex->trackParticle(1)->pt());
200 
201  // Identify the input D_(s)+
202  const xAOD::Vertex* dxVertex = BPhysPVCascadeTools::FindVertex<3>(dxContainer, cascadeVertices[0]);;
203  ATH_MSG_DEBUG("1 pt D_(s)+ tracks " << cascadeVertices[0]->trackParticle(0)->pt() << ", " << cascadeVertices[0]->trackParticle(1)->pt() << ", " << cascadeVertices[0]->trackParticle(2)->pt());
204  if (dxVertex) ATH_MSG_DEBUG("2 pt D_(s)+ tracks " << dxVertex->trackParticle(0)->pt() << ", " << dxVertex->trackParticle(1)->pt() << ", " << dxVertex->trackParticle(2)->pt());
205 
206  // Set links to input vertices
207  std::vector<const xAOD::Vertex*> jpsiVerticestoLink;
208  if (jpsiVertex) jpsiVerticestoLink.push_back(jpsiVertex);
209  else ATH_MSG_WARNING("Could not find linking Jpsi");
210  if(!BPhysPVCascadeTools::LinkVertices(JpsiLinksDecor, jpsiVerticestoLink, jpsiContainer, cascadeVertices[1]))
211  ATH_MSG_ERROR("Error decorating with Jpsi vertices");
212 
213  std::vector<const xAOD::Vertex*> dxVerticestoLink;
214  if (dxVertex) dxVerticestoLink.push_back(dxVertex);
215  else ATH_MSG_WARNING("Could not find linking D_(s)+");
216  if(!BPhysPVCascadeTools::LinkVertices(DxLinksDecor, dxVerticestoLink, dxContainer, cascadeVertices[1]))
217  ATH_MSG_ERROR("Error decorating with D_(s)+ vertices");
218 
219  bool tagDp(true);
220  if (dxVertex) {
221  if(abs(m_Dx_pid)==411 && (dxVertex->trackParticle(2)->charge()==-1)) tagDp = false;
222  }
223 
224  double mass_b = m_vtx0MassHypo;
225  double mass_d = m_vtx1MassHypo;
226  std::vector<double> massesJpsi;
227  massesJpsi.push_back(m_vtx0Daug1MassHypo);
228  massesJpsi.push_back(m_vtx0Daug2MassHypo);
229  std::vector<double> massesDx;
230  if(tagDp){
231  massesDx.push_back(m_vtx1Daug1MassHypo);
232  massesDx.push_back(m_vtx1Daug2MassHypo);
233  }else{ // Change the order for D-
234  massesDx.push_back(m_vtx1Daug2MassHypo);
235  massesDx.push_back(m_vtx1Daug1MassHypo);
236  }
237  massesDx.push_back(m_vtx1Daug3MassHypo);
238  std::vector<double> Masses;
239  Masses.push_back(m_vtx0Daug1MassHypo);
240  Masses.push_back(m_vtx0Daug2MassHypo);
241  Masses.push_back(m_vtx1MassHypo);
242 
243  // loop over candidates -- Don't apply PV_minNTracks requirement here
244  // because it may result in exclusion of the high-pt PV.
245  // get good PVs
246 
247 
248  xAOD::BPhysHypoHelper vtx(m_hypoName, mainVertex);
249 
250  // Get refitted track momenta from all vertices, charged tracks only
251  BPhysPVCascadeTools::SetVectorInfo(vtx, x);
252 
253  // Decorate main vertex
254  //
255  // 1.a) mass, mass error
256  BPHYS_CHECK( vtx.setMass(m_CascadeTools->invariantMass(moms[1])) );
257  BPHYS_CHECK( vtx.setMassErr(m_CascadeTools->invariantMassError(moms[1],x->getCovariance()[1])) );
258  // 1.b) pt and pT error (the default pt of mainVertex is != the pt of the full cascade fit!)
259  Pt_decor(*mainVertex) = m_CascadeTools->pT(moms[1]);
260  PtErr_decor(*mainVertex) = m_CascadeTools->pTError(moms[1],x->getCovariance()[1]);
261  // 1.c) chi2 and ndof (the default chi2 of mainVertex is != the chi2 of the full cascade fit!)
262  chi2_decor(*mainVertex) = x->fitChi2();
263  ndof_decor(*mainVertex) = x->nDoF();
264 
265  float massMumu = 0.;
266  if (jpsiVertex) {
267  TLorentzVector p4_mu1, p4_mu2;
268  p4_mu1.SetPtEtaPhiM(jpsiVertex->trackParticle(0)->pt(),
269  jpsiVertex->trackParticle(0)->eta(),
270  jpsiVertex->trackParticle(0)->phi(), m_vtx0Daug1MassHypo);
271  p4_mu2.SetPtEtaPhiM(jpsiVertex->trackParticle(1)->pt(),
272  jpsiVertex->trackParticle(1)->eta(),
273  jpsiVertex->trackParticle(1)->phi(), m_vtx0Daug2MassHypo);
274  massMumu = (p4_mu1 + p4_mu2).M();
275  }
276  MassMumu_decor(*mainVertex) = massMumu;
277 
278  float massKX = 0., massKXpi = 0.;
279  if (dxVertex) {
280  TLorentzVector p4_h1, p4_h2, p4_h3;
281  if(tagDp){
282  p4_h1.SetPtEtaPhiM(dxVertex->trackParticle(0)->pt(),
283  dxVertex->trackParticle(0)->eta(),
284  dxVertex->trackParticle(0)->phi(), m_vtx1Daug1MassHypo);
285  p4_h2.SetPtEtaPhiM(dxVertex->trackParticle(1)->pt(),
286  dxVertex->trackParticle(1)->eta(),
287  dxVertex->trackParticle(1)->phi(), m_vtx1Daug2MassHypo);
288  }else{ // Change the order for D-
289  p4_h1.SetPtEtaPhiM(dxVertex->trackParticle(0)->pt(),
290  dxVertex->trackParticle(0)->eta(),
291  dxVertex->trackParticle(0)->phi(), m_vtx1Daug2MassHypo);
292  p4_h2.SetPtEtaPhiM(dxVertex->trackParticle(1)->pt(),
293  dxVertex->trackParticle(1)->eta(),
294  dxVertex->trackParticle(1)->phi(), m_vtx1Daug1MassHypo);
295  }
296  p4_h3.SetPtEtaPhiM(dxVertex->trackParticle(2)->pt(),
297  dxVertex->trackParticle(2)->eta(),
298  dxVertex->trackParticle(2)->phi(), m_vtx1Daug3MassHypo);
299  massKX = (p4_h1 + p4_h2).M();
300  massKXpi = (p4_h1 + p4_h2 + p4_h3).M();
301  }
302  MassKX_svdecor(*mainVertex) = massKX;
303  MassKXpi_svdecor(*mainVertex) = massKXpi;
304 
305  ATH_CHECK(helper.FillCandwithRefittedVertices(m_refitPV, pvContainer,
306  refPvContainer, &(*m_pvRefitter), m_PV_max, m_DoVertexType, x, 1, mass_b, vtx));
307 
308 
309  // 4) decorate the main vertex with V0 vertex mass, pt, lifetime and lxy values (plus errors)
310  // V0 points to the main vertex, so lifetime and lxy are w.r.t the main vertex
311  Mass_svdecor(*mainVertex) = m_CascadeTools->invariantMass(moms[0]);
312  MassErr_svdecor(*mainVertex) = m_CascadeTools->invariantMassError(moms[0],x->getCovariance()[0]);
313  Pt_svdecor(*mainVertex) = m_CascadeTools->pT(moms[0]);
314  PtErr_svdecor(*mainVertex) = m_CascadeTools->pTError(moms[0],x->getCovariance()[0]);
315  Lxy_svdecor(*mainVertex) = m_CascadeTools->lxy(moms[0],cascadeVertices[0],cascadeVertices[1]);
316  LxyErr_svdecor(*mainVertex) = m_CascadeTools->lxyError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1]);
317  Tau_svdecor(*mainVertex) = m_CascadeTools->tau(moms[0],cascadeVertices[0],cascadeVertices[1]);
318  TauErr_svdecor(*mainVertex) = m_CascadeTools->tauError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1]);
319 
320  // Some checks in DEBUG mode
321  ATH_MSG_DEBUG("chi2 " << x->fitChi2()
322  << " chi2_1 " << m_V0Tools->chisq(cascadeVertices[0])
323  << " chi2_2 " << m_V0Tools->chisq(cascadeVertices[1])
324  << " vprob " << m_CascadeTools->vertexProbability(x->nDoF(),x->fitChi2()));
325  ATH_MSG_DEBUG("ndf " << x->nDoF() << " ndf_1 " << m_V0Tools->ndof(cascadeVertices[0]) << " ndf_2 " << m_V0Tools->ndof(cascadeVertices[1]));
326  ATH_MSG_DEBUG("V0Tools mass_d " << m_V0Tools->invariantMass(cascadeVertices[0],massesDx)
327  << " error " << m_V0Tools->invariantMassError(cascadeVertices[0],massesDx)
328  << " mass_J " << m_V0Tools->invariantMass(cascadeVertices[1],massesJpsi)
329  << " error " << m_V0Tools->invariantMassError(cascadeVertices[1],massesJpsi));
330  // masses and errors, using track masses assigned in the fit
331  double Mass_B = m_CascadeTools->invariantMass(moms[1]);
332  double Mass_D = m_CascadeTools->invariantMass(moms[0]);
333  double Mass_B_err = m_CascadeTools->invariantMassError(moms[1],x->getCovariance()[1]);
334  double Mass_D_err = m_CascadeTools->invariantMassError(moms[0],x->getCovariance()[0]);
335  ATH_MSG_DEBUG("Mass_B " << Mass_B << " Mass_D " << Mass_D);
336  ATH_MSG_DEBUG("Mass_B_err " << Mass_B_err << " Mass_D_err " << Mass_D_err);
337  double mprob_B = m_CascadeTools->massProbability(mass_b,Mass_B,Mass_B_err);
338  double mprob_D = m_CascadeTools->massProbability(mass_d,Mass_D,Mass_D_err);
339  ATH_MSG_DEBUG("mprob_B " << mprob_B << " mprob_D " << mprob_D);
340  // masses and errors, assigning user defined track masses
341  ATH_MSG_DEBUG("Mass_b " << m_CascadeTools->invariantMass(moms[1],Masses)
342  << " Mass_d " << m_CascadeTools->invariantMass(moms[0],massesDx));
343  ATH_MSG_DEBUG("Mass_b_err " << m_CascadeTools->invariantMassError(moms[1],x->getCovariance()[1],Masses)
344  << " Mass_d_err " << m_CascadeTools->invariantMassError(moms[0],x->getCovariance()[0],massesDx));
345  ATH_MSG_DEBUG("pt_b " << m_CascadeTools->pT(moms[1])
346  << " pt_d " << m_CascadeTools->pT(moms[0])
347  << " pt_dp " << m_V0Tools->pT(cascadeVertices[0]));
348  ATH_MSG_DEBUG("ptErr_b " << m_CascadeTools->pTError(moms[1],x->getCovariance()[1])
349  << " ptErr_d " << m_CascadeTools->pTError(moms[0],x->getCovariance()[0])
350  << " ptErr_dp " << m_V0Tools->pTError(cascadeVertices[0]));
351  ATH_MSG_DEBUG("lxy_B " << m_V0Tools->lxy(cascadeVertices[1],primaryVertex) << " lxy_D " << m_V0Tools->lxy(cascadeVertices[0],cascadeVertices[1]));
352  ATH_MSG_DEBUG("lxy_b " << m_CascadeTools->lxy(moms[1],cascadeVertices[1],primaryVertex) << " lxy_d " << m_CascadeTools->lxy(moms[0],cascadeVertices[0],cascadeVertices[1]));
353  ATH_MSG_DEBUG("lxyErr_b " << m_CascadeTools->lxyError(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex)
354  << " lxyErr_d " << m_CascadeTools->lxyError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1])
355  << " lxyErr_dp " << m_V0Tools->lxyError(cascadeVertices[0],cascadeVertices[1]));
356  ATH_MSG_DEBUG("tau_B " << m_CascadeTools->tau(moms[1],cascadeVertices[1],primaryVertex,mass_b)
357  << " tau_dp " << m_V0Tools->tau(cascadeVertices[0],cascadeVertices[1],massesDx));
358  ATH_MSG_DEBUG("tau_b " << m_CascadeTools->tau(moms[1],cascadeVertices[1],primaryVertex)
359  << " tau_d " << m_CascadeTools->tau(moms[0],cascadeVertices[0],cascadeVertices[1])
360  << " tau_D " << m_CascadeTools->tau(moms[0],cascadeVertices[0],cascadeVertices[1],mass_d));
361  ATH_MSG_DEBUG("tauErr_b " << m_CascadeTools->tauError(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex)
362  << " tauErr_d " << m_CascadeTools->tauError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1])
363  << " tauErr_dp " << m_V0Tools->tauError(cascadeVertices[0],cascadeVertices[1],massesDx));
364  ATH_MSG_DEBUG("TauErr_b " << m_CascadeTools->tauError(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex,mass_b)
365  << " TauErr_d " << m_CascadeTools->tauError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1],mass_d)
366  << " TauErr_dp " << m_V0Tools->tauError(cascadeVertices[0],cascadeVertices[1],massesDx,mass_d));
367 
368  ATH_MSG_DEBUG("CascadeTools main vert wrt PV " << " CascadeTools SV " << " V0Tools SV");
369  ATH_MSG_DEBUG("a0z " << m_CascadeTools->a0z(moms[1],cascadeVertices[1],primaryVertex)
370  << ", " << m_CascadeTools->a0z(moms[0],cascadeVertices[0],cascadeVertices[1])
371  << ", " << m_V0Tools->a0z(cascadeVertices[0],cascadeVertices[1]));
372  ATH_MSG_DEBUG("a0zErr " << m_CascadeTools->a0zError(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex)
373  << ", " << m_CascadeTools->a0zError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1])
374  << ", " << m_V0Tools->a0zError(cascadeVertices[0],cascadeVertices[1]));
375  ATH_MSG_DEBUG("a0xy " << m_CascadeTools->a0xy(moms[1],cascadeVertices[1],primaryVertex)
376  << ", " << m_CascadeTools->a0xy(moms[0],cascadeVertices[0],cascadeVertices[1])
377  << ", " << m_V0Tools->a0xy(cascadeVertices[0],cascadeVertices[1]));
378  ATH_MSG_DEBUG("a0xyErr " << m_CascadeTools->a0xyError(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex)
379  << ", " << m_CascadeTools->a0xyError(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1])
380  << ", " << m_V0Tools->a0xyError(cascadeVertices[0],cascadeVertices[1]));
381  ATH_MSG_DEBUG("a0 " << m_CascadeTools->a0(moms[1],cascadeVertices[1],primaryVertex)
382  << ", " << m_CascadeTools->a0(moms[0],cascadeVertices[0],cascadeVertices[1])
383  << ", " << m_V0Tools->a0(cascadeVertices[0],cascadeVertices[1]));
384  ATH_MSG_DEBUG("a0Err " << m_CascadeTools->a0Error(moms[1],x->getCovariance()[1],cascadeVertices[1],primaryVertex)
385  << ", " << m_CascadeTools->a0Error(moms[0],x->getCovariance()[0],cascadeVertices[0],cascadeVertices[1])
386  << ", " << m_V0Tools->a0Error(cascadeVertices[0],cascadeVertices[1]));
387  ATH_MSG_DEBUG("x0 " << m_V0Tools->vtx(cascadeVertices[0]).x() << " y0 " << m_V0Tools->vtx(cascadeVertices[0]).y() << " z0 " << m_V0Tools->vtx(cascadeVertices[0]).z());
388  ATH_MSG_DEBUG("x1 " << m_V0Tools->vtx(cascadeVertices[1]).x() << " y1 " << m_V0Tools->vtx(cascadeVertices[1]).y() << " z1 " << m_V0Tools->vtx(cascadeVertices[1]).z());
389  ATH_MSG_DEBUG("X0 " << primaryVertex->x() << " Y0 " << primaryVertex->y() << " Z0 " << primaryVertex->z());
390  ATH_MSG_DEBUG("rxy0 " << m_V0Tools->rxy(cascadeVertices[0]) << " rxyErr0 " << m_V0Tools->rxyError(cascadeVertices[0]));
391  ATH_MSG_DEBUG("rxy1 " << m_V0Tools->rxy(cascadeVertices[1]) << " rxyErr1 " << m_V0Tools->rxyError(cascadeVertices[1]));
392  ATH_MSG_DEBUG("Rxy0 wrt PV " << m_V0Tools->rxy(cascadeVertices[0],primaryVertex) << " RxyErr0 wrt PV " << m_V0Tools->rxyError(cascadeVertices[0],primaryVertex));
393  ATH_MSG_DEBUG("Rxy1 wrt PV " << m_V0Tools->rxy(cascadeVertices[1],primaryVertex) << " RxyErr1 wrt PV " << m_V0Tools->rxyError(cascadeVertices[1],primaryVertex));
394  ATH_MSG_DEBUG("number of covariance matrices " << (x->getCovariance()).size());
395  } // loop over cascadeinfoContainer
396 
397  // Deleting cascadeinfo since this won't be stored.
398  // Vertices have been kept in m_cascadeOutputs and should be owned by their container
399  for (auto x : cascadeinfoContainer) delete x;
400 
401  return StatusCode::SUCCESS;
402  }
403 
404 
405  JpsiPlusDsCascade::JpsiPlusDsCascade(const std::string& t, const std::string& n, const IInterface* p) : AthAlgTool(t,n,p),
406  m_vertexContainerKey(""),
407  m_vertexDxContainerKey(""),
408  m_cascadeOutputsKeys{ "JpsiPlusDsCascadeVtx1", "JpsiPlusDsCascadeVtx2" },
409  m_VxPrimaryCandidateName("PrimaryVertices"),
410  m_jpsiMassLower(0.0),
411  m_jpsiMassUpper(10000.0),
412  m_DxMassLower(0.0),
413  m_DxMassUpper(10000.0),
414  m_MassLower(0.0),
415  m_MassUpper(20000.0),
416  m_vtx0MassHypo(-1),
417  m_vtx1MassHypo(-1),
418  m_vtx0Daug1MassHypo(-1),
419  m_vtx0Daug2MassHypo(-1),
420  m_vtx1Daug1MassHypo(-1),
421  m_vtx1Daug2MassHypo(-1),
422  m_vtx1Daug3MassHypo(-1),
423  m_mass_jpsi(-1),
424  m_Dx_pid(431),
425  m_constrDx(true),
426  m_constrJpsi(true),
427  m_chi2cut(-1.0),
428  m_iVertexFitter("Trk::TrkVKalVrtFitter"),
429  m_pvRefitter("Analysis::PrimaryVertexRefitter"),
430  m_V0Tools("Trk::V0Tools"),
431  m_CascadeTools("DerivationFramework::CascadeTools")
432  {
433  declareProperty("JpsiVertices", m_vertexContainerKey);
434  declareProperty("DxVertices", m_vertexDxContainerKey);
435  declareProperty("VxPrimaryCandidateName", m_VxPrimaryCandidateName);
436  declareProperty("RefPVContainerName", m_refPVContainerName = "RefittedPrimaryVertices");
437  declareProperty("JpsiMassLowerCut", m_jpsiMassLower);
438  declareProperty("JpsiMassUpperCut", m_jpsiMassUpper);
439  declareProperty("DxMassLowerCut", m_DxMassLower);
440  declareProperty("DxMassUpperCut", m_DxMassUpper);
441  declareProperty("MassLowerCut", m_MassLower);
442  declareProperty("MassUpperCut", m_MassUpper);
443  declareProperty("HypothesisName", m_hypoName = "Bc");
444  declareProperty("Vtx0MassHypo", m_vtx0MassHypo);
445  declareProperty("Vtx1MassHypo", m_vtx1MassHypo);
446  declareProperty("Vtx0Daug1MassHypo", m_vtx0Daug1MassHypo);
447  declareProperty("Vtx0Daug2MassHypo", m_vtx0Daug2MassHypo);
448  declareProperty("Vtx1Daug1MassHypo", m_vtx1Daug1MassHypo);
449  declareProperty("Vtx1Daug2MassHypo", m_vtx1Daug2MassHypo);
450  declareProperty("Vtx1Daug3MassHypo", m_vtx1Daug3MassHypo);
451  declareProperty("JpsiMass", m_mass_jpsi);
452  declareProperty("DxHypothesis", m_Dx_pid);
453  declareProperty("ApplyDxMassConstraint", m_constrDx);
454  declareProperty("ApplyJpsiMassConstraint", m_constrJpsi);
455  declareProperty("Chi2Cut", m_chi2cut);
456  declareProperty("RefitPV", m_refitPV = true);
457  declareProperty("MaxnPV", m_PV_max = 999);
458  declareProperty("MinNTracksInPV", m_PV_minNTracks = 0);
459  declareProperty("DoVertexType", m_DoVertexType = 7);
460  declareProperty("TrkVertexFitterTool", m_iVertexFitter);
461  declareProperty("PVRefitter", m_pvRefitter);
462  declareProperty("V0Tools", m_V0Tools);
463  declareProperty("CascadeTools", m_CascadeTools);
464  declareProperty("CascadeVertexCollections", m_cascadeOutputsKeys);
465  }
466 
467  JpsiPlusDsCascade::~JpsiPlusDsCascade(){ }
468 
469  StatusCode JpsiPlusDsCascade::performSearch(std::vector<Trk::VxCascadeInfo*> *cascadeinfoContainer) const
470  {
471  ATH_MSG_DEBUG( "JpsiPlusDsCascade::performSearch" );
472  assert(cascadeinfoContainer!=nullptr);
473 
474  // Get TrackParticle container (for setting links to the original tracks)
475  const xAOD::TrackParticleContainer *trackContainer(nullptr);
476  ATH_CHECK(evtStore()->retrieve(trackContainer , "InDetTrackParticles" ));
477 
478  // Get Jpsi container
479  const xAOD::VertexContainer *jpsiContainer(nullptr);
480  ATH_CHECK(evtStore()->retrieve(jpsiContainer , m_vertexContainerKey ));
481 
482  // Get V0 container
483  const xAOD::VertexContainer *dxContainer(nullptr);
484  ATH_CHECK(evtStore()->retrieve(dxContainer , m_vertexDxContainerKey ));
485 
486 
487 
488  double mass_d = m_vtx1MassHypo;
489  std::vector<const xAOD::TrackParticle*> tracksJpsi;
490  std::vector<const xAOD::TrackParticle*> tracksDx;
491  std::vector<const xAOD::TrackParticle*> tracksBc;
492  std::vector<double> massesJpsi;
493  massesJpsi.push_back(m_vtx0Daug1MassHypo);
494  massesJpsi.push_back(m_vtx0Daug2MassHypo);
495  std::vector<double> massesDx;
496  massesDx.push_back(m_vtx1Daug1MassHypo);
497  massesDx.push_back(m_vtx1Daug2MassHypo);
498  massesDx.push_back(m_vtx1Daug3MassHypo);
499  std::vector<double> massesDm; // Alter the order of masses for D-
500  massesDm.push_back(m_vtx1Daug2MassHypo);
501  massesDm.push_back(m_vtx1Daug1MassHypo);
502  massesDm.push_back(m_vtx1Daug3MassHypo);
503  std::vector<double> Masses;
504  Masses.push_back(m_vtx0Daug1MassHypo);
505  Masses.push_back(m_vtx0Daug2MassHypo);
506  Masses.push_back(m_vtx1MassHypo);
507 
508  // Select the J/psi candidates before calling cascade fit
509  std::vector<const xAOD::Vertex*> selectedJpsiCandidates;
510  for(auto vxcItr=jpsiContainer->cbegin(); vxcItr!=jpsiContainer->cend(); ++vxcItr) {
511 
512  // Check the passed flag first
513  const xAOD::Vertex* vtx = *vxcItr;
514  SG::AuxElement::Accessor<Char_t> flagAcc1("passed_Jpsi");
515  if(flagAcc1.isAvailable(*vtx)){
516  if(!flagAcc1(*vtx)) continue;
517  }
518 
519  // Check J/psi candidate invariant mass and skip if need be
520  double mass_Jpsi = m_V0Tools->invariantMass(*vxcItr, massesJpsi);
521  if (mass_Jpsi < m_jpsiMassLower || mass_Jpsi > m_jpsiMassUpper) {
522  ATH_MSG_DEBUG(" Original Jpsi candidate rejected by the mass cut: mass = "
523  << mass_Jpsi << " != (" << m_jpsiMassLower << ", " << m_jpsiMassUpper << ")" );
524  continue;
525  }
526  selectedJpsiCandidates.push_back(*vxcItr);
527  }
528  if(selectedJpsiCandidates.size()<1) return StatusCode::SUCCESS;
529 
530  // Select the D_s+/D+ candidates before calling cascade fit
531  std::vector<const xAOD::Vertex*> selectedDxCandidates;
532  for(auto vxcItr=dxContainer->cbegin(); vxcItr!=dxContainer->cend(); ++vxcItr) {
533 
534  // Check the passed flag first
535  const xAOD::Vertex* vtx = *vxcItr;
536  if(abs(m_Dx_pid)==431) { // D_s+/-
537  SG::AuxElement::Accessor<Char_t> flagAcc1("passed_Ds");
538  if(flagAcc1.isAvailable(*vtx)){
539  if(!flagAcc1(*vtx)) continue;
540  }
541  }
542 
543  if(abs(m_Dx_pid)==411) { // D+/-
544  SG::AuxElement::Accessor<Char_t> flagAcc1("passed_Dp");
545  SG::AuxElement::Accessor<Char_t> flagAcc2("passed_Dm");
546  bool isDp(true);
547  bool isDm(true);
548  if(flagAcc1.isAvailable(*vtx)){
549  if(!flagAcc1(*vtx)) isDp = false;
550  }
551  if(flagAcc2.isAvailable(*vtx)){
552  if(!flagAcc2(*vtx)) isDm = false;
553  }
554  if(!(isDp||isDm)) continue;
555  }
556 
557 
558  // Ensure the total charge is correct
559  if(abs((*vxcItr)->trackParticle(0)->charge()+(*vxcItr)->trackParticle(1)->charge()+(*vxcItr)->trackParticle(2)->charge()) != 1){
560  ATH_MSG_DEBUG(" Original D+ candidate rejected by the charge requirement: "
561  << (*vxcItr)->trackParticle(0)->charge() << ", " << (*vxcItr)->trackParticle(1)->charge() << ", " << (*vxcItr)->trackParticle(2)->charge() );
562  continue;
563  }
564 
565  // Check D_(s)+/- candidate invariant mass and skip if need be
566  double mass_D;
567  if(abs(m_Dx_pid)==411 && (*vxcItr)->trackParticle(2)->charge()<0) // D-
568  mass_D = m_V0Tools->invariantMass(*vxcItr,massesDm);
569  else // D+, D_s+/-
570  mass_D = m_V0Tools->invariantMass(*vxcItr,massesDx);
571  ATH_MSG_DEBUG("D_(s) mass " << mass_D);
572  if(mass_D < m_DxMassLower || mass_D > m_DxMassUpper) {
573  ATH_MSG_DEBUG(" Original D_(s) candidate rejected by the mass cut: mass = "
574  << mass_D << " != (" << m_DxMassLower << ", " << m_DxMassUpper << ")" );
575  continue;
576  }
577 
578  // Add loose cut on K+k- mass for D_s->phi pi
579  if(m_Dx_pid==431){
580  TLorentzVector p4Kp_in, p4Km_in;
581  p4Kp_in.SetPtEtaPhiM( (*vxcItr)->trackParticle(0)->pt(),
582  (*vxcItr)->trackParticle(0)->eta(),
583  (*vxcItr)->trackParticle(0)->phi(), m_vtx1Daug1MassHypo);
584  p4Km_in.SetPtEtaPhiM( (*vxcItr)->trackParticle(1)->pt(),
585  (*vxcItr)->trackParticle(1)->eta(),
586  (*vxcItr)->trackParticle(1)->phi(), m_vtx1Daug2MassHypo);
587  double mass_phi = (p4Kp_in + p4Km_in).M();
588  ATH_MSG_DEBUG("phi mass " << mass_phi);
589  if(mass_phi > 1200) {
590  ATH_MSG_DEBUG(" Original phi candidate rejected by the mass cut: mass = " << mass_phi );
591  continue;
592  }
593  }
594  selectedDxCandidates.push_back(*vxcItr);
595  }
596  if(selectedDxCandidates.size()<1) return StatusCode::SUCCESS;
597 
598  // Select J/psi D_(s)+ candidates
599  // Iterate over Jpsi vertices
600  for(auto jpsiItr=selectedJpsiCandidates.cbegin(); jpsiItr!=selectedJpsiCandidates.cend(); ++jpsiItr) {
601 
602  size_t jpsiTrkNum = (*jpsiItr)->nTrackParticles();
603  tracksJpsi.clear();
604  for( unsigned int it=0; it<jpsiTrkNum; it++) tracksJpsi.push_back((*jpsiItr)->trackParticle(it));
605 
606  if (tracksJpsi.size() != 2 || massesJpsi.size() != 2 ) {
607  ATH_MSG_INFO("problems with Jpsi input");
608  }
609 
610  // Iterate over D_(s)+/- vertices
611  for(auto dxItr=selectedDxCandidates.cbegin(); dxItr!=selectedDxCandidates.cend(); ++dxItr) {
612 
613  // Check identical tracks in input
614  if(std::find(tracksJpsi.cbegin(), tracksJpsi.cend(), (*dxItr)->trackParticle(0)) != tracksJpsi.cend()) continue;
615  if(std::find(tracksJpsi.cbegin(), tracksJpsi.cend(), (*dxItr)->trackParticle(1)) != tracksJpsi.cend()) continue;
616  if(std::find(tracksJpsi.cbegin(), tracksJpsi.cend(), (*dxItr)->trackParticle(2)) != tracksJpsi.cend()) continue;
617 
618  size_t dxTrkNum = (*dxItr)->nTrackParticles();
619  tracksDx.clear();
620  for( unsigned int it=0; it<dxTrkNum; it++) tracksDx.push_back((*dxItr)->trackParticle(it));
621  if (tracksDx.size() != 3 || massesDx.size() != 3 ) {
622  ATH_MSG_INFO("problems with D_(s) input");
623  }
624 
625  ATH_MSG_DEBUG("using tracks" << tracksJpsi[0] << ", " << tracksJpsi[1] << ", " << tracksDx[0] << ", " << tracksDx[1] << ", " << tracksDx[2]);
626  tracksBc.clear();
627  for( unsigned int it=0; it<jpsiTrkNum; it++) tracksBc.push_back((*jpsiItr)->trackParticle(it));
628  for( unsigned int it=0; it<dxTrkNum; it++) tracksBc.push_back((*dxItr)->trackParticle(it));
629 
630  // Apply the user's settings to the fitter
631  // Reset
632  std::unique_ptr<Trk::IVKalState> state (m_iVertexFitter->makeState());
633  // Robustness
634  int robustness = 0;
635  m_iVertexFitter->setRobustness(robustness, *state);
636  // Build up the topology
637  // Vertex list
638  std::vector<Trk::VertexID> vrtList;
639  // D_(s)+/- vertex
640  Trk::VertexID vID;
641  if (m_constrDx) {
642  if(abs(m_Dx_pid)==411 && (*dxItr)->trackParticle(2)->charge()<0) // D-
643  vID = m_iVertexFitter->startVertex(tracksDx,massesDm,*state,mass_d);
644  else // D+, D_s+/-
645  vID = m_iVertexFitter->startVertex(tracksDx,massesDx,*state,mass_d);
646  } else {
647  if(abs(m_Dx_pid)==411 && (*dxItr)->trackParticle(2)->charge()<0) // D-
648  vID = m_iVertexFitter->startVertex(tracksDx,massesDm,*state);
649  else // D+, D_s+/-
650  vID = m_iVertexFitter->startVertex(tracksDx,massesDx,*state);
651  }
652  vrtList.push_back(vID);
653  // B vertex including Jpsi
654  Trk::VertexID vID2 = m_iVertexFitter->nextVertex(tracksJpsi,massesJpsi,vrtList,*state);
655  if (m_constrJpsi) {
656  std::vector<Trk::VertexID> cnstV;
657  cnstV.clear();
658  if ( !m_iVertexFitter->addMassConstraint(vID2,tracksJpsi,cnstV,*state,m_mass_jpsi).isSuccess() ) {
659  ATH_MSG_WARNING("addMassConstraint failed");
660  //return StatusCode::FAILURE;
661  }
662  }
663  // Do the work
664  std::unique_ptr<Trk::VxCascadeInfo> result(m_iVertexFitter->fitCascade(*state));
665 
666  if (result != nullptr) {
667  // reset links to original tracks
668  BPhysPVCascadeTools::PrepareVertexLinks(result.get(), trackContainer);
669  ATH_MSG_DEBUG("storing tracks " << ((result->vertices())[0])->trackParticle(0) << ", "
670  << ((result->vertices())[0])->trackParticle(1) << ", "
671  << ((result->vertices())[0])->trackParticle(2) << ", "
672  << ((result->vertices())[1])->trackParticle(0) << ", "
673  << ((result->vertices())[1])->trackParticle(1));
674  // necessary to prevent memory leak
675  result->setSVOwnership(true);
676 
677  // Chi2/DOF cut
678  double bChi2DOF = result->fitChi2()/result->nDoF();
679  ATH_MSG_DEBUG("Candidate chi2/DOF is " << bChi2DOF);
680  bool chi2CutPassed = (m_chi2cut <= 0.0 || bChi2DOF < m_chi2cut);
681 
682  const std::vector< std::vector<TLorentzVector> > &moms = result->getParticleMoms();
683  double mass = m_CascadeTools->invariantMass(moms[1]);
684  if(chi2CutPassed) {
685  if (mass >= m_MassLower && mass <= m_MassUpper) {
686  cascadeinfoContainer->push_back(result.release());
687  } else {
688  ATH_MSG_DEBUG("Candidate rejected by the mass cut: mass = "
689  << mass << " != (" << m_MassLower << ", " << m_MassUpper << ")" );
690  }
691  }
692  }
693 
694  } //Iterate over D_(s)+ vertices
695 
696  } //Iterate over Jpsi vertices
697 
698  ATH_MSG_DEBUG("cascadeinfoContainer size " << cascadeinfoContainer->size());
699 
700  return StatusCode::SUCCESS;
701  }
702 
703 }
704 
705 
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SG::VarHandleKey::key
const std::string & key() const
Return the StoreGate ID for the referenced object.
Definition: AthToolSupport/AsgDataHandles/Root/VarHandleKey.cxx:141
DerivationFramework::JpsiPlusDsCascade::m_vertexContainerKey
std::string m_vertexContainerKey
Definition: JpsiPlusDsCascade.h:47
xAOD::VertexContainer
VertexContainer_v1 VertexContainer
Definition of the current "Vertex container version".
Definition: VertexContainer.h:14
x
#define x
DerivationFramework::JpsiPlusDsCascade::m_pvRefitter
ToolHandle< Analysis::PrimaryVertexRefitter > m_pvRefitter
Definition: JpsiPlusDsCascade.h:75
TrkVKalVrtFitter.h
runBeamSpotCalibration.helper
helper
Definition: runBeamSpotCalibration.py:112
DerivationFramework::JpsiPlusDsCascade::m_MassUpper
double m_MassUpper
Definition: JpsiPlusDsCascade.h:58
AthCommonDataStore< AthCommonMsg< AlgTool > >::evtStore
ServiceHandle< StoreGateSvc > & evtStore()
The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.
Definition: AthCommonDataStore.h:85
xAOD::BPhysHypoHelper
Definition: BPhysHypoHelper.h:73
DerivationFramework::BPhysPVCascadeTools::SetVectorInfo
static void SetVectorInfo(xAOD::BPhysHelper &, const Trk::VxCascadeInfo *)
Definition: BPhysPVCascadeTools.cxx:424
BPHYS_CHECK
#define BPHYS_CHECK(EXP)
Useful CHECK macro.
Definition: BPhysHelper.h:738
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int m_Dx_pid
Definition: JpsiPlusDsCascade.h:68
python.utils.AtlRunQueryDQUtils.p
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Definition: AtlRunQueryDQUtils.py:210
ATH_MSG_ERROR
#define ATH_MSG_ERROR(x)
Definition: AthMsgStreamMacros.h:33
SG::Decorator
Helper class to provide type-safe access to aux data.
Definition: Decorator.h:59
xAOD::VertexAuxContainer
VertexAuxContainer_v1 VertexAuxContainer
Definition of the current jet auxiliary container.
Definition: VertexAuxContainer.h:19
lumiFormat.i
int i
Definition: lumiFormat.py:85
beamspotman.n
n
Definition: beamspotman.py:731
EL::StatusCode
::StatusCode StatusCode
StatusCode definition for legacy code.
Definition: PhysicsAnalysis/D3PDTools/EventLoop/EventLoop/StatusCode.h:22
ATH_MSG_DEBUG
#define ATH_MSG_DEBUG(x)
Definition: AthMsgStreamMacros.h:29
BPhysHypoHelper.h
: B-physics xAOD helpers.
DerivationFramework::JpsiPlusDsCascade::m_VxPrimaryCandidateName
std::string m_VxPrimaryCandidateName
Name of primary vertex container.
Definition: JpsiPlusDsCascade.h:51
DerivationFramework::JpsiPlusDsCascade::m_iVertexFitter
ToolHandle< Trk::TrkVKalVrtFitter > m_iVertexFitter
Definition: JpsiPlusDsCascade.h:74
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std::string m_vertexDxContainerKey
Definition: JpsiPlusDsCascade.h:48
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ServiceHandle< IPartPropSvc > m_partPropSvc
Definition: JpsiPlusDsCascade.h:78
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static void PrepareVertexLinks(Trk::VxCascadeInfo *result, const xAOD::TrackParticleContainer *importedTrackCollection)
Definition: BPhysPVCascadeTools.cxx:204
ATH_CHECK
#define ATH_CHECK
Definition: AthCheckMacros.h:40
xAOD::Vertex_v1::trackParticle
const TrackParticle * trackParticle(size_t i) const
Get the pointer to a given track that was used in vertex reco.
Definition: Vertex_v1.cxx:249
DerivationFramework::TrackBag
std::vector< const xAOD::TrackParticle * > TrackBag
Definition: BPhysAddMuonBasedInvMass.h:32
xAOD::Vertex_v1::z
float z() const
Returns the z position.
DerivationFramework
THE reconstruction tool.
Definition: ParticleSortingAlg.h:24
SG::VarHandleKey::initialize
StatusCode initialize(bool used=true)
If this object is used as a property, then this should be called during the initialize phase.
Definition: AthToolSupport/AsgDataHandles/Root/VarHandleKey.cxx:103
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ElementLink< xAOD::VertexContainer > VertexLink
Definition: Cascade3Plus1.cxx:23
DataVector
Derived DataVector<T>.
Definition: DataVector.h:794
BPhysPVCascadeTools.h
JpsiPlusDsCascade.h
DerivationFramework::JpsiPlusDsCascade::~JpsiPlusDsCascade
~JpsiPlusDsCascade()
Definition: JpsiPlusDsCascade.cxx:467
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Definition: BPhysPVCascadeTools.h:34
DerivationFramework::JpsiPlusDsCascade::m_refPVContainerName
std::string m_refPVContainerName
Definition: JpsiPlusDsCascade.h:81
DerivationFramework::JpsiPlusDsCascade::m_vtx0Daug2MassHypo
double m_vtx0Daug2MassHypo
Definition: JpsiPlusDsCascade.h:62
DerivationFramework::JpsiPlusDsCascade::m_vtx1Daug2MassHypo
double m_vtx1Daug2MassHypo
Definition: JpsiPlusDsCascade.h:64
CascadeTools.h
DerivationFramework::JpsiPlusDsCascade::m_refitPV
bool m_refitPV
Definition: JpsiPlusDsCascade.h:80
IVertexFitter.h
VxCascadeInfo.h
DerivationFramework::JpsiPlusDsCascade::m_DoVertexType
int m_DoVertexType
Definition: JpsiPlusDsCascade.h:86
mc.mass_b
mass_b
Definition: mc.PhPy8EG_A14NNPDF23_gg4l_example.py:21
DerivationFramework::VertexLinkVector
std::vector< VertexLink > VertexLinkVector
Definition: Cascade3Plus1.cxx:24
VertexContainer.h
xAOD::Vertex_v1
Class describing a Vertex.
Definition: Vertex_v1.h:42
ATH_MSG_WARNING
#define ATH_MSG_WARNING(x)
Definition: AthMsgStreamMacros.h:32
DerivationFramework::JpsiPlusDsCascade::m_mass_jpsi
double m_mass_jpsi
Definition: JpsiPlusDsCascade.h:67
DerivationFramework::JpsiPlusDsCascade::m_cascadeOutputsKeys
std::vector< std::string > m_cascadeOutputsKeys
Definition: JpsiPlusDsCascade.h:49
xAOD::Vertex_v1::y
float y() const
Returns the y position.
DerivationFramework::JpsiPlusDsCascade::m_vtx1Daug1MassHypo
double m_vtx1Daug1MassHypo
Definition: JpsiPlusDsCascade.h:63
SG::ConstAccessor< T, AuxAllocator_t< T > >::isAvailable
bool isAvailable(const ELT &e) const
Test to see if this variable exists in the store.
DataVector::cbegin
const_iterator cbegin() const noexcept
Return a const_iterator pointing at the beginning of the collection.
DerivationFramework::JpsiPlusDsCascade::m_jpsiMassUpper
double m_jpsiMassUpper
Definition: JpsiPlusDsCascade.h:54
AthAlgTool
Definition: AthAlgTool.h:26
DerivationFramework::JpsiPlusDsCascade::m_vtx0MassHypo
double m_vtx0MassHypo
Definition: JpsiPlusDsCascade.h:59
DerivationFramework::JpsiPlusDsCascade::m_eventInfo_key
SG::ReadHandleKey< xAOD::EventInfo > m_eventInfo_key
Definition: JpsiPlusDsCascade.h:73
DataVector::size
size_type size() const noexcept
Returns the number of elements in the collection.
DerivationFramework::JpsiPlusDsCascade::JpsiPlusDsCascade
JpsiPlusDsCascade(const std::string &t, const std::string &n, const IInterface *p)
Definition: JpsiPlusDsCascade.cxx:405
HepMCHelpers.h
xAOD::BPhysHypoHelper::setMassErr
bool setMassErr(const float val)
invariant mass error
Definition: BPhysHypoHelper.cxx:57
VertexAuxContainer.h
xAOD::TrackParticle_v1::phi
virtual double phi() const override final
The azimuthal angle ( ) of the particle (has range to .)
DerivationFramework::JpsiPlusDsCascade::m_DxMassLower
double m_DxMassLower
Definition: JpsiPlusDsCascade.h:55
DerivationFramework::JpsiPlusDsCascade::m_hypoName
std::string m_hypoName
name of the mass hypothesis.
Definition: JpsiPlusDsCascade.h:82
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